Severe Thunderstorm Warning 111, NWS Sioux Falls, SD

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
140 PM CDT THU JUL 23 1987

...A TORNADO WATCH IS IN EFFECT FROM 145PM CDT UNTIL 9 PM CDT
FOR PORTIONS OF EASTERN SOUTH DAKOTA...

AT 125 PM CDT...WIDELY SCATTERED THUNDERSTORMS WERE LOCATED
OVER PARTS OF SOUTH EAST CENTRAL AND SOUTHEAST SOUTH DAKOTA.

THE THUNDERSTORMS WERE OCCURRING OVER PARTS OF DAVISON...
NORTHERN HANSON AND SOUTHERN MINER COUNTIES.

MOVEMENT NWAS EAST AT 25 MILES AN HOUR.

MILLER

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
235 PM CDT THU JUL 23 1987

...A TORNADO WATCH IS IN EFFECT UNTIL 9 PM CDT
FOR PORTIONS OF EASTERN SOUTH DAKOTA...

AT 225 PM CDT...WIDELY SCATTERED SHOWERS WERE OCCURRING OVER PARTS
OF EXTREME EASTERN SOUTH DAKOTA...WHILE NORTHEAST NEBRASKA HAD
WIDELY SCATTERED THUNDERSTORMS WITH HEAVY RAIN.

IN SOUTH DAKOTA THE SHOWERS WERE LOCATED FROM NEAR HOWARD...25 MILES
NORTHWEST OF MITCHELL NORTHEAST TO ABOUT 10 MILES EAST OF CLEAR LAKE
...OR ABOUT 25 MILES NORTHEAST OF BROOKINGS. THE THUNDERSTORMS THAT
WERE IN NEBRASKA WERE ABOUT 10 MILES SOUTH OF BONESTEEL

MOVEMENT WAS EAST AT 15 MILES AN HOUR.

MILLER

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
335 PM CDT THU JUL 23 1987

...A TORNADO WATCH IS IN EFFECT UNTIL 9 PM CDT
FOR PORTIONS OF EASTERN SOUTH DAKOTA...

AT 325 PM CDT...WIDELY SCATTERED THUNDERSTORMS AND SHOWERS WERE
OCCURRING OVER PARTS OF EXTREME SOUTH CENTRAL SOUTH DAKOTA.

IN SOUTH DAKOTA THE SHOWERS WERE LOCATED OVER SOUTHERN CHARLES MIX AND
GREGORY COUNTIES OR SOUTH OF A BONESTEEL/ARMOUR LINE.

MOVEMENT WAS EAST AT 15 MILES AN HOUR.

MILLER

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
515 PM CDT THU JUL 23 1987

...TORNADO WATCH UNTIL 9 PM CDT FOR A LARGE PORTION OF SOUTH DAKOTA
AND SOUTHWEST MINNESOTA...

AT 510 PM CDT RADAR INDICATED ONLY LIGHT RAIN SHOWERS ACROSS DOUGLAS
COUNTY OF SOUTHEAST SOUTH DAKOTA. THESE SHOWERS CONTINUE TO WEAKEN
AS THEY MOVED EAST.
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HOWEVER...THUNDERSTORMS ARE EXPECTED TO REDEVELOP OVER THE WATCH AREA
TONIGHT AS AN UPPER LEVEL DISTURBANCE MOVES ACROSS SOUTH DAKOTA.
AT 510 PM THUNDERSTORMS HAD BEGUN TO DEVELOP OVER WESTERN SOUTH DAKOTA
WITH THIS DISTURBANCE. PERSONS ACROSS EASTERN SOUTH DAKOTA...SOUTHWEST
MINNESOTA AND NORTHWEST IOWA SHOULD KEEP ABREAST OF THIS WEATHjER
SITUATION BY LISTENING TO NOAA WEATHER RADIO...LOCAL RADIO OR
TELEVISION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
JANSEN

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
740 PM CDT THU JUL 23 1987

...A TORNADO WATCH IS IN EFFECT UNTIL 9 PM CDT
FOR PORTIONS OF EASTERN SOUTH DAKOTA...

AT 730 PM CDT...AN ISOLATED INTENSE THUNDERSTORM WITH VERY HEAVY
RAIN WAS LOCATED OVER SOUTHEAST CENTRAL SOUTH DAKOTA.

THE THUNDERSTORM WAS OVER CENTRAL AURORA COUNTY...NEAR PLANKINTON
OR ABOUT 30 MILES WEST OF MITCHELL.

HAIL AND STRONG WINDS ARE POSSI)BLE WITH THIS STORM.

MOVEMENT COULD NOT BE DETERMINED AT THIS TIME.

MILLER

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
740 PM CDT THU JUL 23 1987

...A TORNADO WATCH IS IN EFFECT UNTIL 9 PM CDT FOR A
LARGE PART OF WESTERN..CENTRTAL AND EASTERN SOUTH DAKOTA...

AT 730 PM CDT...AN ISOLATED INTENSE THUNDERSTORM WITH VERY HEAVY
RAIN WAS LOCATED OVER SOUTHEAST CENTRAL SOUTH DAKOTA.

THE THUNDERSTORM WAS OVER CENTRAL AURORA COUNTY...NEAR PLANKINTON
OR ABOUT 30 MILES WEST OF MITCHELL.

H+AIL AND STRONG WINDS ARE POSSIBLE WITH THIS STORM.

MOVEMENT COULD NOT BE DETERMINED AT THIS TIME.

MILLER