Tornado Warning 11, NWS Des Moines, IA

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WATERLOO IA
1245 AM CDT SAT ARP 27 1991

                                EVENT AND LOCATION
HANCOCK COUNTY
        1040PM CDT   TORNADO REPORTED TO THE WEATHER OFFICE AT 1205
                     AM CDT.
                     EXTENSIVE TREE DAMAGE IN GARNER WITH 3 TO 5
                     TRAILER HOMES TIPPED OVER AND HEAVILY DAMAGED.
                     SOME HOME DAMAGE WITH NO SERIOUS INJURIES
                     REPORTED.  EVERYONE ACCOUNTED FOR.

IAZALL-270645-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
1248 AM CDT SAT APR 27 1991

...AT 1 PM...ONLY A SEVERE THUNDERSTORM WATCH WILL REMAIN IN EFFECT
   FOR A LARGE PORTION OF SOUTHERN AND EASTERN IOWA UNTIL 4 AM...

AT 1231 AM...SHOWERS AND THUNDERSTORMS CONTINUED OVER MUCH OF THE
WEST THREE QUARTERS OF IOWA...GENERALLY WEST OF A LINE FROM OTTUMWA TO
30 MILES EAST OF WATERLOO.

WITHIN THIS AREA...SCATTERED INTENSE STORMS WERE OVER SOUTH CENTRAL AND
CENTRAL IOWA.  THE STRONGEST STORMS WERE LOCATED FROM 30 MILES SOUTHWEST
OF DES MOINES...TO 45 MILES EAST OF DES MOINES NEAR NEW SHARON...AND
45 MILES NORTHEAST OF DES MOINES NEAR GRINNELL.
.
THESE INTENSE STORMS HAVE BEEN PRODUCING VERY HEAVY RAIN AND FREQUENT
DEADLY LIGHTNING...AND POSSIBLY HAIL AND BRIEF STRONG GUSTY WIND.

THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR.

PEOPLE IN THE PATH OF THESE INTENSE THUNDERSTORMS SHOULD REMAIN ALERT
FOR RAPIDLY CHANGING CONDITIONS...AND BE PREPARED TO SEEK IMMEDIATE
SHELTER SHOULD THREATENING WEATHER APPROACH.

DM/JAK

IAZALL-270710-

SPECIAL WEATHER STATEMENT AND IOWA WEATHER UPDATE
NATIONAL WEATHER SERVICE DES MOINES IA
118 AM CDT SAT APR 27 1991

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF THE
   SOUTHEAST QUARTER OF IOWA UNTIL 4 AM...

AT 105 AM...SHOWERS AND THUNDERSTORMS CONTINUED OVER MUCH OF THE EAST
THREE QUARTERS OF IOWA.  MOST OF THE PRECIPITATION WAS EAST OF A LINE
FROM LAMONI...TO FORT DODGE...TO 30 MILES WEST OF MASON CITY.

WITHIN THIS AREA...SCATTERED INTENSE STORMS WERE LOCATED FROM SOUTH
CENTRAL INTO NORTHEAST IOWA.  THE STRONGEST STORMS WERE OCCURRING IN A
10 MILE WIDE BAND FROM 35 MILES SOUTHWEST OF OTTUMWA NEAR CENTERVILLE...
TO 35 MILES NORTHEAST OF DES MOINES NEAR NEWTON.  OTHER STRONG STORMS
WERE LOCATED FROM 15 MILES SOUTH OF WATERLOO TO 30 MILES WEST OF CEDAR
RAPIDS.

THESE INTENSE STORMS WERE PRODUCING BRIEF HEAVY RAIN AND FREQUENT DEADLY
LIGHTNING...AND POSSIBLY SOME HAIL AND STRONG GUSTY WINDS.

THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR.

PEOPLE IN THE PATH OF THESE INTENSE THUNDERSTORMS SHOULD REMAIN ALERT
FOR RAPIDLY CHANGING CONDITIONS...AND BE PREPARED TO SEEK IMMEDIATE
SHELTER SHOULD THREATENING WEATHER APPROACH.

DM/JAK

IAZ002-003-006-007-270700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WATERLOO IA
1215 AM CDT SAT APR 27 1991

...A SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHEAST IOWA UNITL
4AM CDT...

AT 110 AM CDT AN AREA OF VERY STRONG THUNDERSTORMS EXTENDED FROM ABOUT
10 MILES EAST OF WATERLOO TO ABOUT 15 MILES SOUTHWEST OF WATERLOO. THESE
STRONG THUNDERSTORMS WERE PART OF A LARGER AREA OF SHOWERS AND
THUNDERSTORMS IN NORTHEAST AND NORTH CENTRAL IOWA THAT WERE GENERALLY
WEST OF A LINE FROM THE MINNESOTA BORDER NORTHWEST OF DECORAH TO NEAR
INDEPENDENCE.

THESE THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS
AND DANGEROUS LIGHTNING AS THEY MOVE NORTHEAST AT 40 MILES AN HOUR.

IAZALL-270745-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
144 AM CDT SAT APR 27 1991

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF THE
   SOUTHEAST QUARTER OF IOWA UNTIL 4 AM...

AT 133 AM...SHOWERS AND THUNDERSTORMS WERE LOCATED MAINLY OVER THE EAST
HALF OF IOWA.  MOST OF THE PRECIPITATION WAS EAST OF A LINE FROM 30
MILES EAST OF LAMONI...TO FORT DODGE...TO 15 MILES WEST OF MASON CITY.

WITHIN THIS AREA...SCATTERED INTENSE STORMS WERE LOCATED IN A 20 MILE
BAND EXTENDING FROM 15 MILES WEST OF OTTUMWA NEAR ALBIA...TO JUST EAST
OF WATERLOO.

THESE INTENSE STORMS WERE PRODUCING BRIEF HEAVY RAIN AND FREQUENT DEADLY
LIGHTNING...ALONG WITH PEA TO MARBLE SIZE HAIL AND STRONG WINDS GUSTING
TO 40 MILES AN HOUR.
.
THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR.

PEOPLE IN THE PATH OF THESE INTENSE THUNDERSTORMS SHOULD REMAIN ALERT
FOR RAPIDLY CHANGING CONDITIONS...AND BE PREPARED TO SEEK IMMEDIATE
SHELTER SHOULD THREATENING WEATHER APPROACH.

DM/JAK

IAZ007-010-011-014-013-015-270730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
200 AM CDT SAT APR 27 1991

AT 200 AM...A PORTION OF CENTRAL AND SOUTH CENTRAL IOWA HAS BEEN CLEARED
FROM SEVERE THUNDERSTORM WATCH 199.  COUNTIES CLEARED FROM THE WATCH
ARE...

...CENTRAL...
BOONE           DALLAS          JASPER          MARSHALL
POLK            STORY

...SOUTH CENTRAL...
CLARKE          DECATUR         LUCAS           MADISON
MARION          RINGGOLD        UNION           WARREN
WAYNE

SOME CITIES NO LONGER IN THE WATCH AREA ARE...
/
AMES            BOONE           CRESTON         DES MOINES
INDIANOLA       KNOXVILLE       MARSHALLTOWN    NEWTON
PERRY

.................................................................
A LARGE PART OF THE SOUTHEAST QUARTER AND PART OF NORTHEAST IOWA
REMAIN IN WATCH 199 HOWEVER UNTIL 4 AM.

THESE INCLUDE THE FOLLOWING COUNTIES...

...NORTH CENTRAL...
BUTLER

...NORTHEAST...
BLACK HAWK      BREMER          BUCHANAN        FAYETTE

...CENTRAL...

GRUNDY          POWESHIEK       TAMA

...EAST CENTRAL...
BENTON          IOWA            JOHNSON         LINN
/
...SOUTH CENTRAL...
APPANOOSE       MAHASKA         MONROE

...SOUTHEAST...
DAVIS           DES MOINES      HENRY           JEFFERSON
KEOKUK          LEE             LOUISA          VAN BUREN
WAPELLO         WASHINGTON

SOME CITIES STILL INCLUDED IN THE WATCH AREA ARE...

BURLINGTON      CEDAR 0RAPIDS    CENTERVILLE     FAIRFIELD
GRINNELL        INDEPENDENCE    IOWA CITY       KEOKUK
MT.PLEASANT     OELWEIN         OSKALOOSA       OTTUMWA
TAMA-TOLEDO     WASHINGTON      WATERLOO        WAVERLY

MYERS