ABC 33/40 EWARN: Severe Weather Watch Notice

From ABC 33/40 E-Warn :

WWUS20 KWNS 181833
SEL2
SPC WW 181833
ALZ000-ARZ000-ILZ000-INZ000-KYZ000-MOZ000-MSZ000-TNZ000-190400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 722
NWS STORM PREDICTION CENTER NORMAN OK
135 PM CDT THU OCT 18 2007

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

PART OF NORTHERN ALABAMA
PARTS OF NORTHEAST ARKANSAS
PARTS OF SOUTHERN ILLINOIS
SMALL PART OF SOUTHERN INDIANA
WESTERN KENTUCKY
PARTS OF SOUTHEAST MISSOURI
NORTHERN MISSISSIPPI
WESTERN AND PARTS OF MIDDLE TENNESSEE

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 135 PM UNTIL
1100 PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 120 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTHEAST OF
GREENWOOD MISSISSIPPI TO 45 MILES NORTH NORTHEAST OF EVANSVILLE
INDIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

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.

DISCUSSION...BROAD WARM SECTOR ACROSS LOWER MS/TN VALLEY HAS BECOME
MDTLY UNSTABLE AND WEAKLY CAPPED. WITH STRONG DEEP LAYER SHEAR
ACROSS THE WATCH AREA...THUNDERSTORMS EXPECTED TO INCREASE IN NUMBER
AND INTENSITY REMAINDER OF AFTERNOON. SUPERCELLS INCLUDING
TORNADOES WILL BE LIKELY GIVEN THE STRONG SHEAR IN PLACE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 22035.

...HALES

E-Warn is a free public service from the ABC 33/40 Weather Center
and Alagasco...For Reliability, Comfort, and Convenience Natural Gas has
the Home Advantage.

To sign up for other ABC 33/40 E-Warn products, or to unsubscribe, go here:
http://www.jamesspann.com/ewarnmain.html