Alert archive / Minnesota / Flash Flood Warnings in 2007
Flash Flood Warning 15, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 13, 2007, 10:46 PM CDT for Hennepin County, Minnesota. It was in force for 119 min. 3 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 13, 2007, 10:46 PM CDT (03:46 UTC)
- Expired
- Aug 14, 2007, 12:45 AM CDT
- In force
- 119 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Hennepin County, MN
The radar
The Minneapolis radar (KMPX), 19 km from the middle of the area, began a volume at 03:48 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 13, 11:26 PM CDT | HEAVY RAIN 4 | Eden Prairie, MN | 3-4 INCHES OF STANDING WATER REPORTED AT ANDERSON LAKES PKWY. |
| Aug 13, 11:40 PM CDT | HEAVY RAIN 24 | Bloomington, MN | 2 FEET OF STANDING WATER AT 91ST/92ND AND OLIVER AVE. |
| Aug 13, 11:46 PM CDT | HEAVY RAIN 0 | Bloomington, MN | AT INTERSECTION OF 494 AND PORTLAND AVE CARS STRANDED UNDER BRIDGE. |
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, 3.8 hours before the alert went out and 20 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
- 2096 J/kg
- Mixed-layer CIN
- -245 J/kg
- Mixed-layer LCL
- 1133 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 409 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KMPX 140347
FFWMPX
MNC053-140545-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1046 PM CDT MON AUG 13 2007
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 1245 AM CDT
* AT 1046 PM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY
RAIN ACROSS MUCH OF THE WARNED AREA. THE STORMS PRODUCING THE
HEAVIEST RAIN WERE EXTENDING FROM 22 MILES NORTHWEST OF MINNEAPOLIS
TO 27 MILES WEST OF MINNEAPOLIS. THESE STORMS WERE MOVING TO THE
SOUTHEAST AT 45 MPH. AS MUCH AS 2 INCHES OF RAIN IN LESS THAN AN
HOUR WILL BE POSSIBLE WITH THIS LINE OF STORMS.
* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...BROOKLYN PARK...
GOLDEN VALLEY...HOPKINS...MAPLE GROVE...MINNEAPOLIS...PLYMOUTH AND
RICHFIELD.
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.
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 4525 9351 4518 9363 4511 9372 4497 9377
4491 9372 4489 9354 4483 9334 4486 9320
4512 9331
$$1 follow-up statement
000
WGUS73 KMPX 140540
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1240 AM CDT TUE AUG 14 2007
MNC053-140546-
HENNEPIN MN-
1240 AM CDT TUE AUG 14 2007
...THE FLASH FLOOD WARNING FOR HENNEPIN COUNTY WILL BE ALLOWED TO
EXPIRE AT 1245 AM CDT. WHILE WATER LEVELS WERE RECEDING IN THE WARNED
AREA...MOTORISTS SHOULD REMAIN ALERT FOR STANDING WATER ON AREA
ROADWAYS...INCLUDING AT THE INTERSECTION OF 494 AND PORTLAND IN
BLOOMINGTON.
PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4525 9351 4518 9363 4511 9372 4497 9377
4491 9372 4489 9354 4483 9334 4486 9320
4512 9331
$$
LSThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 7:44 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs | 61 min |
| Aug 13, 7:57 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 18 min |
| Aug 13, 8:08 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 52 min |
| Aug 13, 8:17 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Sherburne | 58 min |
| Aug 13, 8:43 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago | 62 min |
| Aug 13, 8:47 PM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 58 min |
| Aug 13, 8:52 PM CDT | Tornado Warning | MPX | Anoka, Sherburne | 23 min |
| Aug 13, 9:15 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Ramsey, Washington | 60 min |
| Aug 13, 9:45 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns, Wright | 60 min |
| Aug 13, 10:42 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Wright | 63 min |
| Aug 13, 11:30 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 60 min |
| Aug 13, 11:37 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 53 min |
| Aug 13, 11:48 PM CDT | Flash Flood Warning | MPX | Dakota, Scott | 117 min |
| Aug 13, 11:51 PM CDT | Severe Thunderstorm Warning | MPX | Scott | 29 min |
| Aug 14, 12:26 AM CDT | Flash Flood Warning | MPX | Goodhue | 2 hr |
| Aug 14, 12:29 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 48 min |
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.