Alert archive / Minnesota / Flash Flood Warnings in 2018
Flash Flood Warning 16, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jul 3, 2018, 6:37 AM CDT for Murray County, Minnesota. It was in force for 7 hr. 8 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
- Jul 3, 2018, 6:37 AM CDT (11:37 UTC)
- Expired
- Jul 3, 2018, 1:30 PM CDT
- In force
- 7 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Emergency
- Flash flood emergency
- Flood severity
- None
County Murray County, MN
The radar
The Sioux Falls radar (KFSD), 98 km from the middle of the area, began a volume at 11:41 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 |
|---|---|---|---|
| Jul 3, 6:37 AM CDT | FLASH FLOOD | 4 N Currie, MN | BASEMENT FLOODING AROUND LAKE SHETEK. |
| Jul 3, 7:07 AM CDT | HEAVY RAIN 7.1 | 4 N Currie, MN | MOST OF THIS FELL IN JUST OVER 2 HOURS. |
| Jul 3, 7:13 AM CDT | FLASH FLOOD | 5 Nw Currie, MN | WATER OVER HIGHWAY 59 AT THE LAKE SHETEK TURNOFF. ALSO WATER OVER HIGHWAY 59 AT PETE'S CORNER. SOME EVACUATIONS TAKING PLACE AROUND LAKE SHETEK. |
| Jul 3, 8:26 AM CDT | HEAVY RAIN 8.04 | 4 N Currie, MN | RAIN TOTAL SINCE MIDNIGHT. |
| Jul 3, 9:00 AM CDT | FLASH FLOOD | 2 Nne Current Lake, MN | WATER OVER 221ST ST. |
| Jul 3, 9:20 AM CDT | FLASH FLOOD | 2 Ese Woodstock, MN | WATER OVER HWY 30. |
| Jul 3, 9:25 AM CDT | FLASH FLOOD | 2 Wsw Lake Wilson, MN | WATER OVER 40TH AVE SOUTH OF HWY 30. |
| Jul 3, 10:32 AM CDT | HEAVY RAIN 8.61 | 4 N Currie, MN | RAIN TOTAL SINCE MIDNIGHT. |
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 00:00Z, 11.6 hours before the alert went out and 188 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
- 654 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1535 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 273 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.0
The text
As transmitted.
581 WGUS53 KFSD 031137 FFWFSD MNC101-031630- /O.NEW.KFSD.FF.W.0016.180703T1137Z-180703T1630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Sioux Falls SD 637 AM CDT TUE JUL 3 2018 The National Weather Service in Sioux Falls has issued a * Flash Flood Warning for... Northern Murray County in southwestern Minnesota... * Until 1130 AM CDT. * At 636 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Three to five inches of rain have fallen over the warned area, and additional rain is expected. Flash flooding is expected. * Some locations that will experience flooding include... Slayton, Lake Wilson, Currie, Dovray, Lake Shetek State Park, Current Lake and Hadley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4398 9546 4399 9606 4420 9606 4419 9546 $$ BT
2 follow-up statements
274 WGUS73 KFSD 031211 FFSFSD Flash Flood Statement National Weather Service Sioux Falls SD 711 AM CDT TUE JUL 3 2018 MNC101-031630- /O.CON.KFSD.FF.W.0016.000000T0000Z-180703T1630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Murray MN- 711 AM CDT TUE JUL 3 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT FOR NORTHERN MURRAY COUNTY... At 710 AM CDT, trained weather spotters reported thunderstorms producing heavy rain near Currie MN. 7 inches of rain have fallen near Currie MN. Flash flooding is occurring. Some locations that will experience flooding include... Slayton, Lake Wilson, Currie, Dovray, Lake Shetek State Park, Current Lake and Hadley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4398 9546 4399 9606 4420 9606 4419 9546 $$ BT
272 WGUS53 KFSD 031453 FFWFSD MNC101-031830- /O.EXT.KFSD.FF.W.0016.000000T0000Z-180703T1830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Sioux Falls SD 953 AM CDT TUE JUL 3 2018 ...FLASH FLOOD EMERGENCY FOR THE LAKE SHETEK AREA IN NORTHERN MURRAY COUNTY... The National Weather Service in Sioux Falls has extended the * Flash Flood Warning for... Northern Murray County in southwestern Minnesota... * Until 130 PM CDT. * At 950 AM CDT, emergency management reported heavy rain across the warned area. Six to ten inches of rain have fallen. Flash flooding is already occurring. Emergency Management says that NO TRAVEL IS ADVISED in Murray County. This is a FLASH FLOOD EMERGENCY for the Lake Shetek area. This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW! * Some locations that will experience flooding include... Slayton, Lake Wilson, Currie, Dovray, Lake Shetek State Park, Current Lake and Hadley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to higher ground now. This is an extremely dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Stay away or be swept away. River banks and culverts can become unstable and unsafe. Please report flooding to your local law enforcement agency when you can do so safely. && LAT...LON 4398 9546 4399 9606 4420 9606 4419 9546 $$ Gillispie
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 2:20 AM CDT | Flash Flood Warning | FSD | Lyon | 11 hr |
| Jul 3, 4:39 AM CDT | Flash Flood Warning | FSD | Lyon | 9 hr |
| Jul 3, 5:36 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Murray, Pipestone | 13 min |
| Jul 3, 7:11 AM CDT | Flash Flood Warning | FSD | Cottonwood | 6 hr |
| Jul 3, 7:24 AM CDT | Flash Flood Warning | FSD | Pipestone | 6 hr |
| Jul 3, 7:50 AM CDT | Flash Flood Warning | FSD | Murray, Nobles, Pipestone, Rock | 5 hr |
| Jul 3, 8:28 AM CDT | Severe Thunderstorm Warning | FSD | Murray, Nobles | 47 min |
| Jul 3, 8:31 AM CDT | Flash Flood Warning | FSD | Murray, Nobles | 5 hr |
| Jul 3, 9:52 AM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson, Murray, Nobles | 38 min |
| Jul 3, 10:05 AM CDT | River Flood Warning | FSD | Lyon | 4 days |
| Jul 3, 10:11 AM CDT | River Flood Warning | FSD | Rock | 53 hr |
| Jul 3, 11:42 AM CDT | River Flood Warning | FSD | Pipestone | 24 hr |
| Jul 3, 1:09 PM CDT | Areal Flood Warning | FSD | Cottonwood, Lyon, Murray, Pipestone | 24 hr |
| Jul 3, 6:37 PM CDT | River Flood Warning | FSD | Pipestone | 38 hr |
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.