Severe Thunderstorm Warning 49, NWS Des Moines, IA

IA002-003-007-122130

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WATERLOO IA
345 PM CDT TUE JUN 12 1990

       ...TORNADO WATCH FOR NORTHEAST IOWA UNTIL 10PM CDT...

AT 340 PM CDT NUMEROUS SHOWERS AND THUNDERSTORMS WERE OVER NORTHEAST
IOWA...WITH THE STRONGEST STORMS IN HOWARD COUNTY NEAR CRESCO. OTHER
SHOWERS AND THUNDERSTORMS WERE SCATTERED FROM THE MINNESOTA BORDER
THROUGH CHARLES CITY AND TO HAMPTON...OR 35 MILES NORTHWEST OF WATERLOO.s
THE SHOWERS AND STORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR.
OTHER THUNDERSTORMS CONTINUED TO DEVELOP TO THE SOUTHWEST OF DES MOINES
AND WERE ALSO MOVING TO THE NORTHEAST.

COLLAR

IAZ010-122210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
439 PM CDT TUE JUN 12 1990

A TORNADO WATCH IS IN EFFECT FOR A LARGE PORTION OF IOWA UNTIL 1000 PM
CDT TODAY.

AT 435 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS OVER NORTHERN POLK
COUNTY...ABOUT 15 MILES NORTH OF THE DES MOINES AREA.  THE STORMS WERE
MOVING EAST NORTHEAST AT 45 MILES AN HOUR.  PEA SIZED HAIL FELL AT
JOHNSTON...A SUBURB OF DES MOINES NORTHWEST OF THE CITY...AT 436 PM CDT.

THESE STORMS WILL BE AFFECTING SOUTHEAST STORY COUNTY AND SOUTHWEST
MARSHALL COUNTY IN CENTRAL IOWA BETWEEN 445 PM AND 515 PM CDT THIS
AFTERNOON.

BIKLE

IA002-003-007-122200

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WATERLOO IA
430 PM CDT TUE JUN 12 1990

...TORNADO WATCH FOR NORTHEAST IOWA UNTIL 1000 PM CDT...

AT 430 PM CDT NUMEROUS SHOWERS AND THUNDERSTORMS CONTINUED TO MOVE
NORTHEAST ACROSS NORTHEAST IOWA AT 40 MILES AN HOUR. THE LEADING EDGE
OF THE PRECIPITATION WAS FROM THE NORTHEAST CORNER OF IOWA TO JUST
WEST OF WATERLOO. AT 430 PM THE STRONGEST THUNDERSTORMS WERE LOCATED
ABOUT 10 MILES NORTHWEST OF WATERLOO AND ABOUT 20 MILES NORTHWEST OF
WATERLOO.

THE SHOWERS AND THUNDERSTORMS WILL CONTINUE THEIR NORTHEAST MOVEMENT
WITH THE STRONGEST STORMS ENTERING THE WAVERLY AREA BY 500 PM AND THE
NEW HAMPTON AREA BY 530 PM.

IAZ010-212220-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
453 PM CDT TUE JUN 12 1990

A TORNADO WATCH IS IN EFFECT FOR A LARGE PART OF IOWA UNTIL 1000 PM CDT.

AT 450 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS OVER ABOUT THE
NORTHEAST QUARTER OF POLK COUNTY...AND ABOUT THE SOUTHEAST QUARTER OF
STORY COUNTY.  THE STORMS WERE MOVING EAST NORTHEAST AT ABOUT 45 MILES
AN HOUR.  NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS.

THE STORMS WILL AFFECT THE NORTHWEST QUARTER OF JASPER COUNTY OF
CENTRAL IOWA BETWEEN 455 PM CDT AND 520 PM CDT.  THE COMMUNITIES OF
MINGO...BAXTER...AND COLFAX WILL EXPERIENCE THE PASSAGE OF THESE
STORMS.  THESE COMMUNITIES ARE ABOUT 30 MILES EAST NORTHEAST OF
DES MOINES.

BIKLE

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
505 PM CDT TUE JUN 12 1990

...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF IOWA UNTIL 10 PM
THIS TUESDAY EVENING...

AT 500 PM CDT...WIDELY SCATTERED STRONG THUNDERSTORMS WERE LOCATED
IN A 10 MILE WIDE BAND...EXTENDING FROM NEAR SUMNER...OR ABOUT 25
MILES NORTHEAST OF WATERLOO...THROUGH 15 MILES NORTHEAST OF DES
MOINES.

THESE STRONG THUNDERSTORMS HAVE BEEN PRODUCING BRIEF VERY HEAVY RAIN
...FREQUENT DANGEROUS LIGHTNING...AND COULD ALSO PRODUCE BRIEF STRONG
GUSTY WIND...AND POSSIBLY SOME SMALL HAIL...AS THEY MOVE NORTHEAST
AT 40 MILES AN HOUR.

PEOPLE IN THE PATH OF THESE STRONG THUNDERSTORMS SHOULD BE PREPARED
TO SEEK SHELTER IMMEDIATELY SHOULD THREATENING WEATHER APPROACH.
.
OVER THE REMAINDER OF NORTHEAST THROUGH CENTRAL IOWA...NUMEROUS
SHOWERS AND SCATTERED THUNDERSTORMS CONTINUED ABOUT 40 MILES NORTHEAST
OF WATERLOO...TO JUST NORTH OF DES MOINES.

WPM/KAS

SPECIAL WEATHER STATEMENT...CORRECT LAST PARAGRAPH...
NATIONAL WEATHER SERVICE DES MOINES IA
505 PM CDT TUE JUN 12 1990

...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF IOWA UNTIL 10 PM
THIS TUESDAY EVENING...

AT 500 PM CDT...WIDELY SCATTERED STRONG THUNDERSTORMS WERE LOCATED
IN A 10 MILE WIDE BAND...EXTENDING FROM NEAR SUMNER...OR ABOUT 25
MILES NORTHEAST OF WATERLOO...THROUGH 15 MILES NORTHEAST OF DES
MOINES.

THESE STRONG THUNDERSTORMS HAVE BEEN PRODUCING BRIEF VERY HEAVY RAIN
...FREQUENT DANGEROUS LIGHTNING...AND COULD ALSO PRODUCE BRIEF STRONG
GUSTY WIND...AND POSSIBLY SOME SMALL HAIL...AS THEY MOVE NORTHEAST
AT 40 MILES AN HOUR.

PEOPLE IN THE PATH OF THESE STRONG THUNDERSTORMS SHOULD BE PREPARED
TO SEEK SHELTER IMMEDIATELY SHOULD THREATENING WEATHER APPROACH.
.
OVER THE REMAINDER OF NORTHEAST THROUGH CENTRAL IOWA...NUMEROUS
SHOWERS AND SCATTERED THUNDERSTORMS CONTINUED OVER ABOUT A 40 MILE
WIDE AREA...FROM 40 MILES NORTH OF WATERLOO...TO JUST NORTH OF
DES MOINES.

WPM/KAS