Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 210, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 1, 2004, 3:51 AM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 39 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
- Aug 1, 2004, 3:51 AM CDT (08:51 UTC)
- Expired
- Aug 1, 2004, 4:30 AM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Blue Earth County, MN, Nicollet County, MN
The radar
The Minneapolis radar (KMPX), 83 km from the middle of the area, began a volume at 08:52 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, 8.9 hours before the alert went out and 81 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
- 465 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 1194 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 395 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 010851 SVRMPX MNC013-103-010915- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 351 AM CDT SUN AUG 1 2004 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA NORTHERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA * UNTIL 430 AM CDT * AT 345 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS LOCATED 10 MILES NORTHWEST OF MANKATO...AND MOVING SOUTHEAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... MANKATO. NICOLLET. EAGLE LAKE. LAT...LON 4435 9425 4412 9434 4403 9380 4431 9409 $$ MBK
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 7:32 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Watonwan | 58 min |
| Jul 31, 10:28 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Scott | 47 min |
| Jul 31, 10:46 PM CDT | Severe Thunderstorm Warning | MPX | McLeod | 29 min |
| Jul 31, 10:51 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Ramsey, Washington | 39 min |
| Aug 1, 3:53 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Nicollet | 37 min |
| Aug 1, 5:03 AM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 57 min |
| Aug 1, 5:41 AM CDT | Flash Flood Warning | MPX | Waseca | 2 hr |
| Aug 1, 6:35 AM CDT | Severe Thunderstorm Warning | MPX | Faribault | 55 min |
| Aug 1, 8:10 AM CDT | Flash Flood Warning | MPX | Freeborn | 13 hr |
| Aug 1, 9:38 AM CDT | Severe Thunderstorm Warning | MPX | McLeod | 32 min |
| Aug 1, 10:40 AM CDT | Severe Thunderstorm Warning | MPX | Dakota | 50 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.