Alert archive / Minnesota / Tornado Warnings in 1992

Tornado Warning 6, NWS Grand Forks, ND

June 27, 1992Koochiching County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 27, 1992, 11:23 PM CDT for Koochiching County, Minnesota. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 27, 1992, 11:23 PM CDT (04:23 UTC)
Expired
Jun 28, 1992, 12:00 AM CDT
In force
37 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Koochiching County, MN

What was reported inside it

TimeReportWhereRemark
Jun 27, 11:38 PM CDTHail 2.5Koochiching, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 4.4 hours before the alert went out and 51 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, International Fa, MN at 00:00Z on 1992-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 1992-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 343 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
1 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
1307 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
343 m²/s²
0-3 km storm-relative helicity
696 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

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

In the hours before

Special weather statement, Jun 27, 10:41 PM CDT, 42 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-280430-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
1040 PM CDT SAT JUN 27 1992

...SEVERE THUNDERSTORM WATCH FOR MUCH OF EASTERN NORTH DAKOTA AND PART
OF NORTHWEST MINNESOTA UNTIL 200 AM CDT...

AT 1030 PM CDT...SHOWERS AND A FEW THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...WERE OVER CENTRAL NORTH DAKOTA...AND WERE MOVING INTO EAST
CENTRAL NORTH DAKOTA.

THE STRONGEST THUNDERSTORM WAS LOCATED 25 MILES NORTH OF JAMESTOWN...
AND WILL MOVE SOUTHEAST AT 35 MPH INTO NORTHERN BARNES COUNTY...AND BE
APPROACHING THE BALD HILL DAM NORTH OF VALLEY CITY BY 1100 PM.  BRIEF
PERIODS OF VERY HEAVY RAIN...AND POSSIBLY SOME SMALL HAIL MAY OCCUR
WITH THIS THUNDERSTORM.

ALTHOUGH NO SEVERE WEATHER HAD OCCURRED IN THE WATCH AREA...ATMOSPHERIC
CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS
AT ANY TIME.  REMAIN ALERT TO RAPIDLY CHANGING W%EATHER CONDITIONS
TONIGHT...AND BE PREPARED TO MOVE TO SAFETY IF THUNDERSTORMS APPROACH
YOUR LOCATION.
ARMSTRONG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 8:07 PM CDTSevere Thunderstorm WarningFGFLake of the Woods38 min
Jun 27, 8:50 PM CDTSevere Thunderstorm WarningFGFLake of the Woods30 min
Jun 27, 9:54 PM CDTSevere Thunderstorm WarningFGFKoochiching31 min
Jun 27, 10:34 PM CDTSevere Thunderstorm WarningFGFKoochiching41 min

Nearby

Tornado Warnings in Minnesota, 1992Every tornado warning in 1992Tornadoes in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.