Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 193, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 21, 2004, 1:01 AM CDT for Le Sueur County, Rice County, Minnesota. It was in force for 59 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, 1:01 AM CDT (06:01 UTC)
- Expired
- Jul 21, 2004, 2:00 AM CDT
- In force
- 59 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Le Sueur County, MN, Rice County, MN
The radar
The Minneapolis radar (KMPX), 53 km from the middle of the area, began a volume at 06:01 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, 6.0 hours before the alert went out and 53 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 210601 SVRMPX MNC079-131-210700- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 100 AM CDT WED JUL 21 2004 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA RICE COUNTY IN SOUTH CENTRAL MINNESOTA * UNTIL 200 AM CDT * AT 1257 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS LOCATED 18 MILES WEST OF FARIBAULT...OR ABOUT 17 MILES EAST OF ST PETER...AND MOVING EAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... FARIBAULT. KILKENNY. MONTGOMERY. LONSDALE. MORRISTOWN. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 4446 9374 4422 9368 4424 9317 4448 9331 $$
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, 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.