Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 11, NWS Grand Forks, ND

July 12, 1995Becker County, Otter Tail County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 12, 1995, 3:51 AM CDT for Becker County, Otter Tail County, Minnesota. It was in force for 39 min.

The area

The counties it named.

The facts

Issued: Jul 12, 1995, 3:51 AM CDT (08:51 UTC)
Expired: Jul 12, 1995, 4:30 AM CDT
In force: 39 min
Issued by: NWS Grand Forks, ND
Area: Whole counties

Counties Becker County, MN, Otter Tail County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.9 hours before the alert went out and 260 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: 2299 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1369 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFAR 120851 RRA
SVRFAR
MNC005-111-155-120930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE FARGO ND
351 AM CDT WED JUL 12 1995

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHWEST PART OF MINNESOTA
      BECKER...THE CITY OF DETROIT LAKES...

   IN THE WEST CENTRAL PART OF MINNESOTA
      OTTER TAIL...TRAVERSE...THE CITY OF FERGUS FALLS...

AT 350 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM
15 MILES NORTH OF FARGO...THROUGH THE WAHPETON/BRECKENRIDGE AREA...
TO THE SOUTHEAST CORNER OF NORTH DAKOTA...MOVING EAST AT NEARLY 70
MILES AN HOUR.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE POSSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

ARMSTRONG

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jul 12, 3:43 AM CDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  FARGO ND
345 AM CDT WED JUL 12 1995

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

230 AM    MARION                    ND   TORNADO
07/12/95   LA MOURE                       REPORTED BY PUBLIC

245 AM    LISBON                    ND   70 MPH WINDS
07/12/95  RANSOM                          REPORTED BY RADIO STATION

255 AM    MCLEOD                    ND   TREE DAMAGE ROOF BLOWN OFF
07/12/95  RANSOM                         REPORTED BY COOP OBSVR

Local storm report, Jul 12, 3:45 AM CDT, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  FARGO ND
345 AM CDT WED JUL 12 1995

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

230 AM    MARION                    ND   TORNADO
07/12/95   LA MOURE                       REPORTED BY PUBLIC

245 AM    LISBON                    ND   70 MPH WINDS
07/12/95  RANSOM                          REPORTED BY RADIO STATION

255 AM    MCLEOD                    ND   TREE DAMAGE ROOF BLOWN OFF
07/12/95  RANSOM                         REPORTED BY COOP OBSVR

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 12, 3:32 AM CDT	Severe Thunderstorm Warning	FGF	Clay, Wilkin	58 min
Jul 12, 3:51 AM CDT	Severe Thunderstorm Warning	FGF	Traverse	39 min
Jul 12, 4:29 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Mahnomen	61 min
Jul 12, 4:29 AM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	61 min
Jul 12, 5:10 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater	65 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.