Severe Thunderstorm Warning 100, NWS Des Moines, IA

IAZALL-200245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IOWA
850 PM CDT TUE JUN 19 1990

...A TORNADO WATCH IS IN EFFECT FOR THE WEST HALF OF IOWA UNTIL
10 PM CDT THIS TUESDAY EVENING...
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT FOR
ABOUT THE NORTHEAST ONE QUARTER OF IOWA...
...A FLASH FLOOD/FLOOD WATCH FOR EAST AND SOUTH IOWA TONIGHT...

AT 830 PM CDT...AN INTENSE THUNDERSTORM WAS INDICATED OVER SOUTH CENTRAL
IOWA...OVER AND JUST TO THE NORTH OF PELLA.  HIGH WINDS...HAIL AND
TORRENTIAL RAINS ARE LIKELY FROM THIS STORM.  THE STORM WAS MOVING
EAST AT 25 MILES AN HOUR AND WILL BE LOCATED IN SOUTHEAST IOWA NEAR
WHAT CHEER BY 930 PM.

THIS STORM WAS PART OF A NARROW BAND OF STRONG THUNDERSTORMS THAT
WAS LOCATED FROM 7 MILES SOUTH OF DES MOINES EAST TO SIGOURNEY...
20 MILES NORTHEAST OF OTTUMWA.  THESE STORMS WERE ALSO MOVING
EAST AT 25 MILES AN HOUR.  THEY WERE ALSO PRODUCING EXTREMELY HEAVY
RAINS.

OTHER STRONG STORMS WERE OVER EXTREME NORTH CENTRAL AND NORTHEAST
IOWA FROM THE MINNESOTA BORDER NORTH OF MASON CITY TO NEAR
DECORAH.

DLF

IAZALL-200345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IOWA
945 PM CDT TUE JUN 19 1990

...A TORNADO WATCH IS IN EFFECT FOR THE WEST HALF OF IOWA UNTIL
10 PM CDT THIS TUESDAY EVENING...
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT FOR
ABOUT THE NORTHEAST ONE QUARTER OF IOWA...
...A FLASH FLOOD/FLOOD WATCH FOR EAST AND SOUTH IOWA TONIGHT...

AT 926 PM CDT...THUNDERSTORMS HAD DEVELOPED RAPIDLY OVER SOUTHWEST AND
SOUTH CENTRAL IOWA FROM SOUTHEAST OF SHENANDOAH NEAR BEDFORD TO SOUTH
OF DES MOINES NEAR OSCEOLA.  THE LARGEST STORMS WERE LOCATED
NEAR DIAGONAL...10 MILES SOUTH OF CRESTON AND 10 MILES WEST
OF OSCEOLA.   THESE STORMS WILL PRODUCE EXTREMELY HEAVY RAINS AND
HAIL.

STRONG THUNDERSTORMS WERE ALSO OVER THE SOUTHEAST COUNTIES.  THESE
STORMS WERE IN A 25 MILE WIDE BAND LOCATED FROM PELLA...35 MILES
SOUTHEAST OF DES MOINES TO WAPPELLO...30 MILES NORTH OF BURLINGTON.
THE LARGEST STORM IN THIS AREA WAS LOCATED 15 MILES NORTH OF
OTTUMWA NEAR SIGOURNEY.

ALL OF THE THUNDERSTORMS IN IOWA WERE MOVING EAST AT 25 MILES AN
HOUR.

DLF

IAZ003-007-008-200320-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1000 PM CDT TUE JUN 19 1990

...SEVERE THUNDERSTORM WATCH FOR NORTHEAST IOWA HAS BEEN CANCELLED...

THE SEVERE THUNDERSTORM WATCH FOR NORTHEAST IOWA IS NO LONGER IN
EFFECT.

ALTHOUGH A FEW THUNDERSTORMS ARE POSSIBLE IN NORTHEAST IOWA...THEY ARE
NOT EXPECTED TO BE SEVERE.

TRUETT

IAZALL-200400-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IOWA
1015 PM CDT TUE JUN 19 1990

...TORNADO WATCH FOR EAST CENTRAL AND SOUTH IOWA UNTIL 1 AM...
...SEVERE THUNDERSTORM WATCH FOR SOUTHWEST AND SOUTH CENTRAL IOWA
   UNTIL 3 AM...
...A FLASH FLOOD/FLOOD WATCH FOR EAST AND SOUTH IOWA TONIGHT...

STRONG THUNDERSTORMS CONTINUED TO RUMBLE OVER SOUTHERN IOWA.  AT 1005 PM
...A 25 MILE WIDE BAND OF THUNDERSTORMS WAS LOCATED FROM SOUTHEAST OF
CRESTON NEAR LAMONI TO NORTHEAST OF OTTUMWA NEAR WASHINGTON.

AN INTENSE STORM WAS LOCATED 50 MILES SOUTH OF DES MOINES...OR JUST
NORTH OF LAMONI.  HIGH WINDS...HAIL AND TORRENTIAL RAINS WILL OCCUR
WITH THIS STORM.

OTHER LARGE STORMS WERE LOCATED NEAR CHARITON...SOUTH OF KNOXVILLE
NEAR MELCHER AND NORTHEAST OF OTTUMWA NEAR SIGOURNEY.  EXTREMELY HEAVY
RAINS WILL ACCOMPANY THE THUNDERSTORMS.  THE STORMS DROPPED 3 INCHES
OF RAIN NORTH OF OSKALOOSA AT NEW SHAR-ON THIS EVENING.

ALL OF THE THUNDERSTORMS IN IOWA WERE MOVING EAST AT 30 MILES AN
HOUR.

DLF

IAZ002-003-007-200500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WATERLOO IA
1020 PM CDT TUE JUN 19 1990

THE SEVERE THUNDERSTORM WATCH FOR NORTHEAST IOWA THAT WAS IN EFFECT
UNTIL MIDNIGHT CDT H/AS BEEN CANCELLED.

ALSO THE FLASH FLOOD WATCH THAT WAS IN EFFECT TONIGHT HAS ALSO BEEN
CANCELLED FOR NORTHEAST IOWA.

IAZALL-200430-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IOWA
1045 PM CDT TUE JUN 19 1990

...TORNADO WATCH FOR EAST CENTRAL AND SOUTH IOWA UNTIL 1 AM...
...SEVERE THUNDERSTORM WATCH FOR SOUTHWEST AND SOUTH CENTRAL IOWA
   UNTIL 3 AM...
...A FLASH FLOOD/FLOOD WATCH FOR EAST AND SOUTH IOWA TONIGHT...

THUNDERSTORMS WITH EXTREMELY HEAVY RAINS AND HAIL WERE OVER SOUTH
CENTRAL AND SOUTHEAST IOWA.  AT 1031 PM...INTENSE THUNDERSTORMS WERE
LOCATED OVER SOUTH CENTRAL IOWA NORTH OF LAMONI AND IN THE SOUTHEAST
SECTION...NORTHWEST OF BURLINGTON NEAR BRIGHTON.

THESE STORMS WERE PART OF A 25 MILE WIDE BAND OF STRONG THUNDERSTORMS
THAT EXTENDED FROM THE IOWA/MISSOQURI BORDER SOUTH OF CRESTON TO NORTH
OF OTTUMWA THEN EAST TO WAPELLO...NORTH OF BURLINGTON.

THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR.

DLF