Particularly Dangerous Situation! Tornado Watch 461

Particularly Dangerous Situation!
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 461
NWS STORM PREDICTION CENTER NORMAN OK
1055 AM CDT THU JUN 5 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN IOWA
NORTH CENTRAL KANSAS
CENTRAL AND EASTERN NEBRASKA
EXTREME SOUTHEAST SOUTH DAKOTA
EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 1055 AM UNTIL
700 PM CDT.
THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 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 115 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
BROKEN BOW NEBRASKA TO 25 MILES EAST SOUTHEAST OF DENISON IOWA.
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.
OTHER WATCH INFORMATION...CONTINUE...
WW 458
...
WW 459
...
WW 460
...
DISCUSSION...SCATTERED TO NUMEROUS SEVERE THUNDERSTORMS ARE EXPECTED
TO DEVELOP THROUGH THE EARLY-MID AFTERNOON HOURS ACROSS PORTIONS OF
EASTERN NEB...SPREADING INTO WESTERN IA AND SOUTHEAST SD. STRONG
LOW LEVEL VERTICAL SHEAR PROFILES...AMPLE MOISTURE/INSTABILITY...AND
PRESENCE OF MULTIPLE SURFACE BOUNDARIES WILL POSE A RISK OF
SUPERCELLS CAPABLE OF STRONG TORNADOES. VERY LARGE HAIL AND
DAMAGING WINDS WILL ALSO BE A CONCERN.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24040.
...HART