Severe Thunderstorm Warning 36, NWS Des Moines, IA

IAZALL-050835-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
235 AM CDT TUE JUN 5 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A SMALL PORTION
OF EXTREME NORTHWEST IOWA UNTIL 7AM THIS TUESDAY MORNING...

AT 225 AM CDT...SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD ACROSS
NORTHWEST AND WEST CENTRAL AND CENTRAL IOWA.

THE AREA OF NUMEROUS SHOWERS AND STRONG THUNDERSTORMS WAS 60 MILES
WIDE...CENTERED FROM THE NORTHWEST CORNER OF IOWA...TO ABOUT 40
MILES WEST OF DES MOINES.

THE STRONGEST THUNDERSTORMS CONTINUED OVER THE EXTREME NORTHWEST AREAS
OF IOWA...AND WERE MOVING RAPIDLY EAST AT AROUND 45 MILES AN HOUR.{{}
SHOULD THREATENING STORMS APPROACH...BE PREPARED TO SEEK SHELTER
IMMEDIATELY.{{}
WPM

IAZALL-050935-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
333 AM CDT TUE JUN 5 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A SMALL PORTION
OF EXTREME NORTHWEST IOWA UNTIL 7AM THIS TUESDAY MORNING...

AT 325 AM CDT...SCATTERED SHOWERS AND ISOLATED STRONG THUNDERSTORMS
CONTINUED TO MOVE ACROSS NORTHWEST...INTO NORTH CENTRAL IOWA.

THE STRONG THUNDERSTORMS OVER NORTHWEST AND NORTH CENTRAL IOWA...
ALONG WITH BRIEF VERY HEAVY RAINS...COULD PRODUCE STRONG GUSTY WIND
AND POSSIBLY SOME SMALL HAIL AS THEY MOVE RAPIDLY EAST AT AROUND 45
MILES AN HOUR.

SHOULD THREATENING WEATHER APPROACH...PEOPLE IN THEIR PATH SHOULD BE
PREPARED TO SEEK SHELTER IMMEDIATELY.

THE ENTIRE AREA OF SHOWERS AND STORMS WAS 90 MILES WIDE...CENTERED
FROM 45 MILES SOUTHWEST OF MASON CITY...TO NEAR JUST EAST OF SIOUX
CITY.

THE STRONGEST STORMS SHOULD BE IN THE MASON CITY...CLEAR LAKE AREA
BETWEEN 4 AND 430 AM.

WPM

IAZALL-051035-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
435 AM CDT TUE JUN 5 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A SMALL PORTION
OF EXTREME NORTHWEST IOWA UNTIL 7AM THIS TUESDAY MORNING...

AT 425 AM CDT...SCATTERED SHOWERS AND ISOLATED STRONG THUNDERSTORMS
CONTINUED TO MOVE ACROSS THE NORTH HALF OF IOWA.

THE STRONG THUNDERSTORMS OVER NORTHWEST AND NORTH CENTRAL IOWA...
ALONG WITH BRIEF VERY HEAVY RAINS...COULD ALSO PRODUCE BRIEF STRONG
GUSTY WIND...AND POSSIBLY SOME SMALL HAIL AS THEY MOVE RAPIDSLY EAST
AT AROUND 50 MILES AN HOUR.

SHOULD THREATENING WEATHER APPROACH...PEOPLE IN THEIR PATH SHOULD BE
PREPARED TO SEEK SHELTER IMMEDIATELY.

THE STRONGEST STORMS WERE LOCATED JUST SOUTH OF MASON CITY...AND
NEAR SPIRIT LAKE THROUGH ABOUT 10 MILES SOUTH OF SPENCER...OR FROM
ABOUT 70 MILES NORTHEAST...THROUGH 100 MILES NORTHEAST OF SIOUX CITY.

WPM

IA002-003-007-051100

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR NORTHEAST IOWA
NATIONAL WEATHER SERVICE WATERLOO IA
435 PM CDT TUE JUN 5 1990

AT 435 AM CDT WEATHER RADAR INDICATED THUNDERSTORMS WITH HEAVY
RAINS...STRONG WINDS...AND SMALL HAIL MOVING INTO FLOYD AND
MITCHELL COUNTIES...25 MILES EAST OF MASON CITY. THE STORMS WERE
MOVING TO THE EAST AT 40 TO 45 MILES AN HOUR.

OTHER STORMS WERE OCCURING IN FRANKLIN COUNTY AND EXTREME NORTHWEST
BUTLER AND BLACK HAWK COUNTIES. THESE THUNDERSTORMS WILL BE MOVING
INTO THE INDEPENDENCE...WATERLOO...OELWEIN...AND WEST UNION AREAS
WITHIN THE HOUR. TEMPERATURES OVER THE AREA WERE IN THE 50S UNDER
PARTLY CLOUDY SKIES.

COLLAR/ROBB

IAZALL-051135-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
539 AM CDT TUE JUN 5 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF
CENTRAL...EAST CENTRAL AND NORTHERN IOWA UNTIL 10 AM THIS TUESDAY
MORNING...

AT 525 AM CDT...AN ISOLATED LARGE VERY STRONG THUNDERSTORM WAS
LOCATED NEAR STORM LAKE...IN NORTHWEST IOWA...OR ABOUT 70 MILES
NORTHEAST OF SIOUX CITY.  THIS STORM...ALONG WITH FREQUENT DANGEROUS
LIGHTNING...AND BRIEF VERY HEAVY RAIN...COULD ALSO PRODUCE BRIEF
STRONG GUSTY WIND AND POSSIBLY SOME HAIL.  THIS STORM WAS MOVING
SOUTHEAST AT 35 MILES AN HOUR.

SHOULD THREATENING WEATHER APPROACH...PEOPLE IN THEIR PATH SHOULD BE
PREPARED TO SEEK SHELTER IMMEDIATELY.

OVER THE REMAINDER OF THE NORTH HALF OF IOWA...SCATTERED SHOWERS AND
THUNDERSTORMS CONTINUED...WITH THE LARGEST CONCENTRATION OF SHOWERS
AND STORMS...LOCATED IN ABOUT A 60 MILE WIDE AREA...EXTENDING FROM
NEAR &SIOUX CITY...TO THE IOWA/MINNESOTA BORDER NORTHEAST OF MASON
CITY.  MOST OF THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR.

WPM

IA002-003-007-051200

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR NORTHEAST IOWA
NATIONAL WEATHER SERVICE WATERLOO IA
550 AM CDT TUE JUN 5 1990

AT 550 AM CDT SHOWERS AND THUNDERSTORMS WERE COVERING SEVERAL AREAS
IN NORTH CENTRAL AND NORTHEAST IOWA.  ONE AREA WAS 50 MILES WIDE
AND WAS LOCATED FROM DECORAH TO INDEPENDENCE.  THE OTHER AREA WAS
MUCH LARGER AND WAS IN A 75 MILE WIDE BAND FROM THE MINNESOTA BORDER
NORTH OF MASON CITY...THEN SOUTHWEST TOWARD FORT DODGE.  THESE SHOWERS
AND THUNDERSTORMS WERE MOVING SOUTH SOUTHEAST AT NEAR 40 MILES AN HOUR.
THE TEMPEATURES WERE IN THE 50S OVER THE AREA WITH GUSTY SOUTH WINDS
10 TO 25 MILES AN HOUR.

BY 630 AM CDT THE SHOWERS AND THUNDERSTORMS SHOULD MOVE INTO THE
MASON CITY...HAMPTON...CHARLES CITY AND OSAGE AREAS. TEMPERATURES WILL
REMAIN IN THE 50S UNDER PARTLY TO MOSTLY CLOUDY SKIES WITH SOUTH
WINDS 10 TO 20 MILES AN HOUR FROM THE MINNESOTA BORDER TO THE HIGHWAY
20 AREA.
ROBB/COLLAR+