Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 190, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 20, 2004, 10:25 PM CDT for Lac qui Parle County, Yellow Medicine County, Minnesota. It was in force for 50 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 20, 2004, 10:25 PM CDT (03:25 UTC)
- Expired
- Jul 20, 2004, 11:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Lac qui Parle County, MN, Yellow Medicine County, MN
The radar
The Sioux Falls radar (KFSD), 143 km from the middle of the area, began a volume at 03:25 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 20, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.4 hours before the alert went out and 169 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
- 1682 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1599 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 210325 SVRMPX MNC073-173-210415- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1025 PM CDT TUE JUL 20 2004 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA * UNTIL 1115 PM CDT * AT 1021 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 19 MILES NORTHWEST OF CANBY TO 19 MILES SOUTHEAST OF CANBY...OR ALONG A LINE EXTENDING FROM 23 MILES SOUTHWEST OF MADISON TO 11 MILES NORTHWEST OF MARSHALL...AND MOVING NORTHEAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... CANBY. MADISON. LAT...LON 4487 9680 4446 9595 4472 9549 4520 9624 $$ RJN
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 2:04 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 56 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 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.