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SPC - No watches are valid as of Thu Feb 23 01:16:01 UTC 2012
No watches are valid as of Thu Feb 23 01:16:01 UTC 2012.


SPC - No MDs are in effect as of Thu Feb 23 01:16:01 UTC 2012
No Mesoscale Discussions are in effect as of Thu Feb 23 01:16:01 UTC 2012.


SPC Feb 23, 2012 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook
Day 1 Outlook Thumbnail Image
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0645 PM CST WED FEB 22 2012

VALID 230100Z - 231200Z

...THERE IS A SLGT RISK OF SVR TSTMS FOR PARTS OF THE TN VALLEY AND
SRN APPALACHIANS...

...TN VALLEY...SRN APPALACHIANS...
A MARGINAL/ISOLATED SEVERE RISK SHOULD EXIST WITH ONGOING TSTM
CLUSTERS PROGRESSING EWD FROM THE TN VALLEY. DOWNSTREAM AIR MASS IS
ONLY MINIMALLY UNSTABLE WITH SURFACE DEW POINTS STILL HOLDING IN THE
40S TO MIDDLE 50S. ALTHOUGH AFTERNOON MODEL FORECAST HAVE BEEN
INSISTENT ON SUBSTANTIAL LOW-LEVEL WARM/MOIST ADVECTION
TONIGHT...THEY HAVE BEEN TOO MOIST IN COMPARISON WITH METARS AND 00Z
RAOBS WITH THE RETURN OF THE MODIFIED GULF AIR MASS. FOR
EXAMPLE...00Z JAN RAOB SAMPLED MLCAPE AROUND 500 J/KG WHILE 18Z NAM
FORECAST SOUNDINGS SUGGESTED MLCAPE OF 1500 TO 2000 J/KG SHOULD BE
PRESENT.

NEVERTHELESS...LARGE CYCLIC HODOGRAPHS /AS SAMPLED BY THE 00Z BMX
RAOB/ ARE FORECAST TO STRENGTHEN THIS EVENING...SUPPORTING
WIDESPREAD EFFECTIVE SRH AOA 250 M2/S2. GIVE AMPLE LOW/DEEP-LAYER
SHEAR...ACTIVITY MAY INTENSIFY SOMEWHAT DESPITE THE ONSET OF
NOCTURNAL COOLING. THE RELATIVELY GREATEST SEVERE THREAT SHOULD
EXIST ACROSS PARTS OF NRN AL/GA AND ERN TN INTO PERHAPS THE WRN
CAROLINAS THROUGH LATE EVENING.

...CNTRL/NERN GULF COAST...
HAVE REMOVED SEVERE PROBABILITIES GIVEN MINIMAL INSTABILITY /PER 00Z
TLH AND TBW RAOBS/ INVOF ONGOING ISOLATED TSTMS. AS THE LARGE-SCALE
WARM/MOIST ADVECTION REGIME SHIFTS NEWD AND THE LACK OF INFLUENCE BY
THE WEAK SHORT WAVE IMPULSE OVER THE TN VALLEY...TSTM REDEVELOPMENT
APPEARS UNLIKELY.

..GRAMS.. 02/23/2012

Read more




Current Weather Conditions Across The 48 Contiguous United States
Stormy weather set to move East. For more details...


Your National Forecast Summary
Midwest - However, due to the intense nature of the surface low it will continue to impact the region with strong winds, ... South - A cold front will push into the region by Wednesday morning with much of the rain unlikely to push east ... Northeast - The lone exceptions will be portions of New England and Upstate New York where a wintry mix of freezing rain, ... West - The lone exception may be the Sierra Nevada where some rain or snow showers will be possible with an upper-level ... For more details...


Video: Your 3-Day National Weather Forecast
Watch what the experts at The Weather Channel ® have to say about the weather trends in the United States for the next 3-days.


Severe Weather Alerts Across The Nation
Alabama-Alaska-Arizona-Arkansas-California-Colorado-Connecticut-Delaware-Dummy-Florida-Georgia-Hawaii-Idaho-Illinois-Indiana-Iowa-Kansas-Kentucky-Louisiana-Maine-Maryland-Massachusetts-Michigan-Minnesota-Mississippi-Missouri-Montana-Nebraska-Nevada-New Jersey-New Mexico-New York-North Carolina-North Dakota-Ohio-Oklahoma-Oregon-Pennsylvania-Puerto Rico-South Carolina-South Dakota-Tennessee-Texas-Utah-Virgin Islands-Virginia-Washington-West Virginia-Wisconsin-Wyoming. For more details...


Airport Impact Map
A visual representation of possible weather-related delays at 24 major airports across the United States including Chicago's O'Hare, Boston's Logan, Atlanta's Hartsfield-Jackson, Dallas/Fort Worth Int', and Los Angeles Int'l. For more details...


ADV: Take the Weather with You
The Weather Channel® understands that you need access to weather information on the go. Whether you're a business traveler or an avid weekend golfer, our mobile products and services will keep you prepared for anything Mother Nature has in store. For more details...


Weather & You: Our Photo Of The Day
Submitted by: MarkPerry, Photo Date: 2009-11-08 00:00:00, Photo Location: Stuart, FL




2 US helicopters join Balkan winter rescues

A U.S. helicopter sits at Podgorica airport, Montenegro, on Wednesday, ready to join rescue operations in areas of the tiny Balkan state hit by the heaviest snowfall in 60 years.Two U.S. helicopters have arrived in Montenegro to join rescue operations in the areas of the tiny Balkan state hit by the heaviest snowfall in 60 years.




Southern snowstorm leaves icy roads, power outages

Vehicles sustain damage after a chain-reaction pileup on Interstate 75 in Campbell County, Tenn., on Sunday. A day after a winter storm dumped several inches of snow on a handful of southern states, crews worked Monday to restore power to tens of thousands of customers as police responded to dozens of accidents on slippery roads.




Avalanche survivor: It was like a 'washing machine'
Three men died in an avalanche in an out-of-bounds area near a popular Washington state ski resort on Sunday, authorities said. Several other skiers who had initially been reported missing were later accounted for.


Storm dumps snow on South, knocks out power
A winter storm dumped several inches of snow across parts of the South, causing power outages, slippery roads and numerous accidents.


Texas mom, pilot killed in Colo. plane crash
A Texas mother and a pilot were killed after a private plane crashed in a snowstorm near the Colorado ski resort town of Steamboat Springs on Sunday, according to police and media reports.


Rain can't stop Mardi Gras festivities in New Orleans

Heavy rains dampened but couldn't stop Mardi Gras festivities Saturday in New Orleans.Heavy rains dampened but couldn't stop Mardi Gras festivities Saturday in New Orleans.




Levee fixes in Calif. lead to more building, risk

In this photo taken Feb. 1, Jack Robertson walks his dog on top of the levee that in times of high water keeps the San Joaquin River from flooding the half a dozen new developments that sprung up right next to the levee in Lathrop, Calif. When Jack Robertson walks his dog atop the earthen levee just blocks from his home, the San Joaquin River rushes past on one side and rows of tract houses unfold on the other.




Climate change killing mighty Alaska trees

In this 2005 photo provided by the U.S. Forest Service in Juneau, yellow cedar trees are shown in the West Chichagof?Yakobi Wilderness, north of Sitka, Alaska. Forest Service researchers say a warming climate is killing off yellow cedar. U.S. Forest Service researchers have confirmed what has long been suspected about a valuable tree in Alaska's Panhandle: climate warming is killing off yellow cedar.




Ukraine's death toll from cold spell reaches 151

People spend time in a snow-covered park in Kiev Feb. 16, 2012. Health officials say 151 people have died in the Ukraine during Eastern Europe's record-breaking cold spell, with alcohol regularly a contributing factor.




Rains soothe southern US Plains drought

The banks of Tiki Island in the middle of Medina Lake, Texas, are exposed due to receding water levels there, on Jan. 19, 2012. The lake is 52 feet down. It has not been this low in more than two decades, and the lake is expected to continue to lose a few inches every day as the 15-month drought continues. Drought loosened its grip on the southern U.S. Plains over the past week after moderate to heavy rains across Texas and surrounding states, although rainfall totals over the past six months remained below normal, according to climate experts.




Leaked: a plan to teach climate change skepticism in schools
Internal documents have been leaked from the Heartland Institute, a Chicago nonprofit think tank, showing its funding of leading scientific critics of global warming and a plan to teach climate change skepticism in schools.


Snow, ice coat the Balkans with unworldly beauty

A worker stands beside a section wrapped with ice in Kosovo's main power plant "Kosova A"  in Obilic on Tuesday, Feb. 14, 2012. Low temperatures and heavy snowfall has engulfed Kosovo for a month causing delays in traffic and forcing authorities to suspend school. Europe has been battling a deep freeze that started in late January. ( AP Photo / Visar Kryeziu )Snow as deep as 15 feet (4.5 meters) isolated areas in Romania, Moldova and Albania on Tuesday and turned a power plant in Kosovo into a park of dazzling ice sculptures.




PhotoBlog: Romania digs out from 15 feet of snow

Romania, Moldova and Albania are digging out from over a dozen feet of snow that is challenging their electrical supply and putting its citizens in dangerRomania, Moldova and Albania are digging out from over a dozen feet of snow that is challenging their electrical supply and putting its citizens in danger




Cyclone Giovanna pummels Madagascar, kills one
A category four cyclone pummels Madagascar's eastern shores, causing power shutdowns in some major towns.


Emergency food flown into stranded European towns

A Serbian police helicopter delivers food to sailors stuck on stranded boats on the Danube river near Smederevo, Serbia, on Monday. In Serbia, heavy snow continues to fall as some 50,000 people remain stranded in snowbound remote areas, some without electricity. Military planes and police helicopters flew in tons of emergency food to snowbound villages and ships in the Balkans on Monday, after blizzards so fierce that some people had to cut tunnels through 15 feet of snow to get out of their homes.




9 die in Kosovo avalanche; child survives
A five-year-old girl has been found alive in the rubble of a house flattened by a massive avalanche that killed at least nine people, including her parents, in a remote mountain village in southern Kosovo.


Wintry mix pelts south central US
The south central United States was pelted with a wintry mix of snow and freezing rain that threatened travel on Sunday, while frigid temperatures chilled the East Coast during what has been an unseasonably mild winter, forecasters said.


Heavy snow in Italy cuts off villages

A woman walks as the capsized Costa Concordia cruise ship is seen off the west coast of Italy at the snow-covered Giglio island on Saturday.Heavy snow fell across Italy on Saturday, blanketing the capital Rome, cutting off mountain villages and disrupting roads, railways and airports around the country.




PhotoBlog: Spectacular ?cloud tsunami? rolls over Florida high-rise condos

This incredible weather phenomenon only occurs in very specific conditions and pilot JR Hott captured it all with his camera in five minutes!This incredible weather phenomenon only occurs in very specific conditions and pilot JR Hott captured it all with his camera in five minutes!






It's Official...April a Wild Weather Month
  • Tornadoes
  • Floods
  • Hail
  • Drought
  • Wildfires

How many times can weather history be made in one month? I already reported on the six ways the April 2011 tornadoes broke records. Portions of Texas are still burning, while the residents along the floodplains of the Mississippi river are waiting for the flood waters to inevitably inundate their homes. The floods were caused by extreme amounts of snow in 2011, sudden melting, and the 10th wettest April on record.

...

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Mississippi River Flood Stages

The Mississippi River Flood Stages



The Southern Tornadoes: Historic and Classic

The rash of tornadoes that plowed through the South in April were both historic and classic. The storms were historic because at least six major tornado records were broken in ...

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100-Year Floods Along the Mississippi River

Mississippi River Floods

2011 has been an historic year in terms of weather. The devastating tornadoes of April are being followed by record-breaking floods along the Mississippi River in May. Over the next several weeks, flooding is not expected to dissipate. In fact, the river will continue to rise. More and more locations stand to be affected by the 100-year flooding.

...

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6 Ways the April 2011 Tornadoes Broke Records

The tornadoes of April 2011 have been devastating. One of the largest death tolls in recorded history from a tornado occurred on April 27-28, 2011. The preliminary number of deaths reported is now over 350. That makes the event #2 on the list of the top ten tornado death tolls.

...

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Death Toll Rising in Overnight Tornado

April 27, 2011 Severe WeatherThe tornado events of April 27, 2011 will go down in history. CNN.com reports at least 231 people have been found dead following the tornadoes that struck the South last night. Alabama was the hardest hit with 149 deaths confirmed so far. Across five states, the death toll is expected to rise. In the rank of the top 10 deadliest tornadoes in the United States, the tornado last night is already at the fourth largest death toll from a tornado.



Miracle Tornado Hits St. Louis Airport

The Good Friday Tornado Damage PathTornadoes are fascinating, but deadly. People watch with horror as tornadoes rip pathways miles long through neighborhoods and communities. Often, the tornadoes leave nothing but rubble in their wake. The tornadoes on Friday, April 22, 2011 was different. No one normally calls a tornado a miracle except when a large storm system causes no deaths. The National Weather Service calls the storm event the Good Friday Tornado.

...

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Major Disaster Declared for North Carolina

President Obama declared a major disaster for several counties affected by the severe weather events on April 16, 2011. The declaration means federal money for recovery efforts is available. Counties particularly affected by the disaster include Bertie, Bladen, Cumberland, Halifax, Harnett, Johnston, Lee, Onslow, Wake, and Wilson. Individuals in these counties will now have monies available from local, state, and federal resources. If you or a loved one needs to apply for assistance, visit the FEMA site to learn how to apply.

...

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Tornadoes Kill at Least 25 in NC and VA

April Tornadoes in NC and VAAt least 25 people are confirmed dead following a series of tornadoes and severe storms that ripped through North Carolina and Virginia on Saturday. Some reports indicate the death toll is 40+. The particularly strong storm system first made its way through Oklahoma before beginning a trek towards the Southern and Eastern United States. Go to the tornado image gallery to see damage photos now.



(We Love) Earth Day

Earth Day is April 22nd. It is a day to celebrate the environment and our home planet. Along with the celebrations, the Environmental Protection Agency is accepting photo submissions via Flickr for it's State of the Environment Photo collection. The collection originally started in the 1970's as a way to document the changing landscape of the world. The EPA is now going to display newly submitted photographs to add to the archive. Comparison of the 1970's  versus modern photography may have striking details to explain the state of the environment. The intent is to show the beauty of the world, and at the same time raise awareness for key environmental issues including climate change. Learn how to submit your photos here.



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