ABC 33/40 EWARN: Severe Weather Watch Notice

From ABC 33/40 E-Warn :

WWUS20 KWNS 202359
SEL0
SPC WW 202359
ALZ000-ARZ000-MSZ000-TNZ000-210600-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 370
NWS STORM PREDICTION CENTER NORMAN OK
700 PM CDT SAT MAY 20 2006

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

EXTREME NORTHWEST ALABAMA
NORTHEAST ARKANSAS
EXTREME NORTHERN MISSISSIPPI
SOUTHERN PORTIONS OF WESTERN AND MIDDLE TENNESSEE

EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 700 PM
UNTIL 100 AM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTHWEST
OF JONESBORO ARKANSAS TO 45 MILES EAST NORTHEAST OF MUSCLE SHOALS
ALABAMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 366...WW 367...WW
368...WW 369...

DISCUSSION...SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG
A SLOW MOVING FRONT ACROSS NE AR AND TN. MODERATE INSTABILITY AND A
LOCAL WEAKNESS IN THE CAP ARE PRESENT ALONG THE BOUNDARY...WHILE THE
MORE FAVORABLE VERTICAL SHEAR FOR ORGANIZED SEVERE STORMS IS ALSO
FOCUSED IN A NARROW CORRIDOR NEAR THE FRONT. LARGE HAIL AND
DAMAGING WINDS WILL BE POSSIBLE WITH THE STRONGEST STORMS...WHILE
STORM COVERAGE COULD INCREASE DURING THE EVENING IN ASSOCIATION WITH
A MID LEVEL WAVE MOVING TOWARD THE LOWER OH VALLEY.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 28020.

...THOMPSON

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