Wednesday, April 25, 2007

WATCHES: Tornado Watch Number 188

WWUS20 KWNS 251849
SEL8
SPC WW 251849
LAZ000-MSZ000-260200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 188
NWS STORM PREDICTION CENTER NORMAN OK
150 PM CDT WED APR 25 2007

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

PARTS OF SOUTHEASTERN LOUISIANA
WESTERN AND CENTRAL MISSISSIPPI

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 150 PM UNTIL
900 PM CDT.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES EAST NORTHEAST OF
GREENWOOD MISSISSIPPI TO 45 MILES SOUTH SOUTHWEST OF NATCHEZ
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).

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 186...WW 187...

DISCUSSION...SFC HEATING AND CONTINUED LOW LEVEL MOISTURE INFLOW
WILL FURTHER DESTABILIZE REGION AHEAD OF EXISTING SQLN NOW
APPROACHING THE MS RVR IN AR/LA. STRONG SSWLY DEEP SHEAR
/ASSOCIATED WITH 60+ KT 500 MB SPEED MAX/ PARALLEL TO CONVECTIVE
BAND WILL PROVIDE FAVORABLE SETUP FOR EMBEDDED LEWPS/SUPERCELLS WITH
HIGH WIND...ISOLATED TORNADOES AND MARGINALLY SVR HAIL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 24035.


..CORFIDI

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write chris@lib.siu.edu.

No comments: