Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 94, NWS Twin Cities, MN

July 22, 1995Mower County, Olmsted County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 22, 1995, 12:58 AM CDT for Mower County, Olmsted County, Minnesota. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jul 22, 1995, 12:58 AM CDT (05:58 UTC)
Expired
Jul 22, 1995, 1:30 AM CDT
In force
32 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Mower County, MN, Olmsted County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 6.0 hours before the alert went out and 139 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 1995-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1285 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1995-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.193958Sfc1 km3 km6 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
1285 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1034 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
287 m²/s²
Significant tornado parameter
1.2
Supercell composite
9.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRST 220559 RRA
SVRRST
MNC099-109-220630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
1258 AM CDT SAT JUL 22 1995
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MINNESOTA
 
   ...NORTHERN MOWER COUNTY...WESTERN OLMSTED COUNTY
 
RADAR INDICATED A SEVERE THUNDERSTORM NEAR BYRON IN OLMSTED AND WALTHAM
IN MOWER COUNTY MOVING EAST AT 30 MPH. SOME TOWNS IN THE PATH OF THE
STORM ARE ROCHESTER IN OLMSTED COUNTY AND SARGEANT IN MOWER COUNTY. THE
STORM SHOULD BE NEAR ROCHESTER AND SARGEANT BY 105 AM. HAIL 3/4 INCH IN
DIAMETER WAS REPROTED IN CORNING IN NORTHWEST MOWER COUNTY AT 1245 AM.
 
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
Jul 21, 7:03 PM CDTTornado WarningMPXSherburne27 min
Jul 21, 7:25 PM CDTTornado WarningMPXHennepin35 min
Jul 21, 7:28 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley47 min
Jul 21, 7:32 PM CDTTornado WarningMPXMcLeod, Sibley43 min
Jul 21, 7:34 PM CDTTornado WarningMPXIsanti41 min
Jul 21, 7:44 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood46 min
Jul 21, 7:49 PM CDTTornado WarningMPXAnoka, Hennepin, Ramsey56 min
Jul 21, 7:53 PM CDTTornado WarningMPXScott52 min
Jul 21, 8:00 PM CDTTornado WarningMPXWashington45 min
Jul 21, 8:04 PM CDTTornado WarningMPXChisago41 min
Jul 21, 8:10 PM CDTTornado WarningMPXCarver, Sibley50 min
Jul 21, 8:24 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood51 min
Jul 21, 8:29 PM CDTSevere Thunderstorm WarningMPXIsanti46 min
Jul 21, 8:36 PM CDTSevere Thunderstorm WarningMPXCarver69 min
Jul 21, 8:49 PM CDTTornado WarningMPXChisago, Washington26 min
Jul 21, 8:53 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice52 min
Jul 21, 9:15 PM CDTTornado WarningMPXChisago, Washington30 min
Jul 21, 9:20 PM CDTTornado WarningMPXIsanti, Mille Lacs, Sherburne40 min
Jul 21, 9:29 PM CDTTornado WarningMPXScott61 min
Jul 21, 9:53 PM CDTTornado WarningMPXDakota, Rice52 min
Jul 21, 9:57 PM CDTSevere Thunderstorm WarningMPXHennepin48 min
Jul 21, 10:03 PM CDTSevere Thunderstorm WarningMPXMartin, Watonwan57 min
Jul 21, 10:05 PM CDTTornado WarningMPXIsanti40 min
Jul 21, 10:15 PM CDTTornado WarningMPXDakota, Hennepin, Ramsey45 min
Jul 21, 10:15 PM CDTTornado WarningMPXAnoka45 min
Jul 21, 10:25 PM CDTTornado WarningMPXChisago38 min
Jul 21, 10:27 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur63 min
Jul 21, 10:30 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Nicollet60 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.