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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 361

NWS STORM PREDICTION CENTER NORMAN OK

300 PM MDT WED JUN 6 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHEAST COLORADO

       THE NEBRASKA PANHANDLE

       SOUTHEAST WYOMING



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 300 PM UNTIL

900 PM MDT.



TORNADOES...HAIL TO 2 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 20 MILES NORTHWEST OF CHADRON

NEBRASKA TO 45 MILES WEST SOUTHWEST OF LIMON COLORADO.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU1).



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...STORMS ARE BEGINNING TO DEVELOP ALONG THE WRN EDGE OF

DEEPER MOISTURE OVER THE SERN WY/NEB PANHANDLE BORDER REGION...AND

ALONG A CONVERGENCE LINE OVER NERN CO.  BOTH BOUNDARIES ARE MOVING

NWWD ACCORDING TO SATELLITE/RADAR DATA...SUGGESTING STORM THREAT MAY

GRADUALLY DEVELOP WWD WHERE STRONGER SSWLY WINDS ALOFT ARE LOCATED.

STEEP LAPSE RATES AND STRONG HEATING WILL PROMOTE FORMATION OF LARGE

HAIL WITH MORE INTENSE CELLS...WITH STRONG WIND GUSTS ALSO POSSIBLE.

 THERE IS ALSO POTENTIAL FOR SEVERAL TORNADOES TO

DEVELOP...ESPECIALLY LONG THE DENVER CONVERGENCE ZONE IN NERN CO.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

450. MEAN STORM MOTION VECTOR 20020.





...WEISS

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