Saturday, May 24, 2008

Tornado Watch 354

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 354
NWS STORM PREDICTION CENTER NORMAN OK
805 PM CDT SAT MAY 24 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN MINNESOTA
EASTERN NORTH DAKOTA
EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 805 PM
UNTIL 100 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 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF HALLOCK
MINNESOTA TO 65 MILES SOUTH OF FARGO NORTH DAKOTA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
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 348
...
WW 349
...
WW
350
...
WW 351
...
WW 352
...
WW 353
...
DISCUSSION...BROKEN BAND OF TSTMS WITH EMBEDDED SUPERCELLS INVOF ABR
EXPECTED TO CONTINUE MOVING/DEVELOPING NNEWD THIS EVENING...IN EXIT
REGION OF FAST MOVING JET STREAK. ALTHOUGH LOW-LEVEL THERMAL
ENVIRONMENT WILL REMAIN MARGINAL FOR TORNADOES...PRESENCE OF
EXISTING LOW-LEVEL CIRCULATIONS AND NEWD MOTION OF FAVORABLE DEEP
WIND FIELD/ZONE OF ASCENT WITH JET STREAK SUGGEST A CONTINUED THREAT
FOR TORNADOES IN ADDITION BOWING SEGMENTS WITH HIGH 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 21035.
...CORFIDI

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