Wunderground launches new Local Climate Change section

By: Dr. Jeff Masters , 6:10 PM GMT on April 20, 2012

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In honor of Earth Day on Sunday, wunderground has launched a new Climate Change Center, which gives people resources to understand how the climate is changing both globally and in their local neighborhoods. I am particularly pleased with our Local Climate Change feature, which allows one to see how temperature and precipitation have changed over the past 100+ years at the nearest station with a long period of measurements. Predictions from climate models on what the next 100 years may bring are overlaid for each station. Data for most U.S. stations goes back to 1895; we have data for a few stations in Europe that extend back to the 1700s. Berlin has the longest period of record in this database, with data back to 1702.


Figure 1. Screenshot of the Local Climate Change page for Washington, DC. Measured temperatures since 1820 are shown in grey. By clicking on the "Show post-1900 trend:" box, we see that the trend since 1900 has been for an increase in temperature of 1.5°C (2.7°F) per century. Moving the thin vertical red line over the image using the mouse shows that the warmest year on record in Washington D.C. was 1991. Predictions for a future with low emissions of heat-trapping gases like carbon dioxide are shown in yellow; the high emissions prediction is shown in red. Separate tabs are available to examine precipitation and snow.

Skeptical?
Also included in the new Climate Change Center is a section addressing the common skeptical arguments made against climate change. We offer three levels of explanation. The "Basic" level is the default, but one can also see more technical in-depth discussions by clicking on the "See All Explanation Levels" link. The material was developed by physicist John Cook for his excellent skepticalscience.com web site, which is widely referenced in the climate science communication community.


Video 1. I'm featured in this video on extreme weather and climate change done by veteran videographer Peter Sinclair for the Yale forum on Climate Change and the Media this month. I'm also featured in Part 1 of this series. Our new Climate Change Center has a section for climate change videos, which includes a twice-monthly feature from GreenTV detailing the world's notable wild weather events of the past two weeks.

Earth: the Operator's Manual airs Sunday night
Penn State climate scientist Dr. Richard Alley hosts parts II and III of Earth: the Operator's Manual on PBS beginning at 7pm Sunday, April 22--Earth Day. Part I of this excellent series aired in April 2011. The series gives an overview of climate change, but primarily focuses on what we can do to help slow down climate change though smart energy choices. Dr. Alley, a registered Republican, geologist, and former oil company employee, is the Evan Pugh Professor of Geosciences at the Pennsylvania State University, and one of the most respected and widely published world experts on climate change. Dr. Alley has testified before Congress on climate change issues, served as lead author of "Chapter 4: Observations: Changes in Snow, Ice and Frozen Ground" for the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), and is author of more than 170 peer-reviewed scientific articles on Earth's climate. He is also the author of a book I highly recommend--The Two Mile Time Machine, a superb account of Earth's climate history as deduced from the 2-mile long Greenland ice cores. Dr. Alley is an excellent and engaging speaker, and I highly recommend listening to his 45-minute keynote speech, "The Biggest Control Knob: CO2 in Earth's Climate History", given at the 2010 American Geophysical Union meeting, via this very watchable recording showing his slides as he speaks in one corner of the video. If you want to understand why scientists are so certain of the link between CO2 and Earth's climate, this is a must-see lecture.

Have a great weekend, everyone, and I'll be back Monday with a new post. I'd like to thank Wunderground meteorologist, Angela Fritz for spearheading the creating the new Climate Change Center; it's a product I'll be referring to frequently in the future, and one we'll be updating in the coming months with data on local sea level rise, fire risk, and drought.

Jeff Masters

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TSTM today in CFL are quite strong... just had a Hail swath swing by with penny to quarter size hail.

Tomorrow should be worst as updrafts should be more sustained on any TSTM that develops.
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25-35 knots tomorrow for the coastal waters off Louisiana, that's roughly 30-40 mph sustained, not bad. I wonder what we will be looking at tonight - tomorrow night on the Central Peninsula, the convection this afternoon is very robust. Not much here yet.
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Quoting HughJass:


Good evening. As a long time lurker I appreciate the open community and exchange of information however I find the overwhelming number of posts (for example north TX NWS forecasts on a clear, sunny day as posted yesterday) somewhat of a detriment to the greater good. Please continue to contribute but perhaps dial it down a tad as this behavior during the season might not serve you well.


Um, what? This is a weather blog. Relevant exchange is encouraged.
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Quoting RTSplayer:
At least Florida is getting some decent rains, and not too much severe weather. A few TS warnings and a few coastal warnings, no biggie I guess.


wait til tomorrow
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At least Florida is getting some decent rains, and not too much severe weather. A few TS warnings and a few coastal warnings, no biggie I guess.
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Blue Angels will fly on Saturday in Navy Week NOLA air show
Published: Friday, April 20, 2012, 4:18 PM


Navy Week NOLA's air show will go on Saturday, planners said Friday afternoon. The city's planning committee feared rain forecast for Saturday could cancel the show.


While Sunday's weather is forecast to be clear but gusty, planners say they will determine Saturday whether the second day of air show will happen.
The air show will feature the Navy and Marine Corps' Blue Angels flight demonstration squadron. A spokeswoman for the squadron said the team plans to perform, weather permitting.
Member Since: July 3, 2005 Posts: 423 Comments: 127809
Quoting gulfbreeze:
You guys in South Florida freak out every time the wind blows a little!!


I blame their hurricane drought.
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You guys in South Florida freak out every time the wind blows a little!!
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Quoting LargoFl:
you dont know today, what the sustained winds will be tomorrow when that low crosses the state, could very well be tropical storm force winds


I've been through sustained tropical storm force winds, and they're not that bad. Some brief power outages are nothing to fret over.
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Quoting emcf30:


This is not much different than any typical day in Florida during the afternoon thunderstorm season. So no big deal. Also, gust and being sustained during a hurricane event is two totally different things. Can't even compare the two in the same sentence.
you dont know today, what the sustained winds will be tomorrow when that low crosses the state, could very well be tropical storm force winds
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SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
611 PM EDT FRI APR 20 2012

FLC111-202245-
/O.CON.KMLB.SV.W.0015.000000T0000Z-120420T2245Z/
ST. LUCIE-
611 PM EDT FRI APR 20 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR NORTHERN ST. LUCIE COUNTY...

AT 603 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR PEPPER BEACH PARK...OR NEAR FORT PIERCE INLET...MOVING
SOUTHEAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT
PIERCE OCEAN PARK...SURFSIDE PARK...COLLINS PARK ESTATES...INDIAN
RIVER ESTATES...FREDERICK DOUGLASS PARK AND SAINT LUCIE NUCLEAR PLANT

OTHER STRONG STORMS WERE ALSO ACROSS NORTH-CENTRAL AND WESTERN
OSCEOLA COUNTY. THESE STRENGTHENING CELLS...TOO...CONTAIN TORRENTIAL
RAINFALL...SMALL HAIL...GUSTY WINDS AND FREQUENT CLOUD TO GROUND
LIGHTNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 2735 8027 2739 8027 2745 8031 2742 8031
2737 8028 2736 8028 2740 8066 2744 8068
2755 8061 2756 8031 2734 8023
TIME...MOT...LOC 2208Z 293DEG 10KT 2750 8028

$$

SEDLOCK
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Statement as of 4:49 PM CDT on April 20, 2012

... Significant weather advisory...

The National Weather Service in Shreveport has issued a significant
weather advisory... effective until 530 PM CDT... for the following
counties...

In eastern Texas...
Nacogdoches... Sabine... San Augustine and Angelina...

Including the following locations...
Broaddus... Dolan and Zavalla...

At 447 PM CDT... National Weather Service meteorologists were
detecting a strong thunderstorm 7 miles northwest of Rockland...
moving northeast at 30 mph.

Nickel size hail is expected with this storm.
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Bad weather for the tournament at the lake.



04/20/2012 0143 PM

6 miles NE of Zavalla, Angelina County.

Hail e1.00 inch, reported by public.


Boat launch on Lake Sam Rayburn reports quarter-sized
hail.



04/20/2012 1230 PM

Huntington, Angelina County.

Hail e0.88 inch, reported by amateur radio.



Penny to nickel size hail in Huntington.



04/20/2012 1203 PM

Lufkin, Angelina County.

Hail e1.75 inch, reported by trained spotter.


04/20/2012 1201 PM

Lufkin, Angelina County.

Hail e1.25 inch, reported by amateur radio.


04/20/2012 1140 am

Hudson, Angelina County.

Hail e0.88 inch, reported by trained spotter.


Nickel size hail fell in the Hudson community west of
Lufkin.


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SHORT RANGE FORECAST DISCUSSION

Something for a wide variety of bloggers

KOG
CONDITIONS WILL BE COLD ENOUGH TO SUPPORT SNOW ALONG THE NORTHERN FRINGE OF THE PRECIPITATION SHIELD...BUT ANY SIGNIFICANT ACCUMULATIONS SHOULD STAY WELL NORTH OF THE CANADIAN BORDER.

Floridians
SOAKING RAINS AND STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED ACROSS THE SUNSHINE STATE ON SATURDAY AS THE SURFACE LOW TRACKS EASTWARD ALONG THE GULF COAST.


Press
BY EARLY SUNDAY...THE LOW WILL TAKE A NORTHWARD TURN TOWARDS THE CAROLINA COAST. HEAVY RAINS...STRONG WINDS...AND LATE SEASON SNOW ACCUMULATIONS WILL ALL BE POSSIBLE AS THIS SYSTEM STRENGTHENS AND TRACKS NORTHWARD UP THE EASTERN SEABOARD.
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Quoting LargoFl:
all the weather guys getting a bit nervous now, winds possibly 60-70 mph in gusts..geez..almost hurricane force....one good thing about all this tomorrow..its a tropical storm/hurricane preparedness event, if you get damaged tomorrow..imagine what happens in the real thing come summertime.


This is not much different than any typical day in Florida during the afternoon thunderstorm season. So no big deal. Also, gust and being sustained during a hurricane event is two totally different things. Can't even compare the two in the same sentence.
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Gonna Head Home. Check Yall out later this evening and tomorrow...........WW.
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Gulf Of Mexico - Rainbow Loop

..click image for Loop


Member Since: July 3, 2005 Posts: 423 Comments: 127809
Member Since: July 15, 2006 Posts: 170 Comments: 53544
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Quoting LargoFl:
it sure gets humid enough to grow them there wash, almost as bad as florida in summer..whew, been there alot in the 80's..beautiful city it is
Oh yeah that humidity can be a killer.D.C use to be a swamp before they started really developing the city.
Member Since: August 14, 2010 Posts: 10 Comments: 16828
Quoting cchsweatherman:
The current thunderstorm activity over the Florida Peninsula and over the Eastern Gulf of Mexico just shows just how severe the wind shear profile is in the atmosphere right now and will continue becoming more severe as we go into tomorrow.


Correct. 50 Knots of sheer over that area from the Gulf to Florida per the CMISS chart below and that would be expected to increase as the low deepens and approaches tomorrow.
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Quoting cchsweatherman:
The current thunderstorm activity over the Florida Peninsula and over the Eastern Gulf of Mexico just shows just how severe the wind shear profile is in the atmosphere right now and will continue becoming more severe as we go into tomorrow.
all the weather guys getting a bit nervous now, winds possibly 60-70 mph in gusts..geez..almost hurricane force....one good thing about all this tomorrow..its a tropical storm/hurricane preparedness event, if you get damaged tomorrow..imagine what happens in the real thing come summertime.
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tatement as of 4:45 PM CDT on April 20, 2012

... Significant weather advisory for Hardin... Jefferson and Orange
counties until 530 PM CDT...

At 441 PM CDT... National Weather Service meteorologists detected a
strong thunderstorm along a line extending from 6 miles northeast of
Thicket to 10 miles west of Nome to 36 miles southwest of Hamshire...
moving east at 25 mph.

* The strong thunderstorm will be near...
Saratoga by 450 PM...
Nome and Honey Island by 505 PM...
Village Mills and Sour Lake by 510 PM...
Kountze and China by 520 PM...
Hamshire... Fannett and Bevil Oaks by 530 PM...

The primary threats from these storms are frequent lightning... pea to
nickel size hail... and wind gusts 40 to 50 mph... which could down
tree limbs and blow around unsecured small objects. Seek shelter in a
safe home or building until these storms have passed.

A Severe Thunderstorm Watch remains in effect until 800 PM Friday
evening for southwestern Louisiana and southeast Texas.
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The current thunderstorm activity over the Florida Peninsula and over the Eastern Gulf of Mexico just shows just how severe the wind shear profile is in the atmosphere right now and will continue becoming more severe as we go into tomorrow.
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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
536 PM EDT FRI APR 20 2012

FLZ067-202215-
INLAND PALM BEACH COUNTY FL
536 PM EDT FRI APR 20 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
CENTRAL RURAL PALM BEACH COUNTY

* UNTIL 615 PM EDT

* AT 531 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 12 MILES SOUTHWEST OF LION COUNTRY SAFARI...AND
MOVING SOUTH AT 10 MPH.

* THE STORM WILL AFFECT...
RURAL CENTRAL AND SOUTHERN PALM BEACH COUNTY.

FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...UP
TO NICKEL-SIZED HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF
THESE ARE POSSIBLE. LIGHTNING IS THE NUMBER ONE WEATHER RELATED
KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. THESE
WINDS CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND
UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE
STORM PASSES.

THIS STORM IS SHOWING ROTATION. REMAIN ALERT FOR POSSIBLE WARNINGS.

LAT...LON 2667 8033 2640 8025 2635 8064 2660 8068
TIME...MOT...LOC 2135Z 003DEG 10KT 2655 8044

$$

GREGORIA
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Quoting jrweatherman:


Isn't is it too early to start watching the Caribbean? It is only April 20.


Good Point. The fact of the matter is that sheer is still way too high, regardless of whether there is an MJO pulse headed this way in early May. Stranger things have happened but all other things being equal, it will take some time for sheer levels to drop in the MDR. Here is what they look like today (in mid-April):

Link
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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
520 PM EDT FRI APR 20 2012

FLZ054-202200-
INDIAN RIVER-
520 PM EDT FRI APR 20 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH AND SMALL HAIL OVER INDIAN RIVER COUNTY...

* UNTIL 600 PM EDT.

AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL OVER VERO
BEACH SOUTH...MOVING SOUTHEAST AT 5 MPH.

ANOTHER CLUSTER OF SHOWERS AND EMBEDDED THUNDERSTORMS WAS LOCATED IN
NORTHEAST OKEECHOBEE COUNTY. THIS ACTIVITY WAS MOVING INTO SOUTHWEST
AND WESTERN INDIAN RIVER COUNTY. THESE CELLS CONTAIN HEAVY
RAINFALL...FREQUENT LIGHTNING...SMALL HAIL AND GUSTY WINDS.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
AND SMALL HAIL TO DIME SIZE INCLUDE VERO BEACH HIGHLANDS AND SOUTH
BEACH.

THE PRIMARY THREAT WILL BE FREQUENT TO EXCESSIVE CLOUD TO GROUND
LIGHTNING STRIKES AND GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE
UNSECURED OBJECTS TO BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER
OUTAGES. HEAVY RAINFALL WILL TEMPORARILY REDUCE VISIBILITY. SEEK
SHELTER INDOORS UNTIL THE STORM PASSES.

LAT...LON 2756 8032 2756 8077 2757 8078 2764 8078
2765 8087 2776 8088 2782 8088 2783 8046
2782 8045 2783 8042 2775 8038 2763 8034
2762 8033
TIME...MOT...LOC 2118Z 310DEG 11KT 2759 8038

$$

SEDLOCK
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Quoting AtHomeInTX:
Headed My way...

ETA Storms around 5:30 p.m.
Posted: Apr 20, 2012 3:54 PM CDT Updated: Apr 20, 2012 3:54 PM CDT
By Patrick Vaughn


A line of severe thunderstorms is moving towards Southeast Texas around 33 mph. ETA in Beaumont is around 5:30 p.m. These storms have knocked power out to 50,000.

A Severe Thunderstorm Watch is in effect for all of Southeast Texas until 8 p.m.

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Quoting KoritheMan:
A major upwelling event seems likely for the northern Gulf of Mexico in the near future:

GMZ011-210930-
NW GULF INCLUDING STETSON BANK-
430 PM EDT FRI APR 20 2012

.TONIGHT...NW TO N WINDS 5 KT...INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. SCATTERED SHOWERS AND TSTMS.
.SAT...NW TO N WINDS 20 TO 25 KT. SEAS 4 TO 6 FT...BUILDING TO
6 TO 9 FT IN THE AFTERNOON. SCATTERED SHOWERS.
.SAT NIGHT...NW TO N WINDS 20 TO 25 KT...BECOMING N 15 TO 20 KT
AFTER MIDNIGHT. SEAS 7 TO 10 FT.
.SUN...N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN NW SWELL.

$$

GMZ013-210930-
N CENTRAL GULF INCLUDING FLOWER GARDEN BANKS MARINE SANCTUARY-
430 PM EDT FRI APR 20 2012

.TONIGHT...E WINDS 5 KT...BECOMING NW TO N AFTER MIDNIGHT. SEAS
1 TO 2 FT. SCATTERED SHOWERS AND TSTMS.
.SAT...E OF 90W TO NW WINDS 5 TO 10 KT...BECOMING NW 15 TO 20 KT
IN THE AFTERNOON. SEAS 2 TO 3 FT. W OF 90W...NW WINDS 20 TO 25
KT. SEAS 3 TO 5 FT... BUILDING TO 5 TO 7 FT IN THE AFTERNOON.
SCATTERED SHOWERS AND TSTMS.
.SAT NIGHT...NW TO N WINDS 25 TO 30 KT...DIMINISHING TO 20 TO
25 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT...EXCEPT 8 TO 11 FT W OF
90W. SCATTERED SHOWERS.
.SUN...NW TO N WINDS 20 TO 25 KT...DIMINISHING TO 15 TO 20 KT IN
THE AFTERNOON. SEAS 8 TO 11 FT. SCATTERED SHOWERS.
.SUN NIGHT...E OF 90W NW TO N WINDS 20 KT. SEAS 8 TO 11 FT. W OF
90W NW TO N WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT...SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT.
.MON...N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
gee seas 6 to 9 ft..
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Headed My way...

ETA Storms around 5:30 p.m.
Posted: Apr 20, 2012 3:54 PM CDT Updated: Apr 20, 2012 3:54 PM CDT
By Patrick Vaughn


A line of severe thunderstorms is moving towards Southeast Texas around 33 mph. ETA in Beaumont is around 5:30 p.m. These storms have knocked power out to 50,000.

A Severe Thunderstorm Watch is in effect for all of Southeast Texas until 8 p.m.

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132. BtnTx
Major heavy thunderstorm here in Baytown for at least the last 30 minutes!
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FLOOD ADVISORY
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
509 PM EDT FRI APR 20 2012

FLC105-202215-
/O.NEW.KTBW.FA.Y.0002.120420T2109Z-120420T2215Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000 Z.OO/
POLK FL-
509 PM EDT FRI APR 20 2012

THE NATIONAL WEATHER SERVICE OFFICE IN RUSKIN HAS ISSUED A

* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
NORTHERN POLK COUNTY IN FLORIDA.

* UNTIL 615 PM EDT

* AT 508 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
RAINFALL RATES OF TWO INCHES PER HOUR ASSOCIATED WITH THUNDERSTORMS
OVER THE ADVISED AREA...LOCALIZED FLOODING IS IMMINENT OR OCCURRING.
RAINFALL TOTALS OF 2 TO 4 INCHES WITH LOCALLY 5 INCHES IS POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

KEEP CHILDREN FROM BEING SWEPT AWAY IN FLOODED DITCHES AND DRAINS.
FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR AND MAY STALL YOUR
VEHICLE. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP
VEHICLES OFF THE ROAD. TURN AROUND...DONT DROWN.

&&

LAT...LON 2808 8201 2832 8202 2832 8201 2831 8199
2831 8196 2834 8195 2834 8171 2816 8165

$$
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A major upwelling event seems likely for the northern Gulf of Mexico in the near future:

GMZ011-210930-
NW GULF INCLUDING STETSON BANK-
430 PM EDT FRI APR 20 2012

.TONIGHT...NW TO N WINDS 5 KT...INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. SCATTERED SHOWERS AND TSTMS.
.SAT...NW TO N WINDS 20 TO 25 KT. SEAS 4 TO 6 FT...BUILDING TO
6 TO 9 FT IN THE AFTERNOON. SCATTERED SHOWERS.
.SAT NIGHT...NW TO N WINDS 20 TO 25 KT...BECOMING N 15 TO 20 KT
AFTER MIDNIGHT. SEAS 7 TO 10 FT.
.SUN...N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN NW SWELL.

$$

GMZ013-210930-
N CENTRAL GULF INCLUDING FLOWER GARDEN BANKS MARINE SANCTUARY-
430 PM EDT FRI APR 20 2012

.TONIGHT...E WINDS 5 KT...BECOMING NW TO N AFTER MIDNIGHT. SEAS
1 TO 2 FT. SCATTERED SHOWERS AND TSTMS.
.SAT...E OF 90W TO NW WINDS 5 TO 10 KT...BECOMING NW 15 TO 20 KT
IN THE AFTERNOON. SEAS 2 TO 3 FT. W OF 90W...NW WINDS 20 TO 25
KT. SEAS 3 TO 5 FT... BUILDING TO 5 TO 7 FT IN THE AFTERNOON.
SCATTERED SHOWERS AND TSTMS.
.SAT NIGHT...NW TO N WINDS 25 TO 30 KT...DIMINISHING TO 20 TO
25 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT...EXCEPT 8 TO 11 FT W OF
90W. SCATTERED SHOWERS.
.SUN...NW TO N WINDS 20 TO 25 KT...DIMINISHING TO 15 TO 20 KT IN
THE AFTERNOON. SEAS 8 TO 11 FT. SCATTERED SHOWERS.
.SUN NIGHT...E OF 90W NW TO N WINDS 20 KT. SEAS 8 TO 11 FT. W OF
90W NW TO N WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT...SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT.
.MON...N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
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Member Since: July 15, 2006 Posts: 170 Comments: 53544
simply amazing,one of our local weather guys showed his futurecast on tomorrows storms here and in pinellas and tampa, there may be..get this..4 to 5 inches of rain tomorrow..I havent seen That much rain here in such a long time..we wished for rain..Mother Nature just Might have heard us huh..by the way, those seabreeze storms in the middle of florida are just about sitting where they are..just dumping tons of rain..which is also..great news...hope everyone is safe and well tonight
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Member Since: July 3, 2005 Posts: 423 Comments: 127809
Quoting TropicalAnalystwx13:
The latest 15-DAY MJO forecast from the GFS shows a strnog upward pulse entering the Atlantic by the end of this month and into May. While this model is probably a little too strong and too fast, other models such as the ECMWF, UKMET, and CMC also show this upward pulse as well. It's time to start watching the Caribbean for any areas of potential development.



Isn't is it too early to start watching the Caribbean? It is only April 20.
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BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
417 PM CDT FRI APR 20 2012

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* TORNADO WARNING FOR...
CENTRAL NUECES COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 500 PM CDT

* AT 417 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CORPUS
CHRISTI DEL MAR WEST CAMPUS...OR NEAR DOWNTOWN CORPUS MOVING
SOUTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
PADRE STAPLES MALL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 2768 9750 2784 9754 2784 9749 2783 9745
2784 9744 2783 9742 2785 9738 2784 9737
2777 9738 2772 9733
TIME...MOT...LOC 2117Z 342DEG 29KT 2775 9742
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BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
412 PM CDT FRI APR 20 2012

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
SOUTHEASTERN JIM HOGG COUNTY IN DEEP SOUTH TEXAS.

* UNTIL 445 PM CDT

* AT 412 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
TORNADO OVER AGUA NUEVA...MOVING SOUTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
AGUA NUEVA BY 410 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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LAT...LON 2689 9843 2679 9843 2679 9861 2682 9867
2684 9867 2686 9867 2698 9857
TIME...MOT...LOC 2112Z 308DEG 25KT 2686 9855
Member Since: September 3, 2011 Posts: 13 Comments: 3470
Quoting hydrus:
That was very funny..:) But for that , u get this...Link
well played :P
Member Since: Posts: Comments:
OK. I just rode out that squall line on the top floor of my building that is all glass. Our building (which is 43 floors high) was swaying at least a couple of feet, with a period of about 20-25 seconds. The buildings downtown turn the wind every which way, so to say we were buffeted is an understatement.

I haven't had that much fun in a long time!
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50 dogsgomoo [inre 7 aspectre]: Those globes are really neat to look at.

Didja check out the links? Amazing how the maintaining the same direction of Earth's spin relative to Earth's orbit around the Sun and the continents position relative to the Poles while flipping the Poles positions -- ie for Turnovia, what is now Antarctica surrounds the NorthPole and Greenland is near the SouthPole -- so radically alters the regional climates, and Earth's climate as a whole.

Not that I expect that the author's thoughts are necessarily correct in the particulars, but the overall picture of Change All Over The Place feels right.
'd be cool if the massive computer banks devoted to weather and climate modeling could be used to model those FlippedWorlds.
Member Since: August 21, 2007 Posts: 0 Comments: 4860

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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.

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