Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 41, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 20, 1987, 11:46 AM CDT for Lincoln County, Oneida County, Wisconsin. It was in force for 44 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
- Jul 20, 1987, 11:46 AM CDT (16:46 UTC)
- Expired
- Jul 20, 1987, 12:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Lincoln County, WI, Oneida 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 |
|---|---|---|---|
| Jul 20, 12:00 PM CDT | Thunderstorm Wind 0 | Oneida, WI | |
| Jul 20, 12:20 PM CDT | Thunderstorm Wind 52 | Lincoln, 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, 4.8 hours before the alert went out and 167 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
- 3840 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 653 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 73 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 201646 SVRMKE WIC069-085-125-201730- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 1146 AM CDT MON JUL 20 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL WISCONSIN...LINCOLN...ONEIDA AND VILAS WEATHER RADAR AT1140 AM CDT SHOWS A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM NEAR CONOVER...30 NORTH NORTHEAST OF RHINELANDER... IN VILAS COUNTY...THROUGH MINOCQUA..22 MILES NORTHWEST OF RHINELANDER IN ONEIDA COUNTY INTO NORTHWEST LINCOLN COUNTY JUST WEST OF TOMAHAWK. THESE STORMS HAVE HAD A HISTORY OF SEVERE WEATHER. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS..LARGE HAIL..AND DEADLY LIGHTNING. TORNADOES CAN ALSO DEVELOP FROM SEVERE THUNDERSTORMS. IF THREATENING WEATHER APPROACHES..TAKE SHELTER IMMEDIATELY.
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 20, 10:20 AM CDT, 1 hour 26 minutes before
TTAAOO KMKE 201520 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 1015 AM CDT MON JUL 20 1987 ...INTENSE THUNDERSTORMS MOVING TOWARD NORTHCENTRAL WISCONSIN... AT 1015 AM WEATHER RADAR SHOWED A LINE OF INTENSE THUNDERSTORMS MOVING TOWARD NORTHCENTRAL WISCONSIN. THE LINE OF STORMS EXTENDED FROM THE SOUTH SHORE OF LAKE SUPERIOR WEST OF IRONWOOD MICHIGAN SOUTHEAST TO NEAR RICE LAKE THEN AROUND 20 MILES NORTHWEST OF EAU CLAIRE. THE SOUTHERN END OF THE LINE WAS MOVING A BIT TOWARD THE SOUTHEAST. THESE STORMS WERE MOVING EAST AT 40 MPH AND WILL BE MOVING INTO VILAS PRICE TAYLOR AND POSSIBLY NORTHERN CLARK COUNTY AROUND 11 AM. THESE STORMS HAVE HAD A HISTORY OF VERY STRONG WINDS. PEOPLE IN NORTHCENTRAL WISCONSIN SHOULD BE ON THE LOOKOUT FOR THESE INTENSE STORMS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. HENTZ
Special weather statement, Jul 20, 11:26 AM CDT, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 1125 AM CDT MON JUL 20 1987 ...INTENSE THUNDERSTORMS MOVING INTO VILAS AND ONEIDA COUUNTIES... AT 1115 AM WEATHER RADAR SHOWED A LINE OF INTENSE THUNDERSTORMS FROM THE EXTREME SOUTHEST CORNER OF VILAS COUNTY NEAR LAC DU FLAMBEAU THROUGH PRENTICE IN EASTERN PRICE COUNTY...45 MILES WEST SOUTHWEST OF RHINELANDER CONTINUING SOUTHWESTWARD THROUUGH TAYLOR COUNTY. THESE STORMS WERE MOVING EAST AT 40 MPH AND WILL BE MOVING THROUGH VILAS AND ONEIDA COUNTIES BETEEN 1125 AM AND 1230 PM. THESE STORMS HAVE HAD A HISTORY OF VERY STRONG WINDS. PEOPLE IN NORTHCENTRAL WISCONSIN SHOULD BE ON THE LOOKOUT FOR THESE INTENSE STORMS AND :BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. SCAFFIDI
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 11:04 AM CDT | Severe Thunderstorm Warning | MKX | Price, Taylor | 56 min |
| Jul 20, 11:29 AM CDT | Severe Thunderstorm Warning | MKX | Clark | 61 min |
| Jul 20, 11:46 AM CDT | Severe Thunderstorm Warning | MKX | Vilas | 44 min |
| Jul 20, 12:17 PM CDT | Severe Thunderstorm Warning | MKX | Forest, Langlade | 58 min |
| Jul 20, 12:28 PM CDT | Severe Thunderstorm Warning | MKX | Marathon | 62 min |
| Jul 20, 1:03 PM CDT | Severe Thunderstorm Warning | MKX | Portage | 57 min |
| Jul 20, 3:39 PM CDT | Severe Thunderstorm Warning | MKX | Portage, Wood | 31 min |
| Jul 20, 4:49 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac | 56 min |
| Jul 20, 6:12 PM CDT | Severe Thunderstorm Warning | MKX | Washington, Waukesha | 18 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.