Alert archive / Wisconsin / Tornado Warnings in 2004
Tornado Warning 2, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Jun 23, 2004, 7:55 PM CDT for Portage County, Wisconsin. It was in force for 35 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
- Jun 23, 2004, 7:55 PM CDT (00:55 UTC)
- Expired
- Jun 23, 2004, 8:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
County Portage County, WI
The radar
The Green Bay radar (KGRB), 101 km from the middle of the area, began a volume at 00:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 23, 4:05 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.9 hours before the alert went out and 102 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
- 371 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1067 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
937 WFUS53 KGRB 240055 TORGRB WIC097-240130- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 753 PM CDT WED JUN 23 2004 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * TORNADO WARNING FOR... PORTAGE COUNTY IN WISCONSIN * UNTIL 830 PM CDT * AT 753 PM CDT...THE PORTAGE COUNTY SHERIFFS DEPARTMENT REPORTED A TORNADO TOUCHDOWN NEAR STEVENS POINT NEAR THE BUSINESS DISTRICT. IT WAS MOVING EAST AT 45 MPH. * LOCATIONS IMPACTED INCLUDE... EAST CENTRAL PORTAGE COUNTY...INCLUDING STEVENS POINT MOVE TO A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR BUILDING. LAT...LON 4463 8949 4445 8945 4451 8924 4465 8924 $$ TH
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 7:18 PM CDT | Severe Thunderstorm Warning | GRB | Portage | 57 min |
| Jun 23, 7:49 PM CDT | Severe Thunderstorm Warning | GRB | Waupaca | 56 min |
| Jun 23, 8:02 PM CDT | Tornado Warning | GRB | Waupaca | 28 min |
| Jun 23, 8:09 PM CDT | Severe Thunderstorm Warning | GRB | Waushara | 51 min |
| Jun 23, 8:33 PM CDT | Tornado Warning | GRB | Outagamie | 42 min |
| Jun 23, 8:48 PM CDT | Severe Thunderstorm Warning | GRB | Winnebago | 42 min |
| Jun 23, 8:59 PM CDT | Tornado Warning | GRB | Calumet | 31 min |
| Jun 23, 9:14 PM CDT | Tornado Warning | GRB | Brown, Outagamie | 46 min |
| Jun 23, 9:29 PM CDT | Tornado Warning | GRB | Manitowoc | 31 min |
| Jun 23, 9:48 PM CDT | Special Marine Warning | GRB | 87 min | |
| Jun 23, 9:48 PM CDT | Special Marine Warning | GRB | 87 min |
Nearby
Tornado Warnings in Wisconsin, 2004Every tornado warning in 2004Tornadoes in 2004
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.