Alert archive / North Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 63, NWS Bismarck, ND

July 12, 1995Bowman County, Slope County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 12, 1995, 7:15 PM MDT for Bowman County, Slope County, North Dakota. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: Jul 12, 1995, 7:15 PM MDT (01:15 UTC)
Expired: Jul 12, 1995, 8:15 PM MDT
In force: 60 min
Issued by: NWS Bismarck, ND
Area: Whole counties

Counties Bowman County, ND, Slope County, ND

The radar

The Bismarck radar (KBIS), 216 km from the middle of the area, began a volume at 01:15 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, 1.3 hours before the alert went out and 220 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1559 J/kg
Mixed-layer CIN: -245 J/kg
Mixed-layer LCL: 1493 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 130118 RRA
SVRBIS
NDC011-087-130215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
815 PM CDT (715 PM MDT) WED JUL 12 1995
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM CDT (815 PM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST NORTH DAKOTA
 
   ...BOWMAN COUNTY...SLOPE COUNTY
 
AT 715 PM MDT/815 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED BY RADAR 26
MILES SOUTHWEST OF BOWMAN NORTH DAKOTA AND ANOTHER 28 MILES NORTHWEST OF
BOWMAN...BOTH MOVING EAST AT 30 TO 35 MMILES AN HOUR.
 
TOWNS IN THE WARNING...BOWMAN...AND AMIDON.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
RR/DH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 7:46 PM MDT	Severe Thunderstorm Warning	BIS	Billings	59 min
Jul 12, 7:53 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	67 min
Jul 12, 7:53 PM MDT	Severe Thunderstorm Warning	BIS	Stark	67 min
Jul 12, 9:00 PM MDT	Severe Thunderstorm Warning	BIS	Grant, Morton	60 min
Jul 12, 9:10 PM MDT	Severe Thunderstorm Warning	BIS	Mercer	65 min
Jul 12, 9:29 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh	61 min
Jul 12, 9:29 PM MDT	Severe Thunderstorm Warning	BIS	Grant, Morton	39 min
Jul 13, 12:13 AM MDT	Severe Thunderstorm Warning	BIS	Stutsman	47 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1995 Every 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.