Alert archive / Minnesota / Flash Flood Warnings in 2006
Flash Flood Warning 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Apr 6, 2006, 6:37 PM CDT for Hennepin County, Ramsey County, Minnesota. It was in force for 113 min. 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
- Apr 6, 2006, 6:37 PM CDT (23:37 UTC)
- Expired
- Apr 6, 2006, 8:30 PM CDT
- In force
- 113 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Hennepin County, MN, Ramsey County, MN
The radar
The Minneapolis radar (KMPX), 26 km from the middle of the area, began a volume at 23:37 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 |
|---|---|---|---|
| Apr 6, 6:42 PM CDT | FLASH FLOOD | Minneapolis, MN | FOUR INCHES OF WATER FLOWING OVER THE ROAD AT 42ND STREET AND 30TH AVENUE |
| Apr 6, 7:06 PM CDT | FLASH FLOOD | Minneapolis, MN | TWELVE INCHES OF WATER FLOWING OVER THE ROAD AT PORTLAND AND DIAMOND LAKE ROAD. |
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, 11.6 hours before the alert went out and 29 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
- 988 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KMPX 062344 CCA
FFWMPX
MNC053-123-070130-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
637 PM CDT THU APR 6 2006
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...
* UNTIL 830 PM CDT
* AT 637 PM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY
RAIN ACROSS MUCH OF THE WARNED AREA. THE STORMS PRODUCING THE
HEAVIEST RAIN WERE OVER RICHFIELD...OR ABOUT 7 MILES NORTH OF
BURNSVILLE. THESE STORMS WERE NORTHEAST AT 20 MPH.
* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ARDEN HILLS...
EDINA...BLOOMINGTON...ST PAUL...FALCON HEIGHTS...GOLDEN
VALLEY...HOPKINS...LITTLE CANADA AND MAPLEWOOD.
RADAR ESTIMATES ARE SHOWING RAINFALL RATES OF AROUND 1 INCH PER
HOUR. THE GROUND IS LIKELY SATURATED IN MANY SPOTS WHICH WILL
AGGRAVTE THE FLOOD THREAT. MORE THUNDERSTORMS MAY PASS OVER THE SAME
AREA THROUGH 8 PM.
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. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS.
LAT...LON 4481 9340 4491 9316 4494 9302 4507 9305
4509 9317 4493 9360
$$
JPR2 follow-up statements
000
WGUS73 KMPX 070018
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
710 PM CDT THU APR 6 2006
MNC053-123-070130-
HENNEPIN MN-RAMSEY MN-
710 PM CDT THU APR 6 2006
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
RAMSEY AND HENNEPIN COUNTIES...
AT 710 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS
PRODUCING VERY HEAVY RAIN 3 MILES SOUTHEAST OF MINNEAPOLIS. THERE
HAVE BEEN NUMEROUS REPORTS OF WATER FLOWING OVER ROADS...OR EVEN
ROADS CLOSED. IN PARTICULAR...INTERSTATE 494 BETWEEN NICOLLET AND
12TH AVENUE...WAS REPORTED CLOSED. THERE WAS A FOOT OF WATER FLOWING
OVER DIAMOND LAKE ROAD IN MINNEAPOLIS. OTHER REPORTS INCLUDE ONE
FOOT OF WATER FLOWING OVER THE ROAD AT PORTLAND AND DIAMOND LAKE
ROAD...AND PARTS OF KNOX AVENUE AND AMERICAN BOULEVARD, THE STORMS
PRODUCING THE VERY HEAVY RAINFALL WERE MOVING NORTHEAST AT 10 MPH.
EXPECT ADDITIONAL THUNDERSTORMS TO REDEVELOP AND PASS OVER THE WARNED
AREA... RESULTING IN EXCESSIVE RAINFALL.
SOME LOCATIONS THAT MAY BE AFFECTED
INCLUDE...MAPLEWOOD...ROSEVILLE...BLOOMINGTON....MINNEAPOLIS...ST
PAUL...ST PAUL...AND MAPLEWOOD.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS.
LAT...LON 4481 9340 4491 9316 4494 9302 4507 9305
4509 9317 4493 9360
$$
JPR000
WGUS73 KMPX 070142
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
840 PM CDT THU APR 6 2006
MNC053-123-070150-
HENNEPIN MN-RAMSEY MN-
840 PM CDT THU APR 6 2006
...THE FLASH FLOOD WARNING FOR RAMSEY AND HENNEPIN COUNTIES HAS
EXPIRED...
WATER LEVELS HAVE RECEDED IN THE WARNED AREA. HEAVY RAIN HAS ALSO
MOVED OFF TO THE EAST. THEREFORE...THE FLASH FLOOD WARNING FOR
RAMSEY AND HENNEPIN COUNTIES HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 4481 9340 4491 9316 4494 9302 4507 9305
4509 9317 4493 9360
$$
JPRThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 3:26 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville | 34 min |
| Apr 6, 4:01 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle | 44 min |
| Apr 6, 4:20 PM CDT | Severe Thunderstorm Warning | MPX | Carver | 40 min |
| Apr 6, 4:26 PM CDT | Severe Thunderstorm Warning | MPX | McLeod | 64 min |
| Apr 6, 4:37 PM CDT | Severe Thunderstorm Warning | MPX | Scott, Sibley | 23 min |
| Apr 6, 5:01 PM CDT | Severe Thunderstorm Warning | MPX | Carver | 59 min |
| Apr 6, 6:24 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Ramsey | 62 min |
Nearby
Flash Flood Warnings in Minnesota, 2006Every flash flood warning in 2006
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.