Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 38, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jul 27, 1986, 10:09 PM CDT for Dane County, Iowa County, Sauk County, Wisconsin. It was in force for 21 min.
The area
The counties it named.
The facts
- Issued
- Jul 27, 1986, 10:09 PM CDT (03:09 UTC)
- Expired
- Jul 27, 1986, 10:30 PM CDT
- In force
- 21 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
Counties Dane County, WI, Iowa County, WI, Sauk County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.2 hours before the alert went out and 202 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
- 1274 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1172 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.9
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, Jul 27, 5:39 PM CDT, 4 hours 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 530 PM CDT SUN JUL 27 1986 ..STRONG THUNDERSTORMS MOVING THROUGH NORTHERN MARINETTE COUNTY... AT 530 PM CDT A VERY STRONG THUNDERSTORM WAS LOCATED IN NORTHERN MARINETTE COUNTY 30 MILES NORTHWEST OF THE CITY OF MARINETTE AND ANOTHER VERY STRONG THUNDERSTORM WAS LOCATED IN EASTERN FOREST COUNTY JUST BEGINNING TO MOVE INTO NORTHERN MARINETTE COUNTY. THE STORMS ARE MOVING EAST AT 25 MPH AND WILL BE MOVING THROUGH THE NORTHERN HALF OF MARINETTE COUNTY BETWEEN 530 PM AND 630 PM CDT. THE STORMS WILL PASS TO THE NORTH OF THE CITY OF MARINETTE. STRONG GUSTY WINDS..DANGEROUS LIGHTNING..HEAVY RAINS.. AND HAIL CAN BE EXPECTED AS THESE STORMS PASS OVERHEAD. BB
Special weather statement, Jul 27, 9:49 PM CDT, 20 minutes before
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</html>The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 9:14 PM CDT | Severe Thunderstorm Warning | GRB | Columbia | 46 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1986Every severe thunderstorm warning in 1986
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.