MKC WW 011901
IAZ000-MNZ000-WIZ000-020100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 634
STORM PREDICTION CENTER NORMAN OK
201 PM CDT TUE AUG 1 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN IOWA
SOUTHEAST MINNESOTA
SOUTHWEST WISCONSIN
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 800
PM CDT.
HAIL TO 3 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
EITHER SIDE OF A LINE FROM 65 MILES SOUTH SOUTHWEST OF MASON CITY
IOWA TO 60 MILES EAST 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.
DISCUSSION...CONVERGENCE ASSOCIATED WITH SURFACE LOW AND ASSOCIATED
TROUGH SERN MN INTO NRN IA WILL INITIATE SEVERE THUNDERSTORMS IN
MODERATE TO STRONGLY UNSTABLE AIRMASS. STORMS SHOULD
MOVE\PROPAGATE SEWD AHEAD OF UPPER TROUGH INTO NRN IA. SUFFICIENT
DIRECTIONAL SHEAR FOR ISOLATED SUPERCELLS ENHANCING LARGE HAIL
POTENTIAL.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 30025.
...HALES
;425,0902 411,0925 431,0944 445,0921;
NNNN
ZCZC MKCSEL5 ALL 020300;370,1132 342,1131 342,1153 370,1155;
WWUS9 KMKC 012049
MKC WW 012049
AZZ000-CAZ000-NVZ000-020300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 635
STORM PREDICTION CENTER NORMAN OK
149 PM PDT TUE AUG 1 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHWEST ARIZONA
SOUTHEAST CALIFORNIA
SOUTHERN NEVADA
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 800
PM PDT.
HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 65 STATUTE MILES
EAST AND WEST OF A LINE FROM 70 MILES NORTH NORTHEAST OF LAS VEGAS
NEVADA TO 30 MILES SOUTH SOUTHEAST OF NEEDLES CALIFORNIA.
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 634...
DISCUSSION...STORMS ARE PROPAGATING WWD OFF HIGHER TERRAIN INTO
NWRN AZ AND THEN SRN NV WHERE AIRMASS IS MODERATELY UNSTABLE WITH
VERY STEEP LAPSE RATES. WIND DAMAGE POTENTIAL EXPECTED TO INCREASE
AS STORMS BUILD INTO PROGRESIVLEY MORE FAVORABLE ENVIRONMENT.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION
VECTOR 09015.
...HALES
;370,1132 342,1131 342,1153 370,1155;
NNNN
ZCZC MKCSEL6 ALL 020400;490,1052 445,1070 445,1100 490,1084;
WWUS9 KMKC 012124
MKC WW 012124
MTZ000-020400-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 636
STORM PREDICTION CENTER NORMAN OK
324 PM MDT TUE AUG 1 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL MONTANA
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 400 PM UNTIL 1000
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 75 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES SOUTH OF BILLINGS MONTANA TO
60 MILES NORTH NORTHWEST OF GLASGOW MONTANA.
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 634...WW 635...
DISCUSSION...THUNDERSTORMS EXPECTED TO INCREASE THIS AFTERNOON IN
UPSLOPE FLOW REGIME. ALTHOUGH LOW LEVEL FLOW IS NOT ESPECIALLY
STRONG...DEEP LAYER SHEAR IS QUITE FAVORABLE FOR SUPERCELL STORMS
PRODUCING LARGE HAIL...DAMAGING WINDS...AND PERHAPS A TORNADO.
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 29015.
...VESCIO
;490,1052 445,1070 445,1100 490,1084;
NNNN
ZCZC MKCSEL7 ALL 020700;490,1033 445,1042 445,1070 490,1062;
WWUS9 KMKC 020025
MKC WW 020025
MTZ000-020700-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 637
STORM PREDICTION CENTER NORMAN OK
625 PM MDT TUE AUG 1 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN MONTANA
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 700 PM
UNTIL 100 AM 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 65 STATUTE MILES
EAST AND WEST OF A LINE FROM 35 MILES SOUTH SOUTHWEST OF BROADUS
MONTANA TO 70 MILES NORTH NORTHEAST OF WOLF POINT MONTANA.
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 635...WW 636...
DISCUSSION...PAIR OF SUPERCELLS ARE EXPECTED TO MOVE INTO ERN MT
WITH A CONTINUED THREAT FOR LARGE HAIL AND DAMAGING WINDS. OTHER
STORMS ARE EXPECTED TO FORM ALONG CONVERGENCE BOUNDARY OVER ERN
MT...DESPITE SLIGHT CAPPING INVERSION EVIDENT ON 00 UTC GGW
SOUNDING.
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 27025.
...VESCIO
;490,1033 445,1042 445,1070 490,1062;
NNNN