Severe Thunderstorm Warning 121, NWS Sioux Falls, SD

SDZ010-011-012-272315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HURON SD
520 PM CDT FRI JUL 27 1990

...A FLASH FLOOD WATCH UNTIL 7 PM CDT EASTERN KINGSBURY..HAMLIN..
DEUEL..AND BROOKINGS COUNTIES OF EAST CENTRAL SOUTH DAKOTA...

AT 515 PM CDT...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEAST CLARK..
HAMLIN AND NORTHERN KINGSBURY COUNTIES HAD EXPIRED.  LARGE HAIL AND
HEAVY RAIN WAS REPORTED 6 MILES NORTH OF DE SMET.  A FLASH FLOOD WATCH
REMAINS IN EFFECT FOR EAST CENTRAL SOUTH DAKOTA UNTIL 7 PM CDT.
SHOWERS AND  THUNDERSTORMS CONTINUED IN EAST CENTRAL SOUTH DAKOTA WITH
PARTLY CLOUDY SKIES CENTRAL.  TEMPERATURES RANGED FROM MID 70S TO LOWER
80S ACROSS THE AREA.  WINDS WERE LIGHT AND VARIABLE.

FOR THE REST OF THIS EVENING THUNDERSTORMS..SOME SEVERE WITH VERY HEAVY
RAIN SHOULD CONTINUE ACROSS EAST CENTRAL SOUTH DAKOTA WITH A CHANCE OF
THUNDERSTORMS CENTRAL.  TEMPERATURES WILL REMAIN MILD WITH READING IN THE
LOW 70S TO LOWER 80S THIS EVENING.  WINDS WILL BE LIGHT AND VARIABLE.

NIELSEN

SDZ005-011-012-018-272335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
540 PM CDT FRI JUL 27 1990

...A FLASH FLOOD WATCH IS IN EFFECT FOR EAST CENTRAL SOUTH DAKOTA...

AT 530 PM CDT...NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED
OVER EAST CENTRAL AND NORTHEAST SOUTH DAKOTA...IN THE AREA ALONG AND
EAST OF A LINE FROM SISSETON...50 MILES NORTH OF WATERTOWN...TO NEAR
MADISON...WHICH IS 30 MILES SOUTHWEST OF BROOKINGS.

MOVEMENT WAS EAST AT 20 MILES AN HOUR.

SPRINGER

SDZ012-018-020-270000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
545 PM CDT WED JUL 25 1990

AT 540 PM CDT SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND
SMALL HAIL...CONTINUED IN SOUTHEAST AND EAST CENTRAL SOUTH DAKOTA AND
A SMALL PART OF NORTHWEST IOWA.

THE STRONGEST THUNDERSTORMS WERE LOCATED ACROSS MOST OF BROOKINGS
COUNTY.

OTHER SHOWERS AND THUNDERSTORMS WERE ALONG A LINE FROM 20 MILES WEST
OF SIOUX FALLS NEAR HUMBOLDT TO 40 MILES SOUTH OF SIOUX FALLS NEAR
HAWARDEN IOWA.

MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR.
 BERG

STORM REPORT
NATIONAL WEATHER SERVICE HURON SD
600 PM CDT FRI JUL 27 1990

STORM DATA FOR FRI JUL 27TH

TIME            COUNTY...LOCATION          CHARACTER OF STORM...DAMAGE

400 PM CDT   CLARK COUNTY...HURON 35NE     BASEBALL SIZE HAIL...
                   WILLOW LAKE 6S          CIVIL DEFENSE SPOTTER
426 PM CDT   KINGSBURY COUNTY...HURON 35E  LARGE HAIL BROKE WINDOWS
                   DE SMET 6N              CIVIL DEFENSE

END
SPRINGER

SDZ010-011-012-280015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HURON SD
620 PM CDT FRI JUL 27 1990

...A FLASH FLOOD WATCH UNTIL 7 PM CDT EASTERN KINGSBURY..HAMLIN..
DEUEL..AND BROOKINGS COUNTIES OF EAST CENTRAL SOUTH DAKOTA...

AT 615 PM CDT...THUNDERSTORMS CONTINUED OVER EAST CENTRAL SOUTH DAKOTA
FROM EAST OF WATERTOWN..SOUTH TO BROOKINGS.  THUNDERSTORMS HAD ALSO
BEGAN TO DEVELOP IN CENTRAL SOUTH DAKOTA SOUTHWEST OF PIERRE.  SKIES
WERE MOSTLY SUNNY IN CENTRAL SOUTH DAKOTA AND PARTLY TO MOSTLY SUNNY
EAST CENTRAL WITH TEMPERATURES IN THE MID 70S EAST TO MID 70S CENTRAL.
WINDS GENERALLY EASTERLY AT 5 TO 15 MPH.

THUNDERSTORMS SHOULD CONTINUE TO DEVELOP THIS EVENING ACROSS THE ARE&A.
TEMPERATURES WILL BE IN THE 75 TO 85 DEGREE RANGE EARLY THIS EVENING WITH
WINDS MOSTLY LIGHT.

NIELSEN

SDZ012-018-MNZ017-270000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
545 PM CDT FRI JUL 27 1990

...FLASH FLOOD WATCH FOR PARTS OF EAST CENTRAL SOUTH DAKOTA UNTIL 7PM...

AT 640 PM CDT SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND
SMALL HAIL...CONTINUED IN SOUTHEAST AND EAST CENTRAL SOUTH DAKOTA AND
SOUTHWEST MINNESOTA.

THE STRONGEST THUNDERSTORMS WERE LOCATED 20 MILES EAST OF BROOKINGS
NEAR IVANHOE AND LAKE BENLTON MINNESOTA.

OTHER SHOWERS AND THUNDERSTORMS WERE ALONG A LINE FROM 20 MILES NORTH
OF SIOUX FALLS NEAR DELL RAPIDS TO 30 MILES SOUTH OF SIOUX FALLS NEAR
CENTRAVILLE SOUTH DAKOTA.

MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR.
 BERG