Alert archive / North Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 124, NWS Bismarck, ND

August 2, 1996Mercer County, Morton County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 2, 1996, 7:23 PM MDT for Mercer County, Morton County, North Dakota. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 2, 1996, 7:23 PM MDT (01:23 UTC)
Expired
Aug 2, 1996, 8:30 PM MDT
In force
67 min
Issued by
NWS Bismarck, ND
Area
Whole counties

Counties Mercer County, ND, Morton County, ND

The radar

The Bismarck radar (KBIS), 66 km from the middle of the area, began a volume at 01:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 1.4 hours before the alert went out and 343 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, Rapid City, SD at 00:00Z on 1996-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 918 joules per kilogram.LCLEL10008507005003002001001 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, Rapid City, SD at 00:00Z on 1996-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
918 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
3250 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

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

Special weather statement, Aug 2, 4:26 PM MDT, 2 hours 57 minutes before
NDZ003>005-011>013-019>023-033>037-040>048-050-051-030100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
525 PM CDT FRI AUG 2 1996

...THUNDERSTORMS DEVELOPING OVER WESTERN AND CENTRAL NORTH DAKOTA...

AT 515 PM CDT...STRONG THUNDERSTORMS HAVE DEVELOPED IN SOUTH CENTRAL
NORTH DAKOTA...45 MILES SOUTH OF BISMARCK IN EASTERN SIOUX COUNTY. THESE
STORMS WILL MOVE EAST INTO EMMONS COUNTY NEAR THE TOWNS OF LINTON AND
STRASBURG BY 615 PM.

AN AREA OF STRONG THUNDERSTORMS IN EASTERN MONTANA AND WILL MOVE INTO
WESTERN NORTH DAKOTA BY 7 PM CDT.  WEATHER CONDITIONS ARE FAVORABLE FOR
SEVERE WEATHER THIS EVENING. IF YOU ARE PLANNING OUTDOOR ACTIVITIES BE
PREPARED AND ON THE LOOKOUT VFOR THREATENING WEATHER.

ABELING

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 6:26 PM MDTSevere Thunderstorm WarningBISSlope, Stark64 min
Aug 2, 6:58 PM MDTSevere Thunderstorm WarningBISDunn, Mountrail32 min
Aug 2, 6:58 PM MDTSevere Thunderstorm WarningBISHettinger62 min
Aug 2, 7:10 PM MDTSevere Thunderstorm WarningBISBurke65 min
Aug 2, 7:31 PM MDTSevere Thunderstorm WarningBISBurleigh, Emmons, Morton59 min
Aug 2, 7:45 PM MDTSevere Thunderstorm WarningBISGrant45 min
Aug 2, 8:34 PM MDTSevere Thunderstorm WarningBISBurleigh, Emmons, Morton56 min
Aug 2, 9:41 PM MDTSevere Thunderstorm WarningBISEmmons, Logan, McIntosh64 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.