MKC WW 251801
MNZ000-260100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 618
STORM PREDICTION CENTER NORMAN OK
101 PM CDT TUE JUL 25 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEASTERN AND CENTRAL MINNESOTA
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 130 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 70 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES SOUTH OF BRAINERD MINNESOTA
TO 45 MILES EAST NORTHEAST OF INTERNATIONAL FALLS 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...THUNDERSTORMS INCREASING AS COLD FRONT AND UPPER
TROUGH AXIS APPROACH MOISTURE AND INSTABILITY AXIS WHERE CAPES
BETWEEN 2500 AND 3500 J/KG. VERY UNSTABLE AIR MASS AND STEEP LAPSE
RATES INDICATE PRIMARY THREAT OF LARGE HAIL AND A FEW 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 24035.
...ROGASH
;484,0905 453,0924 453,0953 484,0940;
NNNN
ZCZC MKCSEL9 ALL 260300;453,0925 432,0945 432,0972 453,0953;
WWUS9 KMKC 252144
MKC WW 252144
MNZ000-SDZ000-260300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 619
STORM PREDICTION CENTER NORMAN OK
444 PM CDT TUE JUL 25 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHERN MINNESOTA
EASTERN SOUTH DAKOTA
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 515 PM UNTIL 1000
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 65 STATUTE MILES
EAST AND WEST OF A LINE FROM 30 MILES WEST SOUTHWEST OF WORTHINGTON
MINNESOTA TO 10 MILES WEST NORTHWEST OF SAINT CLOUD 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.
OTHER WATCH INFORMATION... CONTINUE...WW 618...
DISCUSSION...STORMS EXPECTED TO DEVELOP ALONG WEAK SURFACE
CONVERGENCE LINE/FRONTAL ZONE MOVING SEWD ACROSS ERN SD. AIRMASS
TO E OF THIS IS VERY UNSTABLE WITH CAPES AOA 4000 J/KG. WITH
APPROACH OF MID LEVEL TROUGH AND WIND MAX...STORMS WILL RAPIDLY
BECOME SEVERE AS THEY MOVE INTO SRN MN. DEEP LAYER SHEAR SUPPORTS
ISOLATED SUPERCELLS WHICH WILL ENHANCE HAIL AND WIND THREAT.
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 600. MEAN STORM
MOTION VECTOR 28025.
...HALES
;453,0925 432,0945 432,0972 453,0953;
NNNN
ZCZC MKCSEL0 ALL 260700;453,0905 425,0941 425,0962 453,0931;
WWUS9 KMKC 260100
MKC WW 260100
IAZ000-MNZ000-WIZ000-260700-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 620
STORM PREDICTION CENTER NORMAN OK
800 PM CDT TUE JUL 25 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHWEST IOWA
SOUTHERN MINNESOTA
WESTERN WISCONSIN
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 830 PM
UNTIL 200 AM 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 55 STATUTE MILES
EAST AND WEST OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF SPENCER
IOWA TO 75 MILES NORTHEAST OF MINNEAPOLIS 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.
OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 619. WATCH NUMBER 619 WILL NOT BE
IN EFFECT AFTER 830 PM CDT. CONTINUE...WW 618...
DISCUSSION...SEVERE THUNDERSTORMS CONTINUE TO DEVELOP EWD INTO AXIS
OF MODERATE TO STRONG INSTABILITY. WITH APPROACH OF MID LEVEL WIND
MAX AND TROUGH PROVIDING FAVORABLE SHEAR PROFILES...EXPECT STORMS
TO CONTINUE TO MOVE PROPAGATE E/SE ACROSS SRN MN INTO NWRN IA.
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 28030.
...HALES
;453,0905 425,0941 425,0962 453,0931;
NNNN
ZCZC MKCSEL1 ALL 260800;425,0963 425,0931 412,0931 412,0963;
WWUS9 KMKC 260324
MKC WW 260324
IAZ000-NEZ000-SDZ000-260800-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 621
STORM PREDICTION CENTER NORMAN OK
1024 PM CDT TUE JUL 25 2000
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN IOWA
NORTHEAST NEBRASKA
SOUTHEASTERN SOUTH DAKOTA
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1100 PM
UNTIL 300 AM 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 50 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTHWEST OF SIOUX CITY
IOWA TO 50 MILES NORTH NORTHEAST OF DES MOINES IOWA.
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 620...
DISCUSSION...SEVERE THUNDERSTORMS CONTINUE TO PROPAGATE S/SEWD INTO
AXIS OF STRONG INSTABILITY. AS UPPER TROUGH PASSES BY TO THE N
VEERING SHEAR PROFILES WILL CONTINUE TO SUPPORT SEVERE
THUNDERSTORMS DEVELOPING SWD INTO WRN IA AND EXTREME NERN NEB.
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 33025.
...HALES
;425,0963 425,0931 412,0931 412,0963;
NNNN