Flash Flood Warning 10, NWS Sioux Falls, SD

Issued

Jul 8, 2003, 3:00 AM CDT (08:00 UTC)

Expired

Jul 8, 2003, 5:00 AM CDT

In force

2 hr

Issued by

NWS Sioux Falls, SD

Area

Counties, with a storm outline in the text

County Clay County, SD

The Sioux Falls radar (KFSD), 72 km from the middle of the area, began a volume at 08:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
WGUS53 KFSD 080800
FFWFSD
SDC027-081000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 AM CDT TUE JUL 8 2003

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CLAY COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 500 AM CDT

* AT 258 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WERE PRODUCING VERY HEAVY RAINFALL OVER THE WARNED   
  AREA.  RAINFALL ESTIMATES OF 2 TO 3 INCHES HAVE BEEN INDICATED BY
  RADAR IN NORTHERN CLAY COUNTY.  THUNDERSTORMS ARE EXPECTED TO   
  CONTINUE TO MOVE ACROSS THIS AREA THROUGH 4 AM PRODUCING AN   
  ADDITIONAL 1 TO 2 INCHES OF RAIN.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 4289 9709 4289 9684 4308 9684 4309 9711

$$

SCHUMACHER

000 
WGUS73 KFSD 080913
FFSFSD
SDC027-080945-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
411 AM CDT TUE JUL 8 2003

...FLASH FLOOD WARNING CONTINUES UNTIL 500 AM CDT FOR...

...NORTHERN CLAY COUNTY IN SOUTHEAST SOUTH DAKOTA...

AT 410 AM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS 
CONTINUING ACROSS NORTHERN CLAY COUNTY.  THESE STORMS ARE EXPECTED 
TO MOVE OF CLAY COUNTY BY 430 AM.  ADDITIONAL RAINFALL IS EXPECTED 
TO BE LESS THAN ONE QUARTER OF AN INCH.  HOWEVER...WITH ESTIMATES OF 
2 TO 4 INCHES OF RAIN SINCE 1 AM...THE THREAT OF FLASH FLOODING WILL 
CONTINUE AS WATER FROM PREVIOUS THUNDERSTORMS CONTINUES TO RUN OFF.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

$$

SCHUMACHER

000 
WGUS73 KFSD 081000
FFSFSD
SDC027-081030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
459 AM CDT TUE JUL 8 2003

...FLASH FLOOD WARNING EXPIRED FOR...

...NORTHERN CLAY COUNTY IN SOUTHEAST SOUTH DAKOTA...

RAINFALL HAS ENDED ACROSS NORTHERN CLAY COUNTY. WHILE A FEW SHOWERS 
MAY MOVE INTO THE AREA THROUGH 9 AM...ADDITIONAL RAINFALL THIS 
MORNING WILL BE LESS THAN A TENTH OF AN INCH.  THEREFORE THE THREAT 
OF FLASH FLOODING HAS ENDED ACROSS THE AREA.

$$

SCHUMACHER

Flash Flood Warnings in South Dakota, 2003Every flash flood warning in 2003

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.