Alert archive / Iowa / Flash Flood Warnings in 2011
Flash Flood Warning 8, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 14, 2011, 3:01 PM CDT for Dickinson County, Lyon County, Osceola County, Iowa; Jackson County, Murray County, Nobles County, Minnesota. It was in force for 3 hr. 1 report 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 14, 2011, 3:01 PM CDT (20:01 UTC)
- Expired
- Jun 14, 2011, 6:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- None
Counties Dickinson County, IA, Lyon County, IA, Osceola County, IA, Jackson County, MN, Murray County, MN, Nobles County, MN
The radar
The Sioux Falls radar (KFSD), 117 km from the middle of the area, began a volume at 20:03 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 14, 3:58 PM CDT | FLASH FLOOD | 5 Nnw Lismore, MN | CHAMPEPADAN CREEK 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, 8.0 hours before the alert went out and 190 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1476 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
786
WGUS53 KFSD 142001
FFWFSD
IAC059-119-143-MNC063-101-105-142300-
/O.NEW.KFSD.FF.W.0008.110614T2001Z-110614T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
301 PM CDT TUE JUN 14 2011
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
JACKSON COUNTY IN SOUTHWEST MINNESOTA
NOBLES COUNTY IN SOUTHWEST MINNESOTA
NORTHEASTERN LYON COUNTY IN NORTHWEST IOWA
NORTHERN DICKINSON COUNTY IN NORTHWEST IOWA
NORTHERN OSCEOLA COUNTY IN NORTHWEST IOWA
SOUTHERN MURRAY COUNTY IN SOUTHWEST MINNESOTA
* UNTIL 600 PM CDT
* AT 250 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. ONE
TO TWO INCHES OF RAIN HAVE ALREADY FALLEN IN THE WARNED AREA. AN
ADDITIONAL ONE TO TWO INCHES OF RAINFALL IS EXPECTED THROUGH 5 PM
CDT.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
JACKSON...SPIRIT LAKE...WORTHINGTON...ADRIAN...ARNOLDS PARK...
BERGEN...BREWSTER...ELLSWORTH...FULDA...GEORGE...HARRIS...HERON
LAKE...LAKE PARK...LAKEFIELD...LISMORE...LITTLE ROCK...OCHEYEDAN...
OKOBOJI...ORLEANS...ROUND LAKE...RUSHMORE...SIBLEY...SUPERIOR...
WAHPETON...WEST OKOBOJI AND WILMONT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
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 4350 9492 4333 9492 4333 9604 4388 9604
4401 9547 4385 9546 4385 9486 4350 9485
$$
BUSS2 follow-up statements
877
WGUS73 KFSD 142153
FFSFSD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
453 PM CDT TUE JUN 14 2011
MNC101-142204-
/O.CAN.KFSD.FF.W.0008.000000T0000Z-110614T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MURRAY MN-
453 PM CDT TUE JUN 14 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN MURRAY
COUNTY IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4350 9485 4350 9492 4333 9492 4333 9604
4384 9603 4385 9486
$$
IAC059-119-143-MNC063-105-142300-
/O.CON.KFSD.FF.W.0008.000000T0000Z-110614T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OSCEOLA IA-LYON IA-DICKINSON IA-JACKSON MN-NOBLES MN-
453 PM CDT TUE JUN 14 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NOBLES...JACKSON...
DICKINSON...NORTHEASTERN LYON AND OSCEOLA COUNTIES UNTIL 600 PM
CDT...
AT 445 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
DOPPLER RADAR ESTIMATED A WIDESPREAD 2 TO 3 INCHES RAIN WHICH HAS
FALLEN ALONG THE I 90 CORRIDOR THIS AFTERNOON CAUSING FLOODING IN
SOME AREAS.
SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
FLOODING TO OCCUR. THE THUNDERSTORMS ARE MOVING OFF TO THE EAST...
BUT WILL LIKELY AFFECT THE WARNED AREA THROUGH THE DURATION OF THE
WARNING WHICH IS 6 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM 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 ALSO 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 4350 9485 4350 9492 4333 9492 4333 9604
4384 9603 4385 9486
$$
MJF274
WGUS73 KFSD 142259
FFSFSD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
559 PM CDT TUE JUN 14 2011
IAC059-119-143-MNC063-105-142311-
/O.EXP.KFSD.FF.W.0008.000000T0000Z-110614T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OSCEOLA IA-LYON IA-DICKINSON IA-JACKSON MN-NOBLES MN-
559 PM CDT TUE JUN 14 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NOBLES...JACKSON...
DICKINSON...NORTHEASTERN LYON AND OSCEOLA COUNTIES WILL BE ALLOWED TO
EXPIRE AT 600 PM CDT...
EXCESS RUNOFF FROM HEAVY RAIN WILL BEGIN TO RECEDE ACROSS THE WARNED
AREA AS THE HEAVIEST RAINFALL IS WEAKENING. POCKETS OF HEAVY RAIN
WILL STILL OCCUR IN JACKSON COUNTY MINNESOTA AND DICKINSON COUNTY
IOWA UNTIL ABOUT 630 PM. HOWEVER THE WIDESPREAD HEAVY RAINFALL HAS
ENDED. FLOODING OF SMALL STREAMS AND CREEKS...AS WELL AS URBAN AND
RURAL FLOODING WILL IMPROVE BETWEEN 6 AND 730 PM. IF FLOODING HAS
BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT
AGENCY.
LAT...LON 4350 9485 4350 9492 4333 9492 4333 9604
4384 9603 4385 9486
$$
MJFThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 1:41 PM CDT | Flash Flood Warning | FSD | Lyon | 3 hr |
| Jun 14, 9:21 AM CDT | Flash Flood Warning | FSD | Nobles, Rock | 2 hr |
| Jun 14, 11:24 AM CDT | Severe Thunderstorm Warning | FSD | Pipestone, Rock | 36 min |
| Jun 14, 1:19 PM CDT | Flash Flood Warning | FSD | Murray, Pipestone | 3 hr |
| Jun 14, 1:35 PM CDT | Flash Flood Warning | FSD | Cottonwood | 3 hr |
| Jun 14, 4:25 PM CDT | Flash Flood Warning | FSD | Pipestone, Rock | 3 hr |
Nearby
Flash Flood Warnings in Iowa, 2011Flash Flood Warnings in Minnesota, 2011Every flash flood warning in 2011
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.