February 2012 the globe's 22nd warmest; record Hawaii hailstone confirmed

By: Dr. Jeff Masters , 2:09 PM GMT on March 28, 2012

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February 2012 was the globe's 22nd warmest February on record, according to the National Oceanic and Atmospheric Administration's National Climatic Data Center (NCDC). Global temperatures were the 15th warmest on record according to NASA. It was the coolest February since 1994, and the coolest month, relative to average, since January 2008. The relatively cool temperatures were due, in part, to the on-going La Niña event in the Eastern Pacific, which has brought a large amount of cool water to the surface. February 2012 global land temperatures were the 37th warmest on record, and ocean temperatures were the 12th warmest on record. Global satellite-measured temperatures for the lowest 8 km of the atmosphere were colder than average, the 7th or 13th coldest in the 34-year record, according to Remote Sensing Systems and the University of Alabama Huntsville (UAH). February temperatures in the stratosphere were the coldest on record. We expect cold temperatures there due to the greenhouse effect and to destruction of ozone due to CFC pollution. Snow cover during February varied dramatically depending on which hemisphere you were in. Eurasia had its third largest snow cover extent in the 46-year period of record, while North America had its fourth lowest. As seen in Figure 1, much of North America and Siberia were much warmer than average, while Europe was considerably colder than average. Wunderground's weather historian, Christopher C. Burt, has a comprehensive post on the notable weather events of February in his February 2012 Global Weather Extremes Summary.


Figure 1. Departure of temperature from average for February 2012. Image credit: National Climatic Data Center (NCDC) .

La Niña weakens, almost gone
A borderline weak La Niña event continues in the equatorial Pacific, where sea surface temperatures were approximately 0.5°C below average during February and the the first half of March. NOAA's Climate Prediction Center forecasts that La Niña will be gone by the end of April. The majority of the El Niño computer models predict neutral conditions for this fall, during the August - September - October peak of hurricane season, though 32% of the models predict an El Niño will develop. El Niño conditions tend to decrease Atlantic hurricane activity, by increasing wind shear over the tropical Atlantic.

February Arctic sea ice extent fifth lowest on record
Arctic sea ice extent was at its fifth lowest extent on record in February, according to the National Snow and Ice Data Center. Continuing the pattern established in January, conditions differed greatly between the Atlantic and Pacific sides of the Arctic. On the Atlantic side, especially in the Barents Sea, air temperatures were higher than average and ice extent was unusually low. February ice extent for the Barents Sea was the lowest in the satellite record, due to air temperatures that ranged from 4 - 8°C (7 - 14°F) above average at the 925 mb level (about 3000 feet above sea level). In contrast, on the Pacific side, February ice extent in the Bering Sea was the second highest in the satellite record, paired with air temperatures that were 3 to 5 degrees Celsius (5 to 9 degrees Fahrenheit) below average at the 925 mb level. Satellite sea ice records date back to 1979.


Figure 2. Record-setting hailstone from the Hawaii 'supercell' thunderstorm that hit the Hawaiian island of Oahu on March 9, 2012. Image credit: NOAA/National Weather Service.

Huge hailstone sets Hawaii record
A hailstone with the diameter of roughly that of a grapefruit that hit Oahu on March 9, 2012, has been confirmed as the largest hailstone on record for the state of Hawaii, according to NOAA. The record-setting hailstone was dropped by a “supercell” thunderstorm on the windward side of Oahu. There were numerous reports of hail with diameters of 2 to 3 inches and greater. Hail the size of a penny (diameter of 3/4 inch) or quarter (diameter of one inch) has been reported in Hawaii only eight times since records began, and there is no record of hail larger than 1 inch in diameter. Hail the size of golf balls and baseballs can only form within intense thunderstorms called supercells. These supercells need warm, moist air to rise into progressively colder, drier air, as well as winds changing direction and increasing speed with increasing height off the ground. For both sets of conditions to exist at the same time in Hawaii is extremely rare, but that did occur on March 9. Conditions that day were ideal for a supercell to form, and the storm looked very much like supercell thunderstorms common in the Central U.S. during spring. Supercells can also produce tornadoes, another rarity in Hawaii. The same hail-producing supercell produced a confirmed EF-0 tornado with winds of 60-70 mph in Lanikai and Enchanted Lakes on Oahu.

Jeff Masters

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Even a Special Marine warning has been issued.

SPECIAL MARINE WARNING
AMZ725-300400-
/O.NEW.TJSJ.MA.W.0004.120330T0234Z-120330T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1034 PM AST THU MAR 29 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
COASTAL WATERS OF SOUTHERN USVI...VIEQUES AND EASTERN PUERTO RICO
OUT 10 NM...

* UNTIL MIDNIGHT AST

* AT 1024 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF THUNDERSTORMS...PRODUCING STRONG WINDS 34 KNOTS OR
GREATER OVER WATERS BETWEEN NAGUABO COAST AND THE ISLAND OF VIEQUES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MARINERS CAN EXPECT GUSTY WINDS...HIGH WAVES...DANGEROUS LIGHTNING...
AND HEAVY RAINS. BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY...UNTIL
THIS STORM PASSES.

&&

LAT...LON 1812 6578 1826 6563 1828 6533 1796 6547
TIME...MOT...LOC 0231Z 088DEG 6KT 1818 6561

$$

EM
Member Since: April 29, 2009 Posts: 75 Comments: 14071
Electricity and Carbon Dioxide Used to Generate Alternative Fuel

Producing fuel from CO2 and sunlight. (Credit: Image courtesy of University of California - Los Angeles)

ScienceDaily (Mar. 29, 2012) %u2014 Imagine being able to use electricity to power your car -- even if it's not an electric vehicle. Researchers at the UCLA Henry Samueli School of Engineering and Applied Science have for the first time demonstrated a method for converting carbon dioxide into liquid fuel isobutanol using electricity.
Today, electrical energy generated by various methods is still difficult to store efficiently. Chemical batteries, hydraulic pumping and water splitting suffer from low energy-density storage or incompatibility with current transportation infrastructure.
In a study published March 30 in the journal Science, James Liao, UCLA's Ralph M. Parsons Foundation Chair in Chemical Engineering, and his team report a method for storing electrical energy as chemical energy in higher alcohols, which can be used as liquid transportation fuels.
"The current way to store electricity is with lithium ion batteries, in which the density is low, but when you store it in liquid fuel, the density could actually be very high," Liao said. "In addition, we have the potential to use electricity as transportation fuel without needing to change current infrastructure."
Liao and his team genetically engineered a lithoautotrophic microorganism known as Ralstonia eutropha H16 to produce isobutanol and 3-methyl-1-butanol in an electro-bioreactor using carbon dioxide as the sole carbon source and electricity as the sole energy input.
Photosynthesis is the process of converting light energy to chemical energy and storing it in the bonds of sugar. There are two parts to photosynthesis -- a light reaction and a dark reaction. The light reaction converts light energy to chemical energy and must take place in the light. The dark reaction, which converts CO2 to sugar, doesn't directly need light to occur.
"We've been able to separate the light reaction from the dark reaction and instead of using biological photosynthesis, we are using solar panels to convert the sunlight to electrical energy, then to a chemical intermediate, and using that to power carbon dioxide fixation to produce the fuel," Liao said. "This method could be more efficient than the biological system."
Liao explained that with biological systems, the plants used require large areas of agricultural land. However, because Liao's method does not require the light and dark reactions to take place together, solar panels, for example, can be built in the desert or on rooftops.
Theoretically, the hydrogen generated by solar electricity can drive CO2 conversion in lithoautotrophic microorganisms engineered to synthesize high-energy density liquid fuels. But the low solubility, low mass-transfer rate and the safety issues surrounding hydrogen limit the efficiency and scalability of such processes. Instead Liao's team found formic acid to be a favorable substitute and efficient energy carrier.

"Instead of using hydrogen, we use formic acid as the intermediary," Liao said. "We use electricity to generate formic acid and then use the formic acid to power the CO2 fixation in bacteria in the dark to produce isobutanol and higher alcohols."
The electrochemical formate production and the biological CO2 fixation and higher alcohol synthesis now open up the possibility of electricity-driven bioconversion of CO2 to a variety of chemicals. In addition, the transformation of formate into liquid fuel will also play an important role in the biomass refinery process, according to Liao.
"We've demonstrated the principle, and now we think we can scale up," he said. "That's our next step."
The study was funded by a grant from the U.S. Department of Energy's Advanced Research Projects Agency-Energy (ARPA-E).
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Quoting Jedkins01:


I was thinking that myself actually, its getting dark and that storm is dropping copious amounts of rain so seeing a tornado there would be hard. I've also observed the "tracking a tornado" wording frequently in the past few weeks. The use of dual-pole might the reason.

Nope, that's not it. Brownsville doesn't get the dual-pol upgrade for over a year yet.

Link
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Quoting blsealevel:
Monster solar tornadoes discovered



Link


Very interesting link

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Night all
Member Since: Posts: Comments:
FLASH FLOOD WARNING
PRC119-300530-
/O.NEW.TJSJ.FF.W.0013.120330T0233Z-120330T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000 Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1033 PM AST THU MAR 29 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITY

IN PUERTO RICO
RIO GRANDE

* UNTIL 130 AM AST

* AT 1028 PM AST...WEATHER DOPPLER RADAR INDICATED HEAVY SHOWER
ACTIVITY ACROSS PORTIONS OF THE WARNED AREA. THIS HAS RESULTED IN
SIGNIFICANT RISES ON RIO ESPIRITU SANTO AT RIO GRANDE. RESIDENTS IN
FLOOD PRONE AREAS SHOULD MOVE TO HIGHER GROUND IMMEDIATELY AND NEVER
TRY TO CROSS A FLOODED ROADWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 1842 6582 1841 6578 1834 6582 1834 6584

$$

OMS

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN
Member Since: April 29, 2009 Posts: 75 Comments: 14071
712. MTWX
Reports coming in from that cell.

Hail:
0224 175 MCALLEN HIDALGO TX 2622 9824 SEVERAL WINDOWS IN APARTMENT BROKEN HAIL PILING UP TO 6 INCHES. (BRO)
0229 100 MCALLEN HIDALGO TX 2622 9824 QUARTER SIZE HAIL NEAR DOCTORS HOSPITAL. STREET FLOODING OBSERVERD.


Wind:
0204 74 MCALLEN HIDALGO TX 2622 9824 MCALLEN MILLER AIRPORT ASOS PEAK WIND GUSTS AT MINIMAL HURRICANE FORCE
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711. MTWX
Quoting Jedkins01:



Man, anyone owning a really nice car in that core is probably crying right now, lol.

That's what insurance is for.

I've been in a few storms with the VIL being reported like that. We surprisingly only got some pea sized hail, but it was raining so hard that you couldn't lift your hands over your head or open your eyes. Breathing was even difficult!
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Quoting Jedkins01:



I'm not fur sure but I think MET gradschool also requires advanced Calculus and a few more higher level math courses anyway.


FSU only requires differential equations, nothing higher, from what I looked at. Numerical analysis is good to have but not a requirement.
Member Since: November 24, 2005 Posts: 635 Comments: 26564
Quoting Ameister12:
For those who may not be use to Vertically Integrated Liquid, it is an estimate of the total mass of precipitation in a cloud used with radar. It is usually used to determine the size of hail. My radar I use was maxed out on VIL for a little while, indicating that the hail near McAllen was likely very large and probably damaging.



Very likely indeed. What's funny is once I had a monster thunderstorm in August that I thought was going to produce baseball size hail because of a massive VIL reading, but the VIL moved right over me and I never had hail at all, but I had some serious rain mixed with absolutely gigantic rain drops and a freaky lighting show and damaging winds.
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Quoting TropicalAnalystwx13:

A few minutes ago, the storm literally had VIL off that charts. IT WAS OVER 125!!!!!!!




Man, anyone owning a really nice car in that core is probably crying right now, lol.
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A Special Statement was issued for a very strong thunderstorm on Eastern PR.

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE SAN JUAN PR
1027 PM AST THU MAR 29 2012

PRC037-069-085-095-103-109-129-151-300415-
CEIBA PR-NAGUABO PR-LAS PIEDRAS PR-MAUNABO PR-PATILLAS PR-
SAN LORENZO PR-YABUCOA PR-HUMACAO PR-
1027 PM AST THU MAR 29 2012

AT 1019 PM AST...A THUNDERSTORM NEAR CEIBA AND NAGUABO IS CAPABLE
OF PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING AND STRONG WIND
GUSTS IN EXCESS OF 30 MPH AT LEAST UNTIL 1215 AM AST. OTHER
THUNDERSTORMS NEARBY MAY ALSO BECOME STRONG WITH BLINDING RAIN AND
FREQUENT LIGHTNING.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

MOTORISTS AND PERSONS IN THE PATH OF THESE STORMS ARE ADVISED TO
MONITOR NOAA WEATHER RADIO OR OTHER MEDIA FOR FURTHER UPDATES OR
POSSIBLE WARNINGS.

$$
Member Since: April 29, 2009 Posts: 75 Comments: 14071
For those who may not be use to Vertically Integrated Liquid, it is an estimate of the total mass of precipitation in a cloud used with radar. It is usually used to determine the size of hail. My radar I use was maxed out on VIL for a little while, indicating that the hail near McAllen was likely very large and probably damaging.
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Quoting Levi32:


I'm stuck as a physics bachelor until grad school, so I have to take 9 additional credits of upper-division math on top of everything you mentioned. I suppose more practice is always good, but I sure don't like it much.



I'm not fur sure but I think MET gradschool also requires advanced Calculus and a few more higher level math courses anyway.
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Quoting TropicalAnalystwx13:
McAllen got non-tornado wind gusts to 85 mph according to TWC.



I would believe it, that cell is incredibly strong. Sometimes you'll here severe thunderstorms ahead of strong cold fronts produce stronger winds like that but its usually due to strong winds just above the surface being brought down. But I'm pretty sure that's just pure down draft force. Amazing...
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Quoting Chucktown:


When I was a meteorology undergrad, Calc I, II, and III were required relateds for my Bachelor of Science. Also had to take ODE and PDE (Ordinary and Partial Differential Equations). Just a side note to all of the younger meteorology fanatics on this blog, if you don't like math, you are going to have a tough time getting a degree in meteorology. Believe it or not, Calc II was the most difficult to me. The others went hand and hand with a few of your required met courses, ex: Dyanamics I and II, Remote Sensing, and Synoptic Meteorology II.


I'm stuck as a physics bachelor until grad school, so I have to take 9 additional credits of upper-division math on top of everything you mentioned. I suppose more practice is always good, but I sure don't like it much.
Member Since: November 24, 2005 Posts: 635 Comments: 26564
Quoting Ameister12:
Tilt 1 Base Reflectivity.


1 hour Surface Rainfall


Vert. Integrated Liquid.

A few minutes ago, the storm literally had VIL off that charts. IT WAS OVER 125!!!!!!!

Member Since: July 6, 2010 Posts: 113 Comments: 31554
Quoting TropicalAnalystwx13:

Nope. I've noticed over the past few weeks in tornado warnings to say that NWS Meteorologists are tracking a tornado. I guess that means they're using dual pol? At least, that's what my met. friend told me.


I was thinking that myself actually, its getting dark and that storm is dropping copious amounts of rain so seeing a tornado there would be hard. I've also observed the "tracking a tornado" wording frequently in the past few weeks. The use of dual-pole might the reason.
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McAllen got non-tornado wind gusts to 85 mph according to TWC.
Member Since: July 6, 2010 Posts: 113 Comments: 31554
Tilt 1 Base Reflectivity.


1 hour Surface Rainfall


Vert. Integrated Liquid. (MAXED OUT!)
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Quoting Jedkins01:



That storm has 3 to 4 inch an hour rain rates, if the tornado is rain wrapped there won't be any visible on it, that's for sure.

Nope. I've noticed over the past few weeks in tornado warnings to say that NWS Meteorologists are tracking a tornado. I guess that means they're using dual pol? At least, that's what my met. friend told me.
Member Since: July 6, 2010 Posts: 113 Comments: 31554
Quoting TropicalAnalystwx13:
You know how I said that storm with the 77.5 dBZ was the most intense storm I've ever seen presented on radar? Yeah, well there's another storm down there with 78.0 dBZ. It's a tornado producer as well.



That storm has 3 to 4 inch an hour rain rates, if the tornado is rain wrapped there won't be any visible on it, that's for sure.
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You know how I said that storm with the 77.5 dBZ was the most intense storm I've ever seen presented on radar? Yeah, well there's another storm down there with 78.0 dBZ. It's a tornado producer as well.

McAllen is just not doing so well right now. :P
Member Since: July 6, 2010 Posts: 113 Comments: 31554
McAllen is having a very rough night. They're dealing with a possible tornado, likely some extremely large hail, and major flash flooding right now.
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694. MTWX
Quoting presslord:


I love the thought of that....some of us got together in Destin 3 years ago and had a blast...message me sometime if you'd like to noodle on it...


Press, I'll shoot you an email once I have the time to get some ideas together.

As you know, anytime Portlight needs me, I will do my best to be there! Hopefully this setup early next week sums up to just be just a tempest in a tea pot, but I guess only time will tell.
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Quoting SPLbeater:


Cell near McAllen doesnt look too friendly..

Tornado Warned storms usually aren't ;)
Member Since: July 6, 2010 Posts: 113 Comments: 31554
Quoting RitaEvac:
Chaos down near the border





Cell near McAllen doesnt look too friendly..
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Quoting MTWX:


We should have a Portlight conference once a year, and invite the key volunteers for that year as kind of a thank you dinner so to speak... What you guys think?? I don't live near any of you, but I can plan any event!! LOL!


I love the thought of that....some of us got together in Destin 3 years ago and had a blast...message me sometime if you'd like to noodle on it...
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690. MTWX
Quoting Chucktown:


What up Press? Yea, you do know who that is. We gotta get another shout out to Portlight one of these days. You know how to get me.

Quoting presslord:


I'll hit ya up after Easter...Have you been to Duke's BBQ on James Island? I could easily be talked into havin' lunch there...


We should have a Portlight conference once a year, and invite the key volunteers for that year as kind of a thank you dinner so to speak... What you guys think?? I don't live near any of you, but I can plan any event!! LOL!
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FLOOD ADVISORY
NATIONAL WEATHER SERVICE SAN JUAN PR
951 PM AST THU MAR 29 2012

PRC029-031-037-053-087-089-103-119-300415-
/O.EXT.TJSJ.FA.Y.0088.000000T0000Z-120330T0415Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000 Z.OO/
CANOVANAS PR-CEIBA PR-NAGUABO PR-FAJARDO PR-CAROLINA PR-LUQUILLO PR-
RIO GRANDE PR-LOIZA PR-
951 PM AST THU MAR 29 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* URBAN AND SMALL STREAM FLOOD ADVISORY
FOR THE FOLLOWING MUNICIPALITIES...

IN PUERTO RICO
CANOVANAS...CEIBA...NAGUABO...FAJARDO...CAROLINA.. .LUQUILLO...
RIO GRANDE AND LOIZA

* UNTIL 1215 AM AST

DOPPLER RADAR CONTINUES TO INDICATE SHOWERS AND ISOLATED THUNDERSTORMS
IN THE ADVISORY AREA. DUE TO ALREADY SATURATED SOILS...RAPID RISES IN
SMALL STREAMS AND CREEKS ARE EXPECTED THROUGH AT LEAST 1215 AM AST.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 1844 6587 1838 6574 1837 6568 1837 6562
1834 6563 1830 6562 1819 6568 1840 6599
1845 6597

$$

OMS
Member Since: April 29, 2009 Posts: 75 Comments: 14071
Quoting Jedkins01:


Mexicans make great food in general. I grew up in southern AZ and have a big love for mexican food :)
Also a lover of Mexican/Tex-Mex. Have this awesome Mexican restaurant in a gas station I go to every time there is an Everton game.
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Quoting Chucktown:


What up Press? Yea, you do know who that is. We gotta get another shout out to Portlight one of these days. You know how to get me.



I'll hit ya up after Easter...Have you been to Duke's BBQ on James Island? I could easily be talked into havin' lunch there...
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Quoting sunlinepr:
I don't like this guy. He is making the government of Japan look horrible. What do you say? There is a massive radiation leak and we need to evacuate everyone? The leak itself was slow an no were near as concentrated as Chernobyl or deadly. 50,000 people have not died directly from radiation. Will there be long term effects? Of course, but nothing comparable to Chernobyl. I think that Japans government is doing the right thing by not causing a panic that would probably be a much bigger disaster than what is currently occurring. Have to admit he is fun to watch on the science channel but that's about it for me.
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Chaos down near the border



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Quoting presslord:


I know that guy


What up Press? Yea, you do know who that is. We gotta get another shout out to Portlight one of these days. You know how to get me.

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FLASH FLOOD WARNING
PRC037-053-300430-
/O.NEW.TJSJ.FF.W.0012.120330T0138Z-120330T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000 Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
938 PM AST THU MAR 29 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
THE FOLLOWING MUNICIPALITIES

IN PUERTO RICO
CEIBA
FAJARDO

* UNTIL 1230 AM AST

* AT 932 PM AST...WEATHER DOPPLER RADAR INDICATED HEAVY SHOWER
ACTIVITY ACROSS PORTIONS OF THE WARNED AREA. THIS HAS RESULTED IN
SIGNIFICANT RISES ON RIO FAJARDO. RESIDENTS IN FLOOD PRONE AREAS
SHOULD MOVE TO HIGHER GROUND IMMEDIATELY AND NEVER TRY TO CROSS
A FLOODED ROADWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 1827 6563 1826 6574 1828 6574 1835 6563

$$

OMS

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
HTTP://WWW.WEATHER.GOV/SANJUAN
------------------------------------------------- -------------------------------
Member Since: April 29, 2009 Posts: 75 Comments: 14071
Quoting Chucktown:


No I'm all meteorology. I graduated about 10 years ago. Doin the TV thang now.

I'm doing engineering. I'm just saying that engineering is quite challenging and math is essential in almost all careers
Member Since: November 6, 2010 Posts: 11 Comments: 7881
Quoting Chucktown:


Yea, its definitely not the easiest major in the world. Stick it out, get your degree, then you can do whatever you want. Qualified mets are going to be a hot commodity for the next 20-30 years. Like our chief met here says, what we do sure beats working.


I know that guy
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Last week



This week

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Quoting nigel20:

Hey Chucktown, I'm not doing meteorology, but engineering instead and most of what you do in engineering is Calculus based and if you are doing Electrical Engineering like I'm doing...then you'll have to complete five levels of advanced engineering Mathematics (calculus for engineers)


No I'm all meteorology. I graduated about 10 years ago. Doin the TV thang now.
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Quoting trunkmonkey:


More Nonsense from NOAA!

http://droughtmonitor.unl.edu/DM_state.htm?TX,S


If you are still having concerns with the drought monitor product even after several of us have attempted to explain the procedure further, perhaps your next course of action would be to use the indicated contact information right below the image:

For local details and impacts, please contact your State Climatologist or Regional Climate Center.
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Quoting Tropicsweatherpr:
I thought that things were calming down after the quiet afternoon but look now.I see more flooding occuring tonight as grounds are saturated and rivers have not gone down to normal levels.


That's not what you would want to hear
Member Since: November 6, 2010 Posts: 11 Comments: 7881
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Quoting ScottLincoln:


Or unusually wet & concentrated small hail in heavy rain.


good point, good point
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Quoting SPLbeater:


Yeah my dad went to get his dilated, and in math i learned that dilation is an increase or decrease in size..so they is makin ur pupils bigger..

Never done to me and I hope it never does.


You'll have to have it done... it's a normal part of maintaining your eye health. For people with eye-related medical issues, you may have to have it done several times a year. You don't really feel anything and the benefits to the doctor (of being able to see much more of your retina) far outweigh the inconvenience of temporary brightness.
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I thought that things were calming down after the quiet afternoon but look now.I see more flooding occuring tonight as grounds are saturated and rivers have not gone down to normal levels.

Member Since: April 29, 2009 Posts: 75 Comments: 14071
Quoting Jedkins01:


Be careful though, reflectivity can be deceiving, while 77 is disturbingly high, a reflectivity of 77 DBZ likely means unusually large hail, and not necessarily an unusually severe thunderstorm.


Or unusually wet & concentrated small hail in heavy rain.
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Quoting Chucktown:


When I was a meteorology undergrad, Calc I, II, and III were required relateds for my Bachelor of Science. Also had to take ODE and PDE (Ordinary and Partial Differential Equations). Just a side note to all of the younger meteorology fanatics on this blog, if you don't like math, you are going to have a tough time getting a degree in meteorology. Believe it or not, Calc II was the most difficult to me. The others went hand and hand with a few of your required met courses, ex: Dyanamics I and II, Remote Sensing, and Synoptic Meteorology II.

Hey Chucktown, I'm not doing meteorology, but engineering instead and most of what you do in engineering is Calculus based and if you are doing Electrical Engineering like I'm doing...then you'll have to complete five levels of advanced engineering Mathematics (calculus for engineers)
Member Since: November 6, 2010 Posts: 11 Comments: 7881
Another veiw



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Monster solar tornadoes discovered



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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.