Severe Thunderstorm Warning 55, NWS Des Moines, IA

IAZ010-222245-

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

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

STRONG THUNDERSTORMS WERE INDICATED BY RADAR AT 515 PM OVER MUCH OF
MARSHALL COUNTY IN CENTRAL IOWA...OR ABOUT 50 MILES NORTHEAST OF
DES MOINES.  THE STORMS WERE MOVING NORTHEAST ABOUT 45 MILES AN HOUR.

WIND GUSTS OF 50 MILES AN HOUR OCCURRED AT 509 PM CDT BETWEEN RHODES
AND MELBOURNE IN SOUTHWEST MARSHALL COUNTY...ABOUT 35 MILES NORTHEAST
OF DES MOINES.  A 50 MILE AN HOUR GUST OCCURRED AT 515 AT MARSHALLTOWN
...ABOUT 50 MILES NORTHEAST OF DES MOINES.  JUST NORTH OF MARSHALLTOWN
...A RADIO STATION REPORTED A 56 MILE AN HOUR GUST...AGAIN AT 515 PM
CDT.

BIKLE

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