Alert archive / North Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 76, NWS Bismarck, ND

July 18, 1995Billings County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 18, 1995, 9:19 PM MDT for Billings County, North Dakota. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jul 18, 1995, 9:19 PM MDT (03:19 UTC)
Expired
Jul 18, 1995, 10:00 PM MDT
In force
41 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Billings County, ND

The radar

The Bismarck radar (KBIS), 201 km from the middle of the area, began a volume at 03:23 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 00:00Z, 3.3 hours before the alert went out and 205 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 1995-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 519 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 1995-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
519 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1701 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KISN 190318
SVRISN
NDC007-190400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILLISTON ND
1019 PM CDT (919 PM MDT) TUE JUL 18 1995
 
THE NATIONAL WEATHER SERVICE IN WILLISTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT (1000 PM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL NORTH DAKOTA
 
   ...BILLINGS COUNTY
 
AT 1010 PM CDT BILLINGS COUNTY SHERRIFF REPORTED A FUNNEL CLOUD IN
NORTHERN BILLINGS COUNTY. BISMARCK DOPPLER RADAR ALSO INDICATED ROTATION
IN THE THUNDERSTORM. THE THUNDERSTORM WAS LOCATED 10 MILES NORTH OF
MEDORA OR 30 MILES WEST OF DIKINSON MOVING SOUTHEAST AT 35 MPH. TOWNS IN
THE PATH OF THIS THUNDERSTORM INCLUDE MEDORA. PEOPLE INVOLVED IN OUTDOOR
ACTIVITIES IN AND AROUND THE MEDORA AREA ARE ADVISED TO SEEK SHELTER
IMMEDIATLEY.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
BOLSETH
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 6:44 PM MDTSevere Thunderstorm WarningBISGrant, Hettinger61 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.