Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 32, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 6, 1987, 5:44 PM CDT for Milwaukee County, Waukesha County, Wisconsin. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1987, 5:44 PM CDT (22:44 UTC)
- Expired
- Jul 6, 1987, 6:35 PM CDT
- In force
- 51 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Milwaukee County, WI, Waukesha 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 12:00Z, 10.7 hours before the alert went out and 162 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 7 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 062244 SVRMKE WIC079-133-062345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 544 PM CDT MON JUL 6 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTHEAST WISCONSIN...MILWAUKEE AND WAUKESHA ...INCLUDING THE ADJACENT COASTAL WATERS OF ....LAKE MICHIGAN AT 540 PM LINE OF SEVERE THUNDERSTORMS EXTENDED FROM NORTHWEST MILWAUKEE COUNTY TO WEST CENTRAL WAUKESHA COUNTY OR FROM ABOUT BROWN DEER..10 NORTHWEST OF MILWUAKEE TO JUST SOUTHWEST OF THE CITY OF WAUKESHA. NUMEROUS REPORTS OF LARGE HAIL HAVE BEEN RECEIVED WITH STORMS IN THIS LINE WITH THE STRONGEST STORM HEADING RIGHT FOR THE CITY OF WAUKESHA. THE STORMS ARE MOVING EAST AT 20 MPH. THIS IS AN EXTENSION OF THE WARNINGS PREVIOUSLY ISSUED FOR BOTH COUNTIES AND REPLACES THOSE WARNINGS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS..LARGE HAIL..AND DANGEROUS LIGHTNING. LOCALLY HEAVY RAINFALL FROM A SEVERE THUNDERSTORM MAY TRIGGER FLASH FLOODING IN LOW LYING OR URBAN AREAS. IF THREATENING WEATHER APPROACHES..SEEK SAFE SHELTER. JOHNSTON
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 6, 3:35 PM CDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 335 PM CDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM CDT FOR PORTIONS OF WESTERN AND SOUTHERN WISCONSIN... AT 330 PM CDT WEATHER RADAR INDICATED A 75 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM 25 MILES SOUTHWEST OF ROCKFORD ILLINOIS TO 20 MILES EAST OF MADISON AND TO 45 MILES NORTHEAST OF LACROSSE. THE ENTIRE AREA WAS MOVING TO THE EAST AT ABOUT 30 MPH. THE HEAVIEST RAINFALL AREAS WERE LOCATED 5 MILES EAST OF ELROY OR 45 MILES EAST OF LACROSSE...A SECOND JUST SOUTH OF RIO OR ABOUT 20 MILES NORTH NORTHEAST OF MADISON...AND A HEAVY RAINFALL AREA LOCATED OVER ROCKFORD ILLINOIS. AT 320 PM CDT THE JUNEAU COUNTY SHERIFF REPORTED WINDS OF 40 TO 45 MPH AT ELROY ALONG WITH VERY HEAVY RAINS. NO DAMAGE WAS REPORTED. NO OTHER REPORTS OF SEVERE WSATHER HAVE BEEN RECEIVED AS OF 330 PM CDT. ADDISON
Local storm report, Jul 6, 3:41 PM CDT, 2 hours 3 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MADISON WI
344 PM CDT MON JUL 6 1987
337 PM CDT THE COLUMBIA COUNTY SHERIFF REPORTED 40 TO 50 MPH WINDS..
PEA TO MARBEL SIZE HAIL AND VERY HEAVY RAIN WITH
VISIBILITY NEAR ZERO IN THE RAIN.
ADDISONSpecial weather statement, Jul 6, 4:05 PM CDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 405 PM CDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM CDT FOR PORTIONS OF WESTERN AND SOUTHERN WISCONSIN... AT 400 PM CDT WEATHER RADAR INDICATED A 75 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM 20 MILES EAST OF ROCKFORD ILLINOIS TO 25 MILES EAST OF MADISON AND TO 45 MILES NORTHEAST OF LACROSSE. THE ENTIRE AREA WAS MOVING TO THE EAST AT ABOUT 30 MPH. OTHER AREAS OF WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE NOTED OVER SOUTHEASTERN MINNESOTA AND NORTHEAST IOWA. VERY HEAVY RAINFALL WAS LOCATED FROM RANDOLPH TO JEFFERSON. THIS SHORT LINE OF THUNDERSTORMS WAS REPORTED TO CONTAIN 40 TO 50 MPH WINDS..PEA TO MARBEL SIZE HAIL ALONG WITH HEAVY RAIN THAT REDUCED THE VISIBILITY TO A FEW FEET IN COLUMBUS AT 337 PM CDT. OTHER AREAS OF HEAVY RAINFALL WERE NOTED 5 MILES SOUTH OF MAUSTON OR ABOUT 75 MILES NORTHWEST OF MADISON AND ANOTHER 15 MILES EAST OF ROCKFORD ILLINOIS. ADDISON
Special weather statement, Jul 6, 4:35 PM CDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 435 PM CDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM CDT FOR PORTIONS OF WESTERN AND SOUTHERN WISCONSIN... AT 430 PM CDT WEATHER RADAR INDICATED AREAS OF SHOWERS AND THUNDERSTORMS EXTENDING OVER MUCH OF CENTRAL AND SOUTHEAST WISCONSIN. THESE AREAS OF PRECIPITATION WERE MOVING TO THE EAST AT 25 MPH. VERY HEAVY RAINFALL WAS LOCATED 5 MILES NORTHEAST AND A SECOND ONE 10 MILES TO THE EAST SOUTHEAST OF WATERTOWN..OR ABOUT 40 TO 45 MILES EAST OF MADISON. ONE OTHER THUNDERSTORM OR NOTE WAS LOCATED 25 MILES EAST OF BLACK RIVER FALLS OR ABOUT 45 MILES SOUTHWEST OF WAUSAU. NO REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED AS OF 430 PM CDT. ADDISON
Special weather statement, Jul 6, 5:00 PM CDT, 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 502 PM CDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM CDT FOR PORTIONS OF WESTERN AND SOUTHERN WISCONSIN... AT 500 PM CDT WEATHER RADAR INDICATED AREAS OF SHOWERS AND THUNDERSTORMS EXTENDING OVER MUCH OF CENTRAL AND SOUTHEAST WISCONSIN. THESE AREAS OF PRECIPITATION WERE MOVING TO THE EAST AT 25 MPH. VERY HEAVY RAINFALL WAS LOCATED IN AN AREA ABOUT 15 MILES IN DIAMETER CENTERED ABOUT 15 MILES NORTHWEST OF MILWAUKEE. A SECOND AREA OF VERY HEAVY RAIN WAS NOTED ABOUT 30 MILES SOUTHWEST OF WAUSAU NEAR PITTSVILLE. NO REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED AT THIS OFFICE AS OF 500 PM CDT. ADDISON
Special weather statement, Jul 6, 5:36 PM CDT, 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 535 PM CDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM CDT FOR PORTIONS OF WESTERN AND SOUTHERN WISCONSIN... AT 530 PM CDT WEATHER RADAR INDICATED AREAS OF SHOWERS AND THUNDERSTORMS EXTENDING OVER MUCH OF SOUTHERN WISCONSIN AND EASTERN IOWA. THESE AREAS OF PRECIPITATION WERE MOVING TO THE EAST AT 25 MPH. VERY HEAVY RAINFALL WAS LOCATED IN AN AREA ABOUT 15 MILES WEST OF MILWAUKEE AND A SECOND AREA OF VERY OVER WEST BEND OR ABOUT 25 MILES NORTH OF MILWAUKEE. NO REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED AT THIS OFFICE AS OF 530 PM CDT. ADDISON
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:39 PM CDT | Severe Thunderstorm Warning | MKX | Dodge | 51 min |
| Jul 6, 4:59 PM CDT | Severe Thunderstorm Warning | MKX | Waukesha | 41 min |
| Jul 6, 5:23 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee | 37 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; the sounding from the Mesonet's radiosonde archive.