Alert archive / Minnesota / Tornado Warnings in 1987

Tornado Warning 2, NWS Duluth, MN

August 2, 1987Crow Wing County, Minnesota

NWS Duluth, MN issued this tornado warning at Aug 2, 1987, 11:48 PM CDT for Crow Wing County, Minnesota. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1987, 11:48 PM CDT (04:48 UTC)
Expired
Aug 3, 1987, 12:15 AM CDT
In force
27 min
Issued by
NWS Duluth, MN
Area
Whole counties

County Crow Wing 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 00:00Z, 4.8 hours before the alert went out and 185 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 00:00Z on 1987-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2050 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1987-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
2050 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1462 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDLH 030448
TORDLH
MNC035-030515-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE DULUTH MN
1148 PM CDT SUN AUG 2 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1215 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

NORTH CENTRAL MINNESOTA...SOUTHERN CROW WING


AT...1130 PM CDT SEVERAL FUNNEL CLOUDS REPORTED BY THE PUBLIC 8
MILES WEST AND 8 MILES SOUTH OF BRAINERD MINNESOTA WERE REPORTED
..ALSO REPORTED BY SHERRIFF PATROLS. MOVEMENT OF THESE FUNNELS
WAS TO THE EAST AT 35 MILES AN HOUR. TOUCHDOWNS MAY HAPPEN AT
ANYTIME OVER SOUTHERN CROW WING COUNTY MINNESOTA TILL 1215 AM CDT.
LOCATIONS IN THE PATH OF THESE FLUNNEL CLOUDS INCLUDE BRAINERD AND
GARRISON MINNESTA AS WELL AS UPPER AND LOWER LONE LAKE.

THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE IN
THE PATH OF A TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE.
OTHERWISE..GO TO A SMALL qINTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.
AVOID WINDOWS.  ABANDON MOBILE HOMES FOR A REINFORCED BUILDING OR
GET INTO A DITCH OR CULVERT.

OLSON

Nearby

Tornado Warnings in Minnesota, 1987Every tornado warning in 1987Tornadoes in 1987

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.