Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 52, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Aug 4, 1989, 10:56 PM CDT for Green County, Rock County, Wisconsin. It was in force for 64 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 4, 1989, 10:56 PM CDT (03:56 UTC)
- Expired
- Aug 5, 1989, 12:00 AM CDT
- In force
- 64 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
Counties Green County, WI, Rock County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 4, 11:15 PM CDT | Thunderstorm Wind 52 | Green, WI | |
| Aug 4, 11:15 PM CDT | Thunderstorm Wind 0 | Rock, WI | |
| Aug 4, 11:20 PM CDT | Thunderstorm Wind 52 | Rock, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.9 hours before the alert went out and 224 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
- 3204 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1215 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 4, 5:29 PM CDT, 5 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 525 PM CDT FRI AUG 4 1989 ...STRONG THUNDERSTORMS MOVING INTO SOUTHERN MARINETTE COUNTY... AT 525 PM CDT WEATHER RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS IN CENTRAL OCONTO COUNTY MOVING INTO THE SOUTHERN HALF OF MARINETTE COUNTY. THESE STORMS ARE MOVING WEST AT 30 MPH AND WILL BE OVER THE TOWNS OF POUND AND PESHTOGO BY 535 PM. NO REPORTS OF SEVERE WEATHER HAVE BEEN REPORTED AT THIS TIME...BUT PERSONS IN SOUTHERN MARINETTE COUNTY AS WELL AS ALL OF NORTHEAST WISCONSIN SHOULD BE AWARE OF THE SEVERE WEATHER POTENTAIL. HELMAN
Special weather statement, Aug 4, 6:02 PM CDT, 4 hours 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 600 PM CDT FRI AUG 4 1989 ...STRONG THUNDERSTORMS NORTH OF GREEN BAY... AT 600 PM CDT WEATHER RADAR SHOWS A LINE OF VERY STRONG THUNDERSTORMS EXTENDING FROM SOUTHERN MARINETTE COUNTY OUT OVER THE BAY TO THE NORTHERN HALF OF DOOR COUNTY NEAR FISH CREEK. THESE STORMS ARE MOVING EAST AT 30 MPH AND WILL CONTINUE TO EFFECT SOUTHERN MARINETTE COUNTY...THE BAY OF GREEN BAY AS WELL AS THE NORTHERN HALF OF DOOR COUNTY UNTIL 700 PM. HEAVY DOWNPOURS..HAIL AND GUSTY WINDS CAN BE EXPECTED WITH THESE STORMS. BOATERS ON THE BAY SHOULD SEEK SAFE HARBOR BY THIS TIME. HELMAN
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 8:33 PM CDT | Severe Thunderstorm Warning | GRB | Juneau, Sauk | 42 min |
| Aug 4, 8:44 PM CDT | Severe Thunderstorm Warning | GRB | Iowa, Richland | 46 min |
| Aug 4, 10:05 PM CDT | Tornado Warning | GRB | Dane | 25 min |
| Aug 5, 1:05 AM CDT | Severe Thunderstorm Warning | GRB | Green | 55 min |
| Aug 5, 1:33 PM CDT | Severe Thunderstorm Warning | GRB | Dane, Rock | 42 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1989Every severe thunderstorm warning in 1989
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.