Alert archive / Minnesota / Flash Flood Warnings in 2007
Flash Flood Warning 29, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 21, 2007, 8:42 PM CDT for Faribault County, Freeborn County, Minnesota. It took effect at Aug 21, 2007, 8:49 PM CDT. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 21, 2007, 8:42 PM CDT (01:42 UTC)
- In effect from
- Aug 21, 2007, 8:49 PM CDT
- Expired
- Aug 21, 2007, 11:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Faribault County, MN, Freeborn County, MN
The radar
The Minneapolis radar (KMPX), 131 km from the middle of the area, began a volume at 01:42 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 21, 9:30 PM CDT | HEAVY RAIN 1.2 | 2 Sw Albert Lea, MN | RAINFALL AMOUNT FELL BETWEEN 835 PM AND 930 PM. DESPITE SATURATED GROUND NO FLOODING REPORTED. |
| Aug 21, 9:30 PM CDT | HEAVY RAIN 1.5 | Glenville, MN | RAINFALL AMOUNT FELL BETWEEN 830 PM TO 930 PM. DESPITE SATURATED GROUND NO FLOODING WAS REPORTED. |
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, 1.7 hours before the alert went out and 131 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
- 1298 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 453 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 KMPX 220149
FFWMPX
MNC043-047-220445-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
842 PM CDT TUE AUG 21 2007
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...
FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...
* UNTIL 1145 PM CDT
* AT 842 PM CDT...DOPPLER RADAR DETECTED THUNDERSTORMS PRODUCING
HEAVY RAIN ENTERING FARIBAULT AND FREEBORN COUNTIES FROM NORTHERN
IOWA. RAINFALL RATES OF OVER TWO INCHES PER HOUR HAVE BEEN
DETECTED WITH THESE THUNDERSTORMS. THESE STORMS WERE MOVING EAST
NORTHEAST AT 35 MPH...HOWEVER WERE CONTINUING TO DEVELOP BACK TO
THE WEST LEADING TO THUNDERSTORMS TRAINING OVER THE SAME AREAS.
THE GROUND HAS ALREADY BEEN SATURATED BY RECENT RAINFALL IN THE
WARNED AREA...AND ADDITIONAL RAIN WILL RUNOFF AND LIKELY CAUSE
FLASH FLOODING.
* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ALBERT LEA...ALDEN...
BLUE EARTH...CLARKS GROVE...GENEVA...GLENVILLE...WELLS...AND
INTERSTATES 35 AND 90 WITHIN THE WARNED COUNTIES. WATERSHED BASINS
IMPACTED INCLUDE DEER CREEK...BRUSH CREEK...AND GOOSE CREEK.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
BE VERY CAUTIOUS WHEN ENCOUNTERING FLOODED ROADWAYS AT NIGHT. MOST
FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROAD. JUST ONE FOOT OF RUSHING
WATER CAN SWEEP MOST VEHICLES OFF THE ROAD. WHEN ENCOUNTERING
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
LAT...LON 4351 9419 4350 9305 4385 9305 4380 9365
4373 9398 4363 9416
$$2 follow-up statements
000
WGUS73 KMPX 220303
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
955 PM CDT TUE AUG 21 2007
MNC043-047-220445-
FARIBAULT MN-FREEBORN MN-
955 PM CDT TUE AUG 21 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR
FREEBORN AND SOUTHEASTERN FARIBAULT COUNTIES...
AT 955 PM CDT...DOPPLER RADAR DETECTED THAT THUNDERSTORMS HAD
DECREASED IN COVERAGE ACROSS FAR SOUTH CENTRAL MINNESOTA.
HOWEVER...MORE THUNDERSTORM DEVELOPMENT IS POSSIBLE GIVEN THE
ENVIRONMENT. STORM SPOTTERS REPORTED AND DOPPLER RADAR ESTIMATED
THAT ONE AND A QUARTER TO TWO INCHES OF RAIN FELL OVER SOUTHEAST
FREEBORN COUNTY BETWEEN 830 AND 930 PM WITH EARLIER THUNDERSTORMS.
THE GROUND HAS ALREADY BEEN SATURATED BY RECENT RAINFALL OVER THE
WEEKEND IN THE WARNED AREA...AND ADDITIONAL RAIN THROUGH THE LATE
EVENING WILL IMMEDIATELY RUNOFF AND CAUSE FLOODING.
SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ALBERT LEA...ALDEN...
CLARKS GROVE...GENEVA...GLENVILLE...AND INTERSTATES 35 AND 90 WITHIN
THE WARNED COUNTIES. WATERSHED BASINS IMPACTED INCLUDE DEER
CREEK...AND GOOSE CREEK.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS. DO NOT ATTEMPT TO FORGE FLOODED ROADWAYS BY FOOT OR
AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.
BE VERY CAUTIOUS WHEN ENCOUNTERING FLOODED ROADWAYS AT NIGHT. MOST
FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROAD. JUST ONE FOOT OF RUSHING
WATER CAN SWEEP MOST VEHICLES OFF THE ROAD. WHEN ENCOUNTERING
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
LAT...LON 4351 9394 4350 9305 4377 9305 4370 9363
4364 9382
$$000
WGUS73 KMPX 220407
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1102 PM CDT TUE AUG 21 2007
MNC043-047-220412-
FARIBAULT MN-FREEBORN MN-
1102 PM CDT TUE AUG 21 2007
...THE FLASH FLOOD WARNING FOR FREEBORN AND SOUTHEASTERN FARIBAULT
COUNTIES HAS BEEN CANCELLED...
THE HEAVY RAIN PRODUCING THUNDERSTORMS HAVE MOVED WELL EAST AND
SOUTHEAST OF SOUTH CENTRAL MINNESOTA. THEREFORE...THE FLASH FLOOD
WARNING FOR FREEBORN AND SOUTHEASTERN FARIBAULT COUNTIES HAS BEEN
CANCELLED. ONE TO TWO INCHES OF RAIN WERE REPORTED BY SPOTTERS OR
ESTIMATED BY DOPPLER RADAR IN SOUTHERN FREEBORN COUNTY EARLIER THIS
EVENING. SOME THUNDERSTORMS ARE STILL POSSIBLE OVERNIGHT...SO ENSURE
YOU AND YOUR FAMILY HAVE A MEANS TO HEAR FLASH FLOOD WARNINGS IN THE
MIDDLE OF THE NIGHT.
IF YOU OBSERVED FLOODING REPORT IT TO YOUR LOCAL LAW ENFORCEMENT FOR
RELAY TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4351 9394 4350 9305 4377 9305 4370 9363
4364 9382
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 7:06 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Rice, Waseca | 37 min |
| Aug 21, 8:08 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 67 min |
| Aug 22, 3:21 AM CDT | Flash Flood Watch | MPX | Blue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 6 more | 33 hr |
| Aug 22, 3:25 AM CDT | Dense Fog Advisory | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 7 hr |
Nearby
Flash Flood Warnings in Minnesota, 2007Every flash flood warning in 2007
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.