Hottest rain on record? Rain falls at 115°F in Needles, California

By: Dr. Jeff Masters , 3:19 PM GMT on August 15, 2012

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A searing heat wave rare even for the Desert Southwest sent temperatures soaring to record levels on Monday, with Needles, California tying its record high for the date of 118°F (47.8°C). The temperature might have gone higher in Needles, but a thunderstorm rolled in at 3:20 pm, and by 3:56 pm PDT, rain began falling at a temperature of 115°F (46.1°C). Most of the rain evaporated, since the humidity was only 11%, and only a trace of precipitation was recorded in the rain gauge. Nevertheless, Monday's rain at 115° in Needles sets a new world record for the hottest rain in world history. I don't think many people were outside to experience to experience the feeling of rain falling at 115°, but if they were, it must have been an uncomfortable, sauna-like experience! Thanks go to Dr. Warren Blier of the NWS Monterey office for pointing out this remarkable event to me.

It is exceedingly rare to get rain when the temperature rises above 100°F, since those kind of temperatures usually require a high pressure system with sinking air that discourages rainfall. Monday's rain in Needles was due to a flow of moisture coming from the south caused by the Southwest U.S. monsoon, a seasonal influx of moisture caused by the difference in temperature between the hot desert and the cooler ocean areas surrounding Mexico to the south. According to weather records researcher Maximiliano Herrera, the previous record for hottest rain, which I blogged about in June, was a rain shower at 109°F (43°C) observed in Mecca, Saudi Arabia on June 5, 2012 and in Marrakech, Morocco on July 10, 2010. The 11% humidity that accompanied Monday's rain shower at 115° in Needles was the lowest humidity rain has ever occurred at anywhere on Earth in recorded history, according to Mr. Herrera.


Figure 1. True-color MODIS satellite image of California and Arizona taken at 1:25 pm PDT August 13, 2012. Developing thunderstorms surround Needles, CA, and the line of clouds to the southwest of the city would develop into a thunderstorm that brought rain to the city at 4 pm PDT, at a temperature of 115°F. Image credit: NASA.

A "very rare" heat wave for Phoenix
The heat wave that brought Needles' record hot rain has broken an exceptional number of heat records in Phoenix, Arizona the past two weeks. According to the Phoenix NWS office, the "almost unbearable heat" of the first two weeks of August is a "very rare" event, and August 1 - 14, 2012 was the warmest such 2-week period in city history. The average temperature on August 6 - 13 was 100°F or higher each of the eight days, tying the record for most consecutive days with an average temperature of 100°. The temperature peaked at 116° on August 8, just 6° below Phoenix's all-time record of 122° set on June 26, 1990. The forecast for Phoenix call for a bit of relief--highs are expected to be a relatively modest 105° today, and down near 100° by Friday.


Figure 2. Morning satellite image of 93L over the Central Atlantic.

93L close to tropical depression status
A large tropical wave (Invest 93L) is located in the Central Atlantic about 700 miles east of Bermuda. Satellite loops this morning show a surface circulation has formed, and heavy thunderstorm activity has increased to the point where 93L should be considered a tropical depression, if the heavy thunderstorms can persist through this afternoon. Wind shear is light, and ocean temperatures are warm, near 28°C. The latest Saharan Air Layer Analysis from the University of Wisconsin shows that 93L has moistened its environment considerably, and dry air should no longer be a significant impediment to development. The 8 am EDT run of the SHIPS model predicts that wind shear will remain in the low range through the weekend, and I expect this system will become Tropical Storm Gordon by Friday. The storm will not affect Bermuda, but residents of the Azores Islands should keep an eye on 93L, which could pass through the islands as early as Sunday night. In their 8 am Tropical Weather Outlook, NHC gave 93L an 80% chance of becoming a tropical depression by Friday morning.

Elsewhere in the tropics
In the Gulf of Mexico, a fall-like cold front is expected to stall out early next week, and the GFS model is predicting something could start to spin up near the Texas/Mexico border on Monday. Wind shear is predicted to be low to moderate, and cold fronts stalled out over the Gulf of Mexico often serve as the seed for tropical storms.

Most of the models predict development of a new tropical wave off the coast of Africa 6 - 7 days from now.

Jeff Masters

Haboob #7 (nukegm)
Another dust storm rolling into town.
Haboob #7
Strike over the Lake. (weathercts99)
A stunning bolt of lightning over a lake in Chandler.
Strike over the Lake.

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Quoting LargoFl:
..LOL 2 points


Lol. That was a good one. :)
Member Since: August 24, 2010 Posts: 0 Comments: 245
Remember this?

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Quoting mcluvincane:
Got another name for the so called fish storms--recurvacanes
..LOL 2 points
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Quoting RitaEvac:
NAHHHHH

Actually not to hard to believe unfortunately.If shear is low and as we all know sst are in the mid to upper 80's to around 90's in the gulf.The gulf is also known to have quick spin-ups..so just be aware.
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Quoting indianrivguy:


Do that Monday-Friday, and have lionfish roundups on the weekend... :(
......good for you guys down there go get'um
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Quoting RitaEvac:
NAHHHHH



oooooh let's hope not...7 days is a long time. Hope it is just confused :)
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Quoting washingtonian115:
It's only a model run :).


Oh yeah, I know. Thought Rita would get onto me so I figured I better add the wink. I agree with his NAHHHH! tho. lol
Member Since: August 24, 2010 Posts: 0 Comments: 245
Quoting reedzone:


1996 - Edouard recurved, Fran went west
2003 - Fabian recurved, Isabel went west
2005 - Dennis lifted north due to a trough, Emily was pushed westward by a building ridge after that trough moved out
2010 - Danielle recurved east of Bermuda, Earl recurved west of Bermuda, just about 100 miles off the East Coast

It all depends on timing. After 93L (Gordon) recurves, the ridge will build back in, potentially stronger before another trough erodes it. It's a pattern but doesn't exactly mean every storm is going to recurve. It's all about timing.


Why is earl considered to recurve if it hit nova scotia?
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Quoting biff4ugo:
If world records are being set, and rare climate events aren't rare anymore, NOW can we say climate change? Or do we still need legislative permission?

I'm thankful we are getting the rain without the tropical storms so far.(in Florida)

Pythons are changing the everglades environment. We need to start having snake harvest festivals down there with Python Polenta, free hyde tanning, boot sales, and a John Cleese film festival.


Do that Monday-Friday, and have lionfish roundups on the weekend... :(
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Models out to lunch again
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hey NCstormz..how is it by you today?....................SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
ISSUED BY NATIONAL WEATHER SERVICE BLACKSBURG VA
146 PM EDT WED AUG 15 2012

NCZ073-074-083-084-151845-
ANSON NC-MONTGOMERY NC-RICHMOND NC-STANLY NC-
146 PM EDT WED AUG 15 2012

...A STRONG THUNDERSTORM WILL AFFECT ANSON...MONTGOMERY...RICHMOND
AND STANLY COUNTIES...

AT 143 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 11 MILES SOUTHEAST
OF ALBEMARLE...MOVING EAST AT 20 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.

THIS STORM WILL BE NEAR MOUNT GILEAD AROUND 200 PM...PEKIN AROUND 225
PM...TROY AROUND 230 PM AND CANDOR AROUND 245 PM.

LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES OR POSSIBLE WARNINGS.

LAT...LON 3546 7978 3515 7967 3516 8018 3529 8020

$$


SK
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Quoting LargoFl:
..not much so far, looks to be pretty normal weather around here

If anything TROPICAL were to form out of that GOM "invest", it would likely be a TX to Central Gulf threat, it wouldn't be that capable of going Easterly very far before going inland.
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Quoting AtHomeInTX:


sigh... ;)


168 hrs? Models can't even forecast 48 hrs.... No worry....
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Got another name for the so called fish storms--recurvacanes
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Quoting AtHomeInTX:


sigh... ;)
It's only a model run :).
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Quoting shawn26:
Any chance if something does develop this wekend or early next week in the GOM that it could go to Florida?
..not much so far, looks to be pretty normal weather around here
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Quoting RitaEvac:
NAHHHHH

..Patrap..be extra alert if this proves to be true
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Quoting GTcooliebai:
168 hrs. a hurricane on the doorstep of the TX/LA border:



sigh... ;)
Member Since: August 24, 2010 Posts: 0 Comments: 245
Quoting RitaEvac:
NAHHHHH


2012 = Homegrown...

Seems pretty simple, don't it?
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Quoting CybrTeddy:


I agree, the pattern generally supports a recurve with a weaker A/B high thanks to a negative NAO. The problem will be spinups like the FIM/GFS have been showing as of late that might pose a threat to the Gulf Coast if things can really get going and threats like Ernesto, which put on a rather impressive spurt of intensification once it reached the Western Caribbean after virtually being a wave through the entire trek through the Caribbean, being picked up by troughs come mid-September.

A negative NAO does favor a weaker high, but it is also more elongated towards the coast, making it harder for storms to recurve. Many of the big hurricanes in history hit the USA during a negative NAO.
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Quoting washingtonian115:
Really sad what man has done to the Everglades.A real beautiful place now infested with foreign snakes that are killing the native wild life and destroying the ecosystem.Every time I here a story like the one above I just shake my head in disappointment.Damn..just Damn...


And that is happening everywhere, people buying "exotic animals" mostly through the Internet and then irresponsibly getting rid of them in their local ecosystems....
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NAHHHHH

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Be gone, already...

invest_DEACTIVATE_al072012.ren
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TORNADO WARNING-NORTH CAROLINA.........................
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
129 PM EDT WED AUG 15 2012

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* TORNADO WARNING FOR...
PAMLICO COUNTY IN NORTH CAROLINA
CENTRAL CRAVEN COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 215 PM EDT

* AT 126 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO OVER FAIRFIELD HARBOR...OR 6 MILES EAST OF JAMES CITY...
MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
ARAPAHOE...
GRANTSBORO...
ALLIANCE...
BAYBORO...
MERRITT...STONEWALL...
MARIBEL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING...1...8 0 0...8 8 9...6 8 8 9 OR NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY.



LAT...LON 3502 7692 3511 7701 3522 7676 3523 7665
3520 7659 3517 7661 3516 7659 3517 7660
3518 7658 3512 7655 3506 7660 3506 7663
3502 7668 3499 7686
TIME...MOT...LOC 1729Z 247DEG 18KT 3505 7689



29
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Any chance if something does develop this wekend or early next week in the GOM that it could go to Florida?
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Quoting MississippiWx:


Eh, it does happen that way sometimes.



If Earl moved quicker toward the USA, it would have been a strike.. It's all about timing.
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Quoting VR46L:


Dont see why not ,93L is still alive and kicking ..and the High on some of the models, re-establishes itself rather Quickly and may not allow it to go out to sea like 93L will do.


1996 - Edouard recurved, Fran went west
2003 - Fabian recurved, Isabel went west
2005 - Dennis lifted north due to a trough, Emily was pushed westward by a building ridge after that trough moved out
2010 - Danielle recurved east of Bermuda, Earl recurved west of Bermuda, just about 100 miles off the East Coast

It all depends on timing. After 93L (Gordon) recurves, the ridge will build back in, potentially stronger before another trough erodes it. It's a pattern but doesn't exactly mean every storm is going to recurve. It's all about timing.
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Quoting LargoFl:
..yes the very hot waters in the gulf this year is really going to hurt the industry


North American freshwater fishes race to extinction


Posted on August 15, 2012
August 15, 2012 – WASHINGTON - North American freshwater fishes are going extinct at an alarming rate compared with other species, according to an article in the September issue of BioScience. The rate of extinctions increased noticeably after 1950, although it has leveled off in the past decade. The number of extinct species has grown by 25 percent since 1989. The article, by Noel M. Burkhead of the US Geological Survey, examines North American freshwater fish extinctions from the end of the 19th Century to 2010, when there were 1213 species in the continent, or about 9 percent of the Earth’s freshwater fish diversity. At least 57 North American species and subspecies, and 3 unique populations, have gone extinct since 1898, about 3.2 percent of the total. Freshwater species generally are known to suffer higher rates of extinction than terrestrial vertebrates. Extinctions in fishes are mostly caused by loss of habitat and the introduction of nonindigenous species. In North America, there are more freshwater fish species in a typical drainage to the east of the Great Continental Divide than to the west, where a greater proportion of species have gone extinct or are found nowhere else. Estimating the number of extinctions relies on scrutiny of historical records and careful estimation procedures, since the last populations of a species are often recognized as such only in hindsight-there is typically a lag of several years from the last observation of a species and its estimated year of extinction. Estimates are complicated by the fact that, on average, 6.7 new species are discovered each year, and occasionally a species thought to have gone extinct is “rediscovered.” Nonetheless, Burkhead concludes that between 53 and 86 species of North American freshwater fishes are likely to have gone extinct by 2050, and that the rate of extinction is now at least 877 times the background extinction rate over geological time. –Terra Daily

Link
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BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1238 PM CDT WED AUG 15 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN SMITH COUNTY IN CENTRAL MISSISSIPPI...
NORTHEASTERN COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 130 PM CDT

* AT 1238 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES
EAST OF MOUNT OLIVE MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
TAYLORSVILLE BY 110 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.



LAT...LON 3174 8968 3178 8966 3178 8965 3179 8966
3190 8961 3184 8931 3180 8932 3179 8940
3161 8941
TIME...MOT...LOC 1738Z 291DEG 9KT 3179 8954



MRM
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Quoting etxwx:
Red tide fish kill cleanup continues in Galveston
August 14, 2012 GALVESTON, Texas (AP) — Parts of Galveston Bay are closed to shellfish harvesting after a fish kill has been linked to the algae bloom called red tide. Galveston officials hope the cleanup of more than 30 miles of beachfront will be finished Wednesday. Parks Board executive director Kelly de Schaun says the west edge of the island has the largest concentrations of dead fish. State officials last Friday began getting reports of fish kills.
The Texas Department of State Health Services on Sunday confirmed varying levels of red tide. The agency on Monday closed sections of Galveston Bay to shellfish harvesting. Parks and Wildlife Department officials hope to do a coastal flyover for an aerial view of the algae bloom. Galveston has not issued any advisories against swimming. Red tide can cause respiratory problems.
..yes the very hot waters in the gulf this year is really going to hurt the industry
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Quoting reedzone:


Actually, it's all about timing and how fast ridges build.. Not every storm is going to recurve man lol.. Doesn't happen that way. And for the record, I did NOT call you a troll.


Eh, it does happen that way sometimes.

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Quoting seer2012:
As a kid I hiked around in the Big Cypress from 40 mile bend over to Monroe Station but you won't catch me out there anymore,certainly no alone!!WOW! 17 ft.!
..yeah i know what you mean and..there are Other things in there now just as bad...people really need to stop putting these bad animals and snakes in the swamp...but you know and I know..they wont
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Quoting HurricaneDean07:
I think Hector is one of the most retarded storms ever to live in the EPAC.


and ERNESTO....both storms were very annoying at one point
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Really sad what man has done to the Everglades.A real beautiful place now infested with foreign snakes that are killing the native wild life and destroying the ecosystem.Every time I here a story like the one above I just shake my head in disappointment.Damn..just Damn...
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190. etxwx
Red tide fish kill cleanup continues in Galveston
August 14, 2012 GALVESTON, Texas (AP) — Parts of Galveston Bay are closed to shellfish harvesting after a fish kill has been linked to the algae bloom called red tide. Galveston officials hope the cleanup of more than 30 miles of beachfront will be finished Wednesday. Parks Board executive director Kelly de Schaun says the west edge of the island has the largest concentrations of dead fish. State officials last Friday began getting reports of fish kills.
The Texas Department of State Health Services on Sunday confirmed varying levels of red tide. The agency on Monday closed sections of Galveston Bay to shellfish harvesting. Parks and Wildlife Department officials hope to do a coastal flyover for an aerial view of the algae bloom. Galveston has not issued any advisories against swimming. Red tide can cause respiratory problems.
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189. TXCWC
Quoting GTcooliebai:
168 hrs. a hurricane on the doorstep of the TX/LA border:



Don't know much about it - How reliable is the experimental FIM?
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Quoting biff4ugo:
If world records are being set, and rare climate events aren't rare anymore, NOW can we say climate change? Or do we still need legislative permission?

I'm thankful we are getting the rain without the tropical storms so far.(in Florida)

Pythons are changing the everglades environment. We need to start having snake harvest festivals down there with Python Polenta, free hyde tanning, boot sales, and a John Cleese film festival.
yes it has been changing since the 50's..just slowly but for some reason the change seems to be quickening..we'll see over time if this proves to be true, but..people will get used to the new temps, generation after generation and they new ones wont remember or have experienced the old weather, so wont realize the changes..thats worrisome huh.......when i was a kid in nyc..2 feet or more in a snowstorm was normal and expected at least once a winter..NOW..if they get a foot..thats big news........yes the weather has changed indeed
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Quoting HurricaneDean07:
I think Hector is one of the most retarded storms ever to live in the EPAC.


Well, when he was in the Atlantic as Ernesto.. he also was quite special. Never was able to close off that CoC and drove us mad.
Member Since: July 8, 2005 Posts: 259 Comments: 24169
Quoting hurricane23:


What does september have to do with the overall steering pattern? The CURRENT pattern does indeed favor recurve. As i stated thanks to the sal typical outbreaks in july and that TUTT in the central atl ernesto was not able to take advantage of the window which the US was vulnerble. The pattern can change back again, but it's going to take time. With the weak nino developing, we probably won't see much after the 1st week of Oct, but some time between mid/late Sep thru early Oct I could see either a long-track easterly wave or some kind of western Caribbean genesis perhaps threatening the US.


Nothing in the 8-10 day 500mb mean signals recurve.

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Quoting LargoFl:
..several years ago they increased the fines down there for the people who bought these snakes, found they got too big and released them into the swamp..where..as you can see..they get HUGE, good thing I too..wont ever go there, alot more where that came from
As a kid I hiked around in the Big Cypress from 40 mile bend over to Monroe Station but you won't catch me out there anymore,certainly no alone!!WOW! 17 ft.!
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Quoting kwgirl:

Good afternoon all. I wonder if they sell the snakeskin. One that large should be worth some money in the belt industry.
..i think they do sell it, also..ugh..snake skin shoes............in that pic they are indeed skinning the snake
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Quoting skook:



I kinda agree about the felling bad, i don't think you would of really noticed it, with such little rainfall making it to the ground. During our thunderstorms here in Fl, they usually bring relief to the heat. But once every so often, after usually it seems a quick heavy rainfall, it reminds me of a sauna, with rain evaporating off the ground, not taking a hot shower, which I love to do regardless of temp.

Yep. Rain evaporates off the hot asphalt and concrete. Sun comes back out to buff and polish things. And it wasn't close to 11% relative humidity when things started either.
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Quoting hurricane23:


What does september have to do with the overall steering pattern? The CURRENT pattern does indeed favor recurve. As i stated thanks to the sal typical outbreaks in july and that TUTT in the central atl ernesto was not able to take advantage of the window which the US was vulnerble. The pattern can change back again, but it's going to take time. With the weak nino developing, we probably won't see much after the 1st week of Oct, but some time between mid/late Sep thru early Oct I could see either a long-track easterly wave or some kind of western Caribbean genesis perhaps threatening the US.


Actually, it's all about timing and how fast ridges build.. Not every storm is going to recurve man lol.. Doesn't happen that way. And for the record, I did NOT call you a troll.
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Quoting WDEmobmet:
So much for me ever visiting the Everglades



Huge Burmese python caught in Florida Everglades

Good afternoon all. I wonder if they sell the snakeskin. One that large should be worth some money in the belt industry.
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Quoting cedarparktxguy:
Cantore just said Fish storms will no longer be classified named storms effective immediately....

take it for what it is worth


Yeah, that's incorrect.
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Ernesto (Hector).. STILL going.
Member Since: July 8, 2005 Posts: 259 Comments: 24169
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT WED AUG 15 2012

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

A WELL-DEFINED LOW PRESSURE SYSTEM IS LOCATED OVER THE CENTRAL
ATLANTIC ABOUT 630 MILES EAST-SOUTHEAST OF BERMUDA. SHOWER AND
THUNDERSTORM ACTIVITY CONTINUES TO SHOW SIGNS OF ORGANIZATION...
AND A TROPICAL DEPRESSION COULD FORM LATER TODAY. THIS SYSTEM
HAS A HIGH CHANCE...90 PERCENT...OF BECOMING A TROPICAL CYCLONE
DURING THE NEXT 48 HOURS AS IT MOVES NORTH-NORTHWESTWARD TO
NORTHWARD AT 15 MPH TODAY...AND TURNS NORTHEASTWARD TOMORROW.

A TROPICAL WAVE...THE REMNANTS OF TROPICAL DEPRESSION SEVEN...IS
LOCATED OVER NORTHERN GUATEMALA...BELIZE...AND THE YUCATAN
PENINSULA. THIS DISTURBANCE IS PRODUCING DISORGANIZED SHOWERS AND
THUNDERSTORMS OVER THE FAR NORTHWESTERN CARIBBEAN SEA...THE YUCATAN
PENINSULA...AND PORTIONS OF CENTRAL AMERICA. THIS SYSTEM HAS A LOW
CHANCE...NEAR 0 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE
NEXT 48 HOURS AS IT MOVES WEST-NORTHWESTWARD AT 15 TO 20 MPH ACROSS
GUATEMALA AND SOUTHEASTERN MEXICO. HOWEVER...LOCALLY HEAVY RAINS
WILL BE POSSIBLE ACROSS PORTIONS OF CENTRAL AMERICA AND SOUTHERN
MEXICO THROUGH THURSDAY.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER STEWART
Member Since: September 6, 2007 Posts: 0 Comments: 6598

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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.