Alert archive / Minnesota / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 8, NWS Sioux Falls, SD
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.
- 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
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.
KAPELAWhat 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.