Alert archive / Minnesota / Flash Flood Warnings in 2015
Flash Flood Warning 10, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Sep 5, 2015, 9:42 AM CDT for Blue Earth County, Le Sueur County, Minnesota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 5, 2015, 9:42 AM CDT (14:42 UTC)
- Expired
- Sep 5, 2015, 12:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Blue Earth County, MN, Le Sueur County, MN
The radar
The Minneapolis radar (KMPX), 74 km from the middle of the area, began a volume at 14:45 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.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 2.7 hours before the alert went out and 360 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
- 1545 J/kg
- Mixed-layer CIN
- -214 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
043
WGUS53 KMPX 051442
FFWMPX
MNC013-079-051745-
/O.NEW.KMPX.FF.W.0010.150905T1442Z-150905T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
942 AM CDT SAT SEP 5 2015
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
SOUTHERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
* UNTIL 1245 PM CDT
* AT 941 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KASOTA...NEAR LAKE JEFFERSON AND MANKATO AIRPORT.
THIS INCLUDES U.S. HIGHWAY 169 NEAR MILE MARKER 56.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4420 9403 4421 9402 4421 9403 4424 9402
4425 9401 4427 9402 4429 9399 4433 9362
4423 9362 4419 9401
$$1 follow-up statement
949
WGUS73 KMPX 051643
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1143 AM CDT SAT SEP 5 2015
MNC013-079-051652-
/O.CAN.KMPX.FF.W.0010.000000T0000Z-150905T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BLUE EARTH MN-LE SUEUR MN-
1143 AM CDT SAT SEP 5 2015
...THE FLASH FLOOD WARNING FOR NORTHEASTERN BLUE EARTH AND SOUTHERN
LE SUEUR COUNTIES IS CANCELLED...
THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. USE CAUTION IF TRAVELING IN CASE SOME ROADS REMAIN
UNDER WATER.
LAT...LON 4420 9403 4421 9402 4421 9403 4424 9402
4425 9401 4427 9402 4429 9399 4433 9362
4423 9362 4419 9401
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 4:37 AM CDT | Heat Advisory | MPX | Hennepin, Ramsey | 14 hr |
| Sep 5, 8:41 AM CDT | Special Weather Statement | MPX | Le Sueur | 79 min |
Nearby
Flash Flood Warnings in Minnesota, 2015Every flash flood warning in 2015
Sources
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.