Archive for June 8th, 2008
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 494
NWS STORM PREDICTION CENTER NORMAN OK
805 PM CDT SUN JUN 8 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
A LARGE PART OF NORTHERN INTO CENTRAL ILLINOIS
SMALL PART OF NORTHWEST INDIANA
SMALL PART OF SOUTHEAST WISCONSIN
LAKE MICHIGAN
EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 805 PM UNTIL
100 AM CDT.
TORNADOES...HAIL TO 2 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 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES EAST NORTHEAST OF
RACINE WISCONSIN TO 30 MILES SOUTH SOUTHEAST OF PEORIA ILLINOIS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU4).
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 489...WW 490...WW
491...WW 492...WW 493...
DISCUSSION...LINE OF SEVERE THUNDERSTORMS FROM SWRN WI INTO SERN IA
WITH EMBEDDED SUPERCELLS WILL CONTINUE RAPIDLY ENEWD ACROSS WATCH.
A POOLED VERY UNSTABLE AIR MASS RESIDES NERN IL ALONG RETREATING
BOUNDARY AND WILL FOCUS ENHANCED SHEAR AND POTENTIAL FOR SUPERCELL
TORNADOES. PRIMARY THREAT WILL CONTINUE TO BE VERY STRONG/DAMAGING
WINDS.
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 485
NWS STORM PREDICTION CENTER NORMAN OK
950 AM CDT SUN JUN 8 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EXTREME EASTERN IOWA
NORTHERN ILLINOIS
SOUTHEAST WISCONSIN
LAKE MICHIGAN
EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 950 AM UNTIL 300
PM CDT.
HAIL TO 1.5 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 55
STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES WEST OF
MARSEILLES ILLINOIS TO 45 MILES NORTH NORTHEAST OF MILWAUKEE
WISCONSIN. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
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...LINE OF THUNDERSTORMS OVER SOUTHERN WI/NORTHWEST IL IS
INTENSIFYING AGAIN AS IS MOVES EASTWARD AT 40+ KNOTS. THREAT FOR
LOCALLY DAMAGING WINDS WILL LIKELY INCREASE AS IT MOVES TOWARDS THE
SHORES OF LAKE MI THIS MORNING.