Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 91, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 5, 1986, 8:38 PM CDT for Chippewa County, Eau Claire County, Wisconsin. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Jul 5, 1986, 8:38 PM CDT (01:38 UTC)
- Expired
- Jul 5, 1986, 9:30 PM CDT
- In force
- 52 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Chippewa County, WI, Eau Claire 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
Minneapolis, MN (KSTC), launched 00:00Z, 1.6 hours before the alert went out and 183 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
- 1117 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 060138 SVRMSP WIC017-035-060230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 838 PM CDT SAT JUL 5 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL WISCONSIN...EASTERN CHIPPEWA AND WESTERN EAU CLAIRE AT 830 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM SOUTHWEST OF EAU CLAIRE WISCONSIN NEAR ROCK FALLS AND WAS MOVING NORTHEAST AT 40 MILES AN HOUR. SOME CITIES IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...EAU CLAIRE IN EAU CLAIRE COUNTY AND BOYD IN EASTERN CHIPPEWA COUNTY. REMEMBER SEVERE THUNDERSTORMS PRODUCE STRONG DAMAGING WINDS..LARGE HAIL AND FREQUENT LIGHTNING STRIKES. ALSO SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED. MNILLER
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 5, 3:15 PM CDT, 5 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 345 PM CDT SAT JUL 5 1986. ...TORNADO WATCH 400 PM CDT TO 1000 PM CDT... ...STRONG THUNDERSTORMS IN CENTRAL MINNESOTA... AT 345 PM CDT RADAR SHOWED A RAPIDLY DEVELOPING LINE OF STRONG THUNDERSTORMS IN CENTRAL MINNESOTA EXTENDING FROM BRAINERD TO WILMAR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAIN..HAIL AND VERY GUSTY WINDS. THE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 25 MPH. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED YOU SHOULD BE PREPARED TO GO TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. YOUNG/FRASER
Special weather statement, Jul 5, 7:19 PM CDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEPOLIS/ST PAUL MN 700 PM CDT SAT JUL 5 1986 ...A PORTION OF TORNADO WATCH NUMBER 337 CANCELLED FOR MINNESOTA... THE STRONG COLDFRONT WHICH SPAWNED THE SEVERE THUNDERSTORMS IN MINNESOTA THIS AFTERNOON AND EARLY EVENING HAS MOVED EAST TO NEAR A FAIRMONT TO HIBBING LINE AT 7PM. THUS..THE THREAT OF SEVERE THUNDERSTORMS HAS ENDED FOR THAT PORTION OF MINNESOTA WEST OF THIS FRONT. SOME OF THE CITIES NO LONGER UNDER THE TORNADO WATCH ARE BRAINERD..ST CLOUD..REDWOOD FALLS..WORTHINGTON..AND BUFFALO. THE TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF MINNESOTA EAST OF A LINE FROM HIBBING TO FAIRMONT UNTIL 10PM. AS THE COLDFRONT CONTINUES TO MOVE EAST ADDITIONAL PORTIONS OF THE WATCH MAY BE CLEARED. PAULSON
Special weather statement, Jul 5, 8:13 PM CDT, 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEPOLIS/ST PAUL MN 805 PM CDT SAT JUL 5 1986 ...TORNADO WATCH NUMBER 337 REMAINS IN EFFECT FOR ONLY A PORTION OF SOUTHEAST MINNESOTA.. THE STRONG COLDFRONT WHICH SPAWNED THE SEVERE THUNDERSTORMS IN MINNESOTA THIS AFTERNOON AND EARLY EVENING HAS MOVED EAST OF A DULUTH TO MINNEAPOLIS..TO MANKATO LINE. THUS..THE THREAT OF SEVERE THUNDERSTORMS HAS ENDED FOR THAT PORTION OF MINNESOTA WEST OF THIS FRONT. THUS..DULUTH AND THE TWIN CITIES ARE NO LONGER UNDER THE TORNADO WATCH. THE TORNADO WATCH REMAINS IN EFFECT ONLY FOR THE REDWING..ALBERT LEA.. AUSTIN AREAS OF SOUTHEAST MINNESOTA. SEVERE WEATHER MAY MOVE EAST ACROSS THE REMAI4NDER OF SOUTHEAST MINNESOTA THIS EVENING. PAULSON
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 8:04 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn | 56 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.