Alert archive / Wisconsin / Tornado Warnings in 1998
Tornado Warning 9, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Aug 23, 1998, 4:49 PM CDT for Manitowoc County, Wisconsin. It was in force for 56 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 23, 1998, 4:49 PM CDT (21:49 UTC)
- Expired
- Aug 23, 1998, 5:45 PM CDT
- In force
- 56 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
County Manitowoc County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 23, 5:26 PM CDT | Thunderstorm Wind 52 | Cato, WI | |
| Aug 23, 5:27 PM CDT | Hail 1.75 | Whitelaw, WI | |
| Aug 23, 5:28 PM CDT | Thunderstorm Wind 52 | Valders, 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 |
|---|---|---|---|
| Aug 23, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.8 hours before the alert went out and 54 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
- 852 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 177 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRB 232149 RRA TORGRB WIC071-232245- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 449 PM CDT SUN AUG 23 1998 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * TORNADO WARNING FOR... MANITOWOC COUNTY IN EAST-CENTRAL WISCONSIN * UNTIL 545 PM CDT * AT 445 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A DEVELOPING TORNADO 20 MILES SOUTHWEST OF GREEN BAY...NEAR DUNDAS. MOVEMENT WAS SOUTHEAST AT 35 MILES AN HOUR. * THE DANGEROUS STORM WILL BE NEAR... REEDSVILLE BY 510 PM GRIMMS BY 515 PM CATO BY 515 PM CLARKS MILLS BY 520 PM IF YOU ARE IN THE PATH OF A TORNADO...MOVE TO THE LOWEST LEVEL OF A STURDY BUILDING. THE PARENT THUNDERSTOR4M WILL ALSO PRODUCE HAIL TO 1 3/4 INCHES IN DIAMETER. JKL/JS
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 8:54 PM CDT | Severe Thunderstorm Warning | GRB | Door, Kewaunee | 66 min |
| Aug 23, 2:56 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca | 64 min |
| Aug 23, 3:34 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie | 86 min |
| Aug 23, 3:43 PM CDT | Tornado Warning | GRB | Waupaca | 32 min |
| Aug 23, 3:55 PM CDT | Tornado Warning | GRB | Outagamie | 50 min |
| Aug 23, 4:13 PM CDT | Tornado Warning | GRB | Waupaca | 32 min |
| Aug 23, 4:19 PM CDT | Tornado Warning | GRB | Calumet, Winnebago | 56 min |
| Aug 23, 4:45 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie | 15 min |
| Aug 23, 5:15 PM CDT | Severe Thunderstorm Warning | GRB | Calumet | 45 min |
| Aug 23, 5:15 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 30 min |
| Aug 23, 6:04 PM CDT | Severe Thunderstorm Warning | GRB | Door | 56 min |
| Aug 23, 6:19 PM CDT | Tornado Warning | GRB | Door | 41 min |
Nearby
Tornado Warnings in Wisconsin, 1998Every tornado warning in 1998Tornadoes in 1998
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.