Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 92, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Aug 11, 2002, 4:08 PM CDT for Lincoln County, Wisconsin. It was in force for 52 min. 2 reports 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
- Aug 11, 2002, 4:08 PM CDT (21:08 UTC)
- Expired
- Aug 11, 2002, 5:00 PM CDT
- In force
- 52 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), 153 km from the middle of the area, began a volume at 21:11 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 11, 4:26 PM CDT | Hail 0.75 | Merrill, WI | |
| Aug 11, 4:55 PM CDT | Thunderstorm Wind 50 E | Merrill, 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.1 hours before the alert went out and 155 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
- 14 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1454 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
701 WUUS53 KGRB 112108 SVRGRB WIC069-112200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 407 PM CDT SUN AUG 11 2002 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LINCOLN COUNTY IN WISCONSIN * UNTIL 500 PM CDT * AT 407 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM WITH HAIL UP TO 1 INCH IN DIAMETER. THE STORM WAS LOCATED 7 MILES NORTHWEST OF MERRILL. THAT PLACES IT 21 MILES NORTHWEST OF WAUSAU. IT WAS MOVING EAST AT 25 MPH. * SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE... IRMA BY 415 PM CDT. MERRILL 420 PM CDT. GLEASON BY 430 PM CDT. CAMPERS AND OTHERS SHOULD SEEK SHELTER IN A STURDY BUILDING IMMEDIATELY. LAT...LON 4533 8992 4514 8992 4515 8943 4536 8943 HELMAN
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 4:16 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Outagamie | 59 min |
| Aug 11, 4:37 PM CDT | Severe Thunderstorm Warning | GRB | Langlade | 68 min |
| Aug 11, 5:10 PM CDT | Severe Thunderstorm Warning | GRB | Menominee, Oconto | 65 min |
| Aug 11, 5:30 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 60 min |
| Aug 11, 5:38 PM CDT | Special Marine Warning | GRB | 2 hr | |
| Aug 11, 5:41 PM CDT | Severe Thunderstorm Warning | GRB | Oneida | 64 min |
| Aug 11, 5:59 PM CDT | Severe Thunderstorm Warning | GRB | Oconto | 61 min |
| Aug 11, 6:35 PM CDT | Special Marine Warning | GRB | 115 min | |
| Aug 11, 6:35 PM CDT | Special Marine Warning | GRB | 115 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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.