Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 90, NWS Twin Cities, MN

July 21, 1995Martin County, Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 21, 1995, 10:03 PM CDT for Martin County, Watonwan County, Minnesota. It was in force for 57 min.

The area

The counties it named.

The facts

Issued: Jul 21, 1995, 10:03 PM CDT (03:03 UTC)
Expired: Jul 21, 1995, 11:00 PM CDT
In force: 57 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Martin County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 140 km from the middle of the area, began a volume at 03:03 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, 3.1 hours before the alert went out and 138 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 KMSP 220305 RRA
SVRMSP
MNC091-165-220400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1003 PM CDT FRI JUL 21 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL MINNESOTA
 
   ...NORTHERN MARTIN COUNTY...SOUTHERN WATONWAN COUNTY
 
AT 1004 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED
NEAR BERGEN IN JACKSON COUNTY. THIS STORM IS MOVING TO THE EAST AT
20 MPH AND WILL EFFECT THE CITIES OF TRIMONT...ODIN...ORMSBY...
SOUTHBRANCH AND TRUMAN.
 
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.
 
HOWIESON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 7:03 PM CDT	Tornado Warning	MPX	Sherburne	27 min
Jul 21, 7:25 PM CDT	Tornado Warning	MPX	Hennepin	35 min
Jul 21, 7:28 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Sibley	47 min
Jul 21, 7:32 PM CDT	Tornado Warning	MPX	McLeod, Sibley	43 min
Jul 21, 7:34 PM CDT	Tornado Warning	MPX	Isanti	41 min
Jul 21, 7:44 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	46 min
Jul 21, 7:49 PM CDT	Tornado Warning	MPX	Anoka, Hennepin, Ramsey	56 min
Jul 21, 7:53 PM CDT	Tornado Warning	MPX	Scott	52 min
Jul 21, 8:00 PM CDT	Tornado Warning	MPX	Washington	45 min
Jul 21, 8:04 PM CDT	Tornado Warning	MPX	Chisago	41 min
Jul 21, 8:10 PM CDT	Tornado Warning	MPX	Carver, Sibley	50 min
Jul 21, 8:24 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	51 min
Jul 21, 8:29 PM CDT	Severe Thunderstorm Warning	MPX	Isanti	46 min
Jul 21, 8:36 PM CDT	Severe Thunderstorm Warning	MPX	Carver	69 min
Jul 21, 8:49 PM CDT	Tornado Warning	MPX	Chisago, Washington	26 min
Jul 21, 8:53 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	52 min
Jul 21, 9:15 PM CDT	Tornado Warning	MPX	Chisago, Washington	30 min
Jul 21, 9:20 PM CDT	Tornado Warning	MPX	Isanti, Mille Lacs, Sherburne	40 min
Jul 21, 9:29 PM CDT	Tornado Warning	MPX	Scott	61 min
Jul 21, 9:53 PM CDT	Tornado Warning	MPX	Dakota, Rice	52 min
Jul 21, 9:57 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	48 min
Jul 21, 10:05 PM CDT	Tornado Warning	MPX	Isanti	40 min
Jul 21, 10:15 PM CDT	Tornado Warning	MPX	Dakota, Hennepin, Ramsey	45 min
Jul 21, 10:15 PM CDT	Tornado Warning	MPX	Anoka	45 min
Jul 21, 10:25 PM CDT	Tornado Warning	MPX	Chisago	38 min
Jul 21, 10:27 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur	63 min
Jul 21, 10:30 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet	60 min
Jul 22, 12:58 AM CDT	Severe Thunderstorm Warning	MPX	Mower, Olmsted	32 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1995 Every 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.