Alert archive / Minnesota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 124, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 26, 1986, 6:15 PM CDT for Chippewa County, Minnesota. It was in force for 60 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 26, 1986, 6:15 PM CDT (23:15 UTC)
- Expired
- Jul 26, 1986, 7:15 PM CDT
- In force
- 60 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Chippewa 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 26, 6:15 PM CDT | Tornado F1 | Chippewa, 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, 11.3 hours before the alert went out and 156 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
- 970 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 93 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 KSTC 262315 SVRSTC MNC023-270015- BULLETIN-IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST CLOUD MN 615 PM CDT SAT JUL 26 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF CENTRAL MINNESOTA...CHIPPEWA INCLUDING THE CITY OF CLARA CITY AT 615 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHCENTRAL CHIPPEWA COUNTY MOVING EAST NORTHEAST AT 15 MPH. AT 600 PM CDT CHIPPEWA COUNTY SHERIFFS OFFICE REPORTED GOLF BALL SIZE HAIL 8 EAST OF MONTEVIDEO..ALSO HEAVY RAIN. LARGE HAIL..DANGEROUS LIGHTNING..HEAVY RAINFALL..AND DAMAGING WINDS CAN BE EXPECTED FROM SEVERE THUNDERSTORMS. f IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY..AND YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORT TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE. RUBIN/YOUNG
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 5:15 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 60 min |
| Jul 26, 6:45 PM CDT | Tornado Warning | MPX | Chippewa | 30 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.