National Weather Service United States Department of Commerce

Strong Storm Moving Through the East; Major Weather Impacts in Hawaii and Alaska

A strengthening storm will bring high winds and snow to the Great Lakes and Northeast U.S. today. Scattered severe thunderstorms are likely into this afternoon across the ArkLaMiss vicinity. Heavy rain from a Kona Low may bring catastrophic flooding, gusty winds, and high surf to Hawaii into Tuesday. A major winter storm is impacting western Alaska with heavy snow and strong winds through today. Read More >

ZCZC SPCPWOSPC ALL
WOUS40 KWNS 272158
ALZ000-GAZ000-MSZ000-TNZ000-280200-
   
PUBLIC SEVERE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0458 PM CDT WED APR 27 2011
   
...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE GULF STATES
NORTHWARD THROUGH THE OHIO VALLEY AND EASTWARD INTO THE APPALACHIANS
THROUGH LATE EVENING...
   
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF A FEW STRONG LONG TRACK TORNADOES AND POTENTIALLY
WIDESPREAD DAMAGING WINDS  OVER PARTS OF THE GULF STATES NORTHWARD
THROUGH THE OHIO VALLEY AND EASTWARD INTO THE APPALACHIANS THROUGH
LATE EVENING.
   
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
   
       CENTRAL AND NORTHERN ALABAMA
       NORTHWEST GEORGIA
       NORTHEAST MISSISSIPPI
       SOUTHERN TENNESSEE   
 
A DANGEROUS SEVERE WEATHER OUTBREAK IS UNDERWAY ACROSS THE CENTRAL
GULF STATES INTO PORTIONS OF THE TENNESSEE AND LOWER OHIO VALLEY. 
AS A STRONG WEATHER DISTURBANCE MOVES NORTHEASTWARD OUT OF THE OZARK
PLATEAU REGION TOWARD THE GREAT LAKES THIS EVENING...AN UNSTABLE AIR
MASS AND STRONG WIND FIELDS WILL CONTINUE TO SUPPORT LONG LIVED
SUPERCELL STORMS CAPABLE OF PRODUCING STRONG TORNADOES...AND
ORGANIZED STORM CLUSTERS CAPABLE OF PRODUCING STRONG DAMAGING WINDS.
THE SEVERE WEATHER THREAT IS EXPECTED TO PERSIST AFTER DARK THROUGH
AT LEAST LATE EVENING...SPREADING NORTHWARD TOWARD THE UPPER OHIO
VALLEY...AND EASTWARD INTO THE APPALACHIANS.
   
STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS POTENTIALLY
VERY DANGEROUS SITUATION. THOSE IN THE THREATENED AREA ARE URGED TO
REVIEW SEVERE WEATHER SAFETY RULES AND TO LISTEN TO
RADIO...TELEVISION...AND NOAA WEATHER RADIO FOR POSSIBLE
WATCHES...WARNINGS...AND STATEMENTS LATER TODAY.
   
..KERR.. 04/27/2011
   
$$