Alert archive / Minnesota / Tornado Warnings in 2004
Tornado Warning 15, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at May 26, 2004, 7:35 PM CDT for Jackson County, Nobles County, Minnesota. It was in force for 25 min. 1 report 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
- May 26, 2004, 7:35 PM CDT (00:35 UTC)
- Expired
- May 26, 2004, 8:00 PM CDT
- In force
- 25 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
Counties Jackson County, MN, Nobles County, MN
The radar
The Sioux Falls radar (KFSD), 103 km from the middle of the area, began a volume at 00:38 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 |
|---|---|---|---|
| May 26, 7:44 PM CDT | HAIL 0.75 | 3 Sw Brewster, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.6 hours before the alert went out and 193 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
- 147 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1240 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 383 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
460 WFUS53 KFSD 270035 TORFSD MNC063-105-270100- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 735 PM CDT WED MAY 26 2004 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... WESTERN JACKSON COUNTY IN SOUTHWEST MINNESOTA EASTERN NOBLES COUNTY IN SOUTHWEST MINNESOTA * UNTIL 800 PM CDT * AT 735 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES WEST OF BREWSTER...OR ABOUT 6 MILES NORTH OF WORTHINGTON...MOVING EAST AT 20 MPH. * THE TORNADO WILL BE NEAR... BREWSTER AROUND 745 PM CDT HERON LAKE AROUND 800 PM CDT THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR THE WARNED AREA. IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IMMEDIATELY. LAT...LON 4381 9568 4365 9563 4364 9517 4385 9521 $$ RSR
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 7:05 PM CDT | Severe Thunderstorm Warning | FSD | Pipestone | 30 min |
| May 26, 7:13 PM CDT | Severe Thunderstorm Warning | FSD | Jackson, Nobles | 47 min |
| May 26, 7:21 PM CDT | Severe Thunderstorm Warning | FSD | Rock | 39 min |
| May 26, 7:30 PM CDT | Severe Thunderstorm Warning | FSD | Pipestone | 30 min |
| May 26, 7:47 PM CDT | Tornado Warning | FSD | Rock | 43 min |
| May 26, 7:50 PM CDT | Severe Thunderstorm Warning | FSD | Murray | 35 min |
| May 26, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 46 min |
| May 26, 8:11 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 34 min |
| May 26, 8:15 PM CDT | Tornado Warning | FSD | Jackson | 45 min |
| May 26, 8:48 PM CDT | Severe Thunderstorm Warning | FSD | Jackson, Nobles | 42 min |
Nearby
Tornado Warnings in Minnesota, 2004Every tornado warning in 2004Tornadoes 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.