Severe Thunderstorm Warning 57, NWS Des Moines, IA

IAZALL-122340-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
545 PM CDT TUE JUN 12 1990

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

AT 532 PM CDT...SCATTERED STRONG THUNDERSTORMS WERE LOCATED IN A
15 MILE WIDE BAND...EXTENDING FROM NEAR WEST BRANCH...OR ABOUT 40
MILES NORTHEAST OF WATERLOO...TOROUGH ABOUT 20 MILES SOUTHWEST OF
MARSHALLTOWN...OR ABOUT 35 MILES NORTHWEST OF DES MOINES.

THESE STRONG THUNDERSTORMS HAVE BEEN PRODUCING BRIEF VERY HEAVY RAIN
...FREQUENT DANGEROUS LIGHTNING...AND HAVE ALSO PRODUCED BRIEF STRONG
GUSTY WIND...AND COULD PRODUCE 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 50 MILE
WIDE AREA...FROM 50 MILES NORTH OF WATERLOO...TO ABOUT 20 MILES
NORTHEAST OF DES MOINES.

WPM/KAS

IAZALL-122340-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...LINE 2 FIRST PARA..
NATIONAL WEATHER SERVICE DES MOINES IA
545 PM CDT TUE JUN 12 1990

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

AT 532 PM CDT...SCATTERED STRONG THUNDERSTORMS WERE LOCATED IN A
15 MILE WIDE BAND...EXTENDING FROM NEAR WEST UNION...OR ABOUT 40
MILES NORTHEAST OF WATERLOO...THROUGH ABOUT 20 MILES SOUTHWEST OF
MARSHALLTOWN...OR ABOUT 35 MILES NORTHWEST OF DES MOINES.

THESE STRONG THUNDERSTORMS HAVE BEEN PRODUCING BRIEF VERY HEAVY RAIN
...FREQUENT DANGEROUS LIGHTNING...AND HAVE ALSO PRODUCED BRIEF STRONG
GUSTY WIND...AND COULD PRODUCE 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 SCAT2TERED THUNDERSTORMS CONTINUED OVER ABOUT A 50 MILE
WIDE AREA...FROM 50 MILES NORTHEAST OF WATERLOO...TO ABOUT 20 MILES
NORTHEAST OF DES MOINES.

WPM

IA002-003-007-130200

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR NORTHEAST IOWA
NATIONAL WEATHER SERVICE WATERLOO IA
615 PM CDT TUE JUN 12 1990

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

AT 615 PM CDT SHOWERS AND THUNDERSTORMS CONTINUED TO MOVE NORTHEAST
ACROSS NORTHEAST IOWA AT 40 MILES AN HOUR. THE TRAILING EDGE OF THE
PRECIPITATION WAS FROM THE NORTHEAST CORNER OF IOWA TO NEAR DECORAH
TO JUST WEST OF WATERLOO. TO THE WEST OF THE PRECIPITATION THE SUN
WAS OCCASIONALLY PEEKING THROUGH THE CLOUDS. TEMPERATURES WERE IN THE
UPPER 70S TO MIDDLE 80S AND THE WINDS WERE FROM SOUTHWEST 25 TO 40 MPH.

THE SHOWERS AND THUNDERSTORMS WILL CONTINUE THEIR NORTHEAST MOVEMENT
WITH THE HEAVIEST RAIN ENTERING THE INDEPENDENCE AREA BY 645 PM. SKIES
WILL REMAIN CLOUDY FOR THE MOST PART AND TEMPERATURES WILL REMAIN
NEARLY STEADY IN THE LOWER 80S EXCEPT IN THE RAIN AREAS WHERE THEY
MIGHT DROP INTO THE 70S. WINDS WILL CONTINUE FROM THaE SOUTHWEST 25 TO
35 MILES AN HOUR.

IAZALL-130040-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
645 PM CDT TUE JUN 12 1990

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

AT 633 PM CDT...A SMALL AREA OF VERY STRONG THUNDERSTORMS WAS
LOCATED OVER NORTH CENTRAL IOWA...IN A 15 MILE WIDE AREA...BETWEEN
IOWA FALLS AND DAYTON...OR FROM 40 MILES WEST OF WATERLOO...TO 50
MILES NORTHWEST OF DES MOIMES.  THESE STORMS WERE MOVING NORTHEAST
AT 35 MILES AN HOUR.

THESE VERY STRONG STORMS HAVE BEEN PRODUCING VERY LARGE AMOUNTS OF
RAIN...FREREQUENT DANGEROUS LIGHTNING...AND CUULD ALSO PRODUCED
BRIEF STRONG GUSTY WIND AND HAIL.

PEOPLE IN THE PATH OF THESE |STRONG THUNDERSTORMS SHOULD BE PREPARED
TO SEEK SHELTER IMMEDIATELY SHOULD THREATENING WEATHER APPROACH.
OVER THE REMAINDER OF NORTHEAST...NORTH CENTRAL AND NORTHWEST IOWA...
SHOWERS AND SCATTERED THUNDERSTORMS CONTINUED TO DEVELOP.

WPM/KAS

IAZALL-130100-

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

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

...A TORNADO WATCH IS IN EFFECT THIS TUESDAY EVENING AND WEDNESDAY
MORNING FOR PORTIONS OF WESTERN AND NORTHERN IOWA...

AT 700 PM CDT...A SMALL AREA OF INTENSE THUNDERSTORMS WAS LOCATED
OVER NORTH CENTRAL IOWA...IN A 15 MILE WIDE AREA...BETWEEN
SHEFFIELD AND WEBSTER CITY...OR FROM 15 MILES SOUTH OF MASON CITY
TO 55 MILES SOUTHWEST OF MASON CITY.  THESE STORMS WERE MOVING
NORTHEAST AT 35 MILES AN HOUR.

THESE INTENSE STORMS HAVE BEEN PRODUCING VERY LARGE AMOUNTS OF
RAIN...FREREQUENT DANGEROUS LIGHTNING...AND COULD ALSO PRODUCE
BRIEF STRONG GUSTY WIND AND HAIL.

WPM/KAS

IA002-003-007-130200

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR NORTHEAST IOWA
NATIONAL WEATHER SERVICE WATERLOO IA
715 PM CDT TUE JUN 12 1990

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

AT 715 PM CDT SHOWERS AND THUNDERSTORMS WERE OCCURRING IN A 45 MILES
WIDE BAND FROM FORT DODGE WEST OF I35 TO ABOUT 10 MILES SOUTHEAST OF
MASON CITY.  THIS AREA OF THUNDERSTORMS WAS PRODUCING BRIEF HEAVY
RAIN...SOME SMALL HAIL POSSIBLE AT TIMES AND WIND GUST TO AROUND
30 TO 40 MILES AN HOUR. THE STORMS WERE MOVE NORTHEAST AT 35 MILES
AN HOUR.  THE REMAINDER OF NORTHEAST IOWA HAD VARIABLE CLOUDS WITH
SOME SUNSHINE FROM MASON CITY TO WATERLOO TO OELWEIN TO THE DECORAH AREA.
THE TEMPERATURES WERE IN THE 70S AND 80S WITH SOUTH WINDS 10 TO 25
MILES AN HOUR.

THE AREA OF SHOWERS AND THUNDERSTORMS WILL BE MOVING INTO THE MASON
CITY/ROCKFORD/ CHARLES CITY AND HAMPTON AREAS BY 810 PM. STORMS COULD
DEVELOP ANYWHERE IN NORTHEAST IOWA WITH STEADY WINDS AND TEMPERATURES.