Flash Flood Warning 21, NWS Sioux Falls, SD

Issued

Jun 20, 2005, 8:14 PM CDT (01:14 UTC)

Expired

Jun 20, 2005, 11:15 PM CDT

In force

3 hr

Issued by

NWS Sioux Falls, SD

Area

Counties, with a storm outline in the text

Counties Lincoln County, MN, Lyon County, MN, Murray County, MN, Brookings County, SD

The Sioux Falls radar (KFSD), 101 km from the middle of the area, began a volume at 01:18 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

000 
WGUS53 KFSD 210115
FFWFSD
MNC081-083-101-SDC011-210415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
814 PM CDT MON JUN 20 2005

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN BROOKINGS COUNTY IN EAST CENTRAL SOUTH DAKOTA
  LINCOLN COUNTY IN SOUTHWEST MINNESOTA
  LYON COUNTY IN SOUTHWEST MINNESOTA
  NORTHERN MURRAY COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 1115 PM CDT

* AT 814 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING PRODUCING RAINS FROM THUNDERSTORMS ALONG A LINE 
  EXTENDING FROM 8 MILES NORTHWEST OF CURRIE TO 3 MILES NORTHWEST OF 
  HENDRICKS...OR ALONG A LINE EXTENDING FROM 11 MILES NORTH OF 
  SLAYTON TO 21 MILES NORTHEAST OF BROOKINGS...MOVING SOUTHEAST AT 
  20 MPH.

RADAR ESTIMATES 1 TO 3 INCHES OF RAIN HAS FALLEN IN SINCE 600 PM. 
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SIOUX
FALLS.

LAT...LON 4464 9653 4444 9664 4394 9551 4429 9550

$$

MG

000 
WGUS73 KFSD 210339
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1037 PM CDT MON JUN 20 2005

MNC081-083-101-SDC011-210415-
LYON MN-LINCOLN MN-MURRAY MN-BROOKINGS SD-
1037 PM CDT MON JUN 20 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1115 PM CDT FOR 
NORTHEASTERN BROOKINGS...NORTHERN MURRAY...LINCOLN AND LYON 
COUNTIES...

AT 1037 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE THUNDERSTORMS THAT HAD PRODUCED HEAVY RAINFALL IN THE AREA 
EARLIER THIS EVENING HAD MOVED OUT OF THE REGION. HOWEVER...RUNOFF 
FROM THE EARLIER RAINS CAN CONTINUE TO CAUSE FLOODING FOR SOME TIME 
YET. STREET FLOODING WAS REPORTED IN BROOKINGS AROUND 915 PM CDT.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. 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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SIOUX
FALLS.

LAT...LON 4464 9653 4444 9664 4394 9551 4429 9550

$$

MG

Flash Flood Warnings in Minnesota, 2005Flash Flood Warnings in South Dakota, 2005Every flash flood warning in 2005

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