Alert archive / Minnesota / Flash Flood Warnings in 2018
Flash Flood Warning 8, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 24, 2018, 5:54 PM CDT for Murray County, Minnesota. 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 24, 2018, 5:54 PM CDT (22:54 UTC)
- Expired
- Jun 24, 2018, 9:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- None
County Murray County, MN
The radar
The Sioux Falls radar (KFSD), 94 km from the middle of the area, began a volume at 22:58 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 24, 7:30 PM CDT | FLASH FLOOD | 3 Wsw Currie, MN | WATER OVER THE ROAD. |
| Jun 24, 7:30 PM CDT | FLASH FLOOD | 4 W Currie, MN | WATER OVER THE ROAD. |
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, 10.9 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
- 216 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1065 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
991 WGUS53 KFSD 242254 FFWFSD MNC101-250200- /O.NEW.KFSD.FF.W.0008.180624T2254Z-180625T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Sioux Falls SD 554 PM CDT SUN JUN 24 2018 The National Weather Service in Sioux Falls has issued a * Flash Flood Warning for... Northwestern Murray County in southwestern Minnesota... * Until 900 PM CDT. * At 554 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Current Lake and Lake Shetek State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, country roads, farmland, and other low lying spots. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && LAT...LON 4418 9564 4401 9573 4402 9606 4419 9602 $$ Weisser
1 follow-up statement
009 WGUS73 KFSD 250151 FFSFSD Flash Flood Statement National Weather Service Sioux Falls SD 851 PM CDT SUN JUN 24 2018 MNC101-250200- /O.EXP.KFSD.FF.W.0008.000000T0000Z-180625T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Murray MN- 851 PM CDT SUN JUN 24 2018 ...THE FLASH FLOOD WARNING FOR NORTHWESTERN MURRAY COUNTY WILL EXPIRE AT 900 PM CDT... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 4418 9564 4401 9573 4402 9606 4419 9602 $$ Weisser
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 4:54 AM CDT | River Flood Warning | FSD | Cottonwood, Jackson | 28 days |
| Jun 24, 4:54 AM CDT | River Flood Warning | FSD | Lyon | 4 days |
| Jun 24, 3:44 PM CDT | Tornado Warning | FSD | Lincoln, Lyon | 31 min |
| Jun 24, 4:14 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon, Murray | 28 min |
| Jun 24, 4:52 PM CDT | Flash Flood Warning | FSD | Jackson, Nobles | 4 hr |
| Jun 24, 5:04 PM CDT | Tornado Warning | FSD | Murray | 26 min |
| Jun 24, 5:32 PM CDT | Tornado Warning | FSD | Murray | 29 min |
Nearby
Flash Flood Warnings in Minnesota, 2018Every flash flood warning in 2018
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.