Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 48, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Aug 7, 1996, 2:55 AM CDT for Portage County, Wisconsin. It was in force for 50 min. 2 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 7, 1996, 2:55 AM CDT (07:55 UTC)
- Expired
- Aug 7, 1996, 3:45 AM CDT
- In force
- 50 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
County Portage County, WI
The radar
The Green Bay radar (KGRB), 110 km from the middle of the area, began a volume at 07:54 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 7, 3:30 AM CDT | Thunderstorm Wind | Rosholt, WI | |
| Aug 7, 3:55 AM CDT | Thunderstorm Wind | Stevens Pt, 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 00:00Z, 7.9 hours before the alert went out and 111 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
- 3575 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 778 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRB 070751 SVRGRB WIC097-070845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 255 AM CDT WED AUG 7 1996 THE NATIONAL WEATHER SERVICE IN GREEN BAY WI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL WISCONSIN ...PORTAGE COUNTY AT 250 AM...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM JUST WEST OF WAUSAU TO NEAR LACROSSE. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MPH AND WILL REACH JUNCTION CITY BY 3 AM AND STEVENS POINT BY 315 AM. STRONG DAMAGING WINDS WERE INDICATED WITH THESE STORMS.
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 1:54 AM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Marathon | 76 min |
| Aug 7, 2:11 AM CDT | Severe Thunderstorm Warning | GRB | Oneida, Vilas | 79 min |
| Aug 7, 2:29 AM CDT | Severe Thunderstorm Warning | GRB | Wood | 61 min |
| Aug 7, 2:54 AM CDT | Tornado Warning | GRB | Marathon | 46 min |
| Aug 7, 3:03 AM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 32 min |
| Aug 7, 3:15 AM CDT | Severe Thunderstorm Warning | GRB | Langlade, Shawano, Waupaca | 95 min |
| Aug 7, 3:15 AM CDT | Severe Thunderstorm Warning | GRB | Forest | 95 min |
| Aug 7, 3:15 AM CDT | Severe Thunderstorm Warning | GRB | Waushara | 95 min |
| Aug 7, 3:15 AM CDT | Severe Thunderstorm Warning | GRB | Langlade, Shawano, Waupaca | 75 min |
| Aug 7, 3:15 AM CDT | Severe Thunderstorm Warning | GRB | Waushara | 75 min |
| Aug 7, 3:15 AM CDT | Severe Thunderstorm Warning | GRB | Forest | 75 min |
| Aug 7, 3:27 AM CDT | Severe Thunderstorm Warning | GRB | Oneida, Vilas | 33 min |
| Aug 7, 3:48 AM CDT | Severe Thunderstorm Warning | GRB | Portage | 62 min |
| Aug 7, 3:48 AM CDT | Severe Thunderstorm Warning | GRB | Portage | 27 min |
| Aug 7, 4:02 AM CDT | Severe Thunderstorm Warning | GRB | Marinette, Oconto, Shawano | 93 min |
| Aug 7, 4:02 AM CDT | Severe Thunderstorm Warning | GRB | Florence | 93 min |
| Aug 7, 4:16 AM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Winnebago | 74 min |
| Aug 7, 4:40 AM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet | 65 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1996Every severe thunderstorm warning in 1996
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.