MKC WW 021636
NYZ000-PAZ000-LOZ000-LEZ000-022200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 638
STORM PREDICTION CENTER NORMAN OK
1236 PM EDT WED AUG 2 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN NEW YORK
NORTHWESTERN PENNSYLVANIA
LAKE ONTARIO
LAKE ERIE
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 100 PM UNTIL
600 PM EDT.
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 55 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTHWEST OF ERIE
PENNSYLVANIA TO 30 MILES NORTH NORTHEAST OF UTICA NEW YORK.
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.
DISCUSSION...LINE THUNDERSTORMS DEVELOPING ACROSS ERN LE AHEAD OF
MID LEVEL VORT MAX MOVING THRU SRN LWR MI. WITH MODERATELY
UNSTABLE AIRMASS IN PLACE ACROSS WRN NY/NWRN PA AND ENHANCED
VERTICAL MOTION AND SHEAR ASSOCIATED WITH APPROACHING VORT
MAX...STORMS EXPECTED TO INTENSIFY WITH PRIMARY SEVERE MODE TO BE
DAMAGING WINDS AND MARGINALLY SEVERE HAIL AS THEY MOVE INTO WRN
NY/NWRN PA.
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 25030.
...HALES
;423,0803 442,0750 424,0750 410,0803;
NNNN
ZCZC MKCSEL9 ALL 030100;430,1054 455,1045 455,1012 430,1022;
WWUS9 KMKC 021846
MKC WW 021846
MTZ000-SDZ000-WYZ000-030100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 639
STORM PREDICTION CENTER NORMAN OK
146 PM CDT WED AUG 2 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST MONTANA
WESTERN SOUTH DAKOTA
NORTHEAST WYOMING
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 215 PM UNTIL
800 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 85 STATUTE MILES
EAST AND WEST OF A LINE FROM 85 MILES SOUTHWEST OF RAPID CITY SOUTH
DAKOTA TO 45 MILES NORTH NORTHEAST OF REDIG SOUTH DAKOTA.
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.
OTHER WATCH INFORMATION... CONTINUE...WW 638...
DISCUSSION...THUNDERSTORMS OVER SERN MT EXPECTED TO INTENSIFY INTO
WRN SD/NERN WY NEXT FEW HOURS AS THEY INTO MORE FAVORABLE TIME OF
DAY ALONG WITH STRONG SHEAR PROFILES AND MODERATE INSTABILITY.
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 550. MEAN STORM
MOTION VECTOR 31030.
...HALES
;430,1054 455,1045 455,1012 430,1022;
NNNN
ZCZC MKCSEL0 ALL 030200;485,1011 455,1001 455,1035 485,1050;
WWUS9 KMKC 021932
MKC WW 021932
MTZ000-NDZ000-030200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 640
STORM PREDICTION CENTER NORMAN OK
232 PM CDT WED AUG 2 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN MONTANA
WESTERN NORTH DAKOTA
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 300 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 85 STATUTE MILES
EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHEAST OF WILLISTON
NORTH DAKOTA TO 5 MILES EAST SOUTHEAST OF LEMMON SOUTH DAKOTA.
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.
OTHER WATCH INFORMATION... CONTINUE...WW 638...WW 639...
DISCUSSION...STORMS EXPECTED TO INTENSIFY RAPIDLY INTO WRN ND AS
S/WV TROUGH APPROACHES FROM THE WEST. WITH MODERATE INSTABILITY
AND FAVORABLE SHEAR PROFILES...SEVERE THUNDERSTORM WILL DEVELOP
WITH POTENTIAL FOR ISOLATED SUPERCELLS ENHANCING SEVERE POTENTIAL.
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 550. MEAN STORM
MOTION VECTOR 32025.
...HALES
;485,1011 455,1001 455,1035 485,1050;
NNNN
ZCZC MKCSEL1 ALL 030500;430,1020 410,1015 410,1043 430,1045;
WWUS9 KMKC 022303
MKC WW 022303
NEZ000-WYZ000-030500-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 641
STORM PREDICTION CENTER NORMAN OK
503 PM MDT WED AUG 2 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN NEBRASKA
EASTERN WYOMING
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 530 PM UNTIL
1100 PM MDT.
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 70 STATUTE MILES
EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF CHADRON NEBRASKA
TO 15 MILES WEST SOUTHWEST OF SIDNEY NEBRASKA.
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.
OTHER WATCH INFORMATION...CONTINUE...WW 639...WW 640.
DISCUSSION...ALTHOUGH INSTABILITY IS SOMEWHAT MARGINAL...SUPERCELL
WIND PROFILES HAVE BECOME ESTABLISHED OVER THE CENTRAL HIGH PLAINS.
THUS...ACTIVITY OVER SERN WY SHOULD CONTINUE EWD INTO WRN NEB WITH
A THREAT FOR LARGE HAIL AND DAMAGING WINDS. ADDITIONALLY...COMPLEX
OF TSTMS DEVELOPING E-NE OF DOUGLAS WY SHOULD TRACK SEWD INTO WATCH
AREA LATER THIS EVENING.
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 28030.
...VESCIO
;430,1020 410,1015 410,1043 430,1045;
NNNN