Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 49, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 20, 1987, 10:13 PM CDT for Marathon County, Wisconsin. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jul 20, 1987, 10:13 PM CDT (03:13 UTC)
- Expired
- Jul 20, 1987, 11:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Marathon 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 00:00Z, 3.2 hours before the alert went out and 139 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
- 1520 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 346 m²/s²
- 0-3 km storm-relative helicity
- 393 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 210313 SVRMKE WIC073-210400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 1013 PM CDT MON JUL 20 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF CENTRAL WISCONSIN...MARATHON AT 1005 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR ATHENS IN THE NORTHWEST PART OF MARATHON COUNTY...OR ABOUT 22 MILES WEST/NORTHWEST OF WAUSAU. THIS STORM WAS MOVING EAST/SOUTHEAST AT 30 MPH. A COUPLE CITIES IN THE PATH OF THE STORM ARE MARATHON AND WAUSAU. REMEMBER..SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT. STUREY
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, 6:05 PM CDT, 4 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 605 PM CST MON JUL 20 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM FOR SOUTHERN WISCONSIN ...THE SEVERE THUNDERSTORM WARNING FOR DANE COUNTY HAS EXPIRED... AT 6 PM CDT A LINE OF SHOWERS AND THUNDERSTORMS EXTENDED MAINLY WEST- NORTHWEST TO EAST-SOUTHEAST THROUGH THE MADISON AREA. THIS LINE HAS WEAKENED AND DOES NOT SEEM A FURTHER THREAT TO DANE COUNTY. WIND GUSTS AT TRUAX FIELD IN MADISON WAS 35 MILES AN HOUR FROM THE NORTHEAST AT 513 PM CDT. REPORTS OF UNCONFIRMED FUNNELS WERE RECEIVED FROM ARENA.. CROSS PLAINS AND SOUTHWEST MADISON. RADAR DID NOT INDICATE FORMATION IN THOSE AREAS. ADDISON
Special weather statement, Jul 20, 6:25 PM CDT, 3 hours 48 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 625 PM CST MON JUL 20 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM FOR SOUTHERN WISCONSIN AT 620 PM CDT A LINE OF SHOWERS AND THUNDERSTORMS EXTENDED FROM LONE ROCK TO WHITEWATER OR TO 35 MILES SOUTHEAST OF MADISON. THIS LINE WAS MOVING TO THE SOUTH AT ABOUT 25 MPH. HIGH WINDS OF 35 TO 50 MPH HAVE OCCURRED WITH THIS LINE AS IT MOVES SOUTHWARD. VERY HEAVY RAIN AND LOW DARK CLOUDS HAVE BEEN NOTED WITH THE LINE. ADDISON
Special weather statement, Jul 20, 6:52 PM CDT, 3 hours 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 650 PM CDT MON JUL 20 1987 ...THUNDERSTORMS MOVING THROUGH SOUTHEAST WISCONSIN... AT 640 PM...RADAR SHOWED A BAND OF RATHER STRONG THUNDERSTORMS FROM EASTERN OZAUKEE COUNTY TO THE WAUKESHA AREA IN WAUKESAH COUNTY... SOUTHWEST INTO WALWORTH COUNTY NEAR WHITEWATER OR 43 MILES SOUTHWEST OF MILWAUKEE. 45 TO 50 MPH WERE REPORTED IN CEDERBURGH IN OZAUKEE...OR 18 MILES NORTH OF MILWAUKEE...THE PAST 15 MINUTES. STORMS WERE MOVING SOUTHEAST AT 35 MPH AND WILL AFFECT PARTS OF OZAUKEE...MILWAUKEE...WAUKESHA...WALWORTH AND RACINE COUNTIES THROUGH 800 PM. STORMS MAY ENTER KENOSHA COUNTY AFTER 700 PM IF THEY HOLD TOGETHER. WINDS O0F 40 TO 50 MPH WILL BE POSSIBLE AS THESE STORMS MOVE THROUGH. BOATERS ON LAKE MICHIGAN FROM PORT WASHINGTON TO RACINE SHOULD SEEK SAFE HARBOR. ^ STUREY
Special weather statement, Jul 20, 6:59 PM CDT, 3 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 658 PM CST MON JUL 20 1987 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM FOR MUCH OF SOUTHERN WISCONSIN... AT 655 PM CDT A LINE OF SHOWERS AND THUNDERSTORMS EXTENDED FROM NEW GLARUS OR 20 MILES SOUTHWEST OF MADISON TO 35 MILES SOUTHWEST OF MILWAUKEE. THIS LINE WAS MOVING TO THE SOUTH AT ABOUT 25 MPH. THE HEAVY RAIN AND WINDS ARE BECOMING WEAKER AND LESS INTENSE. NO OTHER SEVER>E WEATHER HAS OCCURRED SINCE 6 PM CDT. ADDISON
Special weather statement, Jul 20, 9:00 PM CDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 858 PM CDT MON JUL 20 1987 ...STRONG THUNDERSTORMS MOVING INTO PRICE AND TAYLOR COUNTIES... AT 855 PM...RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS OVER SOUTHWEST PRICE COUNTY AND NORTHWEST TAYLOR COUNTY. THE STRONGEST STORM WAS ABOUT 5 MILES SOUTH OF KENNAN IN SOUTHWEST PRICE COUNTY...OR ABOUT 56 MILES WEST SOUTHWEST OF RHINELANDER. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS. HOWEVER STRONG GUSTY WINDS...HEAVY RAIN...AND SOME HAIL ARE POSSIBLE. THE STORMS WERE MOVING EAST AT ABOUT 30 MPH AND WILL AFFECT PARTS OF SOUTHERN PRICE...NORTHERN TAYLOR...SOUTHWEST ONEIDA...AND WESTERN LINCOLN COUNTIES BETWEEN NOW AND 1015 PM. PERSONS IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFETY. FIELD
Special weather statement, Jul 20, 9:46 PM CDT, 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 945 PM CDT MON JUL 20 1987 ...STRONG THUNDERSTORMS IN CENTRAL WISCONSIN... AT 940 PM...RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS IN NORTH/ CENTRAL TAYLOR COUNTY...ACROSS THE CHEQUAMEGON NATIONAL FOREST NEAR HANNIBAL...OR 48 MILES NORTHEAST OF EAU CLAIRE. THESE STORMS WERE MOVING EAST AT 30 MILES AN AND WILL CONTINUE IN PARTS OF TAYLOR COUNTY TIL 1015 PM. IF THE STORMS H'OLD TOGETHER... THE SHOULD REACH PARTS OF LINCOLN AND MARATHON COUNTIES SHORTLY AFTER 1000 PM CDT. GUSTY WINDS TO 40 MPH...SMALL HAIL...FREQUENT AND DANGEROUS LIGHTNING STRIKES AND HEAVY RAIN WILL BE POSSIBLE WITH THESE STORMS. STUREY
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.