Alert archive / Minnesota / Tornado Warnings in 1995

Tornado Warning 20, NWS Twin Cities, MN

July 21, 1995Isanti County, Mille Lacs County, Sherburne County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 21, 1995, 9:20 PM CDT for Isanti County, Mille Lacs County, Sherburne County, Minnesota. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 21, 1995, 9:20 PM CDT (02:20 UTC)
Expired
Jul 21, 1995, 10:00 PM CDT
In force
40 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Isanti County, MN, Mille Lacs County, MN, Sherburne County, MN

The radar

The Minneapolis radar (KMPX), 89 km from the middle of the area, began a volume at 02:23 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, 2.3 hours before the alert went out and 89 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 KMSP 220222
TORMSP
MNC141-059-095-220300-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
920 PM CDT FRI JUL 21 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MINNESOTA
 
   ...NORTHEASTERN SHERBURNE COUNTY
 
IN EAST CENTRAL MINNESOTA
 
   ...WESTERN ISANTI COUNTY...SOUTHERN MILLE LACS COUNTY
 
AT 920 PM...DOPPLER RADAR INDICATED A POSSIBLE TORNADO 5 MILES SOUTH
OF PRINCETON OR 40 MILES NORTH OF MINNEAPOLIS. THIS STORM WAS MOVING
TO THE EAST AT 10 MPH. CITIES IN THE PATH OF THIS STORM INCLUDE
CAMBRIGE...SPENCER BROOK...OXLIP AND WEST POINT.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR STAIRWAY TO AVOID COLLAPSING
WALLS.  IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN A CENTRAL
ROOM SUCH AS A CLOSET OR BATHROOM ON THE LOWEST FLOOR.
USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY.
 
HOWIESON

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, 9:29 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
Jul 22, 12:58 AM CDTSevere Thunderstorm WarningMPXMower, Olmsted32 min

Nearby

Tornado Warnings in Minnesota, 1995Every tornado warning in 1995Tornadoes 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.