Alert archive / North Dakota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 21, NWS Grand Forks, ND

July 9, 1992Steele County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 9, 1992, 4:00 PM CDT for Steele County, North Dakota. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1992, 4:00 PM CDT (21:00 UTC)
Expired
Jul 9, 1992, 5:00 PM CDT
In force
60 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Steele County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.0 hours before the alert went out and 238 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, Bismarck Municip, ND at 12:00Z on 1992-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Bismarck Municip, ND at 12:00Z on 1992-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897Sfc1 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
13 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
916 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFAR 092101
SVRFAR
NDC091-092200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FARGO ND
400 PM CDT THU JUL 9 1992
 
THE NATIONAL WEATHER SERVICE IN FARGO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL NORTH DAKOTA
 
   ...STEELE COUNTY
 
AT 355 PM CDT A SEVERE THUNDERSTORM WAS LOCATED 45 MILES SOUTHWEST OF
GRAND FORKS IN THE FINLEY AREA OF EASTERN NORTH DAKOTA. THIS STORM WAS
MOVING EAST SOUTHEAST AT 30 MILES AN HOUR. THIS STORM HAS PRODUCED
GOLFBALL SIZE HAIL IN THE FINLEY/SHARON AREA BETWEEN 330 AND 345 PM CDT.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOUJLD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
EWENS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 2:07 PM CDTSevere Thunderstorm WarningFGFGriggs, Nelson53 min
Jul 9, 2:19 PM CDTSevere Thunderstorm WarningFGFNelson41 min
Jul 9, 2:58 PM CDTSevere Thunderstorm WarningFGFGriggs, Steele62 min
Jul 9, 4:20 PM CDTSevere Thunderstorm WarningFGFCass, Traill55 min
Jul 9, 4:33 PM CDTTornado WarningFGFCass27 min
Jul 9, 4:56 PM CDTTornado WarningFGFCass34 min
Jul 9, 5:07 PM CDTSevere Thunderstorm WarningFGFTraill68 min
Jul 9, 5:43 PM CDTSevere Thunderstorm WarningFGFCass47 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 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.