Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 17, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 6, 1986, 7:50 PM CDT for Racine County, Waukesha County, Wisconsin. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1986, 7:50 PM CDT (00:50 UTC)
- Expired
- Jul 6, 1986, 8:25 PM CDT
- In force
- 35 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Racine 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 00:00Z, 0.8 hours before the alert went out and 179 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
- 1867 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 76 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 070050 SVRMKE WIC101-133-070125- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 750 PM CDT SUN JUL 6 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 825 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTHEAST WISCONSIN...RACINE AND WAUKESHA ...INCLUDING THE ADJACENT COASTAL WATERS OF LAKE MICHIGAN. . AT 745 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM IN EXTREME NORTHEAST WALWORTH COUNTY MOVING EAST NORTHEAST AT 30 MILES AN HOUR. AT 743 PM CDT TREES WERE REPORTED DOWN IN THE EAST TROY AREA...24 MILES WEST SOUTHWEST OF MILWAUKEE. THIS STORM WILL AFFECT MAINLY SOUTHERN WAUKESHA AND WESTERN RACINE COUNTY. 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. TRM
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, 4:00 PM CDT, 3 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE, WI 400 PM CDT SUN JUL 06 1986 ...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS SOUTHEAST WISCONSIN... AT 345 PM CDT...RADAR SHOWED THUNDERSTORMS DEVELOPING RAPIDLY FROM NEAR STURTEVANT..OR 14 MILES SOUTH OF MILWAUKEE IN RACINE COUNTY..BACK ACROSS NORTHWEST KENOSHA COUNTY..THROUGH CENTRAL WALWORTH COUNTY NEAR DELAVAN..INTO NORTHEAST ILLINOIS NEAR ROCKFORD. THUNDERSTORMS WERE FIRING GENERALLY ALONG A WEAK FRONTAL BOUNDARY WHICH WAS LOCATED IN THIS AREA. MOVEMENT OF THESE STORMS WAS NORTHEAST AT 25 MPH. THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF WALWORTH..WAUKESHA.. MILWAUKEE..RACINE AND KENOSHA COUNTIES PLUS THE ADJACENT WATERS OF LAKE MICHIGAN THROUGH 600 PM CDT. ^ VERY HEAVY RAIN..FREQUENT AND DANGEROUS LIGHTNING..GUSTY WINDS AND EVEN SOME SMALL HAIL WILL BE POSSIBLE WITH THESE STORMS. ^ BOATERS ON LAKE MICHIGAN FROM MILWAUKEE TO KENOSHA SHOULD BE PREPARED TO S>EEK SAFE HARBOR..AS THUNDERSTORMS DEVELOP ACROSS THIS AREA. STAY TUNED TO THIS STATION..OR LOCAL TELEVISION AND RADIO..FOR FURTHER UPDATES. STUREY
Special weather statement, Jul 6, 6:34 PM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE, WI 632 PM CDT SUN JUL 06 1986 ...THUNDERSTORMS ARE MARCHING INTO SOUTHEAST WISCONSIN FROM ILLINOIS... AT 620 PM CDT...WEATHER RADAR AND SURFACE WEATHER OBSERVATIONS INDICATE A NEW AREA OF THUNDERSTORMS IS SPREADING INTO SOUTHEAST WISCONSIN FROM ILLINOIS. THESE THUNDERSTORMS ARE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. THEY ARE NOW MOVING INTO ROCK AND WALWORTH COUNTIES AND WILL BE SPREAD- ING INTO KENOSHA AS WELL AS ROCK COUNTY WITHIN THE HOUR. AT THERE CURRENT SPEED...THEY WOULD REACH SOUTHERN MILWAUKEE COUNTY BETWEEN 730 AND 8 PM. VERY HEAVY RAINS..GUSTY WINDS..AND DANGEROUS LIGHTNING ARE POSSIBLE WITH THESE STORMS. PERSONS IN SOUTHEAST WISCONSIN ARE ADVISED TO KEEP ABREAST OF THE LATEST WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER SHOULD THREATENING WEATHER APPROACH. MORRIS
Special weather statement, Jul 6, 7:04 PM CDT, 46 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MADISON WI 700 PM CDT SUN JUL 6 1986 AT 656 PM CDT...VERY STORNG THUNDERSTORMS WITH VERY HEAVY RAINS WERE LOCATED OVER JANESVILLE 30 MILES SOUTHEAST OF MADISON. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR AND SHOULD MOVE THROUGH THE WHITEWATER AREA BY 730 PM CDT. A FEW ISOLATED LIGHT RAINSHOWERS WERE OVER EXTREME SOUTHWEST WISCONSIN OVER LAFAYETTE AND GREEN COUNTIES. MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR. PRZEKURAT
Special weather statement, Jul 6, 7:39 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE, WI 739 PM CDT MON JUL 06 1986 AT 730 PM CDT...WEATHER RADAR AND SURFACE WEATHER OBSERVATIONS INDICATE A LARGE AREA OF SHOWERS AND THUNDERSTORMS OVER ALL OF SOUTHEAST WISCON- SIN. THE HEAVIEST ACTIVITY IS NOW OVER KENOSHA COUNTY..JUST SOUTH OF KENOSHA AND OVER WALWORTH COUNTY..JUST NORTH OF DELEVAN. SHERIFFS OFFICES IN BOTH COUNTIES REPORT VERY HEAVY RAIN AND PLENTY OF LIGHTNING BUT VERY LITTLE IN THE WAY OF STRONG GUSTY WINDS. AT THIS TIME...NO STREET FLOODING WAS REPORTED EITHER. THE SHOWERS AND THUNDERSTORMS ARE MOVING TO THE NORTHEAST AT AROUND 25 MILES AN HOUR. VERY HEAVY RAINS...SMALL HAIL...MINOR STREET FLOODING AND DANGEROUS LIGHTNING IS LIKELY WITH THESE STORMS. GUSTY WINDS ARE ALSO POSSIBLE. PERSONS IN SOUTHEAST WISCONSIN ARE ADVISED TO KEEP ABREAST OF THE LATEST WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER SHOULD THREATENING WEATHER APPROACH. MORRIS
Special weather statement, Jul 6, 7:40 PM CDT, 10 minutes before
SPECIAL WEATHER STATEMENT CORRECTED NATIONAL WEATHER SERVICE MILWAUKEE, WI 740 PM CDT SUN JUL 06 1986 AT 730 PM CDT...WEATHER RADAR AND SURFACE WEATHER OBSERVATIONS INDICATE A LARGE AREA OF SHOWERS AND THUNDERSTORMS OVER ALL OF SOUTHEAST WISCON- SIN. THE HEAVIEST ACTIVITY IS NOW OVER KENOSHA COUNTY..JUST SOUTH OF KENOSHA AND OVER WALWORTH COUNTY..JUST NORTH OF DELEVAN. SHERIFFS OFFICES IN BOTH COUNTIES REPORT VERY HEAVY RAIN AND PLENTY OF LIGHTNING BUT VERY LITTLE IN THE WAY OF STRONG GUSTY WINDS. AT THIS TIME...NO STREET FLOODING WAS REPORTED EITHER. THE SHOWERS AND THUNDERSTORMS ARE MOVING TO THE NORTHEAST AT AROUND 25 MILES AN HOUR. VERY HEAVY RAINS...SMALL HAIL...MINOR STREET FLOODING AND DANGEROUS LIGHTNING IS LIKELY WITH THESE STORMS. GUSTY WINDS ARE ALSO POSSIBLE. PERSONS IN SOUTHEAST WISCONSIN ARE ADVISED TO KEEP ABREAST OF THE LATEST WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER SHOULD THREATENING WEATHER APPROACH. MORRIS
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 8:03 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee | 42 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1986Every severe thunderstorm warning in 1986
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.