Alert archive / North Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 101, NWS Bismarck, ND

August 2, 1995Oliver County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 2, 1995, 6:03 PM CDT for Oliver County, North Dakota. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1995, 6:03 PM CDT (23:03 UTC)
Expired
Aug 2, 1995, 6:45 PM CDT
In force
42 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Oliver County, ND

The radar

The Bismarck radar (KBIS), 58 km from the middle of the area, began a volume at 22:46 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.1 hours before the alert went out and 62 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 1995-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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 1995-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 250 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
55 J/kg
Mixed-layer CIN
-484 J/kg
Mixed-layer LCL
2004 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
250 m²/s²
0-3 km storm-relative helicity
240 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 KBIS 022306 RRA
SVRBIS
NDC065-022345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
603 PM CDT WED AUG 2 1995
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL NORTH DAKOTA
 
   ...OLIVER COUNTY
 
AT 605 CDT RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES SOUTHWEST OF
CENTER OR 35 MILES NORTHWEST OF BISMARCK. IT WAS MOVING NORTHEAST AT 25
MPH...AND THE TOWNS OF CENTER AND HANNOVER ARE IN ITS PATH.
 
 
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CrHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 5:24 PM CDTSevere Thunderstorm WarningBISMorton66 min
Aug 2, 5:53 PM CDTSevere Thunderstorm WarningBISBurleigh52 min
Aug 2, 5:56 PM CDTTornado WarningBISBurleigh, Morton49 min
Aug 2, 6:36 PM CDTSevere Thunderstorm WarningBISMorton54 min
Aug 2, 6:48 PM CDTSevere Thunderstorm WarningBISBurleigh42 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1995Every severe thunderstorm warning in 1995

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.