Severe Thunderstorm Warning 122, NWS Des Moines, IA

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WATERLOO IA
1149 PM CDT WED JUN 27 1990

...SEVERE WEATHER REPORTS FOR JUNE 27 1990...

TIME OF OCCURRENCE IN CDT               EVENT AND LOCATION

240 PM     MITCHELL CO...    GOLF BALL SIZE HAIL IN OSAGE WITH BROKEN WINDOWS
                             AND A DOWNED TREE.
240 PM     BUTLER CO...      45 TO 50 MPH WINDS NEAR CLARKSVILLE.
314 PM     BREMER CO...      UNCONFIRMED FUNNEL CLOUD SPOTTED SOUTH OF
                             TRIPOLI.
327 PM     BREMER CO...      TRIPOLI FIRE DEPT. RECEIVED AN UNCONFIRMED
                             REPORT OF A FUNNEL CLOUD
421 PM     BLACK HAWK CO...  40 TO 50 MPH WINDS AND 3/4 INCH HAIL AT
                             GILBERTVILLE.
430 PM     BLACK HAWK CO...  3/4 INCH HAIL AT RAYMOND.
430 PM     BREMER CO...      LARGE TREES AND POWER LINES DOWN IN TRIPOLI
                             AND 2 TRAILER HOMES DESTROYED AT THE
                             TRIPOLI TRAILER COURT.
430 PM     BLACK HAWK CO...  UNCONFIRMED FUNNEL CLOUD SPOTTED FROM A
                             TRAILER SOUTH OF WATERLOO ON ELK RUN ROAD.
                             GOLF BALL SIZE HAIL EAST OF WATERLOO AND
                             NEAR IBP PLANT EAST OF WATERLOO.
440 PM     BLACK HAWK CO...  WATER OVER SOME ROADS IN DUNKERTON.
445 PM     BLACK HAWK CO...  UNCONFIRMED REPORT OF A FUNNEL TOUCHDOWN
                             BETWEEN GILBERTVILLE AND ELK
 RUN HEIGHTS.
503 PM     BUCHANAN CO...    OLD HIGHWAY 20 ROAD FLOODED.

COLLAR

IAZALL-280630-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IOWA
1215 AM CDT THU JUN 28 1990

AT 1209 AM...AN INTENSE THUNDERSTORM WAS LOCATED VERY NEAR ROCK RAPIDS
IN NORTHWEST IOWA...OR ABOUT 40 MILES NORTH OF SIOUX CITY.  THIS STORM
IS CAPABLE OF PRODUCING EXTREMELY HEAVY RAIN...LARGE AND DAMAGING HAIL
ALONG WITH DAMAGING WIND IN EXCESS OF 65 MILES AN HOUR.  THE STORM WILL
LIKELY MOVE INTO THE SIOUX CENTER AND /HULL AREAS BY 1240AM.

THE THUNDERSTORM WAS MOVING SOUTHEAST AT 35 MILES AN HOUR.

HUTTON

IAZALL-280630-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED...1ST LINE
NATIONAL WEATHER SERVICE DES MOINES IOWA
1215 AM CDT THU JUN 28 1990

AT 1209 AM...AN INTENSE THUNDERSTORM WAS LOCATED VERY NEAR ROCK VALLEY
IN NORTHWEST IOWA...OR ABOUT 40 MILES NORTH OF SIOUX CITY.  THIS STORM
IS CAPABLE OF PRODUCING EXTREMELY HEAVY RAIN...LARGE AND DAMAGING HAIL
ALONG WITH DAMAGING WIND IN EXCESS OF 65 MILES AN HOUR.  THE STORM WILL
LIKELY MOVE3 INTO THE SIOUX CENTER AND HULL AREAS BY 1240AM.

THE THUNDERSTORM WAS MOVING SOUTHEAST AT 35 MILES AN HOUR.

...CORRECTED...SHOULD BE ROCK VALLEY AND NOT ROCK RAPIDS...

HUTTON

IAZALL-280700-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IOWA
1244 AM CDT THU JUN 28 1990

AT 1229 AM...AN INTENSE THUNDERSTORM WAS LOCATED ACROSS CENTRAL SIOUX
COUNTY...NEAR HULL AND SIOUX CENTER OR ABOUT 35 MILES NORTH OF SIOUX
CITY.  THESE STORMS ARE CAPABLE OF PRODUCING EXTREMELY HEAVY RAIN...
LARGE AND DAMAGING HAIL AND DAMAGING WIND IN EXCESS OF 65 MILES AN HOUR.
IN ADDITION...NEARLY CONTINUOUS LIGHTNING HAS BEEN REPORTED.  THIS
CELL IS LIKELY TO MOVE INTO NORTHWEST CHEROKEE COUNTY BY 120 AM.

OTHER SHOWERS AND THUNDERSTORMS WERE NEAR ESTHERVILLE AND NEAR SIBLEY...
ALL IN FAR NORTHWESTERN IOWA.

SHOWERS AND THUNDERSTORMS WERE ALSO INDICATED IN FAR NORTHEAST IOWA.
THE PRECIPITATION EXTENDED FROM 20 MILES NORTHWEST OF DUBUQUE...TO
NEAR DECORAH...OR ABOUT 55 MILES EAST OF MASON CITY.

THE SHOWERS AND THUNDERSTORMS IN THE NORTHEAST WERE MOVING EAST AT 25
MILES AN HOUR...WHILE THE STORMS IN THDE NORTHWEST WERE MOVING SOUTHEAST
AT 35 MILES AN HOUR.

HUTTON

IAZALL-280730-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IOWA
149 AM CDT THU JUN 28 1990

...SEVERE THUNDERSTORM WATCH NORTHWEST IOWA UNTIL 5AM...

AT 126 AM...INTENSE THUNDERSTORMS WERE INDICATED IN NORTHWEST IOWA...
FROM NEAR SPENCER...TO CHEROKEE TO NEAR LE MARS...OR ABOUT 20 MILES
NORTHEAST OF SIOUX CITY.  THESE STORMS ARE LIKELY PRODUCING EXTREMELY
HEAVY RAIN...LARGE AND DAMAGING HAIL AND DAMAGING WIND IN EXCESS OF 65
MILES AN HOUR.  LOW LYING FLOODING IS POSSIBLE IN THESE AREAS.  THE
THUNDERSTORMS WILL LIKELY BE IN THE STORM LAKE AREA AND EASTERN CLAY
COUNTY BY 115 AM.

ANOTHER INTENSE THUNDERSTORM WAS IN NORTHWEST SIOUX COUNTY...ABOUT 45
MILES NORTH OF SIOUX CITY.  THIS STORM IS ALSO CAPABLE OF PRODUCING
EXTREMELY HEAVY RAIN...LARGE HAIL AND DAMAGING WIND.

THE THUNDESTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR.

HUTTON

IAZALL-280830-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IOWA
236 AM CDT THU JUN 28 1990

...SEVERE THUNDERSTORM WATCH NORTHWEST IOWA UNTIL 5AM...

AT 225 AM...INTENSE THUNDERSTORMS WERE INDICATED IN NORTHWEST IOWA...
FROM JUST WEST OF EMMETSBURG...OR ABOUT 70 MILES WEST OF MASON CITY...
TO CENTRAL POCOHONTAS COUNTY...TO 10 MILES NORTH OF IDA GROVE...OR
ABOUT 40 MILES EAST OF SIOUX CITY.  THESE STORMS ARE STILL CAPABLE
OF PRODUCING EXTREMELY HEAVY RAINFALL...HAIL AND DAMAGING WIND IN
EXCESS OF 65 MILES AN HOUR.  EARLIER TONIGHT...AN OBSERVER IN SHELDON
REPORTED 1.90 INCHES OF RAIN IN 30 MINUTES AS THE STORMS MOVED THROUGH.
LOW LYING AREAS COULD EXPERIENCE FLOODING WITH THE HEAVY RAINS.

OTHER VERY STRONG THUNDERSTORMS WERE IN THE NORTHWEST CORNER OF THE
STATE...ABOUT 30 MILES NORTHEAST AND 45 MILES NORTH OF SIOUX CITY.

THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR.

HUTTON