Friday, April 10, 2009

Tornado Watch, NW Alabama, Until 9 a.m.


   URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 130
NWS STORM PREDICTION CENTER NORMAN OK
145 AM CDT FRI APR 10 2009

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

NORTHWEST AND WEST CENTRAL ALABAMA
CENTRAL AND EASTERN MISSISSIPPI

EFFECTIVE THIS FRIDAY MORNING FROM 145 AM UNTIL 900 AM CDT.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHWEST OF MUSCLE
SHOALS ALABAMA TO 30 MILES EAST SOUTHEAST OF JACKSON MISSISSIPPI.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

OTHER WATCH INFORMATION...CONTINUE...WW 127...WW 128...WW 129...

DISCUSSION...WIND PROFILES SUPPORTIVE OF SUPERCELLS WITH LOW-LVL
ROTATION WILL PERSIST/OVERSPREAD WW LATER THIS MORNING ON SERN
FRINGE OF STRONG VORT MAX EJECTING ENE ACROSS NRN AR. RECOVERING
BOUNDARY LAYER /REF MCD 423/ AND EXISTING SEMI-DISCRETE STORMS W OF
WW FURTHER SUGGEST POTENTIAL FOR ISOLD TORNADOES IN ADDITION TO SVR
WIND/HAIL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 27050.


...CORFIDI

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