Alert archive / Minnesota / Flash Flood Warnings in 2009
Flash Flood Warning 11, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 16, 2009, 2:57 AM CDT for Kandiyohi County, Meeker County, Stearns County, Minnesota. It was in force for 4 hr. 1 report 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
- Aug 16, 2009, 2:57 AM CDT (07:57 UTC)
- Expired
- Aug 16, 2009, 6:49 AM CDT
- In force
- 4 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kandiyohi County, MN, Meeker County, MN, Stearns County, MN
The radar
The Minneapolis radar (KMPX), 107 km from the middle of the area, began a volume at 07:57 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 |
|---|---|---|---|
| Aug 16, 5:00 AM CDT | FLASH FLOOD | Paynesville, MN | LOCAL OFFICIALS IN STEARNS COUNTY INDICATED THAT FLOODING WAS OBSERVED ALONG HIGHWAY 23 AROUND PAYNESVILLE. THE OFFICIAL INDICATED THAT APPROXIMATELY TWO FEET OF STANDING WATER WAS OVER THE HIGHWAY AT ONE POINT DURING THE EARLY MORNING. |
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, 8.0 hours before the alert went out and 104 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
- 87 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 380 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KMPX 160757
FFWMPX
MNC067-093-145-161400-
/O.NEW.KMPX.FF.W.0011.090816T0757Z-090816T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
257 AM CDT SUN AUG 16 2009
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
KANDIYOHI COUNTY IN CENTRAL MINNESOTA
NORTHWESTERN MEEKER COUNTY IN CENTRAL MINNESOTA
SOUTHERN STEARNS COUNTY IN CENTRAL MINNESOTA
* UNTIL 900 AM CDT
* AT 252 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED MINOR
FLOODING IN THE WILLMAR AREA DUE TO RAINFALL AMOUNTS OF TWO TO
LOCALLY 3.5 INCHES SINCE 11 PM. MORE THUNDERSTORMS WILL BE MOVING
INTO THE WARNED AREA WITH RAINFALL RATES INCREASING TO TWO INCHES
PER HOUR BY 4 AM. THIS WILL CAUSE FLASH FLOODING...ESPECIALLY IN
AREAS THAT HAVE ALREADY RECEIVED FLOODING EARLIER. THE MOST PRONE
AREAS THAT WILL FLOOD ARE THE TOWNS OF WILLMAR AND PAYNESVILLE.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR.
MINOR FLOODING HAS ALREADY OCCURRED IN THE WILLMAR AREA WITH SOME
BASEMENT FLOODING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT OR IN A VEHICLE.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN THE
TWIN CITIES.
&&
LAT...LON 4548 9467 4547 9424 4515 9475 4500 9510
4522 9515
$$
JLT2 follow-up statements
000
WGUS73 KMPX 160936
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
436 AM CDT SUN AUG 16 2009
MNC067-093-145-161400-
/O.CON.KMPX.FF.W.0011.000000T0000Z-090816T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STEARNS MN-KANDIYOHI MN-MEEKER MN-
436 AM CDT SUN AUG 16 2009
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN MEEKER...
KANDIYOHI AND SOUTHERN STEARNS COUNTIES UNTIL 900 AM CDT...
AT 429 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
DOPPLER RADAR ESTIMATED THAT BETWEEN THREE AND FIVE INCHES OF RAIN
HAD FALLEN SINCE 11 PM...WITH ANOTHER ONE INCH POSSIBLE BEFORE THE
RAINFALL ENDS THIS MORNING. THE HEAVIEST RAINFALL WAS NEAR
PAYNESVILLE...COLD SPRING AND EDEN VALLEY WHERE LOCALLY FOUR TO FIVE
INCHES HAD FALLEN OVERNIGHT.
SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
FLOODING TO OCCUR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT OR IN A VEHICLE.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES.
&&
LAT...LON 4548 9467 4547 9424 4515 9475 4500 9510
4522 9515
$$
JLT000
WGUS73 KMPX 161149
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
649 AM CDT SUN AUG 16 2009
MNC067-093-145-161204-
/O.CAN.KMPX.FF.W.0011.000000T0000Z-090816T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STEARNS MN-KANDIYOHI MN-MEEKER MN-
649 AM CDT SUN AUG 16 2009
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHWESTERN
MEEKER...KANDIYOHI AND SOUTHERN STEARNS COUNTIES IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4548 9467 4547 9424 4515 9475 4500 9510
4522 9515
$$
JLTThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 1:26 AM CDT | Areal Flood Advisory | MPX | Benton, Chippewa, Kandiyohi, Meeker, Renville, Sherburne and 2 more | 6 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.