Alert archive / Wisconsin / Flash Flood Warnings in 2005
Flash Flood Warning 37, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Sep 21, 2005, 7:56 PM CDT for Polk County, Wisconsin. It was in force for 3 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
- Sep 21, 2005, 7:56 PM CDT (00:56 UTC)
- Expired
- Sep 21, 2005, 11:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Polk County, WI
The radar
The Minneapolis radar (KMPX), 106 km from the middle of the area, began a volume at 00:59 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, 0.9 hours before the alert went out and 108 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
- 2043 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1714 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 274 m²/s²
- 0-3 km storm-relative helicity
- 406 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 9.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KMPX 220056 FFWMPX WIC095-220400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 756 PM CDT WED SEP 21 2005 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... POLK COUNTY IN NORTHWEST WISCONSIN * UNTIL 1100 PM CDT * AT 756 PM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY RAIN ACROSS MUCH OF THE WARNED AREA. THE STORMS WERE REPEATEDLY MOVING ACROSS POLK COUNTY. * SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...AMERY...BALSAM LAKE...DRESSER...LUCK...MILLTOWN...ST.CROIX FALLS AND ST CROIX FALLS. 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. LAT...LON 4551 9267 4526 9268 4526 9223 4564 9227 $$ RJN
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:01 PM CDT | Tornado Warning | MPX | Polk | 29 min |
| Sep 21, 7:14 PM CDT | Severe Thunderstorm Warning | MPX | Barron | 61 min |
| Sep 21, 7:28 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 62 min |
| Sep 21, 7:36 PM CDT | Flash Flood Warning | MPX | Barron | 3 hr |
| Sep 21, 7:40 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 65 min |
| Sep 21, 7:59 PM CDT | Flash Flood Warning | MPX | Saint Croix | 3 hr |
| Sep 21, 8:14 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn | 61 min |
| Sep 21, 8:20 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 55 min |
| Sep 21, 8:28 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 32 min |
| Sep 21, 8:38 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 67 min |
| Sep 21, 9:43 PM CDT | Severe Thunderstorm Warning | MPX | Pierce, Saint Croix | 47 min |
Nearby
Flash Flood Warnings in Wisconsin, 2005Every flash flood warning in 2005
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.