Alert archive / Minnesota / Flash Flood Warnings in 2005
Flash Flood Warning 18, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 20, 2005, 4:41 PM CDT for Jackson County, Minnesota; Dickinson County, Iowa. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 20, 2005, 4:41 PM CDT (21:41 UTC)
- Expired
- Jun 20, 2005, 7:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
Counties Dickinson County, IA, Jackson County, MN
The radar
The Sioux Falls radar (KFSD), 121 km from the middle of the area, began a volume at 21:44 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 20, 4:45 PM CDT | FLASH FLOOD | Jackson, MN | STREET FLOODING |
| Jun 20, 5:10 PM CDT | FLASH FLOOD | Spirit Lake, IA | STREET FLOODING |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.7 hours before the alert went out and 194 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 93 J/kg
- Mixed-layer CIN
- -433 J/kg
- Mixed-layer LCL
- 1305 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KFSD 202144 FFWFSD IAC059-MNC063-210045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 441 PM CDT MON JUN 20 2005 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN DICKINSON COUNTY IN NORTHWEST IOWA SOUTHERN JACKSON COUNTY IN SOUTHWEST MINNESOTA * UNTIL 745 PM CDT * AT 441 PM CDT...VERY HEAVY RAIN WAS INDICATED BY RADAR FROM A LINE OF THUNDERSTORMS ALONG THE JACKSON/DICKINSON COUNTY LINE. ADDITIONAL THUNDERSTORMS WILL CONTINUE MOVING THROUGH THIS AREA OVER THE NEXT HOUR. RADAR INDICATED 1 TO 2 INCHES OF RAIN HAD ALREADY FALLEN IN THIS AREA THIS AFTERNOON...AND 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...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. 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. LAT...LON 4367 9545 4338 9537 4336 9495 4365 9489 $$ MG
2 follow-up statements
000 WGUS73 KFSD 202239 FFSFSD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 535 PM CDT MON JUN 20 2005 IAC059-MNC063-210045- DICKINSON IA-JACKSON MN- 535 PM CDT MON JUN 20 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 745 PM CDT FOR SOUTHERN JACKSON AND NORTHERN DICKINSON COUNTIES... AT 529 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE LINE OF THUNDERSTORMS THAT PRODUCED VERY HEAVY RAIN OVER THE WARNED AREA HAD MOVED TO THE SOUTHEAST. RAINFALL AMOUNTS OF 2 TO 3 INCHES HAVE BEEN REPORTED...WITH 1 TO 1.5 INCHES OF THAT RAIN FALLING IN 30 MINUTES OR LESS WHEN THE STRONGEST STORMS MOVED THROUGH. ADDITIONAL RAINFALL AMOUNTS OF LESS THAN ONE HALF INCH ARE POSSIBLE IN THE WARNED AREA THROUGH 600 PM...BUT RUNOFF FROM THE EARLIER RAINS CAN STILL CAUSE FLOODING FOR SOME TIME YET. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4367 9545 4338 9537 4336 9495 4365 9489 $$ MG
000 WGUS73 KFSD 210009 FFSFSD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 707 PM CDT MON JUN 20 2005 IAC059-MNC063-210017- DICKINSON IA-JACKSON MN- 707 PM CDT MON JUN 20 2005 ...THE FLASH FLOOD WARNING FOR JACKSON AND DICKINSON COUNTIES IS CANCELLED... AT 707 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT ALL OF THE RAINS HAD MOVED OUT OF THE AREA. ANY RUNOFF FROM THE EARLIER HEAVY RAINS SHOULD BE ON THE DECREASE...SO ADDITIONAL FLASH FLOODING IS NOT EXPECTED. LAT...LON 4367 9545 4338 9537 4336 9495 4365 9489 $$ MG
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 2:28 PM CDT | Severe Thunderstorm Warning | FSD | Murray | 47 min |
| Jun 20, 3:09 PM CDT | Severe Thunderstorm Warning | FSD | Pipestone, Rock | 51 min |
| Jun 20, 3:17 PM CDT | Tornado Warning | FSD | Pipestone, Rock | 32 min |
| Jun 20, 3:45 PM CDT | Severe Thunderstorm Warning | FSD | Rock | 31 min |
| Jun 20, 3:46 PM CDT | Severe Thunderstorm Warning | FSD | Pipestone, Rock | 28 min |
| Jun 20, 3:57 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 33 min |
| Jun 20, 4:01 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 44 min |
| Jun 20, 4:39 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 52 min |
| Jun 20, 4:23 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 67 min |
| Jun 20, 4:26 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 34 min |
| Jun 20, 4:57 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 51 min |
| Jun 20, 5:45 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 45 min |
Nearby
Flash Flood Warnings in Minnesota, 2005Flash Flood Warnings in Iowa, 2005Every flash flood warning in 2005
Sources
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.