URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH
NWS STORM PREDICTION CENTER NORMAN OK
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL IOWA
EFFECTIVE THIS AFTERNOON AND EVENING
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 40
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF
MASON CITY IOWA TO 25 MILES WEST SOUTHWEST OF LAMONI IOWA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE.
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...THUNDERSTORMS ARE FORECAST TO INCREASE IN COVERAGE
ACROSS CENTRAL IA THIS AFTERNOON AND EVENING...ALONG AND AHEAD OF
SURFACE BOUNDARY. MODERATE INSTABILITY AND RATHER STRONG WINDS
ALOFT WILL HELP ORGANIZE STORMS WITH A RISK OF LARGE HAIL AND
DAMAGING WINDS.
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH
NWS STORM PREDICTION CENTER NORMAN OK
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST IOWA
EASTERN MINNESOTA
WESTERN WISCONSIN
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING
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 45
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST
NORTHWEST OF KENNEDY WISCONSIN TO 60 MILES SOUTH SOUTHWEST OF
ROCHESTER MINNESOTA.
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...SCATTERED THUNDERSTORMS CONTINUE TO INTENSIFY ALONG
SURFACE BOUNDARY ACROSS EASTERN MN. GIVEN THE AMOUNT OF
BULK SHEAR A FEW OF THESE SFC BASED CELLS MAY PRODUCE AN ISOLATED
TORNADO OR TWO ACROSS PORTIONS OF
E MINN AND W WISC THROUGHOUT THE PERIOD ALTHOUGH THE
MAIN RISK BEING LARGE HAIL/DAMAGING WIND. THIS ACTIVITY WILL LIKELY
PERSIST THROUGH THE EVENING HOURS WITH A CONTINUED RISK OF LARGE
HAIL AND DAMAGING WINDS AS STORMS PASS THROUGH LOW LEVEL THETA-E
AXIS.