Post by James on Oct 18, 2007 23:09:42 GMT -5
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 727
NWS STORM PREDICTION CENTER NORMAN OK
1150 PM EDT THU OCT 18 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN LOWER MICHIGAN
LAKE ERIE
LAKE HURON
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1150 PM
UNTIL 600 AM EDT.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES EAST NORTHEAST OF BAD
AXE MICHIGAN TO 40 MILES SOUTH SOUTHEAST OF JACKSON MICHIGAN.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU7).
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 722...WW 724...WW
725...WW 726...
DISCUSSION...SUPERCELL STORMS CONTINUE TO AFFECT PARTS OF EASTERN
LOWER MI. THESE STORMS WILL PERSIST FOR SEVERAL MORE HOURS...IN
REGION OF VERY FAVORABLE VERTICAL SHEAR AND SUFFICIENT INSTABILITY.
DAMAGING WINDS AND ISOLATED TORNADOES WILL REMAIN A RISK THROUGH THE
EARLY MORNING HOURS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.
TORNADO WATCH NUMBER 727
NWS STORM PREDICTION CENTER NORMAN OK
1150 PM EDT THU OCT 18 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN LOWER MICHIGAN
LAKE ERIE
LAKE HURON
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1150 PM
UNTIL 600 AM EDT.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES EAST NORTHEAST OF BAD
AXE MICHIGAN TO 40 MILES SOUTH SOUTHEAST OF JACKSON MICHIGAN.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU7).
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 722...WW 724...WW
725...WW 726...
DISCUSSION...SUPERCELL STORMS CONTINUE TO AFFECT PARTS OF EASTERN
LOWER MI. THESE STORMS WILL PERSIST FOR SEVERAL MORE HOURS...IN
REGION OF VERY FAVORABLE VERTICAL SHEAR AND SUFFICIENT INSTABILITY.
DAMAGING WINDS AND ISOLATED TORNADOES WILL REMAIN A RISK THROUGH THE
EARLY MORNING HOURS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.