Alert archive / Minnesota / Flash Flood Warnings in 2010
Flash Flood Warning 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Mar 14, 2010, 7:23 PM CDT for Le Sueur County, Scott County, Sibley County, Minnesota. It was in force for 20 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
- Mar 14, 2010, 7:23 PM CDT (00:23 UTC)
- Expired
- Mar 15, 2010, 3:30 PM CDT
- In force
- 20 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Le Sueur County, MN, Scott County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 43 km from the middle of the area, began a volume at 00:29 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
Minneapolis, MN (KMPX), launched 00:00Z, 0.4 hours before the alert went out and 41 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1175 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
972
WGUS53 KMPX 150023
FFWMPX
MNC079-139-143-150830-
/O.NEW.KMPX.FF.W.0001.100315T0023Z-100315T0830Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
723 PM CDT SUN MAR 14 2010
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR ICE JAM FLOODING IN...
NORTHWESTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
SOUTHEASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
SOUTHWESTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 330 AM CDT MONDAY
* AT 716 PM CDT...EMERGENCY MANAGEMENT REPORTED AN ICE JAM ON THE
MINNESOTA RIVER APPROXIMATELY A HALF MILE TO A MILE DOWNSTREAM
FROM THE TOWN OF HENDERSON. AREAS NEAR STATE HIGHWAY 19 INCLUDING
SIBLEY COUNTY HIGHWAY 6 LEADING NORTH OUT OF HENDERSON AND STATE
HIGHWAY 93 SOUTH OF HENDERSON MAY BE AFFECTED BY FLOODING DUE TO
THIS ICE JAM. RESIDENTS LIVING ALONG THESE ROADS SHOULD PAY CLOSE
ATTENTION FOR CHANGES IN THE RIVER LEVELS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...HENDERSON
AND LE SUEUR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED DUE TO AN ICE JAM
BREAKING UP ACT QUICKLY. DO NOT ENTER THE WATER. TURN AROUND AND MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT
TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 4461 9383 4459 9380 4451 9383 4448 9384
4444 9384 4447 9397 4452 9395 4456 9396
4460 9396
$$
MDB/DFC1 follow-up statement
254
WGUS53 KMPX 150807
FFWMPX
MNC079-139-143-152030-
/O.EXT.KMPX.FF.W.0001.000000T0000Z-100315T2030Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
307 AM CDT MON MAR 15 2010
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS EXTENDED THE
* FLASH FLOOD WARNING FOR ICE JAM FLOODING IN...
NORTHWESTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
SOUTHEASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
SOUTHWESTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 330 PM CDT MONDAY
* AT 305 AM CDT...CONDITIONS STILL INDICATED THAT AN ICE JAM REMAINS
ON THE MINNESOTA RIVER APPROXIMATELY A HALF MILE TO A MILE
DOWNSTREAM FROM THE TOWN OF HENDERSON. AREAS NEAR STATE HIGHWAY 19
INCLUDING SIBLEY COUNTY HIGHWAY 6 LEADING NORTH OUT OF HENDERSON
AND STATE HIGHWAY 93 SOUTH OF HENDERSON MAY BE AFFECTED BY
FLOODING DUE TO THIS ICE JAM. RESIDENTS LIVING ALONG THESE ROADS
SHOULD PAY CLOSE ATTENTION FOR CHANGES IN THE RIVER LEVELS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...HENDERSON
AND LE SUEUR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
&&
LAT...LON 4461 9383 4459 9380 4451 9383 4448 9384
4444 9384 4447 9397 4452 9395 4456 9396
4460 9396
$$
JLTThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 7:35 PM CDT | Dense Fog Advisory | MPX | Blue Earth, Brown, Chippewa, Faribault, Freeborn, Lac qui Parle and 11 more | 17 hr |
| Mar 15, 1:25 AM CDT | Areal Flood Advisory | MPX | Redwood | 12 hr |
| Mar 15, 9:04 AM CDT | Areal Flood Advisory | MPX | Steele | 12 hr |
| Mar 15, 10:14 AM CDT | Areal Flood Warning | MPX | McLeod | 4 days |
| Mar 15, 10:33 AM CDT | Areal Flood Warning | MPX | Freeborn | 24 hr |
| Mar 15, 12:35 PM CDT | River Flood Warning | MPX | Goodhue | 11 hr |
| Mar 15, 1:48 PM CDT | River Flood Warning | MPX | Redwood | 12 days |
| Mar 15, 1:48 PM CDT | River Flood Warning | MPX | Stearns | 9 days |
| Mar 15, 3:50 PM CDT | Areal Flood Warning | MPX | Blue Earth, Brown, Carver, Faribault, Le Sueur, Martin and 5 more | 7 days |
Nearby
Flash Flood Warnings in Minnesota, 2010Every flash flood warning in 2010
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.