Flash Flood Warning 15, NWS Twin Cities, MN

Issued

Jul 26, 2020, 4:57 AM CDT (09:57 UTC)

Expired

Jul 26, 2020, 8:00 AM CDT

In force

3 hr

Issued by

NWS Twin Cities, MN

Area

Storm-based polygon

Flood severity

None

Counties Brown County, MN, Nicollet County, MN, Redwood County, MN, Renville County, MN, Sibley County, MN

The Minneapolis radar (KMPX), 99 km from the middle of the area, began a volume at 09:59 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.

614 
WGUS53 KMPX 260957
FFWMPX
MNC015-103-127-129-143-261300-
/O.NEW.KMPX.FF.W.0015.200726T0957Z-200726T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
457 AM CDT Sun Jul 26 2020

The National Weather Service in the Twin Cities has issued a

* Flash Flood Warning for...
  Southeastern Renville County in central Minnesota...
  Southwestern Sibley County in central Minnesota...
  Northeastern Brown County in south central Minnesota...
  Northwestern Nicollet County in south central Minnesota...
  East Central Redwood County in southwestern Minnesota...

* Until 800 AM CDT.

* At 457 AM CDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  3 and 7 inches of rain have fallen. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar and automated gauges.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Additional rainfall amounts of 1 to 3 inches are possible.

* Some locations that will experience flash flooding include...
  Fairfax, Morgan, Gibbon, Franklin, Morton and St George.

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 4462 9490 4460 9442 4446 9444 4437 9445
      4436 9452 4438 9501 4448 9506

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

TDH

149 
WGUS73 KMPX 261304 RRA
FFSMPX

Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
804 AM CDT Sun Jul 26 2020

MNC015-103-127-129-143-261314-
/O.EXP.KMPX.FF.W.0015.000000T0000Z-200726T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Brown MN-Nicollet MN-Redwood MN-Renville MN-Sibley MN-
804 AM CDT Sun Jul 26 2020

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHEASTERN RENVILLE, 
SOUTHWESTERN SIBLEY, NORTHEASTERN BROWN, NORTHWESTERN NICOLLET AND 
EAST CENTRAL REDWOOD COUNTIES...

The heaviest rain has ended. However, flooding will continue 
throughout the day and a Flood Warning has been issued. Please 
continue to heed remaining road closures.

A Flash Flood Watch remains in effect until 1200 PM CDT for portions 
of east central Minnesota...south central Minnesota and southeast 
Minnesota.

LAT...LON 4462 9490 4460 9442 4446 9444 4437 9445
      4436 9452 4438 9501 4448 9506

$$

Borghoff

Flash Flood Warnings in Minnesota, 2020Every flash flood warning in 2020

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.