Alert archive / Minnesota / Flash Flood Warnings in 2011
Flash Flood Warning 9, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 14, 2011, 4:25 PM CDT for Pipestone County, Rock County, Minnesota; Minnehaha County, Moody County, South Dakota. 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, 4:25 PM CDT (21:25 UTC)
- Expired
- Jun 14, 2011, 7:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- None
Counties Pipestone County, MN, Rock County, MN, Minnehaha County, SD, Moody County, SD
The radar
The Sioux Falls radar (KFSD), 48 km from the middle of the area, began a volume at 21:28 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, 4:52 PM CDT | FLASH FLOOD | Pipestone, MN | PIPESTONE CREEK ABOVE FLOOD STAGE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 9.4 hours before the alert went out and 195 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
- 1348 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 527 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
629 WGUS53 KFSD 142125 FFWFSD MNC117-133-SDC099-101-150030- /O.NEW.KFSD.FF.W.0009.110614T2125Z-110615T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 425 PM CDT TUE JUN 14 2011 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA NORTHWESTERN ROCK COUNTY IN SOUTHWEST MINNESOTA SOUTHEASTERN MOODY COUNTY IN EAST CENTRAL SOUTH DAKOTA SOUTHWESTERN PIPESTONE COUNTY IN SOUTHWEST MINNESOTA * UNTIL 730 PM CDT * AT 419 PM CDT...THE RIVER GAGE ON THE PIPESTONE CREEK AT PIPESTONE INDICATED THAT FLASH FLOODING WAS OCCURRING. RAINFALL OF 1 TO 3 INCHES HAS OCCURRED SINCE EARLY THIS AFTERNOON ACROSS THE AREA. THE RAIN HAS ENDED ACROSS THE AREA. * THIS WAS CAUSING FLASH FLOODING IN PIPESTONE CREEK AT PIPESTONE. AT 315 PM CDT...THE RIVER GAGE ON PIPESTONE CREEK WAS AT 17.4 FEET. THIS IS 1.4 FEET ABOVE FLOOD STAGE. THE RIVER MAY RISE ABOVE 18 FEET BEFORE BEGINNING TO FALL. THIS WATER WILL CONTINUE DOWNSTREAM AND IS EXPECTED TO CAUSE FLOODING NEAR PIPESTONE CREEK IN RURAL AREAS OF FAR SOUTHEAST MOODY COUNTY AND FAR NORTHEAST MINNEHAHA COUNTY NORTH OF SHERMAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && LAT...LON 4406 9619 4377 9636 4377 9657 4398 9650 $$
1 follow-up statement
282 WGUS73 KFSD 142248 FFSFSD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 548 PM CDT TUE JUN 14 2011 MNC117-133-SDC099-101-150030- /O.CON.KFSD.FF.W.0009.000000T0000Z-110615T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIPESTONE MN-ROCK MN-MOODY SD-MINNEHAHA SD- 548 PM CDT TUE JUN 14 2011 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN MINNEHAHA...SOUTHEASTERN MOODY...NORTHWESTERN ROCK AND SOUTHWESTERN PIPESTONE COUNTIES UNTIL 730 PM CDT... AT 530 PM CDT...THE PIPESTONE CREEK IN PIPESTONE WAS BEGINNING TO LEVEL OFF...WITH THE GAGE REPORTING 18.5 FEET. THE GAGE WILL LIKELY TOP OUT NEAR 18.6 TO 18.7 FEET WHICH IS IN THE MODERATE FLOODING CATEGORY. FLOODING IS LIKELY TO OCCUR FOR LOCATIONS ALONG THE PIPESTONE CREEK DOWNSTREAM THROUGH THE FLOOD WARNING AREA. WITH THE RAINFALL MOVING WELL EAST OF THIS AREA...THE FLOODING THREAT WILL RECEDE THIS EVENING. IF FLOODING WAS OBSERVED PLEASE RELAY YOUR REPORT TO LOCAL LAW ENFORCEMENT OR TO THE NATIONAL WEATHER SERVICE IN SIOUX FALLS. LAT...LON 4406 9619 4377 9636 4377 9657 4398 9650 $$ MJF
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 1:41 PM CDT | Flash Flood Warning | FSD | Rock | 3 hr |
| Jun 14, 3:01 PM CDT | Flash Flood Warning | FSD | Jackson, Murray, Nobles | 3 hr |
| Jun 13, 7:39 PM CDT | River Flood Warning | FSD | Davison | 4 hr |
| Jun 14, 10:21 AM CDT | River Flood Warning | FSD | Brule | 69 days |
| Jun 14, 12:29 PM CDT | Flash Flood Warning | FSD | Lincoln, Minnehaha | 3 hr |
| Jun 14, 4:44 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 46 min |
Nearby
Flash Flood Warnings in Minnesota, 2011Flash Flood Warnings in South Dakota, 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.