Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 58, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 18, 2004, 6:52 PM CDT for Martin County, Watonwan County, Minnesota. It was in force for 38 min. 3 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 18, 2004, 6:52 PM CDT (23:52 UTC)
- Expired
- Apr 18, 2004, 7:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Martin County, MN, Watonwan County, MN
The radar
The Minneapolis radar (KMPX), 149 km from the middle of the area, began a volume at 23:53 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 18, 6:55 PM CDT | TSTM WND GST 63 | St James, MN | |
| Apr 18, 7:30 PM CDT | HAIL 0.88 | Alpha, MN | |
| Apr 18, 7:40 PM CDT | HAIL 0.75 | Sherburn, 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 18, 4:40 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.9 hours before the alert went out and 147 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
- 680 J/kg
- Mixed-layer CIN
- -274 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 361 m²/s²
- 0-3 km storm-relative helicity
- 401 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
390 WUUS53 KMPX 182352 SVRMPX MNC091-165-190030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 652 PM CDT SUN APR 18 2004 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA * UNTIL 730 PM CDT * AT 652 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 18 MILES WEST OF ODIN...OR ABOUT 5 MILES SOUTH OF WINDOM...MOVING NORTHEAST AT 55 MPH. * LOCATIONS IMPACTED INCLUDE... FAIRMONT. MADELIA. ST JAMES. DAMAGING WIND GUSTS TO 70 MPH ARE LIKELY WITH THIS STORM. THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4392 9507 4358 9497 4362 9438 4410 9439 $$ RAH/SEB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 8:13 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 47 min |
| Apr 17, 8:33 PM CDT | Severe Thunderstorm Warning | MPX | Steele | 42 min |
| Apr 17, 8:33 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 57 min |
| Apr 17, 8:47 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth | 58 min |
| Apr 17, 9:00 PM CDT | Severe Thunderstorm Warning | MPX | Faribault | 45 min |
| Apr 17, 9:30 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 60 min |
| Apr 17, 9:39 PM CDT | Severe Thunderstorm Warning | MPX | Waseca | 51 min |
| Apr 17, 9:44 PM CDT | Severe Thunderstorm Warning | MPX | Faribault | 46 min |
| Apr 17, 10:19 PM CDT | Tornado Warning | MPX | Freeborn | 26 min |
| Apr 17, 11:27 PM CDT | Severe Thunderstorm Warning | MPX | Steele | 48 min |
| Apr 17, 11:55 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 50 min |
| Apr 18, 12:07 AM CDT | Severe Thunderstorm Warning | MPX | Le Sueur | 38 min |
| Apr 18, 12:15 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Scott | 45 min |
| Apr 18, 12:33 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 42 min |
| Apr 18, 12:49 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 41 min |
| Apr 18, 1:10 AM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 35 min |
| Apr 18, 1:26 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 49 min |
| Apr 18, 1:29 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Washington | 31 min |
| Apr 18, 1:50 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 40 min |
| Apr 18, 4:18 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 42 min |
| Apr 18, 4:59 AM CDT | Severe Thunderstorm Warning | MPX | Todd | 31 min |
| Apr 18, 6:24 AM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs, Morrison | 36 min |
| Apr 18, 6:43 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 47 min |
| Apr 18, 3:24 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 36 min |
| Apr 18, 3:27 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Morrison, Stearns | 63 min |
| Apr 18, 3:46 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Kanabec | 59 min |
| Apr 18, 3:52 PM CDT | Tornado Warning | MPX | Isanti, Kanabec | 23 min |
| Apr 18, 3:54 PM CDT | Tornado Warning | MPX | Isanti, Kanabec | 21 min |
| Apr 18, 3:57 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 33 min |
| Apr 18, 4:00 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Wright | 45 min |
| Apr 18, 4:08 PM CDT | Tornado Warning | MPX | Sherburne | 37 min |
| Apr 18, 4:15 PM CDT | Tornado Warning | MPX | Kanabec | 30 min |
| Apr 18, 4:27 PM CDT | Tornado Warning | MPX | Isanti | 48 min |
| Apr 18, 4:42 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 48 min |
| Apr 18, 4:56 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Wright | 49 min |
| Apr 18, 5:15 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 30 min |
| Apr 18, 5:17 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Isanti | 58 min |
| Apr 18, 5:18 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 42 min |
| Apr 18, 5:34 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti | 41 min |
| Apr 18, 5:34 PM CDT | Tornado Warning | MPX | Brown | 26 min |
| Apr 18, 5:46 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Renville, Sibley | 59 min |
| Apr 18, 5:47 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 43 min |
| Apr 18, 5:52 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 38 min |
| Apr 18, 5:58 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin | 47 min |
| Apr 18, 5:59 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood | 61 min |
| Apr 18, 6:02 PM CDT | Tornado Warning | MPX | Brown, Redwood | 43 min |
| Apr 18, 6:16 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 44 min |
| Apr 18, 6:22 PM CDT | Severe Thunderstorm Warning | MPX | Ramsey, Washington | 53 min |
| Apr 18, 6:34 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 26 min |
| Apr 18, 6:42 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin | 48 min |
| Apr 18, 6:45 PM CDT | Tornado Warning | MPX | Brown | 45 min |
| Apr 18, 6:50 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod | 40 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.