Alert archive / Minnesota / Flash Flood Warnings in 2007
Flash Flood Warning 33, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 28, 2007, 2:47 AM CDT for 5 counties in 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
- Aug 28, 2007, 2:47 AM CDT (07:47 UTC)
- Expired
- Aug 28, 2007, 5:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Carver County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN
The radar
The Minneapolis radar (KMPX), 12 km from the middle of the area, began a volume at 07:47 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 28, 3:00 AM CDT | FLASH FLOOD | New Brighton, MN | MOVING WATER IN CULDESAC. |
| Aug 28, 3:10 AM CDT | FLASH FLOOD | Minneapolis, MN | WATER UP TO CAR DOORS ON 34TH AND PENN AVE. S. |
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, 7.8 hours before the alert went out and 14 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
- 2564 J/kg
- Mixed-layer CIN
- -230 J/kg
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 379 m²/s²
- 0-3 km storm-relative helicity
- 526 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KMPX 280748 FFWMPX MNC019-037-053-123-139-281045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 247 AM CDT TUE AUG 28 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... RAMSEY COUNTY IN EAST CENTRAL MINNESOTA... CARVER COUNTY IN EAST CENTRAL MINNESOTA... DAKOTA COUNTY IN EAST CENTRAL MINNESOTA... SCOTT COUNTY IN EAST CENTRAL MINNESOTA... * UNTIL 545 AM CDT * AT 247 AM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY RAIN ACROSS MUCH OF THE WARNED AREA. THESE STORMS WERE MOVING EAST AT 40 MPH. AS MUCH AS 2 INCHES OF RAIN MAY FALL IN LESS THAN AN HOUR...WHICH WILL LEAD TO VERY RAPID FLOODING. * SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...APPLE VALLEY...ARDEN HILLS...BLOOMINGTON...BURNSVILLE...CHANHASSEN... CHASKA...EAGAN...MINNEAPOLIS...AND SAINT PAUL. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 4470 9367 4505 9371 4510 9301 4473 9303 $$ KAT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 10:17 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Kanabec | 23 min |
| Aug 27, 10:37 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 28 min |
| Aug 28, 12:59 AM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville, Yellow Medicine | 61 min |
| Aug 28, 1:39 AM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Wright | 51 min |
| Aug 28, 1:49 AM CDT | Severe Thunderstorm Warning | MPX | Sibley | 56 min |
| Aug 28, 1:52 AM CDT | Severe Thunderstorm Warning | MPX | Chisago | 53 min |
| Aug 28, 2:13 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Le Sueur, Rice, Scott | 62 min |
| Aug 28, 2:27 AM CDT | Severe Thunderstorm Warning | MPX | Carver | 40 min |
| Aug 28, 2:47 AM CDT | Flash Flood Warning | MPX | Carver, Dakota, Hennepin, Scott | 3 hr |
| Aug 28, 2:54 AM CDT | Severe Thunderstorm Warning | MPX | Ramsey, Washington | 51 min |
| Aug 28, 3:11 AM CDT | Severe Thunderstorm Warning | MPX | Dakota | 19 min |
| Aug 28, 11:44 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Rice | 46 min |
| Aug 28, 12:04 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 48 min |
| Aug 28, 1:09 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 40 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.