Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 60, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 1, 1987, 6:33 PM CDT for Florence County, Wisconsin. It was in force for 57 min. 1 report 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 1, 1987, 6:33 PM CDT (23:33 UTC)
- Expired
- Aug 1, 1987, 7:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Florence 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 1, 7:15 PM CDT | Thunderstorm Wind 0 | Florence, 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 12:00Z, 11.6 hours before the alert went out and 154 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
- 11 J/kg
- Mixed-layer CIN
- -192 J/kg
- Mixed-layer LCL
- 735 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 1, 6:21 PM CDT, 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 620 PM CDT SAT AUG 1 1987 ...STRONG THUNDERSTORMS IN NORTH/CENTRAL WISCONSIN... AT 615 PM CDT..A LINE OF STRONG THUNDERSTORMS WAS LOCATED IN FOREST.. EASTERN ONEIDA AND LANGLADE COUNTIES FROM LONG LAKE..40 MILES NORTHEAST OF RHINELANDER TO ORMSBY..25 MILES SOUTH OF RHINELANDER. THE LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 25 MPH. THE STORMS WILL MOVE ACROSS FLORENCE..FOREST..LANGLADE AND ONEIDA COUNTIES THROUGH 730 PM. THESE STORMS WILL PRODUCE BRIEF HEAVY RAIN..STRONG GUSTY WINDS AND POSSIBLE HAIL. IF THREATENING WEATHER APPROACHES SEEK SHELTER IMMEDIATELY. HAASE
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 6:33 PM CDT | Severe Thunderstorm Warning | MKX | Forest, Langlade | 57 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1987Every severe thunderstorm warning in 1987
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.