Severe Thunderstorm Warning 90, NWS Des Moines, IA

IAZ006>011-016>019-026>029-038>040-251910-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WATERLOO IA
115 PM CDT TUE AUG 25 1992

...ISOLATED STRONG THUNDERSTORM ALONG HIGHWAY 20 NEAR WATERLOO...

AT 110 PM CDT AN ISOLATED STRONG THUNDERSTORM HAD DEVELOPED SOUTHWEST
OF WATERLOO NEAR THE TOWN OF HUDSON.  THIS STORM WAS PRODUCING HEAVY
RAINS AND SOME PEA SIZE HAIL.  THIS STORM WAS MOVING NORTHEAST AT 30
MILES AN HOUR.  THIS STORM WILL AFFECT THED TOWNS OF WAVERLY...DENVER
AND DUNKERTON THROUGH 2 PM.

TRS

IAZALL-251940-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
151 PM CDT TUE AUG 25 1992

AT 136 PM CDT...A CLUSTER OF INTENSE THUNDERSTORMS WAS LOCATED OVER
NORTHEAST IOWA BETWEEN WATERLOO AND INDEPENDENCE. INDEPENDENCE IS
20 MILES EAST OF WATERLOO. THESE STORMS WILL PRODUCE EXTREMELY HEAVY
RAIN...FREQUENT DEADLY LIGHTNING AND HAIL.

THIS CLUSTER OF STORMS WAS PART OF A LARGE AREA OF SCATTERED SHOWERS
AND THUNDERSTORMS LOCATED BETWEEN WATERLOO...DUBUQUE AND CEDAR RAPIDS.

SHOWERS AND ISOLATED THUNDERSTORMS CONTINUED OVER THE WESTERN HALF OF
IOWA. THE SHOWERS AND STORMS IN THIS AREA WERE LOCATED ALONG AND WEST
OF A LINE THAT EXTENDED FROM BEDFORD OR 70 MILES SOUTHWEST OF DES MOINES
NORTHEAST TO NEWTON THEN NORTH TO THE IOWA/MINNESOTA BORDER NEAR BUFFALO
CENTER. NEWTON IS 30 MILES NORTHEAST OF DES MOINES WHILE BUFFALO CENTER
IS 30 MILES NORTHWEST OF MASON CITY.

THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.

BARLOW

IAZALL-252040-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
250 PM CDT TUE AUG 25 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A PART OF NORTHEAST
IOWA THIS TUESDAY AFTERNOON AND EVENING UNTIL 9 PM CDT...

AT 233 PM...A CLUSTER OF INTENSE THUNDERSTORMS WITH VERY HEAVY RAINS
WERE OVER CENTRAL IOWA...FROM 30 MILES SOUTHWEST OF WATERLOO OR BETWEEN
MARSHALLTOWN AND TOLEDO...TO 20 MILES EAST OF DES MOINES.  THESE STORMS
WERE CAPABLE OF PRODUCING HAIL...WINDS IN ESCESS OF 50 MILES AN HOUR...
AND DANGEROUS LIGHTNING.

THESE STORMS WERE PART OF A GROWING COMPLEX OF SCATTERED THUNDERSTORMS
AND SHOWERS THAT COVERED MUCH OF THE STATE.  STRONG STORMS WERE ALSO
DETECTED OVER NORTHEAST IOWA BETWEEN WATERLOO AND PRAIRIE DU CHIEN
WISCONSIN...AND OVER SOUTHWEST AND WEST CENTRAL IOWA BETWEEN WEBSTER
CITY AND BEDFORD.  WEBSTER CITY IS 60 MILES NORTH OF DES MOINES AND
BEDFORD IS 80 MILES SOUTHWEST OF DES MnOINES.
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THESE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

MILLER