Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 47, NWS Bismarck, ND

July 5, 1998Mountrail County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 5, 1998, 9:03 PM CDT for Mountrail County, North Dakota. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 5, 1998, 9:03 PM CDT (02:03 UTC)
Expired
Jul 5, 1998, 9:50 PM CDT
In force
47 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Mountrail County, ND

What was reported inside it

TimeReportWhereRemark
Jul 5, 9:08 PM CDTThunderstorm Wind 52Blaisdell, ND

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.1 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 1998-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1041 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 1998-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
1041 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1295 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

497 
WUUS1 KBIS 060204 RRA
SVRBIS
NDC061-060250-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
903 PM CDT SUN JUL 5 1998

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN MOUNTRAIL COUNTY IN NORTHWESTERN NORTH DAKOTA

* UNTIL 950 PM CDT

* AT 902 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 45 MILES NORTHWEST OF MINOT...OR 4 MILES
  NORTHWEST OF COULEE... MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  COULEE NOW THROUGH 920 PM CDT

SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. GO INSIDE A STURDY BUILDING AND
STAY AWAY FROM WINDOWS

JPM/DD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 7:57 PM CDTSevere Thunderstorm WarningBISBurke48 min
Jul 5, 8:16 PM CDTTornado WarningBISBurke34 min
Jul 5, 8:36 PM CDTSevere Thunderstorm WarningBISWard44 min
Jul 5, 9:52 PM CDTSevere Thunderstorm WarningBISDivide, Williams58 min
Jul 5, 10:47 PM CDTSevere Thunderstorm WarningBISMountrail58 min
Jul 5, 10:47 PM CDTTornado WarningBISWilliams28 min
Jul 5, 11:44 PM CDTSevere Thunderstorm WarningBISMountrail46 min
Jul 6, 12:39 AM CDTSevere Thunderstorm WarningBISMountrail, Ward61 min
Jul 6, 3:31 PM CDTSevere Thunderstorm WarningBISMcKenzie64 min
Jul 6, 4:01 PM CDTSevere Thunderstorm WarningBISWard64 min
Jul 6, 4:51 PM CDTTornado WarningBISWard49 min
Jul 6, 5:23 PM CDTSevere Thunderstorm WarningBISEmmons47 min
Jul 6, 5:30 PM CDTSevere Thunderstorm WarningBISBurleigh45 min
Jul 6, 5:45 PM CDTSevere Thunderstorm WarningBISMcLean45 min
Jul 6, 6:00 PM CDTSevere Thunderstorm WarningBISMcKenzie60 min
Jul 6, 6:03 PM CDTSevere Thunderstorm WarningBISRenville32 min
Jul 6, 6:04 PM CDTSevere Thunderstorm WarningBISMcIntosh31 min
Jul 6, 6:20 PM CDTSevere Thunderstorm WarningBISBurleigh, Kidder50 min
Jul 6, 6:22 PM CDTSevere Thunderstorm WarningBISMcLean63 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.