Flash Flood Warning 6, NWS Sioux Falls, SD

SDZ017-018-019-020-162300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
615 PM CDT SAT JUN 16 1990

...TORNADO WATCH IN EFFECT FOR SOUTHCENTRAL AND SOUTHEAST SOUTH
DAKOTA UNTIL 7PM CDT...

AT 605 PM CDT SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED
IN SOUTHEAST SOUTH DAKOTA.

THE THUNDERSTORMS WERE LOCATED SOUTH OF A LINE FROM SIOUX FALLS TO
MITCHELL SOUTH DAKOTA.

STRONGER THUNDERSTORMS WERE LOCATED 30 MILES SOUTH OF SIOUX FALLS
OR JUST NORTHEAST OF BERESFORD AND JUST NORTH OF YANKTON.

THESE STORMS ARE CAPABLE OF DANGEROUS CLOUD TO GROUND LIGHTNING...
HAIL AND GUSTY WINDS.
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THESE STORMS CAN PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE
WARNING SO BE ON NTHE LOOKOUT AND LISTEN TO LATER STATEMENTS AND
WARNINGS.

MOVEMENT OF THE STORMS WAS NORTHEAST AT 35 MILES AN HOUR.
 SHEEHAN

SDZ012-018-170015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
652 PM CDT SAT JUN 16 1990

...LINE OF THUNDERSTORMS MOVING ACROSS BROOKINGS AND LAKE COUNTIES
OF EASTERN SOUTH DAKOTA...

AT 650 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS WITH HEAVY RAINS
FROM 50 MILES NORTH NORTHWEST OF SIOUX FALLS NEAR BROOKINGS TO 35 MILES
NORTHWEST OF SIOUX FALLS JUST SOUTHWEST OF MADISON SOUTH DAKOTA.
THIS LINE WAS MOVING EAST AT 45 MPH.

GUSTY WINDS...SMALL HAIL AND HEAVY RAINS CAN BE EXPECTED WITH THIS LINE
AS IT MOVES EAST ACROSS LAKE AND BROOKINGS COUNTY.

SDZ012-017-018-019-020-170100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
717 PM CDT SAT JUN 16 1990

...TORNADO WATCH IN EFFECT FOR SOUTHCENTRAL AND SOUTHEAST SOUTH
DAKOTA UNTIL 7PM CDT...

AT 705 PM CDT SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED
IN SOUTHEAST SOUTH DAKOTA AND NORTHWEST IOWA.

THE THUNDERSTORMS EXTENDED FROM NEAR YANKTON TO NEAR BROOKINGS.

STRONGER THUNDERSTORMS WERE LOCATED NEAR BROOKINGS AND 25 MILES SOUTH/
EAST OF SIOUX FALLS NEAR SIOUX CENTER IOWA.

THESE STORMS ARE CAPABLE OF DANGEROUS CLOUD TO GROUND LIGHTNING...
HAIL AND GUSTY WINDS.
THESE STORMS CAN PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE
WARNING SO BE ON THE LOOKOUT AND  LISTEN TO LATER STATEMENTS AND
WARNINGS.

MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR.
 BERG

SDZ012-017-018-019-020-170100-

SPECIAL WEATHER STATEMENT   ...CORRECTED FOR TORNADO WATCH...
NATIONAL WEATHER SERVICE SIOUX FALLS SD
722 PM CDT SAT JUN 16 1990

...TORNADO WATCH IN EFFECT FOR EAST CENTRAL AND SOUTHEAST SOUTH
DAKOTA...SOUTHWEST MINNESOTA AND NORTHWEST IOWA UNTIL 11 PM CDT...

AT 705 PM CDT SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED
IN SOUTHEAST SOUTH DAKOTA AND NORTHWEST IOWA.

THE THUNDERSTORMS EXTENDED FROM NEAR YANKTON TO NEAR BROOKINGS.

STRONGER THUNDERSTORMS WERE LOCATED NEAR BROOKINGS AND 25 MILES SOUTH/
EAST OF SIOUX FALLS NEAR SIOUX CENTER IOWA.

THESE STORMS ARE CAPABLE OF PRODUCING DANGEROUS CLOUD TO GROUND
LIGHTENING...HAIL AND GUSTY WINDS.
TH1ESE STORMS CAN PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE
WARNING SO BE ON THE LOOKOUT AND LISTEN TO LATER STATEMENTS AND
WARNINGS.

MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR.
 BERG

IAZ004-170130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
725 PM CDT SAT JUN 16 1990

...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHEAST NEBRASKA AND
   NORTHWEST IOWA TONIGHT...
...A TORNADO WATCH IS IN EFFECT FOR NORTHEAST NEBRASKA UNTIL 9 PM CDT.
...A TORNADO WATCH IS IN EFFECT FOR SOUTHEAST SOUTH DAKOTA AND PART
   OF NORTHWEST IOWA UNTIL 11 PM CDT...

STRONG THUNDERSTORMS WERE MOVING ACROSS SIOUX COUNTY IOWA EARLY THIS
EVENING. AT 7:20 PM CDT RADAR SHOWED THUNDERSTORMS NORTH OF A LINE
FROM CHATSWORTH IOWA TO HOSPERS IOWA. THE STORMS WERE MOVING
NORTHEAST AT 35 MPH.

THE STORM WILL PRODUCE LOCALLY HEAVY RANFALL AND MAY PRODUCE PEA TO
MARBLE SIZE HAIL. PEOPLE IN SIOUX COUNTY SHOULD BE ALERT TO CHANGING
WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF
THREATENING WEATHER APPROACHES.

HOPPES

SDZ010-161930-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
750 PM CDT SAT JUN 16 1990

...TORNADO WATCH IN EFFECT FOR PARTS OF EAST CENTRAL AND SOUTHEAST
SOUTH DAKOTA UNTIL 11 PM CDT.

AT 730 PM CDT...A ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN AND HAIL WAS
LOCATED 10 MILES SOUTHEAST OF BROOKINGS NEAR ELKTON. MOVEMENT WAS EAST
AT 50 MILES AN HOUR.

ALSO...A LARGE AREA OF SHOWERS AN NUMEROUS THUNDERSTORMS CONTINUED
OVER EASTERN AND SOUTHEAST SOUTH DAKOTA. THE AREA WAS FROM NORTHEAST
SOUTH DAKOTA TO NORTHEAST NEBRASKA AND EAST OF A LINE FROM SISSETON
TO 30 MILES SOUTHEAST OF PIERRE TO SOUTH OF LAKE ANDES NEAR THE
MISSOURI RIVER. THE STRONGEST THUNDERSTORMSz WERE 30 MILES EAST OF
YANKTON AND 20 MILES NORTH OF SIOUX FALLS. MOVEMENT WAS EAST AT 50
MILES AN HOUR.
MOHR