Alert archive / Wisconsin / Tornado Warnings in 2002
Tornado Warning 17, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Sep 30, 2002, 6:13 PM CDT for Florence County, Forest County, Wisconsin. It was in force for 47 min. 3 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
- Sep 30, 2002, 6:13 PM CDT (23:13 UTC)
- Expired
- Sep 30, 2002, 7:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
Counties Florence County, WI, Forest County, WI
The radar
The Marquette radar (KMQT), 117 km from the middle of the area, began a volume at 23:16 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, 6:20 PM CDT | Hail 1 | Newald, WI | |
| Sep 30, 6:29 PM CDT | Hail 1.75 | Long Lake, WI | |
| Sep 30, 6:57 PM CDT | Hail 0.75 | Florence, 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, 11.2 hours before the alert went out and 156 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
- 460 J/kg
- Mixed-layer CIN
- -228 J/kg
- Mixed-layer LCL
- 1152 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 321 m²/s²
- 0-3 km storm-relative helicity
- 377 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.8
The text
As transmitted, in the capitals the NWS used until 2016.
292 WFUS53 KGRB 302313 TORGRB WIC037-041-010000- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 613 PM CDT MON SEP 30 2002 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * TORNADO WARNING FOR... FLORENCE COUNTY IN WISCONSIN NORTHERN FOREST COUNTY IN WISCONSIN * UNTIL 700 PM CDT * AT 613 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 11 MILES WEST OF NEWALD. THAT PLACES THE STORM 16 MILES NORTH OF CRANDON. IT WAS MOVING EAST AT 45 MPH. * SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE... NEWALD BY 620 PM CDT. LONG LAKE BY 625 PM CDT. FENCE BY 640 PM CDT. COMMONWEALTH BY 650 PM CDT. THE STORM WILL ALSO PRODUCE LARGE DESTRUCTIVE HAIL. MOVE TO A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR BUILDING. CAMPERS AND OTHERS SHOULD SEEK SHELTER IN A STURDY BUILDING IMMEDIATELY. THIS REPLACES THE SEVERE THUNDERSTORM WARNING THAT WAS PREVIOUSLY ISSUED FOR NORTHERN FOREST AND FLORENCE COUNTIES. LAT...LON 4587 8899 4569 8896 4574 8817 4595 8823 KIECKBUSCH
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 11:36 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Wood | 54 min |
| Sep 30, 12:57 AM CDT | Special Marine Warning | GRB | 2 hr | |
| Sep 30, 12:57 AM CDT | Special Marine Warning | GRB | 2 hr | |
| Sep 30, 5:46 PM CDT | Severe Thunderstorm Warning | GRB | Vilas | 59 min |
| Sep 30, 6:01 PM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest | 59 min |
| Sep 30, 6:54 PM CDT | Tornado Warning | GRB | Lincoln | 51 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.