Alert archive / Wisconsin / Tornado Warnings in 2002
Tornado Warning 21, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Sep 30, 2002, 7:43 PM CDT for Lincoln County, Wisconsin. It was in force for 32 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 30, 2002, 7:43 PM CDT (00:43 UTC)
- Expired
- Sep 30, 2002, 8:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
County Lincoln County, WI
The radar
The Green Bay radar (KGRB), 166 km from the middle of the area, began a volume at 00:45 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 |
|---|---|---|---|
| Sep 30, 8:00 PM CDT | Hail 1.75 | Bradley, 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 |
|---|---|---|---|
| Sep 30, 6:25 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.7 hours before the alert went out and 168 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
- 322 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1725 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
820 WFUS53 KGRB 010043 TORGRB WIC069-010115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 743 PM CDT MON SEP 30 2002 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * TORNADO WARNING FOR... LINCOLN COUNTY IN WISCONSIN * UNTIL 815 PM CDT * AT 743 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED NEAR TOMAHAWK. THAT PLACES THE STORM 20 MILES SOUTHWEST OF RHINELANDER. IT WAS MOVING NORTHEAST AT 25 MPH. * SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE... HEAFFORD JUNCTION BY 750 PM CDT. THE STORM WILL ALSO PRODUCE WIDESPREAD DAMAGING WINDS AND LARGE DESTRUCTIVE HAIL. MOVE TO A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR BUILDING. LAT...LON 4526 9001 4526 8955 4553 8951 4555 9001 KURIMSKI
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 7:15 PM CDT | Tornado Warning | GRB | Marathon, Wood | 45 min |
| Sep 30, 7:29 PM CDT | Tornado Warning | GRB | Oneida | 61 min |
| Sep 30, 8:00 PM CDT | Tornado Warning | GRB | Wood | 30 min |
| Sep 30, 8:00 PM CDT | Tornado Warning | GRB | Wood | 30 min |
| Sep 30, 8:15 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 45 min |
| Sep 30, 8:15 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 45 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.