Flash Flood Warning 102, NWS Des Moines, IA

IAZALL-120130-

SPECIAL WEATHER STATEMENT...SPELLING CORRECTION
NATIONAL WEATHER SERVICE DES MOINES IA
555 PM CDT WED AUG 11 1993

...THUNDERSTORMS WITH TORRENTIAL RAINFALL WILL BE MOVING ACROSS CENTRAL
IOWA THIS EVENING...

STRONG THUNDERSTORMS...CAPABLE OF PRODUCING VERY HEAVY RAINFALL IN A
SHORT PERIOD OF TIME WILL BE TRACKING ACROSS CENTRAL IOWA...INCLUDING
THE DES MOINES METRO AREA BETWEEN 6 AND 8 PM THIS WEDNESDAY EVENING.
AS THE STORMS MOVED ACROSS GUTHRIE COUNTY IN WEST CENTRAL IOWA...NEARLY
A FOOT OF WATER WAS OVER HIGHWAY 295 NEAR THE TOWN OF MENLOW...OR ABOUT
40 MILES WEST OF DES MOINES. IN ADDITION...NEARLY 3 INCHES OF RAIN FELL
IN A LITTLE OVER AN HOUR AND A HALF IN THE TOWN OF ANITA IN CASS COUNTY
...OR 60 MILES WEST OF DES MOINES.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR
WITH ADDITIONAL DEVELOPMENT OCCURRING TO THE WEST OF THIS AREA. RAINFALL
AMOUNTS MAY EXCEED 3 INCHES IN ISOLATED AREAS OF CENTRAL IOWA AS THE
THUNDERSTORMS MOVE ACROSS CENTRAL AND SOUTH CENTRAL IOWA THIS EVENING.

IF YOU SEE WATER OVER A ROADWAY...DO NOT ATTEMPT TO DRIVE THROUGH IT.
IF YOU LIVE NEAR A FLOOD PRONE CREEK OR STREAM...BE PREPARED TO MOVE
TO A PLACE OF SAFETY.

SMITH

IAZALL-120130-

SPECIAL WEATHER STATEMENT...SPELLING CORRECTION
NATIONAL WEATHER SERVICE DES MOINES IA
555 PM CDT WED AUG 11 1993

...THUNDERSTORMS WITH TORRENTIAL RAINFALL WILL BE MOVING ACROSS CENTRAL
IOWA THIS EVENING...

STRONG THUNDERSTORMS...CAPABLE OF PRODUCING VERY HEAVY RAINFALL IN A
SHORT PERIOD OF TIME WILL BE TRACKING ACROSS CENTRAL IOWA...INCLUDING
THE DES MOINES METRO AREA BETWEEN 6 AND 8 PM THIS WEDNESDAY EVENING.
AS THE STORMS MOVED ACROSS GUTHRIE COUNTY IN WEST CENTRAL IOWA...NEARLY
A FOOT OF WATER WAS OVER HIGHWAY 295 NEAR THE TOWN OF MENLOW...OR ABOUT
40 MILES WEST OF DES MOINES. IN ADDITION...NEARLY 3 INCHES OF RAIN FELL
IN A LITTLE OVER AN HOUR AND A HALF IN THE TOWN OF ANITA IN CASS COUNTY
...OR 60 MILES WEST OF DES MOINES.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR
WITH ADDITIONAL DEVELOPMENT OCCURRING TO THE WEST OF THIS AREA. RAINFALL
AMOUNTS MAY EXCEED 3 INCHES IN ISOLATED AREAS OF CENTRAL IOWA AS THE
THUNDERSTORMS MOVE ACROSS CENTRAL AND SOUTH CENTRAL IOWA THIS EVENING.

IF YOU SEE WATER OVER A ROADWAY...DO NOT ATTEMPT TO DRIVE THROUGH IT.
IF YOU LIVE NEAR A FLOOD PRONE CREEK OR STREAM...BE PREPARED TO MOVE
TO A PLACE OF SAFETY.

SMITH

IAC123-C125-150000-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
627 PM CDT WED AUG 11 1993

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MAHASKA COUNTY
UNTIL 645 PM...

...THE SEVERE THUNDERSTORM WARNING FOR MARION COUNTY EXPIRED AT 630
PM...

AT 625 PM...A SEVERE THUNDERSTORM WAS NEAR OSKALOOSA IN CENTRAL
MAHASKA COUNTY.  THE THUNDERSTORM WAS MOVING SOUTHEAST AT 25 MPH AND
IT WILL MOVE THROUGH OSKALOOSA AND FREEMONT BY 645 PM.

THE THUNDERSTORMS WERE EAST OF MARION COUNTY AND THE WARNING WILL BE
ALLOWED TO EXPIRE.

THESE THUNDERSTORMS HAVE A HISTORY OF PRODUCING VERY HEAVY
RAIN...STRONG AND DAMAGING WINDS AND HAIL.  IF YOU ARE IN THE PATH OF
THESE STORMS...MOVE TO SAFE INDOOR SHELTER.

JOHNSON

IAZALL-120045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
650 PM CDT WED AUG 11 1993

AT 635 PM CDT...INTENSE THUNDERSTORMS CONTINUED OVER WEST CENTRAL AND
CENTRAL IOWA.  THE STORMS WERE OCCURRING FROM 35 MILES NORTHWEST TO
45 MILES SOUTHWEST OF DES MOINES...IN A 20 MILE WIDE BAND CENTERED FROM
PERRY TO JUST SOUTH OF GREENFIELD.  THESE STORMS WERE PRODUCING
EXTREMELY HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLY GUSTY WINDS
AND SMALL HAIL.  IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER
IMMEDIATELY.

THE STORMS WERE PART OF A LARGER AREA OF SHOWERS AND THUNDERSTORMS
LOCATED GENERALLY SOUTH OF A LINE EXTENDING FROM COUNCIL BLUFFS...TO
FORT DODGE...TO BURLINGTON.

MOVEMENT OF THE STORMS AND SHOWERS WAS NORTHEAST AT AROUND 25 MILES AN
HOUR.

KALLMAN

IAZALL-120145-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
748 PM CDT WED AUG 11 1993

AT 730 PM CDT...ISOLATED VERY STRONG THUNDERSTORMS WERE OCCURRING OVER
SOUTHWEST...CENTRAL AND SOUTHEAST IOWA.  THE STORMS WERE LOCATED IN A
20 MILE WIDE BAND EXTENDING FROM 45 MILES SOUTHWEST OF DES MOINES NEAR
GREENFIELD...TO NEAR DES MOINES...TO 20 MILES SOUTHEAST OF DES MOINES
NEAR MONROE.  ANOTHER VERY STRONG STORM WAS LOCATED JUST EAST OF
OTTUMWA.  THESE STORMS WERE PRODUCING TORRENTIAL RAINFALL...WIND GUSTS
TO 30 MILES AN HOUR...NEARLY CONTINUOUS LIGHTNING AND POSSIBLY SMALL
HAIL.  IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER IMMEDIATELY.

THE STORMS WERE PART OF A LARGER AREA OF SHOWERS AND THUNDERSTORMS
OCCURRING GENERALLY SOUTHWEST OF A LINE FROM 35 MILES WEST OF FORT
DODGE NEAR SAC CITY...TO 35 MILES SOUTHWEST OF WATERLOO NEAR
MARSHALLTOWN...TO BURLINGTON.

MOVEMENT OF THE STORMS AND SHOWERS WAS EAST AT AROUND 25 MILES AN HOUR.

KALLMAN

IAZALL-120245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
850 PM CDT WED AUG 11 1993

AT 835 PM CDT...VERY STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAIN
CONTINUED OVER SOUTHWEST...CENTRAL AND SOUTHEAST IOWA.  ONE AREA OF
STORMS WAS 20 MILES WIDE EXTENDING FROM 70 MILES SOUTHWEST OF DES MOINES
NEAR BEDFORD...TO 30 MILES SOUTHEAST OF DES MOINES NEAR KNOXVILLE...TO
30 MILES NORTHEAST OF DES MOINES.  OTHER STRONG STORMS WERE 20 MILES
NORTHEAST OF OTTUMWA NEAR SIGOURNEY AND 20 MILES NORTHWEST OF BURLINGTON
NEAR MOUNT PLEASANT.  THESE STORMS WERE PRODUCING TORRENTIAL RAIN...
NEARLY CONTINUOUS LIGHTNING...WINDS TO 30 MILES AN HOUR AND POSSIBLY
SMALL HAIL.  THE EXTREME RAINFALL WILL CAUSE FLOODING...ESPECIALLY IN
URBAN AND LOW-LYING AREAS.

THE STORMS WERE PART OF A LARGER AREA OF SHOWERS AND THUNDERSTORMS
OCCURRING SOUTH AND EAST OF A LINE FROM SHENANDOAH...TO FORT DODGE...
TO DAVENPORT.  SHENANDOAH IS 40 MILES SOUTHEAST OF COUNCIL BLUFFS.

THE STORMS AND SHOWERS WERE MOVING EAST AT AROUND 25 MILES AN HOUR.

KALLMAN