Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 171, NWS Twin Cities, MN

September 5, 1995Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 5, 1995, 11:18 PM CDT for Yellow Medicine County, Minnesota. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Sep 5, 1995, 11:18 PM CDT (04:18 UTC)
Expired
Sep 6, 1995, 12:00 AM CDT
In force
42 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Yellow Medicine County, MN

The radar

The Sioux Falls radar (KFSD), 143 km from the middle of the area, began a volume at 04:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.3 hours before the alert went out and 180 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 1995-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 294 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 1995-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
294 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1265 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 060420 RRA
SVRMSP
MNC173-060500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1118 PM CDT TUE SEP 5 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MINNESOTA
 
   ...YELLOW MEDICINE COUNTY
 
AT 1117 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR
CANBY...OR 25 MILES SOUTHWEST OF OF MONTEVIDEO. THE STORM WAS MOVING
EAST AT 45 MPH. CITIES IN THE PATH INCLUDE PORTER...ST LEO...AND
HANLEY FALLS.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL...
DEADLY LIGHTNING...AN:D VERY HEAVY RAIN.  FOR YOUR PROTECTION
MOVE TO AN INTERIOR ROOM.  PEOPLE IN MOBILE HOMES SHOULD GO
TO A STORM SHELTER.
 
CARSTENS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 12:24 AM CDTSevere Thunderstorm WarningMPXRedwood51 min
Sep 6, 1:41 AM CDTSevere Thunderstorm WarningMPXBrown64 min
Sep 6, 3:12 AM CDTSevere Thunderstorm WarningMPXBlue Earth48 min
Sep 6, 3:35 AM CDTSevere Thunderstorm WarningMPXBlue Earth25 min
Sep 6, 4:36 PM CDTTornado WarningMPXRice, Steele24 min
Sep 6, 4:46 PM CDTTornado WarningMPXSteele44 min
Sep 6, 5:13 PM CDTSevere Thunderstorm WarningMPXDodge32 min
Sep 6, 5:22 PM CDTTornado WarningMPXDodge53 min
Sep 6, 6:54 PM CDTSevere Thunderstorm WarningMPXMower36 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1995Every severe thunderstorm warning in 1995

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; radar from the NEXRAD Level II archive.