Alert archive / Minnesota / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 8, NWS Sioux Falls, SD

June 7, 1987Murray County, Nobles County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 7, 1987, 4:35 PM CDT for Murray County, Nobles County, Minnesota. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1987, 4:35 PM CDT (21:35 UTC)
Expired
Jun 7, 1987, 5:30 PM CDT
In force
55 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Murray County, MN, Nobles 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, 9.6 hours before the alert went out and 205 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 1987-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 556 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 12:00Z on 1987-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.193958Sfc1 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
556 J/kg
Mixed-layer CIN
-643 J/kg
Mixed-layer LCL
1942 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
132 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 KFSD 072140 COR
SVRFSD
MNC101-105-072230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
435 PM CDT SUN JUN 7 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  530 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...

IN SOUTHWEST MINNESOTA
          ...SOUTHERN MURRAY...NORTHERN NOBLES

AT 435 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 40 MILES
NORTHEAST OF SIOUX FALLS NEAR CHANDLER...MOVING SOUTHEAST AT 15
MPH. SOME OTHER CITIES INCLUDED IN THIS WARNING ARE KEMP AND LEOTA.

IF YOU ARE IN THE PATH OF THIS STORM...YOU SHOULD GET TO A
REINFORCED SHELTER. A SEVERE THUNDERSTORM PRODUCES WINDS IN EdXCESS
OF 60 MPH...HAIL 3/4 INCH OR LARGER...DEADLY LIGHTNING...AND HEAVY
RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA.
KAPELA

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 7, 4:28 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
426 PM CDT SUN JUN 7 1987

...A SEVERE THUNDERTSTORM WATCH FOR SOUTHEAST AND EAST SOUTH DAKOTA
AND PARTS OF SOUTHWEST MINNESOTA UNTIL 10 PM CDT...

AT 420 PM CDT THUNDERSTORMS CONTINUED TO DEVELOPE ACROSS SOUTHEAST
SOUTH DAKOTA AND A SMALL PORTION OF SOUTHWEST MINNESOTA.

THE THUNDERSTORMS IN SOUTH DAKOTA WERE LOCATED 60 MILES WEST OF
SIOUX FALLS...NEAR PARKSTON SOUTH DAKOTA AND IN MINNESOTA A THUND/
ERSTORM WAS LOCATED SOUTHEAST OF PIPESTONE...35 MILES NORTHEAST OF
SIOUX FALLS.

THESE THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR AND MAY
BECOME CAPABLE OF PRODUCING HEAVY RAIN...GUSTY WINDS...HAIL AND
DANGERIOUS LIGHTNING.

STAY TUNED TO THIS STATION FOR ADDITIONAL STATEMENTS AND WARNINGS AND
POSSIBLE WARNINGS.
BUSS
Special weather statement, Jun 7, 4:33 PM CDT, 2 minutes before
SPECIAL WEATHER STATEMENT CORRECTION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
426 PM CDT SUN JUN 7 1987

...A SEVERE THUNDERTSTORM WATCH FOR SOUTHEAST AND EAST SOUTH DAKOTA
AND PARTS OF SOUTHWEST MINNESOTA UNTIL 10 PM CDT...

AT 420 PM CDT THUNDERSTORMS CONTINUED TO DEVELOPE ACROSS SOUTHEAST
SOUTH DAKOTA AND A SMALL PORTION OF SOUTHWEST MINNESOTA.

THE THUNDERSTORMS IN SOUTH DAKOTA WERE LOCATED 60 MILES WEST OF
SIOUX FALLS...NEAR PARKSTON SOUTH DAKOTA AND IN MINNESOTA A THUND/
ERSTORM WAS LOCATED SOUTHEAST OF PIPESTONE...35 MILES NORTHEAST OF
SIOUX FALLS.

THESE THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR AND MAY
BECOME CAPABLE OF PRODUCING HEAVY RAIN...GUSTY WINDS...HAIL AND
DANGEZROUS LIGHTNING.

STAY TUNED TO THIS STATION FOR ADDITIONAL STATEMENTS AND POSSIBLE
WARNINGS.
BUSS

Nearby

Severe Thunderstorm Warnings in Minnesota, 1987Every severe thunderstorm warning 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.