Tornado Warning 15, NWS Des Moines, IA

IAZ010-291920-

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
120 PM CDT MON APR 29 1991

AT 114 PM...INTENSE THUNDERSTORMS WERE INDICATED IN EXTREME WESTERN
IOWA...FROM JUST NORTH OF COUNCIL BLUFFS...TO JUST EAST OF MISSOURI
VALLEY...ABOUT 20 MILES NORTH OF COUNCIL BLUFFS.  LARGE HAIL...HIGH
WIND...VERY HEAVY RAIN AND FREQUENT DEADLY LIGHTNING CAN BE EXPECTED
WITH THESE STORMS.

OTHER VERY STRONG STORMS WERE NEAR WINTERSET...INDIANOLA...AND JUST
MOVING INTO THE SOUTHERN PART OF DES MOINES.  PEA SIZE HAIL HAS BEEN
REPORTED AT INDIANOLA AND 45 MILE AN HOUR WIND WAS REPORTED AT THE
DES MOINES AIRPORT AT 117 PM.  THESE STORMS WILL PRODUCE PEA TO MARBLE
SIZE HAIL...WIND TO 55 MILES AN HOUR...BRIEF HEAVY RAIN...AND DEADLY
LIGHTNING.

THE STORMS WERE MOVING NORTH AT 45 MILES AN HOUR.

HUTTON/BARLOW

IAZ010-291930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
123 PM CDT MON APR 29 1991

...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL IOWA...

AT 122 PM...VERY STRONG THUNDERSTORMS WERE MOVING THROUGH THE
SOUTH SIDE OF DES MOINES.  WINDS AT THE DES MOINES AIRPORT REACHED
ALMOST 50 MILES AN HOUR...AND VERY HEAVY RAINS
AND PEA SIZED HAIL WAS ALSO OCCURRING.

THESE STORMS WILL CONTINUE MOVING NORTH THROUGH CENTRAL IOWA UNTIL
230 PM THIS AFTERNOON.  PEOPLE IN NORTHERN POLK COUNTY...AS WELL AS
THOSE IN THE SAYLORVILLE LAKE RECREATIONAL AREA SHOULD BE PREPARED
FOR THE RAPID ONSET OF THIS STORM.

TRUETT

IAZ010-291945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
147 PM CDT MON APR 29 1991

...STRONG THUNDERSTORMS CONTINUE OVER CENTRAL IOWA...

AT 145 PM...A CLUSTER OF VERY INTENSE THUNDERSTORMS CONTINUED
OVER CENTRAL IOWA. THE STORMS WERE ABOUT 10 TO 15 MILES NORTH OF
DOWNTOWN DES MOINES...NEAR THE POLK-STORY COUNTY LINE.

THESE STORMS WERE PRODUCING WINDS OF 50 TO 60 MILES AN HOUR...
AS WELL AS EXTREMELY HEAVY RAINS AND SMALL HAIL.

THE STORM WAS MOVING NORTH AT 40 MILES AN HOUR...AND WILL BE PASSING
THROUGH STORY COUNTY BETWEEN 145 AND 230 PM THIS AFTERNOON.  PEOPLE
IN STORY COUNTY SHOULD BE ALERT FOR POSSIBLE SEVERE WEATHER
DEVELOPMENT.

TRUETT/GOODSON
 ?

IAZ010-292035-

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE
NATIONAL WEATHER SERVICE DES MOINES IA
207 PM CDT MON APR 29 1991

AT 259 PM...VERY INTENSE THUNDERSTORMS WERE INDICATED IN NORTHWEST
SAC COUNTY...50 MILES EAST OF SIOUX CITY...AND IN SOUTHWEST CRAWFORD
COUNTY...OR 40 MILES NORTHEAST OF COUNCIL BLUFFS.  TORNADOES...VERY
LARGE AND DAMAGING HAIL...BRIEF VERY HEAVY RAIN...DAMAGING WIND AND
DEADLY LIGHTNING CAN BE EXPECTED AS THEY MOVE INTO BUENA VISTA AND
CRAWFORD COUNTIES.

OTHER VERY STRONG STORMS WERE NORTH AND NORTHWEST OF DES MOINES...FROM
NEAR JEFFERSON TO NEAR STORY CITY.  PEA TO MARBLE SIZE HAIL...55 MILE
AN HOUR WIND...VERY HEAVY RAIN AND DEADLY LIGHTNING CAN BE EXPECTED
WITH THESE STORMS.   OTHER SHOWERS AND THUNDERSTORMS WERE 20 MILES
EAST OF DES MOINES...AND ALSO IN THE SOUTHWEST PART OF THE STATE EAST
AND SOUTH OF COUNCIL BLUFFS.

THE SHOWERS AND STORMS WERE MOVING NORTH AT 40 TO 45 MILES AN HOUR.

HUTTON

IAZ002-003-006-007-292000-

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR NORTHEAST IOWA
NATIONAL WEATHER SERVICE WATERLOO IA
215 PM CDT MON APR 29 1991

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM CDT FOR
ALL OF NORTHEAST AND NORTH CENTRAL IOWA...

AT 105 PM...A 20 MILE WIDE LINE OF SHOWERS AND THUNDERSTORMS...WITH
BRIEF HEAVY RAINS...CONTINUED IN EXTREME NORTHEAST IOWA FROM THE
MISSISSIPPI RIVER NEAR PRAIRIE DU CHIEN WISCONSIN TO NEAR DECORAH
AND ALONG THE MINNESOTA BORDER NORTH OF CHARLES CITY. THESES SHOWERS
AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.
TEMPERATURES WERE IN THE MIDDLE TO UPPER 60S WITH SOUTH WINDS 15 TO
30 MPH.

FOR THE REST OF THIS AFTERNOON SCATTERED THUNDERSTORMS CAN BE EXPECTED.
THE THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL...DAMAGING WINDS...
DANGEROUS LIGHTNING AND BRIEF HEAVY RAINS. TEMPERATURES WILL CLIMB TO
AROUND 70 WHILE WINDS CONTINUE FROM THE SOUTH 15 TO 30 MPH.

IAZ010-292035-

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE...CORRECTION...TIME
NATIONAL WEATHER SERVICE DES MOINES IA
207 PM CDT MON APR 29 1991

AT 159 PM...VERY INTENSE THUNDERSTORMS WERE INDICATED IN NORTHWEST
SAC COUNTY...50 MILES EAST OF SIOUX CITY...AND IN SOUTHWEST CRAWFORD
COUNTY...OR 40 MILES NORTHEAST OF COUNCIL BLUFFS.  TORNADOES...VERY
LARGE AND DAMAGING HAIL...BRIEF VERY HEAVY RAIN...DAMAGING WIND AND
DEADLY LIGHTNING CAN BE EXPECTED AS THEY MOVE INTO BUENA VISTA AND
CRAWFORD COUNTIES.

OTHER VERY STRONG STORMS WERE NORTH AND NORTHWEST OF DES MOINES...FROM
NEAR JEFFERSON TO NEAR STORY CITY.  PEA TO MARBLE SIZE HAIL...55 MILE
AN HOUR WIND...VERY HEAVY RAIN AND DEADLY LIGHTNING CAN BE EXPECTED
WITH THESE STORMS.   OTHER SHOWERS AND THUNDERSTORMS WERE 20 MILES
EAST OF DES MOINES...AND ALSO IN THE SOUTHWEST PART OF THE STATE EAST
AND SOUTH OF COUNCIL BLUFFS.

THE SHOWERS AND STORMS WERE MOVING NORTH AT 40 TO 45 MILES AN HOUR.

HUTTON