Alert archive / Minnesota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 53, NWS Grand Forks, ND

August 22, 1992Roseau County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 22, 1992, 8:41 PM CDT for Roseau County, Minnesota. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Aug 22, 1992, 8:41 PM CDT (01:41 UTC)
Expired
Aug 22, 1992, 9:45 PM CDT
In force
64 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Roseau County, MN

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 1.7 hours before the alert went out and 186 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 1992-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 63 joules per kilogram.LCLLFCEL10008507005003002001001 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, International Fa, MN at 00:00Z on 1992-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.193958Sfc1 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
63 J/kg
Mixed-layer CIN
-365 J/kg
Mixed-layer LCL
1296 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
446 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KINL 230141
SVRINL
MNC135-230245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN
841 PM CDT SAT AUG 22 1992
 
THE NATIONAL WEATHER SERVICE IN INTERNATIONAL FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  945 PM CDT
FOR PERSONS IN THE FOLLOWING LOCATION...
 
IN NORTHWEST MINNESOTA
 
   ...WESTERN ROSEAU COUNTY
 
AT 840 PM CDT FARGO RADAR INDICATED A SEVERE THUNDERSTORM LOCATED OVER
THE TOWN OF LAKE BRONSON IN KITTSON COUNTY. HEAVY
RAIN..HAIL..LIGHTENING AND GUSTY WINDS HAVE BEEN REPORTED WITH THIS STOR
 
THIS IS A DANGEROUS STORM AND WILL EFFECT THE TOWNS OF HAUG..BADGER..FOX
AND ROSEAU BETWEEN 900 AND 930 PM THIS SATURDAY EVENING.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
NNNN

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

Special weather statement, Aug 22, 6:41 PM CDT, 2 hours before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-230045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
640 PM CDT SAT AUG 22 1992

...TORNADO WATCH IS IN EFFECT FOR EASTERN NORTH DAKOTA AND THE
EXTREME NORTHWEST PART OF MINNESOTA UNTIL 11 PM CDT...

AT 625 PM CDT...A STRONG THUNDERSTORM WAS OVER THE NORTHWEST CORNER OF
MINNESOTA...35 MILES NORTH OF THIEF RIVER FALLS...OR JUST NORTHEAST OF
STRANDQUIST.  THIS THUNDERSTORM WAS MOVING NORTHEAST AT 45 MILES AN
HOUR...AND WILL LIKELY PRODUCE BRIEF PERIODS OF VERY HEAVY RAIN AND
POSSIBLY SOME SMALL HAIL.  THE THUNDERSTORM WILL BE NEAR THE TOWN OF
WARROAD BY 730 PM.

OTHER SHOWERS AND A FEW THUNDERSHOWERS WERE WIDELY SCATTERED OVER WEST
CENTRAL AND NORTHWEST MINNESOTA...AND OVER NORTHEAST AND SOUTHEAST
NORTH DAKOTA.

BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS THIS EVENING...AS
ATMOSPHERIC CONDITIONS REMAIN EXCELLENT FOR THE DEVELOPMENT OF SEVERrE
WEATHER.  STAY TUNED TO YOUR LOCAL RADIO OR TELEVISION STATION...OR
TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
ARMSTRONG
Special weather statement, Aug 22, 7:12 PM CDT, 1 hour 29 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-230045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
707 PM CDT SAT AUG 22 1992

...TORNADO WATCH IS IN EFFECT FOR EASTERN NORTH DAKOTA AND THE
EXTREME NORTHWEST PART OF MINNESOTA UNTIL 11 PM CDT...

AT 705 PM CDT...A STRONG THUNDERSTORM WITH VERY HEAVY RAIN...AND
POSSIBLY SOME SMALL HAIL WAS LOCATED OVER NORTHEAST NORTH DAKOTA.

THIS THUNDERSTORM WAS 45 MILES NORTH OF GRAND FORKS...OR IN THE
ST THOMAS AREA OF PEMBINA COUNTY...MOVING NORTHEAST AT 45 MILES
AN HOUR.  THE STORM WILL CROSS THE RED RIVER OF THE NORTH...AND
APPROACH THE TOWN OF HALLOCK BY 730 PM.

SEVERE WEATHER HAS NOT BEEN REPORTED THIS EVENING...HOWEVER CONDITIONS
REMAIN FAVORABLE FOR THE RAPID DEVELOPMENT OF STRONG DAMAGING
THUNDERSTORMS...SO STAY ALERT FOR THE APPROACH OF THUNDERSTORMS.
ARMSTRONG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 8:28 PM CDTSevere Thunderstorm WarningFGFKittson32 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1992Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.