Alert archive / Wisconsin / Tornado Warnings in 2002
Tornado Warning 10, NWS Milwaukee, WI
NWS Milwaukee, WI issued this tornado warning at Aug 21, 2002, 5:18 PM CDT for Fond du Lac County, Green Lake County, Wisconsin. It was in force for 57 min. 1 report 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 21, 2002, 5:18 PM CDT (22:18 UTC)
- Expired
- Aug 21, 2002, 6:15 PM CDT
- In force
- 57 min
- Issued by
- NWS Milwaukee, WI
- Area
- Counties, with a storm outline in the text
Counties Fond du Lac County, WI, Green Lake County, WI
The radar
The Milwaukee radar (KMKX), 92 km from the middle of the area, began a volume at 22:17 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 21, 5:30 PM CDT | Thunderstorm Wind 56 E | Ripon, WI |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 21, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.3 hours before the alert went out and 95 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
- 973 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 5:10 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 65 min |
| Aug 21, 5:16 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Green Lake | 29 min |
| Aug 21, 5:25 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 50 min |
| Aug 21, 5:54 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Marquette | 51 min |
| Aug 21, 6:17 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Green Lake | 43 min |
| Aug 21, 6:24 PM CDT | Severe Thunderstorm Warning | MKX | Green | 51 min |
| Aug 21, 6:25 PM CDT | Flash Flood Warning | MKX | Fond du Lac | 4 hr |
| Aug 21, 6:42 PM CDT | Severe Thunderstorm Warning | MKX | Rock | 48 min |
| Aug 21, 6:57 PM CDT | Special Marine Warning | MKX | 93 min | |
| Aug 21, 6:57 PM CDT | Special Marine Warning | MKX | 93 min |
Nearby
Tornado Warnings in Wisconsin, 2002Every tornado warning in 2002Tornadoes 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.