Alert archive / North Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 52, NWS Bismarck, ND

July 11, 1995Grant County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 11, 1995, 9:21 PM MDT for Grant County, North Dakota. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1995, 9:21 PM MDT (03:21 UTC)
Expired
Jul 11, 1995, 10:30 PM MDT
In force
69 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Grant County, ND

The radar

The Bismarck radar (KBIS), 81 km from the middle of the area, began a volume at 03:24 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, 3.4 hours before the alert went out and 85 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 1995-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3653 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 1995-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
3653 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1375 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 120324 RRA
SVRBIS
NDC057-059-065-037-120430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1021 PM CDT (921 PM MDT) TUE JUL 11 1995
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CDT (1030 PM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL NORTH DAKOTA
 
   ...WESTERN MERCER COUNTY...WESTERN AND CENTRAL MORTON COUNTY
   ...WESTERN OLIVER COUNTY
 
IN SOUTH CENTRAL NORTH DAKOTA
 
   ...GRANT COUNTY
 
AT 1020 PM CDT/920 PM MDT...A LINE OF SEVERE THUNDERSTORMS STRETCHED
FROM 20 MILES NORTH OF DICKINSON TO 50 MILES SOUTH SOUTHEAST OF
DICKINSON MOVING EAST AT 40 MILES AN HOUR.
 
THESE STORMS HAVE PRODUCED WIND GUSTS IN EXCESS OF 80 MILES AN HOUR.
 
TOWNS IN THE WARNING...HEBRON...GLEN ULLIN...NEW SALEM...BEULAH AND
ELGIN.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY4 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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 8:23 PM MDTSevere Thunderstorm WarningBISHettinger, Slope43 min
Jul 11, 8:59 PM MDTSevere Thunderstorm WarningBISHettinger, Stark61 min
Jul 11, 9:21 PM MDTSevere Thunderstorm WarningBISMercer, Morton, Oliver69 min
Jul 11, 9:34 PM MDTSevere Thunderstorm WarningBISDunn, McKenzie56 min
Jul 11, 10:03 PM MDTSevere Thunderstorm WarningBISMercer, Morton, Oliver57 min
Jul 11, 10:03 PM MDTSevere Thunderstorm WarningBISBurleigh57 min
Jul 11, 10:03 PM MDTSevere Thunderstorm WarningBISSioux57 min
Jul 11, 10:44 PM MDTSevere Thunderstorm WarningBISMcLean46 min
Jul 11, 10:55 PM MDTSevere Thunderstorm WarningBISBurleigh, Emmons, Kidder65 min
Jul 11, 10:55 PM MDTSevere Thunderstorm WarningBISSheridan65 min
Jul 11, 11:20 PM MDTSevere Thunderstorm WarningBISWells40 min
Jul 11, 11:43 PM MDTSevere Thunderstorm WarningBISLogan, McIntosh, Stutsman62 min
Jul 12, 12:09 AM MDTSevere Thunderstorm WarningBISDickey, LaMoure66 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.