Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 18, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 6, 1986, 8:03 PM CDT for Milwaukee County, Wisconsin. It was in force for 42 min. 1 report 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
- Jul 6, 1986, 8:03 PM CDT (01:03 UTC)
- Expired
- Jul 6, 1986, 8:45 PM CDT
- In force
- 42 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Milwaukee 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 |
|---|---|---|---|
| Jul 6, 8:30 PM CDT | Thunderstorm Wind 52 | Milwaukee, 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 00:00Z, 1.1 hours before the alert went out and 163 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 070103 SVRMKE WIC079-070145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 803 PM CDT SUN JUL 6 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTHEAST WISCONSIN...MILWAUKEE ...INCLUDING THE ADJACENT COASTAL WATERS OF LAKE MICHIGAN. . AT 800 PM CDT...RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS FROM JUST SOUTHEAST OF THE CITY OF WAUKESHA TO NEAR WIND LAKE... 13 MILES WEST SOUTHWEST OF MILWAUKEE. THESE THUNDERSTORMS ARE MOVING EAST NORTHEAST AT 30 MILES AN HOUR. AT 755 PM CDT...WIND LAKE IN RACINE COUNTY...REPORTED A WIND GUST IN EXCESS OF 50 MILES AN HOUR. 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, 4 hours 3 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 29 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, 59 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, 24 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, 23 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, 7:50 PM CDT | Severe Thunderstorm Warning | MKX | Racine, Waukesha | 35 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.