WWUS9 KMKC 091727
SEL7
MKC WW 091720
MIZ000-WIZ000-LMZ000-LHZ000-100100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 667
STORM PREDICTION CENTER NORMAN OK
120 PM EDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN UPPER MICHIGAN
NORTHERN LOWER MICHIGAN
NORTHEAST AND EAST CENTRAL WISCONSIN
NORTHERN LAKE MICHIGAN
EXTREME NORTHWEST LAKE HURON
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 145 PM UNTIL 900
PM EDT.
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 105 STATUTE MILES
EAST AND WEST OF A LINE FROM 25 MILES EAST OF MANITOWOC WISCONSIN
TO 65 MILES NORTH NORTHEAST OF PELLSTON MICHIGAN.
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 INTENSIFYING NEAR THE COLD FRONT
MOVING EWD ACROSS NRN WISCONSIN AND SOUTH CENTRAL UPPER MICHIGAN.
STORMS ARE EXPECTED TO CONTINUE DEVELOPING NEAR THE FRONT THIS
AFTERNOON AS IT MOVES INTO VERY MOIST/UNSTABLE AIR MASS WITH MLCAPE
TO 3000 J/KG. STRONG WESTERLY WINDS ALOFT /40-50 KT IN THE MID
LEVELS/ ASSOCIATED WITH UPPER SHORT WAVE TROUGH MOVING EWD ACROSS
THE UPPER GREAT LAKES WILL ENHANCE SEVERE POTENTIAL...WITH
OCCASIONAL BOW ECHOES DEVELOPING. DAMAGING WIND GUSTS AND HAIL
WILL BE THE PRIMARY THREATS.
ADDITIONAL WATCHES...PARTS OF SRN WI INTO NERN IA/NRN IL/SWRN LOWER
MI ARE BEING MONITORED FOR SEVERE POTENTIAL AND POSSIBLE WW LATER
THIS AFTERNOON.
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 550. MEAN STORM
MOTION VECTOR 27035.
...WEISS
;440,0891 462,0862 462,0820 440,0850;
000
WWUS9 KMKC 091727
SEL7
MKC WW 091720
MIZ000-WIZ000-LMZ000-LHZ000-100100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 667
STORM PREDICTION CENTER NORMAN OK
120 PM EDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN UPPER MICHIGAN
NORTHERN LOWER MICHIGAN
NORTHEAST AND EAST CENTRAL WISCONSIN
NORTHERN LAKE MICHIGAN
EXTREME NORTHWEST LAKE HURON
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 145 PM UNTIL 900
PM EDT.
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 105 STATUTE MILES
EAST AND WEST OF A LINE FROM 25 MILES EAST OF MANITOWOC WISCONSIN
TO 65 MILES NORTH NORTHEAST OF PELLSTON MICHIGAN.
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 INTENSIFYING NEAR THE COLD FRONT
MOVING EWD ACROSS NRN WISCONSIN AND SOUTH CENTRAL UPPER MICHIGAN.
STORMS ARE EXPECTED TO CONTINUE DEVELOPING NEAR THE FRONT THIS
AFTERNOON AS IT MOVES INTO VERY MOIST/UNSTABLE AIR MASS WITH MLCAPE
TO 3000 J/KG. STRONG WESTERLY WINDS ALOFT /40-50 KT IN THE MID
LEVELS/ ASSOCIATED WITH UPPER SHORT WAVE TROUGH MOVING EWD ACROSS
THE UPPER GREAT LAKES WILL ENHANCE SEVERE POTENTIAL...WITH
OCCASIONAL BOW ECHOES DEVELOPING. DAMAGING WIND GUSTS AND HAIL
WILL BE THE PRIMARY THREATS.
ADDITIONAL WATCHES...PARTS OF SRN WI INTO NERN IA/NRN IL/SWRN LOWER
MI ARE BEING MONITORED FOR SEVERE POTENTIAL AND POSSIBLE WW LATER
THIS AFTERNOON.
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 550. MEAN STORM
MOTION VECTOR 27035.
...WEISS
;440,0891 462,0862 462,0820 440,0850;
000
WWUS9 KMKC 092017
SEL8
MKC WW 092012
MIZ000-LMZ000-LHZ000-100300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 668
STORM PREDICTION CENTER NORMAN OK
412 PM EDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND SOUTHERN LOWER MICHIGAN
CENTRAL AND SOUTHERN LAKE MICHIGAN
CENTRAL ANS SOUTHERN LAKE HURON
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 445 PM UNTIL
1100 PM EDT.
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 70 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 35 MILES WEST SOUTHWEST OF MUSKEGON
MICHIGAN TO 40 MILES EAST SOUTHEAST OF OSCODA MICHIGAN.
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 667...
DISCUSSION...STRONG/SEVERE THUNDERSTORMS ARE CROSSING LAKE MICHIGAN
AND ARE EXPECTED TO MOVE ONSHORE INTO WEST CENTRAL LOWER MICHIGAN
DURING THE NEXT HOUR. STORMS ARE EXHIBITING BOW ECHO STRUCTURES
SUGGESTING ENHANCED POTENTIAL FOR DAMAGING WIND GUSTS. AIR MASS
OVER LOWER MICHIGAN IS MODERATELY UNSTABLE WITH MLCAPE TO 2000
J/KG...AND 30-40 KT WESTERLY MID LEVEL FLOW IS SUFFICIENT TO
MAINTAIN THREAT FOR SEVERE STORMS INTO THE EVENING HOURS.
ADDITIONAL WATCHES...PARTS OF SRN WISCONSIN ARE BEING MONITORED FOR
POSSIBLE WW.
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 550. MEAN STORM
MOTION VECTOR 27030.
...WEISS
;435,0865 451,0823 431,0823 415,0865;
000
WWUS9 KMKC 092017
SEL8
MKC WW 092012
MIZ000-LMZ000-LHZ000-100300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 668
STORM PREDICTION CENTER NORMAN OK
412 PM EDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND SOUTHERN LOWER MICHIGAN
CENTRAL AND SOUTHERN LAKE MICHIGAN
CENTRAL ANS SOUTHERN LAKE HURON
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 445 PM UNTIL
1100 PM EDT.
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 70 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 35 MILES WEST SOUTHWEST OF MUSKEGON
MICHIGAN TO 40 MILES EAST SOUTHEAST OF OSCODA MICHIGAN.
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 667...
DISCUSSION...STRONG/SEVERE THUNDERSTORMS ARE CROSSING LAKE MICHIGAN
AND ARE EXPECTED TO MOVE ONSHORE INTO WEST CENTRAL LOWER MICHIGAN
DURING THE NEXT HOUR. STORMS ARE EXHIBITING BOW ECHO STRUCTURES
SUGGESTING ENHANCED POTENTIAL FOR DAMAGING WIND GUSTS. AIR MASS
OVER LOWER MICHIGAN IS MODERATELY UNSTABLE WITH MLCAPE TO 2000
J/KG...AND 30-40 KT WESTERLY MID LEVEL FLOW IS SUFFICIENT TO
MAINTAIN THREAT FOR SEVERE STORMS INTO THE EVENING HOURS.
ADDITIONAL WATCHES...PARTS OF SRN WISCONSIN ARE BEING MONITORED FOR
POSSIBLE WW.
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 550. MEAN STORM
MOTION VECTOR 27030.
...WEISS
;435,0865 451,0823 431,0823 415,0865;
000
WWUS9 KMKC 092053
SEL9
MKC WW 092047
WIZ000-LMZ000-100200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 669
STORM PREDICTION CENTER NORMAN OK
347 PM CDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHERN WISCONSIN
SOUTHERN LAKE MICHIGAN
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 430 PM UNTIL 900
PM CDT.
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 ALONG AND 80 STATUTE MILES
EAST AND WEST OF A LINE FROM 25 MILES EAST SOUTHEAST OF JANESVILLE
WISCONSIN TO 70 MILES NORTH OF MILWAUKEE WISCONSIN.
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 667...WW 668...
DISCUSSION...SATELLITE AND RADAR SHOW CONVECTION BEGINNING TO
DEVELOP ALONG THE COLD FRONT AS IT MOVES SEWD INTO SRN WI. AIR
MASS AHEAD OF THE FRONT IS VERY MOIST/UNSTABLE WITH MLCAPE OF 2500-
3500 J/KG. VAD WINDS AND BLR PROFILER SHOW 30-40 KT WESTERLY FLOW
IN THE MID LEVELS PROVIDING SUFFICIENT DEEP LAYER SHEAR FOR
ORGANIZED SEVERE STORMS TO DEVELOP. ACTIVITY IS EXPECTED TO
INTENSIFY DURING THE NEXT 1-2 HOURS WITH PRIMARY THREAT FOR
DAMAGING WIND GUSTS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27030.
...WEISS
;435,0861 422,0870 422,0900 435,0893;
000
WWUS9 KMKC 092053
SEL9
MKC WW 092047
WIZ000-LMZ000-100200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 669
STORM PREDICTION CENTER NORMAN OK
347 PM CDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHERN WISCONSIN
SOUTHERN LAKE MICHIGAN
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 430 PM UNTIL 900
PM CDT.
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 ALONG AND 80 STATUTE MILES
EAST AND WEST OF A LINE FROM 25 MILES EAST SOUTHEAST OF JANESVILLE
WISCONSIN TO 70 MILES NORTH OF MILWAUKEE WISCONSIN.
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 667...WW 668...
DISCUSSION...SATELLITE AND RADAR SHOW CONVECTION BEGINNING TO
DEVELOP ALONG THE COLD FRONT AS IT MOVES SEWD INTO SRN WI. AIR
MASS AHEAD OF THE FRONT IS VERY MOIST/UNSTABLE WITH MLCAPE OF 2500-
3500 J/KG. VAD WINDS AND BLR PROFILER SHOW 30-40 KT WESTERLY FLOW
IN THE MID LEVELS PROVIDING SUFFICIENT DEEP LAYER SHEAR FOR
ORGANIZED SEVERE STORMS TO DEVELOP. ACTIVITY IS EXPECTED TO
INTENSIFY DURING THE NEXT 1-2 HOURS WITH PRIMARY THREAT FOR
DAMAGING WIND GUSTS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27030.
...WEISS
;435,0861 422,0870 422,0900 435,0893;
000
WWUS9 KMKC 092300
SEL7
MKC WW 092259
MIZ000-WIZ000-LMZ000-LHZ000-100100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH CANCELLATION - NUMBER 667
STORM PREDICTION CENTER NORMAN OK
659 PM EDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS CANCELLED
SEVERE THUNDERSTORM WATCH NUMBER 667 ISSUED AT 120 PM EDT FOR
PORTIONS OF
EASTERN UPPER MICHIGAN
NORTHERN LOWER MICHIGAN
NORTHEAST AND EAST CENTRAL WISCONSIN
NORTHERN LAKE MICHIGAN
EXTREME NORTHWEST LAKE HURON
...THOMPSON
000
WWUS9 KMKC 092300
SEL7
MKC WW 092259
MIZ000-WIZ000-LMZ000-LHZ000-100100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH CANCELLATION - NUMBER 667
STORM PREDICTION CENTER NORMAN OK
659 PM EDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS CANCELLED
SEVERE THUNDERSTORM WATCH NUMBER 667 ISSUED AT 120 PM EDT FOR
PORTIONS OF
EASTERN UPPER MICHIGAN
NORTHERN LOWER MICHIGAN
NORTHEAST AND EAST CENTRAL WISCONSIN
NORTHERN LAKE MICHIGAN
EXTREME NORTHWEST LAKE HURON
...THOMPSON
000
WWUS9 KMKC 100105
SEL9
MKC WW 100104
WIZ000-LMZ000-100200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH CANCELLATION - NUMBER 669
STORM PREDICTION CENTER NORMAN OK
804 PM CDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS CANCELLED
SEVERE THUNDERSTORM WATCH NUMBER 669 ISSUED AT 347 PM CDT FOR
PORTIONS OF
SOUTHERN WISCONSIN
SOUTHERN LAKE MICHIGAN
...THOMPSON
000
WWUS9 KMKC 100105
SEL9
MKC WW 100104
WIZ000-LMZ000-100200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH CANCELLATION - NUMBER 669
STORM PREDICTION CENTER NORMAN OK
804 PM CDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS CANCELLED
SEVERE THUNDERSTORM WATCH NUMBER 669 ISSUED AT 347 PM CDT FOR
PORTIONS OF
SOUTHERN WISCONSIN
SOUTHERN LAKE MICHIGAN
...THOMPSON
000
WWUS9 KMKC 100201
SEL8
MKC WW 100200
MIZ000-LMZ000-LHZ000-100300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH CANCELLATION - NUMBER 668
STORM PREDICTION CENTER NORMAN OK
1000 PM EDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS CANCELLED
SEVERE THUNDERSTORM WATCH NUMBER 668 ISSUED AT 412 PM EDT FOR
PORTIONS OF
CENTRAL AND SOUTHERN LOWER MICHIGAN
CENTRAL AND SOUTHERN LAKE MICHIGAN
CENTRAL AND SOUTHERN LAKE HURON
...THOMPSON
000
WWUS9 KMKC 100201
SEL8
MKC WW 100200
MIZ000-LMZ000-LHZ000-100300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH CANCELLATION - NUMBER 668
STORM PREDICTION CENTER NORMAN OK
1000 PM EDT THU AUG 9 2001
THE STORM PREDICTION CENTER HAS CANCELLED
SEVERE THUNDERSTORM WATCH NUMBER 668 ISSUED AT 412 PM EDT FOR
PORTIONS OF
CENTRAL AND SOUTHERN LOWER MICHIGAN
CENTRAL AND SOUTHERN LAKE MICHIGAN
CENTRAL AND SOUTHERN LAKE HURON
...THOMPSON