Alert archive / Wisconsin / Tornado Warnings in 1987
Tornado Warning 7, NWS Milwaukee, WI
NWS Milwaukee, WI issued this tornado warning at Aug 15, 1987, 8:08 PM CDT for Milwaukee County, Wisconsin. It was in force for 37 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 15, 1987, 8:08 PM CDT (01:08 UTC)
- Expired
- Aug 15, 1987, 8:45 PM CDT
- In force
- 37 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Milwaukee 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 15, 8:25 PM CDT | Thunderstorm Wind 52 | Milwaukee, 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, 1.1 hours before the alert went out and 163 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
- 1726 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 938 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 14 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 KMKE 160112 COR TORMKE WIC079-160145- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 808 PM CDT SAT AUG 15 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTHEAST WISCONSIN...MILWAUKEE ...INCLUDING THE ADJACENT COASTAL WATERS OF ..LAKE MICHIGAN A FUNNEL CLOUD HAS BEN REPIRTED BY THE WAUKESHA COUNTY SHERIFF NEAR THE CITY OF NEW BERLIN IN EXTREME EASTERN WAUKESHA COUNTY. THE FUNNEL WAS OBSERVED TO BE MOVING TO THE SOUTHEAST. WEATHER RADAR INDICATES SEVERE THUNDERTORMS MOVVING THROUGH MILWAUKEE COUNTY. THIS IS A DANGEROUS STORM TAKE COVER IMMEDIATELY. IF THREATENING WEATHER APPROACHES YOU..TAKE COVER IMMEDIATELY. IF IN A MOBILE HOME OR VEHICLES..LEAVE THEM AND GO TO MORE SUBSTANTIAL SHELTER. IF OUTDOORS WITH NO SHELTER AVAILABLE..LIE FLAT IN A NEARBY DITCH AND SHIELD YOUR HEAD WITH YOUR ARMS.
What forecasters said that day
The local office's own words before this tornado 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 15, 7:36 PM CDT, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 730 PM CDT SAT AUG 15 1987 AT 730 PM CDT...A CLUSTER OF THUNDERSTORMS..PRODUCING VERY HEAVY RAIN.. WAS LOCATED OVER WAUKESHA AND MILWAUKEE COUNTY. SMALL HAIL AND FREQUENT LIGHTNING STRIKES WERE REPORTED WITH THESE STORMS AROUND 715 PM NEAR THE CITY OF WAUKESHA...WITH SOME REPORTED POWER OUTAGES. THESE THUNDERSTORMS WILL MOVE OUT OF WAUKESHA COUNTY BY 800 PM AND THROUGH MILWAUKEE COUNTY BETWEEN 800 PM AND 830 PM. DUE TO THE INTENSE RAINFALL...SOME URBAN STREET FLOODING IS POSSIBLE. SCAFFIDI
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 1:03 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 57 min |
| Aug 16, 6:48 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Jefferson | 57 min |
| Aug 16, 6:48 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac | 57 min |
| Aug 16, 6:54 PM CDT | Severe Thunderstorm Warning | MKX | Sheboygan | 51 min |
Nearby
Tornado Warnings in Wisconsin, 1987Every tornado warning in 1987Tornadoes 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.