Alert archive / Minnesota / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 51, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 1986, 6:25 PM CDT for McLeod County, Sibley County, Minnesota. It was in force for 50 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
- Jun 17, 1986, 6:25 PM CDT (23:25 UTC)
- Expired
- Jun 17, 1986, 7:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties McLeod County, MN, Sibley 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 |
|---|---|---|---|
| Jun 17, 6:47 PM CDT | Hail 3 | Sibley, 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, 11.4 hours before the alert went out and 54 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
- 1303 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 98 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 KMSP 172325 SVRMSP MNC085-143-180015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 625 PM CDT TUE JUN 17 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...MCLEOD AND SIBLEY AT 615 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 45 MILES WEST OF THE TWIN CITIES NEAR GLENCOE IN MCLEOD COUNTY. THIS THUNDERSTORM IS MOVING SOUTHEAST AT 35 MILES AN HOUR. OTHER STRONG THUNDERSTORMS WERE LOCATED NEAR HUTCHINSON IN NORTHEST MCLEOD COUNTY AND NEAR ARLINGTON IN SIBLEY COUNTY. HAIL AROUND MARBLE SIZE WAS REPORTED NEAR THE MCLEOD/SIBLEY COUNTY LINE. 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. PAULSON
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, Jun 17, 3:47 PM CDT, 2 hours 38 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS, MN
245 PM CDT TUE JUN 17 1986
... SEVERE THUNDERSTORM WARNING FOR EASTERN GRANT..DOUGLAS..AND POPE
COUNTIES OF WEST CENTRAL MINNESOTA UNTIL 445 PM ...
AT 345 PM CDT THUNDERSTORMS WERE RACING THROUGH PARTS OF EAST CENTRAL
MINNESOTA..ABOUT 120 TO 150 MILES NORTHWEST OF THE TWIN CITIES..OR JUST
WEST AND NORTHWEST OF ALEXANDRIA. A REPORT OF 3/4 INCH HAIL AT
ELBOW LAKE MINNESOTA..ABOUT 30 MILES NORTHWEST OF ALEXANDRIA..HAS
CAUSED A SEVERE THUNDERSTORM WARNING TO BE ISSUED FOR EASTERN GRANT..
POPE AND DOUGLAS COUNTIES OF MINNESOTA. THIS INCLUDES THE CITIES OF
ALEXANDRIA AND GLENWOOD.
OTHER SHOWERS =AND THUNDERSTORMS WERE ALSO MOVING THROUGH OTTERTAIL
COUNTY..AND WILL PROBABLY PASS NORTH OF ALEXANDRIA. THESE STORMS WERE
MOVING SOUTHEAST AT 30 TO 40 MILES AN HOUR.
R.J. KESSLERSpecial weather statement, Jun 17, 3:49 PM CDT, 2 hours 36 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS, MN
245 PM CDT TUE JUN 17 1986
... SEVERE THUNDERSTORM WARNING FOR EASTERN GRANT..DOUGLAS..AND POPE
COUNTIES OF WEST CENTRAL MINNESOTA UNTIL 445 PM ...
AT 345 PM CDT THUNDERSTORMS WERE RACING THROUGH PARTS OF WEST CENTRAL
MINNESOTA..ABOUT 120 TO 150 MILES NORTHWEST OF THE TWIN CITIES..OR JUST
WEST AND NORTHWEST OF ALEXANDRIA. A REPORT OF 3/4 INCH HAIL AT
ELBOW LAKE MINNESOTA..ABOUT 30 MILES NORTHWEST OF ALEXANDRIA..HAS
CAUSED A SEVERE THUNDERSTORM WARNING TO BE ISSUED FOR EASTERN GRANT..
POPE AND DOUGLAS COUNTIES OF MINNESOTA. THIS INCLUDES THE CITIES OF
ALEXANDRIA AND GLENWOOD.
OTHER SHOWERS AND T?HUNDERSTORMS WERE ALSO MOVING THROUGH OTTERTAIL
COUNTY..AND WILL PROBABLY PASS NORTH OF ALEXANDRIA. THESE STORMS WERE
MOVING SOUTHEAST AT 30 TO 40 MILES AN HOUR.
R.J. KESSLERThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 3:50 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 55 min |
| Jun 17, 4:45 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns | 60 min |
| Jun 17, 5:18 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 42 min |
| Jun 17, 5:45 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns | 60 min |
| Jun 17, 5:45 PM CDT | Severe Thunderstorm Warning | MPX | Meeker | 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.