Alert archive / Minnesota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 88, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 5, 1986, 5:17 PM CDT for Carver County, Hennepin County, Wright County, Minnesota. It was in force for 53 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 5, 1986, 5:17 PM CDT (22:17 UTC)
- Expired
- Jul 5, 1986, 6:10 PM CDT
- In force
- 53 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Carver County, MN, Hennepin County, MN, Wright County, MN
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 5, 6:00 PM CDT | Thunderstorm Wind 0 | Wright, MN |
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
Minneapolis, MN (KSTC), launched 12:00Z, 10.3 hours before the alert went out and 20 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
- 2042 J/kg
- Mixed-layer CIN
- -230 J/kg
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 052217 SVRMSP MNC171-019-053-052310- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 517 PM CDT SAT JUL 5 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 610 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF CENTRAL MINNESOTA...EASTERN WRIGHT...NORTHERN CARVER AND WESTERN HENNEPIN AT 5.05 PM CDT...50 TO 60 MPH WIND WAS REPORTED AT HOWARD LAKE MINNESOTA OF SOUTH CENTRAL WRIGHT COUNTY. SEVERE THUNDERSTORMS WEST OF THE TWIN CITIES FROM ANNANDALE TO JUST WEST OF WATERTOWN TO NEAR NORWOOD MINNESOTA WERE RAPIDLY NORTHEAST AT 40 MILES AN HOUR AND ARE EXPECTED TO PRODUCE STRONG WINDS IN EXCESS OF 50 MILES AN HOUR...HAIL AND FREQUENT LIGHTNING. SOME CITIES IN THE PATH OF THESE STORMS ARE DELANO...MINNETONKA... AND WATERTOWN MINNESOTA. REMEMBER SEVERE THUNDERSTORMS PRODUCE STRONG DAMAGING WINDS..LARGE HAIL AND FREQUENT LIGHTNING STRIK^ES. 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. MILLER
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, 2 hours 2 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
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 4:15 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison | 60 min |
| Jul 5, 4:45 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 60 min |
| Jul 5, 5:30 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 60 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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.