Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 215, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 28, 2002, 6:11 PM CDT for Waseca County, Minnesota. It was in force for 49 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 28, 2002, 6:11 PM CDT (23:11 UTC)
- Expired
- Jul 28, 2002, 7:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Waseca County, MN
The radar
The Minneapolis radar (KMPX), 87 km from the middle of the area, began a volume at 23:10 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 28, 3:55 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.2 hours before the alert went out and 87 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
- 1056 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 1511 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
883 WUUS53 KMPX 282311 SVRMSP MNC161-290000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 611 PM CDT SUN JUL 28 2002 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WASECA COUNTY IN SOUTH CENTRAL MINNESOTA * UNTIL 700 PM CDT * AT 611 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 3 MILES SOUTHWEST OF JANESVILLE...OR ABOUT 12 MILES WEST OF WASECA...MOVING EAST AT 50 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... JANESVILLE. WALDORF. WASECA. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 4419 9376 4389 9376 4389 9344 4418 9345 RAH/SEB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 3:39 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 51 min |
| Jul 28, 4:07 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur | 38 min |
| Jul 28, 4:13 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 47 min |
| Jul 28, 4:17 PM CDT | Severe Thunderstorm Warning | MPX | Renville | 58 min |
| Jul 28, 4:28 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 32 min |
| Jul 28, 4:32 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 43 min |
| Jul 28, 4:58 PM CDT | Severe Thunderstorm Warning | MPX | Scott | 47 min |
| Jul 28, 5:21 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Nicollet | 54 min |
| Jul 28, 5:22 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 38 min |
| Jul 28, 5:41 PM CDT | Tornado Warning | MPX | Nicollet | 34 min |
| Jul 28, 5:43 PM CDT | Flash Flood Warning | MPX | McLeod, Sibley | 2 hr |
| Jul 28, 5:43 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 47 min |
| Jul 28, 5:45 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 45 min |
| Jul 28, 5:46 PM CDT | Severe Thunderstorm Warning | MPX | Scott | 44 min |
| Jul 28, 5:49 PM CDT | Tornado Warning | MPX | Goodhue | 26 min |
| Jul 28, 6:06 PM CDT | Flash Flood Warning | MPX | Anoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more | 3 hr |
| Jul 28, 6:23 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 52 min |
| Jul 28, 6:34 PM CDT | Severe Thunderstorm Warning | MPX | Steele | 41 min |
| Jul 28, 6:39 PM CDT | Tornado Warning | MPX | Rice | 36 min |
| Jul 28, 6:50 PM CDT | Tornado Warning | MPX | Goodhue | 25 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2002Every severe thunderstorm warning in 2002
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.