Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 26, NWS Twin Cities, MN

June 17, 1993Houston County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 1993, 3:39 PM CDT for Houston County, Minnesota. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Jun 17, 1993, 3:39 PM CDT (20:39 UTC)
Expired
Jun 17, 1993, 4:15 PM CDT
In force
36 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Houston County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 8.7 hours before the alert went out and 213 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 1993-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 1993-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
13 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
540 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
-16 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 
WUUS1 KRST 172040 RRA
SVRRST
MNC055-172115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
339 PM CDT THU JUN 17 1993
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MINNESOTA
 
   ...NORTHERN HOUSTON COUNTY
 
AT 335 PM RADAR INDICTED A SEVERE THUNDERSTORM 6 MILES EAST OF
HOUSTON...OR 17 MILES WEST OF LA CROSSE WISCONSIN MOVING EAST AT 25 MPH.
 
SOME CITIES IN THE PATH OF THIS STORM ARE HOUSTON...MOUND PRAIRIE...AND
LA CRESCENT.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL...
DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR YOUR PROTECTION
MOVE TO AN INTERIOR ROOM.  PEOPLE IN MOBILE HOMES SHOULD GO
TO A STORM SHELTER.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 7:14 PM CDTSevere Thunderstorm WarningMPXRedwood61 min
Jun 16, 7:18 PM CDTSevere Thunderstorm WarningMPXYellow Medicine42 min
Jun 16, 7:50 PM CDTSevere Thunderstorm WarningMPXChippewa40 min
Jun 16, 8:04 PM CDTSevere Thunderstorm WarningMPXRenville41 min
Jun 16, 8:14 PM CDTSevere Thunderstorm WarningMPXMeeker46 min
Jun 16, 8:14 PM CDTSevere Thunderstorm WarningMPXKandiyohi21 min
Jun 16, 8:51 PM CDTSevere Thunderstorm WarningMPXBenton, Stearns39 min
Jun 16, 8:51 PM CDTSevere Thunderstorm WarningMPXSherburne54 min
Jun 16, 9:06 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville39 min
Jun 16, 9:47 PM CDTFlash Flood WarningMPXMcLeod43 min
Jun 16, 9:47 PM CDTFlash Flood WarningMPXSibley118 min
Jun 16, 11:03 PM CDTFlash Flood WarningMPXRenville117 min
Jun 16, 11:46 PM CDTFlash Flood WarningMPXSibley2 hr
Jun 16, 11:46 PM CDTFlash Flood WarningMPXRedwood2 hr
Jun 16, 11:46 PM CDTFlash Flood WarningMPXMcLeod104 min
Jun 17, 1:37 AM CDTFlash Flood WarningMPXRedwood, Renville113 min
Jun 17, 1:37 AM CDTFlash Flood WarningMPXSibley113 min
Jun 17, 3:35 AM CDTFlash Flood WarningMPXGoodhue, Wabasha2 hr
Jun 17, 3:35 AM CDTFlash Flood WarningMPXRice2 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXBlue Earth, Brown, Le Sueur, Nicollet3 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXDodge, Rice, Steele, Waseca3 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXGoodhue, Olmsted, Wabasha3 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXWinona3 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 1993Every severe thunderstorm warning in 1993

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.