Alert archive / Minnesota / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 49, NWS Twin Cities, MN

June 17, 1986Kandiyohi County, Pope County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 1986, 5:45 PM CDT for Kandiyohi County, Pope County, Stearns County, Minnesota. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 17, 1986, 5:45 PM CDT (22:45 UTC)
Expired
Jun 17, 1986, 6:45 PM CDT
In force
60 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Kandiyohi County, MN, Pope County, MN, Stearns County, MN

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 12:00Z, 10.8 hours before the alert went out and 129 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1986-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1986-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTC 172300
SVRSTC
MNC121-067-145-093-172245-

BULLETIN-IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
545 PM CDT TUE JUN 17 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 645 PM CDT  FOR PERSONS IN THE FOLLOWING COUNTIES OF

CENTRAL MINNESOTA..POPE..SOUTHERN STEARNS..MEEKER
KANDIYOHI..INCLUDING THE CITIES OF
GLENWOOD..BROOTEN..PAYNESVILLE..LITCHFIELD..AND NEW LONDON


AT 545 PM RADAR INDICATED AN AREA OF SEVERE THUNDERSTORNS IN CENTRAL
POPE COUNTY..CENTRAL KANDIYOHI AND SOUTHERN STEARNS COUNTY MOVING
SOUTHEAST AT 30 MILES AND HOUR.

LARGE HAIL OF GOLFBALL SIZE FELL IN CENTRAL POPE COUNTY AT 535 PM.

SEVERE THUNDERSTORMS CAN PRODUCE VERY HEAVY RAIN..HAIL AND DAMAGING
WINDS.

  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.

NISTLER

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 3:50 PM CDTSevere Thunderstorm WarningMPXPope55 min
Jun 17, 4:45 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Pope, Stearns60 min
Jun 17, 5:18 PM CDTSevere Thunderstorm WarningMPXMcLeod, Renville, Sibley42 min
Jun 17, 5:45 PM CDTSevere Thunderstorm WarningMPXMeeker60 min
Jun 17, 6:25 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley50 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; the sounding from the Mesonet's radiosonde archive.