Alert archive / Minnesota / Flash Flood Warnings in 2009
Flash Flood Warning 2, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Mar 24, 2009, 3:00 PM CDT for Polk County, Minnesota. It was in force for 19 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 24, 2009, 3:00 PM CDT (20:00 UTC)
- Expired
- Mar 25, 2009, 10:00 AM CDT
- In force
- 19 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Flood severity
- None
County Polk County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 55 km from the middle of the area, began a volume at 20:01 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
International Fa, MN (KINL), launched 12:00Z, 8.0 hours before the alert went out and 267 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
- 503 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 258 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KFGF 242002
FFWFGF
MNC119-251500-
/O.NEW.KFGF.FF.W.0002.090324T2002Z-090325T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
300 PM CDT TUE MAR 24 2009
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL POLK COUNTY IN NORTHWEST MINNESOTA...
* UNTIL 1000 AM CDT WEDNESDAY
* AT 3 PM CDT...LAW ENFORCEMENT AND THE FIRE DEPARTMENT REPORTED AN
ICE JAM ON THE RED LAKE RIVER NEAR THE CITY OF CROOKSTON AND
DOWNSTREAM TO NEAR FISHER. THIS HAS CAUSED THE RED LAKE RIVER TO
RISE TO NEAR THE TOP OF THE DIKES IN CROOKSTON. A VOLUNTARY
EVACUATION HAS BEEN RECOMMENDED BY LAW ENFORCEMENT. ADDITIONAL RISES ARE
POSSIBLE THROUGH THE NIGHT NEAR CROOKSTON.
* SOME LOCATIONS IN THE WARNING INCLUDE CROOKSTON AND FISHER.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.
LAT...LON 4781 9679 4779 9649 4773 9656 4777 9674
4778 9683
$$
DK2 follow-up statements
000
WGUS73 KFGF 250145
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
845 PM CDT TUE MAR 24 2009
MNC119-251500-
/O.CON.KFGF.FF.W.0002.000000T0000Z-090325T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POLK MN-
845 PM CDT TUE MAR 24 2009
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT
WEDNESDAY FOR CENTRAL POLK COUNTY...
AT 845 PM CDT...AN ICE JAM REMAINS IN PLACE ON THE RED LAKE
RIVER...ESPECIALLY DOWNSTREAM OF CROOKSTON NEAR FISHER. THE WATER
LEVEL AT CROOKSTON HAS LOWERED SLIGHTLY SINCE THIS AFTERNOON.
HOWEVER...THE ICE JAM MEANS THAT WATER LEVELS COULD AGAIN RISE
RAPIDLY ALONG THE RED LAKE RIVER. IN ADDITION...RAINFALL AMOUNTS
FROM 0.50 TO 0.75 INCHES HAVE OCCURRED ACROSS THE AREA THIS
EVENING. THIS RAINFALL MAY CAUSE ADDITIONAL...RAPID RISES ON THE
RED LAKE RIVER TONIGHT.
SOME LOCATIONS IN THIS FLASH FLOOD WARNING INCLUDE CROOKSTON AND
FISHER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN THE DANGERS OF FLASH FLOODING
ARE HARD TO RECOGNIZE.
LAT...LON 4781 9679 4779 9649 4773 9656 4777 9674
4778 9683
$$
CJS/DK000
WGUS73 KFGF 251508
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1007 AM CDT WED MAR 25 2009
MNC119-251517-
/O.EXP.KFGF.FF.W.0002.000000T0000Z-090325T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POLK MN-
1007 AM CDT WED MAR 25 2009
...THE FLASH FLOOD WARNING HAS EXPIRED FOR CENTRAL POLK COUNTY...
AT 1007 AM CDT...THE THREAT FOR A RAPID INCREASE IN WATER LEVELS
ALONG THE RED LAKE RIVER AT CROOKSTON HAS LESSENED. RIVER FLOODING
WILL REMAIN VERY HIGH AND PLEASE REFER TO ALL RIVER FLOOD WARNINGS
AND STATEMENTS FOR INFORMATION.
LAT...LON 4781 9679 4779 9649 4773 9656 4777 9674
4778 9683
$$
DTRThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 4:33 AM CDT | Winter Storm Watch | FGF | Beltrami, Kittson, Lake of the Woods, Marshall, Roseau | 11 hr |
| Mar 24, 9:51 AM CDT | Flash Flood Warning | FGF | Polk | 5 hr |
| Mar 24, 11:50 AM CDT | River Flood Warning | FGF | Kittson | 57 days |
| Mar 24, 3:51 PM CDT | Winter Storm Warning | FGF | Becker, Beltrami, Clay, Clearwater, Hubbard, Kittson and 8 more | 21 hr |
| Mar 24, 3:51 PM CDT | Winter Weather Advisory | FGF | Becker, Beltrami, Clay, Clearwater, Grant, Hubbard and 8 more | 21 hr |
Nearby
Flash Flood Warnings in Minnesota, 2009Every flash flood warning in 2009
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.