Severe thunderstorm Watch for Eastern Nebr/West Ia

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IAZ000-NEZ000-210400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 96
NWS STORM PREDICTION CENTER NORMAN OK
625 PM CDT TUE APR 20 2004


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


SOUTHWEST IOWA
EASTERN NEBRASKA


EFFECTIVE THIS TUESDAY EVENING FROM 625 PM UNTIL 1100 PM CDT.


HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.


THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 45 MILES WEST NORTHWEST OF NORFOLK
NEBRASKA TO 50 MILES EAST SOUTHEAST OF OMAHA NEBRASKA.


REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.


OTHER WATCH INFORMATION...CONTINUE...WW 93...WW 94...WW 95...


DISCUSSION...INTENSE THUNDERSTORMS MOVING RAPIDLY ESE/SE ACROSS ERN
NEB. MARGINALLY UNSTABLE AIRMASS COUPLED WITH STEEP LAPSE RATES
SUPPORT WIND DAMAGE AND LARGE HAIL AS STORMS CONTINUE TOWARD SERN
NE/OMA AREA.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 27040.


...HALES


;430,0981 415,0950 400,0950 412,0981;