Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 194, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 21, 2004, 2:04 AM CDT for Goodhue County, Minnesota; Pepin County, Pierce County, Wisconsin. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 21, 2004, 2:04 AM CDT (07:04 UTC)
- Expired
- Jul 21, 2004, 3:00 AM CDT
- In force
- 56 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Goodhue County, MN, Pepin County, WI, Pierce County, WI
The radar
The Minneapolis radar (KMPX), 90 km from the middle of the area, began a volume at 07:05 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, 7.1 hours before the alert went out and 92 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
- 1847 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1144 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 210704 SVRMPX MNC049-WIC091-093-210800- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 204 AM CDT WED JUL 21 2004 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GOODHUE COUNTY IN SOUTHEAST MINNESOTA PIERCE COUNTY IN WEST CENTRAL WISCONSIN PEPIN COUNTY IN WEST CENTRAL WISCONSIN * UNTIL 300 AM CDT * AT 201 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WASTEDO...OR ABOUT 16 MILES SOUTHWEST OF RED WING...AND MOVING EAST AT 30 MPH. * LOCATIONS IMPACTED INCLUDE... LAT...LON 4450 9295 4432 9289 4443 9194 4469 9202 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 10:25 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 50 min |
| Jul 21, 12:06 AM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 39 min |
| Jul 21, 12:26 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 49 min |
| Jul 21, 1:01 AM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice | 59 min |
| Jul 21, 4:44 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 46 min |
| Jul 21, 6:28 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 32 min |
| Jul 21, 6:48 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Renville, Yellow Medicine | 57 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2004Severe Thunderstorm Warnings in Minnesota, 2004Every severe thunderstorm 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.