SEVERE THUNDERSTORM WATCH NUMBER 103
NWS STORM PREDICTION CENTER NORMAN OK
840 AM CST WED MAR 30 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN AND CENTRAL IOWA
SOUTHERN MINNESOTA
EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 840 AM UNTIL
200 PM CST.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES WEST OF LAMONI
IOWA TO 25 MILES EAST NORTHEAST OF MANKATO MINNESOTA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU3).
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.
DISCUSSION...STRONG SFC LOW SERN CORNER NE WILL CONTINUE ENEWD WITH
AIRMASS DESTABILIZING NWD ACROSS IA INTO SRN MN AHEAD OF LOW AND
COLD FRONT. WITH STEEP/COLD LAPSE RATES HAIL WILL BE COMMON WITH
THUNDERSTORMS NOW DEVELOPING INTO SWRN IA. LARGE HAIL AND LOCAL
DAMAGING WINDS INCREASINGLY LIKELY AS STORMS CONTINUE DEVELOPING
NEWD ALONG AND AHEAD OF COLD FRONT AND SURFACE LOW.
