Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 52, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jul 21, 2002, 4:46 AM CDT for Oneida County, Wisconsin. It was in force for 59 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 21, 2002, 4:46 AM CDT (09:46 UTC)
- Expired
- Jul 21, 2002, 5:45 AM CDT
- In force
- 59 min
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
County Oneida County, WI
The radar
The Green Bay radar (KGRB), 181 km from the middle of the area, began a volume at 09:50 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.8 hours before the alert went out and 183 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
- 1072 J/kg
- Mixed-layer CIN
- -177 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
145 WUUS53 KGRB 210946 SVRGRB WIC085-211045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 446 AM CDT SUN JUL 21 2002 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ONEIDA COUNTY IN WISCONSIN * UNTIL 545 AM CDT * AT 446 AM CDT...WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM WITH 60 MPH WINDS. THE STORM WAS LOCATED 5 MILES WEST OF WILLOW RESERVOIR. THAT PLACES IT 27 MILES WEST OF RHINELANDER. IT WAS MOVING EAST AT 35 MPH. * SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE... GOODNOW BY 500 AM CDT. MC NAUGHTON BY 505 AM CDT. STARKS BY 535 AM CDT. GAGEN BY 540 AM CDT. THIS STORM COULD DAMAGE WEAK STRUCTURES AND TREES. IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY BUILDING UNTIL THE STORM HAS PASSED. THIS STORM WILL ALSO PRODUCE TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. ALSO AVOID METAL OBJECTS. LAT...LON 4582 8998 4564 9000 4556 8908 4581 8906 KURIMSKI
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 3:34 AM CDT | Severe Thunderstorm Warning | GRB | Vilas | 41 min |
| Jul 21, 3:27 PM CDT | Severe Thunderstorm Warning | GRB | Oneida, Vilas | 78 min |
| Jul 21, 4:30 PM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest | 75 min |
| Jul 21, 4:45 PM CDT | Severe Thunderstorm Warning | GRB | Oneida | 75 min |
| Jul 21, 5:46 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Marathon | 74 min |
| Jul 21, 5:59 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Marathon | 61 min |
| Jul 21, 6:04 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade | 56 min |
| Jul 21, 6:07 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Marathon | 53 min |
| Jul 21, 6:40 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Wood | 65 min |
| Jul 21, 6:47 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Menominee, Oconto, Shawano | 73 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.