Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 29, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 6, 1987, 3:39 PM CDT for Dodge County, Wisconsin. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1987, 3:39 PM CDT (20:39 UTC)
- Expired
- Jul 6, 1987, 4:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Dodge 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, 8.7 hours before the alert went out and 128 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 062039 SVRMKE WIC027-062130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 339 PM CDT MON JUL 6 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTHEAST WISCONSIN...DODGE AT 335 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY RADAR IN COLUMBIA COUNTY NEAR COLUMBUS...ABOUT 25 MILES NORTHEAST OF MADISON. THIS STORM WAS MOVING NORTHEAST AT 30 MPH AND WILL MOVE ACROSS DODGE COUNTY. TOWNS IN OR NEAR THE PATH OF THIS STORM ARE FOX LAKE ..MAYVILLE...HORICON...AND JUNEAU. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS..LARGE HAIL AND DANGEROUS LIGHTNING. IF THREATENING WEATHER APPROACHES TAKE SHELTER. HAASE
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, 2:10 PM CDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 205 PM CDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM CDT FOR PORTIONS OF WESTERN AND SOUTHERN WISCONSIN... AT 200 PM CDT WEATHER RADAR INDICATED A LINE OF SHOWERS AND SOME THUNDERSTORMS EXTENDING FROM 10 MILES WEST OF MADISON TO 25 MILES EAST OF LACROSSE. THIS LINE WAS MOVING TO THE EAST AT ABOUT 30 MPH. A SECOND AREA OF SHOWERS AND THUNDERSTORMS WAS LOCATED OVER EXTREME SOUTHWEST WISCONSIN AND NORTHWESTERN ILLIONIS WITH THE HEAVIEST RAINFALL AREA LOCATED 25 MILES EAST SOUTHEAST OF DUBUQUE IOWA. THIS AREA WAS ALSO MOVING TO THE EAST AT ABOUT 30 MPH. ONLY HEAVY RAIN HAS BEEN REPORTED FROM SOME OF THE STRONG THUNDERSTORMS THUS NO SEVERE HAS BEEN REPORTED AS OF 200 PM CDT. ADDISON
Special weather statement, Jul 6, 2:37 PM CDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 235 PM CDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM CDT FOR PORTIONS OF WESTERN AND SOUTHERN WISCONSIN... AT 230 PM CDT WEATHER RADAR INDICATED A BROAD AREA OF SHOWERS AND SOME THUNDERSTORMS ABOUT 50 MILES WIDE EXTENDING FROM 35 MILES NORTH OF MOLINE ILLINOIS TO 10 MILES NORTHWEST OF MADISON TO 25 MILES NORTHEAST OF LOCROSSE. THE ENTIRE AREA WAS MOVING TO THE EAST AT ABOUT 30 MPH. THE HEAVIEST RAINFALL AREAS WERE LOCATED BETWEEN SAUK CITY AND LODI OR ABOUT 20 WEST NORTHWEST TO 15 MILES NORTH OF MADISON. ALSO A VERY HEAVY RAIN AREA WAS NOTED 5 MILES SOUTH OF LENA ILLINOIS OR ABOUT 35 MILES WEST OF ROCKFORD. VERY HEAVY RAIN HAS BEEN REPORTED...NOT MUCH WIND AND NO REPORTS OF ANY SEVERE WEATHER AS OF 230 PM CDT. ADDISON
Special weather statement, Jul 6, 2:59 PM CDT, 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 255 PM CDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CLARK AND WOOD COUNTIES OF CENTRAL WISCONSIN UNTIL 700 PM... AT 250 PM CDT...THUNDERSTORMS WERE IN WESTERN CLARK COUNTY OF CENTRAL WISCONSIN. AT THE PRESENT TIME THESE STORMS WERE NOT STRONG HOWEVER... STRONG THUNDERSTORMS WERE LOCATED IN WESTERN AND SOUTHWEST WISCONSIN. STRONG THUNDERSTORMS ARE EXPECTED TO MOVE INTO CLARK AND WOOD COUNTIES OF CENTRAL WISCONSIN BY 330 PM. ANY THUNDERSTORM THAT DEVELOPS CAN PRODUCE VERY HEAVY RAIN...STRONG WINDS AND POSSIBLE LARGE HAIL. YOU SHOULD STAY ALERT TO THE DEVELOPMENT OF STRONG THUNDERSTORMS AND SEEK SHELTER IF THREATENING WEATHER APPROACHES. HAASE
Special weather statement, Jul 6, 3:05 PM CDT, 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 303 PM CDT MON JUL 6 1987 ...STRONG THUNDERSTORMS MOVING INTO DODGE AND JEFFERSON COUNTIES... AT 300 PM CDT...WEATHER RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS IN EASTERN COLUMBIA AND NORTHEAST DANE COUNTY IN SOUTHERN WISCONSIN. THE STORMS WERE MOVING TO THE EASTNORTHEAST AT 30 MPH AND WILL BE MOVING INTO PORTIONS OF WESTERN DODGE AND NORTHWESTERN JEFFERSON COUNTIES BETWEEN 3 AND 330 PM. THESE STRONG THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN...GUSTY WINDS AND POSSIBLE SMALL HAIL. PERSONS IN DODGE AND JEFFERSON COUNTIES SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS THESE STORMS APPROACH. FIELD
Special weather statement, Jul 6, 3:06 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 305 PM CDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM CDT FOR PORTIONS OF WESTERN AND SOUTHERN WISCONSIN... AT 300 PM CDT WEATHER RADAR INDICATED A 75 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM 35 MILES SOUTHWEST OF ROCKFORD ILLINOIS TO MADISON AND TO 35 MILES NORTHEAST OF LACROSSE. THE ENTIRE AREA WAS MOVING TO THE EAST AT ABOUT 20 MPH. THE HEAVIEST RAINFALL AREAS WERE LOCATED OVER ELROY OR 45 MILES EAST OF LACROSSE...JUST NORTHEAST OF LODI OR ABOUT 20 MILES NORTH OF MADISON... ANOTHER LOCATED 5 MILES NORTHWEST OF MT. HOREB OR ABOUT 20 MILES WEST MADISON AND A VERY HEAVY RAINFALL AREA LOCATED 15 MILES WEST OF ROCKFORD ILLINOIS. VERY HEAVY RAIN HAS BEEN REPORTED...NOT MUCH WIND AND NO REPORTS OF ANY SEVERE WEATHER AS OF 300 PM CDT. ADDISON
Special weather statement, Jul 6, 3:35 PM CDT, 4 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
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Jul 6, 5:44 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Waukesha | 51 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.