Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 63, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 16, 1987, 6:48 PM CDT for Dodge County, Jefferson County, Wisconsin. It was in force for 57 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
- Aug 16, 1987, 6:48 PM CDT (23:48 UTC)
- Expired
- Aug 16, 1987, 7:45 PM CDT
- In force
- 57 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Dodge County, WI, Jefferson 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 16, 6:55 PM CDT | Thunderstorm Wind 0 | Jefferson, WI | |
| Aug 16, 7:00 PM CDT | Thunderstorm Wind 0 | Jefferson, 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, 11.8 hours before the alert went out and 149 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
- 1791 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 577 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 79 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 162348 SVRMKE WIC027-039-055-170045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 648 PM CDT SUN AUG 16 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTHEAST WISCONSIN...DODGE...FOND-DU-LAC AND JEFFERSON AT 645 PM CDT..A LINE OF SEVERE THUNDERSTORMS WAS LOCATED FROM FOND DU LAC COUNTY TO JEFFERSON COUNTY. AT 640 PM 50 TO 60 MPH WINDS WAS REPORTED AT BEAVER DAM IN DODGE COUNTY WITH TREES BLOWN DOWN. 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. 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, Aug 16, 4:46 PM CDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 445 PM CDT SUN AUG 16 1987 ...A TORNADO WATCH IN EFFECT FOR MUCH OF SOUTHWEST WISCONSIN AND ADJOINING AREAS TO THE WEST UNTIL 10PM CDT THIS SUNDAY AFTERNOON AND EVENING... AT 430 PM CDT...WEATHER RADAR DETECTED VERY STONG THUNDERSTORMS 10 MILES NORTHWEST OF LODI OR 20 MILES NORTHWEST OF MADISON. MOVEMENT WAS EAST 30 MPH. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS. ALL PERSONS SHOULD BE ALERT FOR RAPIDLY CHANGING CONDITIONS. ELSWHERE WIDELY SCATTERED MODERATE THUNDERSTORMS WERE DETECTED NEAR OREGON AND ALSO 3 MILES SOUTHWEST OF WATERLOO OR 15 MILES EAST NORTHEAST OF MADISON. MOVEMENT WAS ALSO EAST AT 30 MPH. PRZEKURAT
Special weather statement, Aug 16, 5:18 PM CDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 505 PM CDT SUN AUG 16 1987 ...A TORNADO WATCH IN EFFECT FOR MUCH OF SOUTHWEST WISCONSIN AND ADJOINING AREAS TO THE WEST UNTIL 10PM CDT THIS SUNDAY AFTERNOON AND EVENING... AT 505 PM CDT...WEATHER RADAR DETECTED VERY STONG THUNDERSTORMS 5 MILES NORTH OF LODI OR 23 MILES NORTHWEST OF MADISON..2 MILES SOUTHEAST OF PORTAGE OR 23 MILES NORTH OF MADISON AND 5 MILES SOUTHWEST OF LAKE DELTON OR 30 MILES NORTHWEST OF MADISON. ALL STORMS WERE MOVING EAST AT 25 MPH. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS. ALL PERSONS SHOULD BE ALERT FOR RAPIDLY CHANGING CONDITIONS. ELSEWHERE WIDELY SCATTERED MODERATE THUNDERSTORMS WERE NEAR DARLINGTON OR 45 MILES SOUTHWEST OF MADISON AND ALSO NEAR RICHLAND CENTER OR 45 MILES NORTHWEST OF MADISON. MOVEMENT WAS ALSO EAST AT 25 MPM. PRZEKURAT
Special weather statement, Aug 16, 5:53 PM CDT, 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 550 PM CDT SUN AUG 16 1987 ...STRONG THUNDERSTORMS APPROACHING SOUTHEAST WISCONSIN... AT 550 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED IN WESTERN DODGE AND FOND DU LAC COUNTIES OF SOUTHEAST WISCONSIN. THE STORMS WERE MOVING NORTHEAST AT 50 MPH. OTHER STRONG THUNDERSTORMS WERE LOCATED NEAR MADISON SOUTH TO GREEN COUNTY OF SOUTH/CENTRAL WISCONSIN. THESE STORMS WILL BE AFFECTING JEFFERSON COUNTY. THESE STORMS WILL BE PRODUCING VERY HEAVY RAIN..FREQUENT LIGHTNING.. WINDS IN EXCESS OF 45 MPH AND HAIL. THESE STORMS WILL BE AFFECTING FOND DU LAC..DODGE AND JEFFERSON COUNTIES THROUGH 700 PM. IF THREATENING WEATHER APPROACHES YOU SHOULD MOVE TO A PLACE OF SAFETY. HAASE
Special weather statement, Aug 16, 6:14 PM CDT, 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 615 PM CDT SUN AUG 16 1987 ...SOME WESTERN WISCONSIN COUNTIES CLEARED FROM WATCH... THE FOLLOWING COUNTIES OF WEST/CENTRAL AND SOUTHWEST WISCONSIN ARE CLEARED OF TORNADO WATCH NUMBER 485 AS OF 615 PM..... LA CROSSE..MONROE..JUNEAU..VERNON..CRAWFORD..GRANT AND RICHLAND. THE THREAT OF SEVERE WEATHER HAS ENDED FOR THESE COUNTIES. HAASE
Special weather statement, Aug 16, 6:39 PM CDT, 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 640 PM CDT SUN AUG 16 1987 ...INTENSE THUNDERSTORMS INTO SOUTHEAST WISCONSIN... AT 635 PM CDT...A LINE OF INTENSE THUNDERSTORMS WAS LOCATED IN WESTERN FOND DU LAC..DODGE AND WESTERN JEFFERSON COUNTIES OF SOUTHEAST WISCONSIN. THESE STORMS ARE MOVING EAST AT 25 MPH. TORRENTIAL RAINS ARE ACCOMPANYING THE LINE OF STORMS. MADISON REPORTED 2 INCHES OF RAIN IN ONLY 30 MINUTES /BETWEEN 550 PM AND 620 PM/. THESE STORMS WILL MOVE THROUGH DODGE..FOND DU LAC..JEFFERSON AND WALWORTH COUNTIES THROUGH 730 PM. THE THUNDERSTORMS WILL PRODUCE TORRENTIAL RAINS..FREQUENT LIGHTNING.. WINDS IN EXCESS OF 40 MPH AND HAIL. THE TORRENTIAL RAINS WILL CAUSE FLOODING OF URBAN AND LOWLAND FLOODING AND FLOODING OF UNDERPASSES AND STREETS. IF THREATENING WEATHER APPROACHES MOVE TO A PLACE OF SAFETY. HAASE
Special weather statement, Aug 16, 6:42 PM CDT, 6 minutes before
SPECIAL WEATHER STATEMENT ...CORRECTED... NATIONAL WEATHER SERVICE MILWAUKEE WI 640 PM CDT SUN AUG 16 1987 ...INTENSE THUNDERSTORMS INTO SOUTHEAST WISCONSIN... AT 635 PM CDT...A LINE OF INTENSE THUNDERSTORMS WAS LOCATED IN WESTERN FOND DU LAC..DODGE AND WESTERN JEFFERSON COUNTIES OF SOUTHEAST WISCONSIN. THESE STORMS ARE MOVING EAST AT 25 MPH. TORRENTIAL RAINS ARE ACCOMPANYING THE LINE OF STORMS. MADISON REPORTED 2 INCHES OF RAIN IN ONLY 30 MINUTES /BETWEEN 550 PM AND 620 PM/. THESE STORMS WILL MOVE THROUGH DODGE..FOND DU LAC..JEFFERSON AND WALWORTH COUNTIES THROUGH 730 PM. THE THUNDERSTORMS WILL PRODUCE TORRENTIAL RAINS..FREQUENT LIGHTNING.. WINDS IN EXCESS OF 40 MPH AND HAIL. DUE TO THE TORRENTIAL RAINS..URBAN AND LOWLAND FLOODING IS LIKELY ALONG WITH FLOODING OF UNDERPASSES AND STREETS. IF THREATENING WEATHER APPROACHES MOVE TO A PLACE OF SAFETY. HAASE
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 8:08 PM CDT | Tornado Warning | MKX | Milwaukee | 37 min |
| Aug 16, 1:03 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 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
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.