The global tropical cyclone season of 2010: record inactivity

By: Dr. Jeff Masters , 1:14 AM GMT on April 03, 2011

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The year 2010 was one of the strangest on record globally for tropical cyclones. Each year, the globe has about 92 tropical cyclones--called hurricanes in the Atlantic and Eastern Pacific, typhoons in the Western Pacific, and tropical cyclones in the Southern Hemisphere. But in 2010, we had just 68 of these storms--the fewest since the dawn of the satellite era in 1970. The previous record slowest year was 1977, when 69 tropical cyclones occurred world-wide. Both the Western Pacific and Eastern Pacific had their quietest seasons on record in 2010, the Atlantic had its 3rd busiest season since record keeping began in 1851, and the Southern Hemisphere had a below average season. As a result, the Atlantic, which ordinarily accounts for just 13% of global cyclone activity, accounted for 28% in 2010--the greatest proportion since accurate tropical cyclone records began in the 1970s. Global Accumulated Cyclone Energy (ACE) for 2010 was the lowest since the late 1970s (ACE is a measure of the total destructive power of a hurricane season, based on the number of days strong winds are observed.)


Figure 1. Visible satellite image of 2010's strongest tropical cyclone: Super Typhoon Megi at 2:25 UTC October 18, 2010. A reconnaissance aircraft measured a central pressure of 885 mb and surface winds of 190 mph in the storm, making Megi the 8th strongest tropical cyclone in world history. Image credit: NASA.

A record quiet 2010 Northwest Pacific Typhoon Season
The Western Pacific set records for fewest number of named storms (fifteen, previous record seventeen in 1998) and typhoons (nine, tied with the previous record of nine in 1998. Note that Tropical Storm Mindulle was upgraded to a typhoon in post-analysis after the season was over.) Reliable records began in the mid-1960s. For just the second year in history, the Atlantic had more named storms and hurricane-strength storms than the Western Pacific. The only other year this occurred was in 2005. Ordinarily, the Western Pacific has double to triple the amount of tropical cyclones of the Atlantic. One other notable feature of the 2010 season was the lack of a land-falling typhoon on the Japanese mainland. This is only the second such occurrence since 1988.

In 2010, there was only one super typhoon--a storm with at least 150 mph winds--in the Western Pacific. However, this storm, Super Typhoon Megi, was a doozy. Megi's sustained winds cranked up to a fearsome 190 mph and its central pressure bottomed out at 885 mb on October 16, making it the 8th most intense tropical cyclone in world history. Fortunately, Megi weakened significantly before hitting the Philippines as a Category 3 typhoon. Megi killed 69 people on Taiwan and in the Philippines and did $700 million in damage, and was the second deadliest and damaging typhoon of 2010. Category 3 Typhoon Fanapi was the deadliest and most damaging typhoon of 2010, doing over $1 billion in damage to Taiwan and China and killing 105.

The record quiet typhoon season in 2010 was due, in part, to the La Niña phenomena. During such events, the formation region for Western Pacific typhoons moves northwestward, closer to China. Thus, storms that form in the Western Pacific spend less time over water before they encounter land, resulting in a lesser chance to become a named storm, and less time to intensify. They also accumulate a lower ACE due to their shorter duration. Since the Western Pacific is responsible for 35% of the world's major tropical cyclones, the global ACE value is strongly tied to year-to-year variations in the El Niño/La Niña cycle.


Figure 2.
Statistics for the global tropical cyclone season of 2010. The two numbers in each box represent the actual number observed in 2010, followed by the averages from the period 1983-2007 (in parentheses). Averages and records were computed using the December 23, 2008 release of NOAA's International Best Track Archive for Climate Stewardship.

A record quiet 2010 Eastern Pacific Typhoon Season
In the Eastern Pacific, it was also a record-quiet season. On average, the Eastern Pacific has 15 named storms, 8 hurricanes, and 3 intense hurricanes in a season. In 2010, there were 8 named storms, 3 hurricanes, and 2 intense hurricanes. The previous record quietest season since 1966 was the year 1977, when the Eastern Pacific had 8 named storms, 4 hurricanes, and zero intense hurricanes. La Niña was largely responsible for the quiet Eastern Pacific hurricane season, due in part to the cool sea surface temperatures it brought. It is quite remarkable that both the Eastern and Western Pacific ocean basins had record quiet seasons in the same year--there is no historical precedent for such an occurrence.

Climate change and the 2008 global tropical cyclone season
We only have about 30 years of reliable global tropical cyclone data, and tropical cyclones are subject to large natural variations in numbers and intensities. Thus, it will be very difficult at present to prove that climate change is affecting global tropical cyclone activity. (This is less so in the Atlantic, where we have a longer reliable data record to work with.) A common theme of many recent publications on the future of tropical cyclones globally in a warming climate is that the total number of these storms will decrease, but the strongest storms will get stronger. For example, a 2010 review paper published in Nature Geosciences concluded: "greenhouse warming will cause the globally averaged intensity of tropical cyclones to shift towards stronger storms, with intensity increases of 2 - 11% by 2100. Existing modeling studies also consistently project decreases in the globally averaged frequency of tropical cyclones, by 6 - 34%. Balanced against this, higher resolution modeling studies typically project substantial increases in the frequency of the most intense cyclones, and increases of the order of 20% in the precipitation rate within 100 km of the storm centre." Last year, I discussed a paper by Bender et al that concluded that the total number of Atlantic hurricanes is expected to decrease by the end of the century, but there could be an increase of 81% in the number of Category 4 and 5 storms. The net effect of a decrease in total number of hurricanes but an increase in the strongest hurricanes should cause an increase in U.S. hurricane damages of about 30% by the end of the century, the authors computed, assuming that hurricane damages behave as they did during the past century. A new paper just published by Murakami et. al predicts that Western Pacific tropical cyclones may decrease in number by 23% by the end of the century, primarily due to a shift in the formation location and tracks of these storms.

In light of these theoretical results, it is interesting that 2010 saw the lowest number of global tropical cyclones on record, but an average number of very strong Category 4 and 5 storms. Fully 21% of last year's tropical cyclones reached Category 4 or 5 strength, versus just 14% during the period 1983 - 2007. Most notably, in 2010 we had the second strongest tropical cyclone on record in the Arabian Sea (Category 4 Cyclone Phet in June) and the strongest tropical cyclone ever to hit Myanmar/Burma (October's Tropical Cyclone Giri, an upper end Category 4 storm with 155 mph winds.) It is too early to read anything into this year's global tropical cyclone numbers, though--we need many more years of data before making any judgments on how global tropical cyclones might be responding to climate change.


Figure 3. Visible satellite image of Tropical Cyclone Phet on Thursday, June 3, 2010. Record heat over southern Asia in May helped heat up the Arabian Sea to 2°C above normal, and the exceptionally warm SSTs helped fuel Tropical Cyclone Phet into the second strongest tropical cyclone ever recorded in the Arabian Sea. Phet peaked at Category 4 strength with 145 mph winds. Only Category 5 Cyclone Gonu of 2007, which devastated Oman, was a stronger Arabian Sea cyclone. Phet killed 44 people and did $700 million in damage to Oman.


Figure 4. Visible MODIS satellite image of Tropical Cyclone Giri taken at 2:55am EDT October 22, 2010, just prior to landfall in Myanmar/Burma. At the time, Giri was a Category 4 storm with 145 mph winds. Giri killed 157 people and did $359 million in damage. Image credit: NASA.

Jeff Masters

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The parish to my north.

A FEW TREES AND POWERLINE POLES DOWNED BY THUNDERSTORM WINDS.
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Well I dont like dat atall..


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Member Since: July 17, 2009 Posts: 71 Comments: 27074
Quoting doorman79:


Sorry, thought you were north? MAndy then?
Still Covington if you ask the USPS. Unincorporated if you ask St Tammany.
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Quoting atmoaggie:
I'm south of Covington. But, there's some wind here!


Sorry, thought you were north? MAndy then?
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One last hurrah,..I'll take it.

Cuz Summa is a week away behind this last cool shot,,U betcha.

Come July,,the 50's will be a memory
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Quoting atmoaggie:
700 PM CDT MON APR 4 2011
Quick-draw McPatrap beat me to it...


So you watch NCIS, too! LOL
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Quoting Patrap:
Yukon will be round soon nuff ,..itsa gonna be a cool morning in Pontchatula fer sure


Yep, and crisp. Like fall after today.
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Quoting doorman79:


Thats you Atmo, Take cover!
I'm south of Covington. But, there's some wind here!

I am on the very southern edge of the warning box.
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Yukon will be round soon nuff ,..itsa gonna be a cool morning in Ponchatoula fer sure
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We are getting some rain and thunder here in Ponchatoula, but winds are cool.
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BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
709 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
NORTHERN FORREST COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITIES OF...PETAL...HATTIESBURG...
SOUTHEASTERN JONES COUNTY IN SOUTHEAST MISSISSIPPI...
CENTRAL LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF WEST HATTIESBURG...


* UNTIL 800 PM CDT

* AT 710 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES WEST OF
PURVIS MOVING NORTHEAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
WEST HATTIESBURG AND MCLAURIN BY 720 PM CDT...
HATTIESBURG...PETAL AND MCLAURIN BY 725 PM CDT...
SUNRISE BY 730 PM CDT...
MACEDONIA BY 735 PM CDT...
OVETT BY 745 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.
Member Since: September 2, 2007 Posts: 179 Comments: 20448
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
708 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
EAST CENTRAL WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF WAYNESBORO...
SOUTHERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
NORTHWESTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITY OF THOMASVILLE...
NORTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 815 PM CDT

* AT 707 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
WAYNESBORO...OR NEAR ROBINSON JUNCTION...MOVING EAST AT 60 TO 65 MPH.

* THE TORNADO WILL BE NEAR...
SILAS AND MILLRY AROUND 720 PM CDT...
SERVICE AND COFFEEVILLE AROUND 730 PM CDT...
THOMASVILLE AROUND 750 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
Member Since: September 2, 2007 Posts: 179 Comments: 20448
Quoting Patrap:
AKA Yukon Cornelius


Now that is funny. Good un Pat!
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AKA Yukon Cornelius
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Quoting atmoaggie:
700 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
NORTHERN ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA...
SOUTHWESTERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...
THIS INCLUDES THE CITY OF PICAYUNE...

* UNTIL 745 PM CDT

* AT 655 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR FOLSOM...OR
9 MILES NORTH OF COVINGTON...MOVING EAST AT 50 MPH.


Thats you Atmo, Take cover!
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700 PM CDT MON APR 4 2011
Quick-draw McPatrap beat me to it...
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Member Since: July 15, 2006 Posts: 176 Comments: 55509

658
WFUS54 KLIX 050000
TORLIX
LAC103-MSC109-050045-
/O.NEW.KLIX.TO.W.0042.110405T0000Z-110405T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
700 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
NORTHERN ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA...
SOUTHWESTERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...
THIS INCLUDES THE CITY OF PICAYUNE...

* UNTIL 745 PM CDT

* AT 655 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR FOLSOM...OR
9 MILES NORTH OF COVINGTON...MOVING EAST AT 50 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.



LAT...LON 3070 8954 3051 8962 3050 8964 3046 8965
3046 8968 3041 8968 3038 8967 3051 9024
3070 9018 3066 8998 3066 8985 3070 8984
3070 8983
TIME...MOT...LOC 0000Z 285DEG 42KT 3059 9008




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Member Since: September 2, 2007 Posts: 179 Comments: 20448
goodbye
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They went to sub-county scale warnings...and then issue one the size of more than 3 and a half parishes/counties.

~middle, in orange:
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Helloooooo elloooo elloooo ellooo
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Member Since: July 15, 2006 Posts: 176 Comments: 55509
Quoting beell:


aggies, geez.
;- ]
What? It's because the sun went around the earth, of course!
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<
Member Since: July 15, 2006 Posts: 176 Comments: 55509
Quoting washingtonian115:
Snd that line of server weather is headed right for me.Should start to hear thunder later tonight into early tomorrow morning.
some on the way lots to go around

Member Since: July 15, 2006 Posts: 176 Comments: 55509
atmoaggie.That in a way doesn't sound okay maybe nah...no.Won't risk getting banned.Now anyway it's still warm outside.Tempetures haven't dropped rapidly I thought they would.At one sation around the area it recorded a tempeture of 87.5 degress!!.Of course no record.But something to be aware of.The local news sations underestimated the warm-up today by a long shot.
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208
WFUS54 KLIX 042347
TORLIX
LAC007-057-089-093-095-050015-
/O.NEW.KLIX.TO.W.0041.110404T2347Z-110405T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
647 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
EAST CENTRAL ASSUMPTION PARISH IN SOUTHEAST LOUISIANA...
NORTHWESTERN LAFOURCHE PARISH IN SOUTHEAST LOUISIANA...
WESTERN ST. CHARLES PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF HAHNVILLE...
SOUTHERN ST. JAMES PARISH IN SOUTHEAST LOUISIANA...
SOUTHWESTERN ST. JOHN THE BAPTIST PARISH IN SOUTHEAST LOUISIANA...

* UNTIL 715 PM CDT

* AT 646 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
SOUTHWEST OF CONVENT...OR 6 MILES EAST OF NAPOLEONVILLE...MOVING
EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW
SARPY...DESTREHAN...DES ALLEMANDS AND BOUTTE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.



LAT...LON 2997 9036 2975 9040 2986 9104 3003 9101
TIME...MOT...LOC 2347Z 278DEG 43KT 2993 9091



95/DM


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The Nexlab LA Page
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Quoting emcf30:
Storms first fatality in Shelby County TN. Was electrocuted from downed powerlines.
Snd that line of server weather is headed right for me.Should start to hear thunder later tonight into early tomorrow morning.
Member Since: August 14, 2010 Posts: 10 Comments: 17592
Member Since: July 15, 2006 Posts: 176 Comments: 55509
833. beell
Quoting atmoaggie:
Wow. It's getting really dark, here!
(hokay, that's partly mostly due to you know what.)
;-)


aggies, geez.
;- ]
Member Since: September 11, 2007 Posts: 145 Comments: 16918
Storms first fatality in Shelby County TN. Was electrocuted from downed powerlines.
Member Since: August 7, 2010 Posts: 0 Comments: 1956
I got a bad feeling about this squall Line,..itsa bad nasty un.

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Wow. It's getting really dark, here!
(hokay, that's partly mostly due to you know what.)
;-)
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<
Member Since: July 15, 2006 Posts: 176 Comments: 55509
<
Member Since: July 15, 2006 Posts: 176 Comments: 55509

734
WUUS54 KLIX 042334
SVRLIX
LAC005-007-063-089-093-095-105-050015-
/O.NEW.KLIX.SV.W.0061.110404T2334Z-110405T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
634 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
ASCENSION PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITIES OF...GONZALES...DONALDSONVILLE...
NORTHERN ASSUMPTION PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF NAPOLEONVILLE...
SOUTHEASTERN LIVINGSTON PARISH IN SOUTHEAST LOUISIANA...
NORTHWESTERN ST. CHARLES PARISH IN SOUTHEAST LOUISIANA...
ST. JAMES PARISH IN SOUTHEAST LOUISIANA...
ST. JOHN THE BAPTIST PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITIES OF...RESERVE...LAPLACE...
SOUTHERN TANGIPAHOA PARISH IN SOUTHEAST LOUISIANA...

* UNTIL 715 PM CDT

* AT 631 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS
IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM WHITEHALL TO PAINCOURTVILLE...MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CONVENT...LUTCHER...GRAMERCY...PONCHATOULA...GARYV ILLE AND EDGARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
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atmo ya gonna get a rolling squall line with some embedded bad boyz soon.







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<
Member Since: July 15, 2006 Posts: 176 Comments: 55509
x
Member Since: July 15, 2006 Posts: 176 Comments: 55509
624 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
EASTERN LIVINGSTON PARISH IN SOUTHEAST LOUISIANA...
CENTRAL TANGIPAHOA PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF HAMMOND...

* UNTIL 700 PM CDT

* AT 622 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF
LIVINGSTON...OR 15 MILES EAST OF DENHAM SPRINGS...MOVING NORTHEAST
AT 40 MPH.
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<
Member Since: July 15, 2006 Posts: 176 Comments: 55509
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647
WFUS54 KJAN 042323
TORJAN
MSC031-035-073-091-050015-
/O.NEW.KJAN.TO.W.0039.110404T2323Z-110405T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
623 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
NORTHEASTERN MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...
SOUTHEASTERN COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI...
NORTHWESTERN FORREST COUNTY IN SOUTHEAST MISSISSIPPI...
NORTHERN LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 715 PM CDT

* AT 623 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BUNKER HILL
MOVING EAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
IMPROVE BY 630 PM CDT...
SUMRALL BY 645 PM CDT...
RAWLS SPRINGS BY 655 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING
FOR SOUTHEASTERN MISSISSIPPI.



LAT...LON 3133 8992 3139 8993 3139 8982 3144 8982
3144 8958 3147 8958 3148 8939 3144 8939
3143 8938 3133 8936
TIME...MOT...LOC 2323Z 268DEG 43KT 3141 8983



DHB


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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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