Tornado Watch 340

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 340
NWS STORM PREDICTION CENTER NORMAN OK
1240 PM MDT FRI MAY 23 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF NORTHEAST COLORADO
MUCH OF NEBRASKA PANHANDLE
PARTS OF EASTERN WYOMING
EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL
700 PM MDT.
TORNADOES...HAIL TO 3 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 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH NORTHEAST OF
DOUGLAS WYOMING TO 25 MILES WEST SOUTHWEST OF AKRON COLORADO.
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.
DISCUSSION...VERY STRONG VEERING SHEAR PROFILES E OF HIGHER TERRAIN
IN SERN WY/NERN CO WITH INCREASINGLY MOIST SELY FLOW. WITH LITTLE
REMAINING CINH...THUNDERSTORMS EXPECTED TO INCREASE RAPIDLY IN
NUMBER/INTENSITY. SUPERCELLS WILL DEVELOP WITH ASSOCIATED VERY
LARGE HAIL AND POSSIBLE TORNADOES AS THEY MOVE QUICKLY N ACROSS
WATCH AREA.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 18040.
...HALES