Alert archive / North Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 96, NWS Bismarck, ND

July 30, 1995Mountrail County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 30, 1995, 12:33 AM CDT for Mountrail County, North Dakota. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jul 30, 1995, 12:33 AM CDT (05:33 UTC)
Expired
Jul 30, 1995, 1:30 AM CDT
In force
57 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Mountrail County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.6 hours before the alert went out and 202 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 00:00Z on 1995-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1948 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 00:00Z on 1995-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 308 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
1948 J/kg
Mixed-layer CIN
-364 J/kg
Mixed-layer LCL
1700 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
308 m²/s²
0-3 km storm-relative helicity
469 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KISN 300533 RRA
SVRISN
NDC061-300630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILLISTON ND
1233 AM CDT SUN JUL 30 1995
 
THE NATIONAL WEATHER SERVICE IN WILLISTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST NORTH DAKOTA
 
   ...NORTHWESTERN MOUNTRAIL COUNTY
 
AT 1230 AM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS PRODUCING
WIND GUSTS IN EXCESS OF 60 MPH FROM 20 MILES NORTH OF WILLISTON TO 30
MILES EAST OF WILLISTON. THE STORMS WERE MOVING NORTHEAST AT 60 MPH.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
KENNEDY
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 9:52 PM CDTSevere Thunderstorm WarningBISDivide38 min
Jul 29, 10:19 PM CDTSevere Thunderstorm WarningBISWilliams56 min
Jul 29, 10:54 PM CDTSevere Thunderstorm WarningBISDivide, Williams66 min
Jul 29, 11:07 PM CDTSevere Thunderstorm WarningBISMcKenzie68 min
Jul 29, 11:19 PM CDTSevere Thunderstorm WarningBISBurke56 min
Jul 29, 11:35 PM CDTSevere Thunderstorm WarningBISWilliams55 min
Jul 30, 12:11 AM CDTSevere Thunderstorm WarningBISDivide, Williams64 min
Jul 30, 12:40 AM CDTSevere Thunderstorm WarningBISBurke65 min
Jul 30, 1:22 AM CDTSevere Thunderstorm WarningBISRenville29 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.