Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 285, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 16, 2002, 9:43 PM CDT for McLeod County, Sibley County, Wright County, Minnesota. It was in force for 47 min. 10 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 16, 2002, 9:43 PM CDT (02:43 UTC)
- Expired
- Aug 16, 2002, 10:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties McLeod County, MN, Sibley County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 47 km from the middle of the area, began a volume at 02:43 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 |
|---|---|---|---|
| Aug 16, 9:45 PM CDT | Thunderstorm Wind 52 E | Winthrop, MN | Shed destroyed. Few trees down. |
| Aug 16, 9:45 PM CDT | Thunderstorm Wind 52 E | Brownton, MN | Large branches down. |
| Aug 16, 9:50 PM CDT | Hail 0.75 | Brownton, MN | |
| Aug 16, 9:50 PM CDT | Thunderstorm Wind 52 E | Winthrop, MN | Shed destroyed. |
| Aug 16, 9:50 PM CDT | Hail 0.75 | Winthrop, MN | |
| Aug 16, 9:50 PM CDT | Thunderstorm Wind 55 E | Brownton, MN | Grain bin and hay bales blown over. Few trees down. |
| Aug 16, 9:53 PM CDT | Thunderstorm Wind 52 E | Winthrop, MN | Numerous large branches down, including one which crashed through the windshield of a car. |
| Aug 16, 10:00 PM CDT | Thunderstorm Wind 55 E | Gaylord, MN | Numerous trees and power lines down. Wall collapsed at a concrete block building. Minor roof damage to business. |
| Aug 16, 10:20 PM CDT | Thunderstorm Wind 65 E | Arlington, MN | Barn and sheds down. Three grain bins tipped over. Semi blown over. Several dozen trees toppled. |
| Aug 16, 10:30 PM CDT | Thunderstorm Wind 60 E | Henderson, MN | Barn down. Several sheds and outbuildings collapsed. Grain auger tipped over and smashed car. Numerous trees down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.7 hours before the alert went out and 44 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1774 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 244 m²/s²
- 0-3 km storm-relative helicity
- 375 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 7:00 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Sibley | 60 min |
| Aug 16, 7:22 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 53 min |
| Aug 16, 7:27 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 63 min |
| Aug 16, 8:20 PM CDT | Tornado Warning | MPX | Yellow Medicine | 40 min |
| Aug 16, 8:45 PM CDT | Severe Thunderstorm Warning | MPX | Renville | 60 min |
| Aug 16, 8:54 PM CDT | Tornado Warning | MPX | Redwood | 36 min |
| Aug 16, 9:00 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 45 min |
| Aug 16, 10:10 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Le Sueur, Nicollet, Scott | 50 min |
| Aug 16, 10:47 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 43 min |
| Aug 16, 10:52 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Sibley | 38 min |
| Aug 16, 10:53 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Stearns | 52 min |
| Aug 16, 11:04 PM CDT | Severe Thunderstorm Warning | MPX | Scott | 41 min |
| Aug 16, 11:27 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville | 48 min |
| Aug 16, 11:28 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Sherburne | 62 min |
| Aug 16, 11:38 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs | 27 min |
| Aug 16, 11:43 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 47 min |
| Aug 16, 11:48 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 57 min |
| Aug 16, 11:52 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle | 53 min |
| Aug 17, 12:02 AM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod | 43 min |
| Aug 17, 12:32 AM CDT | Severe Thunderstorm Warning | MPX | Morrison | 58 min |
| Aug 17, 12:18 AM CDT | Severe Thunderstorm Warning | MPX | Pierce | 42 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.