Alert archive / Minnesota / Flash Flood Warnings in 2011
Flash Flood Warning 4, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Jul 15, 2011, 8:14 AM CDT for Douglas County, Todd County, Minnesota. It was in force for 3 hr. 2 reports 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
- Jul 15, 2011, 8:14 AM CDT (13:14 UTC)
- Expired
- Jul 15, 2011, 11:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Douglas County, MN, Todd County, MN
The radar
The Minneapolis radar (KMPX), 171 km from the middle of the area, began a volume at 13:16 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 |
|---|---|---|---|
| Jul 15, 9:00 AM CDT | HEAVY RAIN 4.39 | Carlos, MN | 24 HOUR TOTAL. |
| Jul 15, 10:35 AM CDT | HEAVY RAIN 6.75 | Osakis, MN | SHERRIF CALLED TWO OF HIS DEPUTIES REPORT 6.75 INCHES OF RAIN. |
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 12:00Z, 1.2 hours before the alert went out and 169 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
- 1183 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
655 WGUS53 KMPX 151314 FFWMPX MNC041-153-151600- /O.NEW.KMPX.FF.W.0004.110715T1314Z-110715T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 814 AM CDT FRI JUL 15 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA... SOUTHERN TODD COUNTY IN CENTRAL MINNESOTA... * UNTIL 1100 AM CDT * AT 812 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. BETWEEN 1 AND 4 INCHES OF RAIN HAS FALLEN SINCE 4 AM CDT... AND ANOTHER 1 TO 2 INCHES OF RAIN IS EXPECTED THROUGH 930 AM CDT. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ALEXANDRIA...LONG PRAIRIE...BRANDON...CARLOS...CLOTHO... EVANSVILLE...FORADA...GARFIELD...GREY EAGLE...KENSINGTON...LITTLE SAUK...MILTONA...NORTH SHORE...OSAKIS AND PLEASANT BEACH. OBSERVERS IN SOUTHWEST TODD COUNTY REPORTED RAINFALL TOTALS OF NEAR 4 INCHES WITH THESE STORMS. THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... LONG PRAIRIE RIVER...CHIPPEWA RIVER...TURTLE CREEK...SPRUCE CREEK... WOLF CREEK...SWAN RIVER...SAUK RIVER...ASHLEY CREEK...FAIRFIELD CREEK...CALAMUS CREEK...DRAYER CREEK...HARRIS CREEK...VENEWITZ CREEK...NORTH TWO RIVER...MOLLY CREEK...IRISH CREEK...SPRING BRANCH SWAN RIVER AND LITTLE ELK RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA. DO NOT DRIVE WHERE WATER COVERS THE ROADWAY. TURN AROUND... DONT DROWN. && LAT...LON 4608 9465 4578 9465 4576 9576 4605 9577 $$
2 follow-up statements
525
WGUS73 KMPX 151428
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
928 AM CDT FRI JUL 15 2011
MNC041-153-151600-
/O.CON.KMPX.FF.W.0004.000000T0000Z-110715T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DOUGLAS MN-TODD MN-
928 AM CDT FRI JUL 15 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN TODD AND
DOUGLAS COUNTIES UNTIL 1100 AM CDT...
AT 928 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR
ESTIMATES AND SPOTTER REPORTS INDICATED THAT BETWEEN 1 AND 4 INCHES
OF RAIN HAS FALLEN SINCE 5 AM CDT. ADDITIONAL RAINFALL OF UP TO
AN INCH IS POSSIBLE THROUGH 1030 AM CDT.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
ALEXANDRIA...LONG PRAIRIE...BRANDON...CARLOS...CLOTHO...FORADA...
GARFIELD...GREY EAGLE...KENSINGTON...LITTLE SAUK...NORTH SHORE AND
OSAKIS.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
LONG PRAIRIE RIVER...TURTLE CREEK...SPRUCE CREEK...SWAN RIVER...
CHIPPEWA RIVER...SAUK RIVER...ASHLEY CREEK...FAIRFIELD CREEK...
CALAMUS CREEK...DRAYER CREEK...HARRIS CREEK...VENEWITZ CREEK...NORTH
TWO RIVER...MOLLY CREEK...IRISH CREEK...SPRING BRANCH SWAN RIVER AND
LITTLE ELK RIVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT OR IN A VEHICLE.
&&
LAT...LON 4578 9465 4576 9576 4592 9577 4603 9538
4604 9465
$$669
WGUS73 KMPX 151525
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1025 AM CDT FRI JUL 15 2011
MNC041-153-151600-
/O.CON.KMPX.FF.W.0004.000000T0000Z-110715T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DOUGLAS MN-TODD MN-
1025 AM CDT FRI JUL 15 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN TODD AND
DOUGLAS COUNTIES UNTIL 1100 AM CDT...
AT 1023 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE THUNDERSTORM ACTIVITY HAD MOVED SOUTH AND EAST OF THE
WARNED AREA. HOWEVER... RADAR ESTIMATES AND SPOTTER REPORTS INDICATED
THAT BETWEEN 2 AND 5 INCHES OF RAIN FELL BETWEEN 5 AM CDT AND 10 AM
CDT. THIS EXCESSIVE RAINFALL WILL CONTINUE TO CAUSE FLOODING OF LOW
LYING AREAS AND ROADS ALONG SMALL STREAMS AND CREEKS THROUGH AROUND
1100 AM CDT.
SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
ALEXANDRIA...BRANDON...CARLOS...FORADA...GARFIELD...GREY EAGLE...
KENSINGTON...LITTLE SAUK...NORTH SHORE AND OSAKIS.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
LONG PRAIRIE RIVER...SPRUCE CREEK...SWAN RIVER...CHIPPEWA RIVER...
SAUK RIVER...ASHLEY CREEK...FAIRFIELD CREEK...CALAMUS CREEK...
VENEWITZ CREEK...NORTH TWO RIVER...MOLLY CREEK...IRISH CREEK...TURTLE
CREEK AND SPRING BRANCH SWAN RIVER.
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.
&&
LAT...LON 4596 9465 4578 9465 4576 9576 4592 9577
4603 9538
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:40 AM CDT | Excessive Heat Watch | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 36 hr |
| Jul 15, 4:58 AM CDT | Severe Thunderstorm Warning | MPX | Douglas | 62 min |
| Jul 15, 5:55 AM CDT | Areal Flood Advisory | MPX | Douglas, Todd | 3 hr |
| Jul 15, 6:13 AM CDT | Special Weather Statement | MPX | Todd | 62 min |
| Jul 15, 6:19 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Stearns, Todd | 56 min |
| Jul 15, 6:44 AM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 61 min |
| Jul 15, 6:50 AM CDT | Severe Thunderstorm Warning | MPX | Douglas | 55 min |
| Jul 15, 7:05 AM CDT | Severe Thunderstorm Warning | MPX | Stearns | 55 min |
| Jul 15, 7:11 AM CDT | Special Weather Statement | MPX | Morrison | 79 min |
| Jul 15, 7:33 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stearns, Todd | 57 min |
| Jul 15, 8:37 AM CDT | Special Weather Statement | MPX | Stearns | 53 min |
| Jul 15, 8:51 AM CDT | Flash Flood Warning | MPX | Pope, Stearns | 3 hr |
| Jul 15, 9:00 AM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns, Wright | 45 min |
| Jul 15, 9:36 AM CDT | River Flood Warning | MPX | Todd | 5 days |
| Jul 15, 10:12 AM CDT | Special Weather Statement | MPX | Anoka, Hennepin, Sherburne, Wright | 63 min |
| Jul 15, 11:07 AM CDT | Special Weather Statement | MPX | Freeborn, Steele | 38 min |
| Jul 15, 12:41 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice | 52 min |
| Jul 15, 12:52 PM CDT | Flood Watch | MPX | Anoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 22 more | 13 hr |
| Jul 15, 2:45 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Nicollet, Waseca | 44 min |
| Jul 15, 3:09 PM CDT | Areal Flood Advisory | MPX | Blue Earth, Carver, Le Sueur, Nicollet, Rice, Scott and 2 more | 3 hr |
| Jul 15, 3:20 PM CDT | Special Weather Statement | MPX | Freeborn, Le Sueur, Rice, Steele, Waseca | 55 min |
| Jul 15, 3:34 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Rice, Steele, Waseca | 26 min |
| Jul 15, 3:35 PM CDT | Flash Flood Warning | MPX | Dakota, Le Sueur, Rice, Scott, Steele, Waseca | 3 hr |
| Jul 15, 3:46 PM CDT | Excessive Heat Warning | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 5 days |
| Jul 15, 3:50 PM CDT | Flash Flood Warning | MPX | Dakota, Goodhue, Rice | 3 hr |
| Jul 15, 4:55 PM CDT | Areal Flood Advisory | MPX | Faribault, Freeborn, Steele, Waseca | 3 hr |
Nearby
Flash Flood Warnings in Minnesota, 2011Every flash flood warning in 2011
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.