Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 9, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Apr 17, 2004, 8:38 PM CDT for Dodge County, Minnesota. It was in force for 52 min. 4 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 17, 2004, 8:38 PM CDT (01:38 UTC)
- Expired
- Apr 17, 2004, 9:30 PM CDT
- In force
- 52 min
- Issued by
- NWS La Crosse, WI
- Area
- Counties, with a storm outline in the text
County Dodge County, MN
The radar
The Minneapolis radar (KMPX), 106 km from the middle of the area, began a volume at 01:40 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 17, 8:50 PM CDT | HAIL 0.88 | 3 N Blooming Prairie, MN | REPORTED AT A GAS STATION. |
| Apr 17, 9:21 PM CDT | HAIL 0.75 | Hayfield, MN | REPORTED AT INTERSECTION OF HIGHWAYS 30 AND 56. |
| Apr 17, 9:21 PM CDT | HAIL 0.75 | Hayfield, MN | REPORTED AT INTERSECTION OF HIGHWAYS 30 AND 56 NEAR HAYFIELD. REPORTED BY FIRE DEPARTMENT SPOTTERS. |
| Apr 17, 9:25 PM CDT | HAIL 0.75 | Dodge Center, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 17, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.6 hours before the alert went out and 107 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
- 2026 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 489 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
548 WUUS53 KARX 180138 SVRARX MNC039-180230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 837 PM CDT SAT APR 17 2004 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... DODGE COUNTY IN SOUTHEAST MINNESOTA * UNTIL 930 PM CDT * AT 837 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE THUNDERSTORM PRODUCING LARGE DESTRUCTIVE HAIL 9 MILES WEST OF BLOOMING PRAIRIE...OR ABOUT 14 MILES SOUTH OF OWATONNA. THE SEVERE THUNDERSTORM WAS MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BLOOMING PRAIRIE BY 850 PM CDT... HIGHWAY 30 AND COUNTY 3 AND COUNTY ROADS 3 AND 6 BY 855 PM CDT... COUNTY ROADS 5 AND 6 AND GRAVES LANDING FIELD BY 900 PM CDT... HIGHWAY 14 AND COUNTY 5 BY 905 PM CDT... HIGHWAY 56 AND COUNTY 6 AND HAYFIELD BY 910 PM CDT... THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING LARGE DESTRUCTIVE HAIL UP TO GOLF BALL SIZE. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS AND STAY AWAY FROM WINDOWS. LAT...LON 4396 9336 4383 9329 4389 9270 4416 9271 $$ KRC
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 9:35 PM CDT | Severe Thunderstorm Warning | ARX | Olmsted | 85 min |
| Apr 17, 9:46 PM CDT | Severe Thunderstorm Warning | ARX | Mower | 29 min |
| Apr 17, 9:52 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore | 83 min |
| Apr 17, 11:49 PM CDT | Severe Thunderstorm Warning | ARX | Dodge | 56 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.