Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 78, NWS Twin Cities, MN

July 21, 1995Morrison County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 21, 1995, 5:31 PM CDT for Morrison County, Minnesota. It was in force for 14 min.

The area

The counties it named.

The facts

Issued
Jul 21, 1995, 5:31 PM CDT (22:31 UTC)
Expired
Jul 21, 1995, 5:45 PM CDT
In force
14 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Morrison County, MN

The radar

The Minneapolis radar (KMPX), 141 km from the middle of the area, began a volume at 22:30 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 12:00Z, 10.5 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 12:00Z on 1995-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1156 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
88 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 KMSP 212233 RRA
SVRMSP
MNC097-212245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
531 PM CDT FRI JUL 21 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...NORTHWESTERN MORRISON COUNTY
 
AT 530 PM CDT...DOPPLER RADAR CONTINUES TO SHOW A SEVERE THUNDERSTORM
IN NORTHWEST MORRISON COUNTY MOVING TO THE NORTHEAST AT 30 MPH. A
SPOTTER HAS REPORTED DIME SIZED HAIL IN THIS PART OF THE COUNTY AT
523 PM. THE STORM IS CURRENTLY LOCTATED NEAR CAMP RIPLEY. PERSONS
IN THIS AREA CAN EXPECT LARGE HAIL...HEAVY RAIN AND DAMAGING WINDS.
 
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.
 
HOWIESON4
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 4:57 PM CDTSevere Thunderstorm WarningMPXMorrison33 min
Jul 21, 5:45 PM CDTSevere Thunderstorm WarningMPXBenton, Morrison60 min
Jul 21, 5:49 PM CDTSevere Thunderstorm WarningMPXMeeker, Wright56 min
Jul 21, 5:59 PM CDTSevere Thunderstorm WarningMPXStearns61 min
Jul 21, 6:32 PM CDTTornado WarningMPXWright28 min
Jul 21, 6:39 PM CDTSevere Thunderstorm WarningMPXMcLeod, Renville, Sibley51 min
Jul 21, 6:48 PM CDTTornado WarningMPXMcLeod27 min
Jul 21, 6:55 PM CDTTornado WarningMPXHennepin, Wright35 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.