Alert archive / North Dakota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 36, NWS Grand Forks, ND

July 22, 1994Walsh County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 22, 1994, 9:50 PM CDT for Walsh County, North Dakota. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jul 22, 1994, 9:50 PM CDT (02:50 UTC)
Expired
Jul 22, 1994, 10:15 PM CDT
In force
25 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Walsh County, ND

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 2.8 hours before the alert went out and 327 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 1994-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1994-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1529 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
50 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 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 22, 8:45 PM CDT, 1 hour 5 minutes before
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Local storm report, Jul 22, 8:46 PM CDT, 1 hour 4 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
845 PM CDT FRI JUL 22 1994

TIME      EVENT
835  PM CDT     JUST WEST OF HALLOCK MINNESOTA IN KITTSON COUNTY PEA TO
                MARBLE SIZE HAIL COVERING THE GROUND.  VERY HEAVY RAIN.
                KITTSON COUNTY S. O.

840 PM CDT      HALLOCK MINNESOTA VERY HEAVY RAIN AND PEA TO MARBLE SIZE
                HAIL IN THE CITY.  KITTSON S. O.

BENNETT
Local storm report, Jul 22, 9:05 PM CDT, 45 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
905 PM CDT FRI JUL 22 1994

TIME            EVENT
835  PM CDT     AT JOLIETTE MINNESOTA D. O. T. SCALES STATION. 60 MPH
                WIND AND PEA TO MARBLE SIZE HAIL UP TO ONE FOOT DEEP
                AROUND THE BUILDING.  KITTSON COUNTY S. O.  ALSO A REPORT
                THAT IN THE JOLIETTE AREA CROPS WERE TOTALLY WIPED OUT BY
                PEA TO MARBLE SIZE HAIL COVERING THE GROUND.  JOLIETTE
                IS LOCATED ON THE MINNESOTA SIDE OF I-29 IN WESTERN
                KITTSON COUNTY.

BENNETT
Local storm report, Jul 22, 9:10 PM CDT, 40 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
905 PM CDT FRI JUL 22 1994

TIME            EVENT
835  PM CDT     AT JOLIETTE MINNESOTA D. O. T. SCALES STATION. 60 MPH
                WIND AND PEA TO MARBLE SIZE HAIL UP TO ONE FOOT DEEP
                AROUND THE BUILDING.  KITTSON COUNTY S. O.  ALSO A REPORT
                THAT IN THE JOLIETTE AREA CROPS WERE TOTALLY WIPED OUT BY
                PEA TO MARBLE SIZE HAIL COVERING THE GROUND.  JOLIETTE
                IS LOCATED ON THE MINNESOTA SIDE OF I-29 IN WESTERN
                KITTSON COUNTY.

BENNETT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 8:27 PM CDTSevere Thunderstorm WarningFGFKittson63 min
Jul 22, 10:16 PM CDTSevere Thunderstorm WarningFGFMarshall59 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1994Every severe thunderstorm warning in 1994

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.