Alert archive / Minnesota / Flash Flood Warnings in 2004
Flash Flood Warning 8, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 23, 2004, 9:46 PM CDT for Yellow Medicine County, Minnesota. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2004, 9:46 PM CDT (02:46 UTC)
- Expired
- Aug 24, 2004, 3:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Yellow Medicine County, MN
The radar
The Sioux Falls radar (KFSD), 143 km from the middle of the area, began a volume at 02:49 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.8 hours before the alert went out and 179 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
- 210 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KMPX 240255
FFWMPX
MNC173-240845-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
946 PM CDT MON AUG 23 2004
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA
* UNTIL 345 AM CDT
* THUNDERSTORMS ARE EXPECTED TO CONTINUE TO REDEVELOP AND PASS OVER
THE WARNED AREA LATE THIS EVENING...RESULTING IN EXCESSIVE
RAINFALL. ESTIMATES FROM RADAR INDICATED THAT 3 TO 5 INCHES OF
RAIN HAS FALLEN SINCE 7 PM THIS EVENING OVER THE WARNING AREA.
TOTAL ACCUMULATIONS BY 1 AM ARE FORECAST TO REACH 5 TO 8 INCHES
AT SOME LOCATIONS.
* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CANBY...CLARKFIELD...
HANLEY FALLS...HAZEL RUN...ST LEO AND PORTER.
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 4479 9642 4466 9641 4465 9558 4456 9555
4457 9539 4469 9541 4491 9570 4480 9582
$$1 follow-up statement
000
WGUS73 KMPX 240421
FFSMPX
MNC173-240845-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1115 PM CDT MON AUG 23 2004
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 AM CDT FOR
YELLOW MEDICINE COUNTY...
AT 1115 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATES THAT THE
AREA OF THUNDERSTORMS WITH THE HEAVIEST RAINFALL RATES HAS PUSHED
INTO EXTREME SOUTHERN AND SOUTHEASTERN SECTIONS OF YELLOW MEDICINE
COUNTY. THROUGH 11 PM CDT...7 INCHES OF RAIN HAS FALLEN IN PORTER
MINNESOTA WHILE FLOODING IS REPORTED BY COUNTY LAW ENFORCEMENT
ACROSS HIGHWAY 67 IN CLARKFIELD. IN ADDITION...THE CANBY HOSPITAL
HAS REPORTED FLOODING EARLIER THIS MONDAY EVENING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO FORGE
FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. IF YOUR VEHICLE STALLS...
ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
LAT...LON 4479 9642 4466 9641 4465 9558 4456 9555
4457 9539 4469 9541 4491 9570 4480 9582
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 7:00 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 30 min |
Nearby
Flash Flood Warnings in Minnesota, 2004Every flash flood warning in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.