Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 49, NWS Bismarck, ND

July 5, 1998Mountrail County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 5, 1998, 10:47 PM CDT for Mountrail County, North Dakota. It was in force for 58 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, 10:47 PM CDT (03:47 UTC)
Expired: Jul 5, 1998, 11:45 PM CDT
In force: 58 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Mountrail County, ND

What was reported inside it

Time	Report	Where	Remark
Jul 5, 11:30 PM CDT	Hail 1	White Earth, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 5, 10:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.8 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-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: 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.

952 
WUUS1 KBIS 060348 RRA
SVRBIS
NDC061-060445-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1047 PM CDT SUN JUL 5 1998

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

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

* UNTIL 1145 PM CDT

* AT 1046 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 40 MILES NORTHEAST OF WILLISTON...OR 15
  MILES NORTHWEST OF WHITE EARTH... MOVING SOUTHEAST AT 20 MPH..

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WHITE EARTH AT 1125 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

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jul 5, 9:22 PM CDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
922 PM CDT SUN JUL 5 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0700 PM    2 NW PORTAL               ND   TORNADO
07/05/98   BURKE                          LAW ENFORCEMENT REPORT ON
                                          US BORDER

0822 PM    8 W BOWBELLS              ND   TORNADO
07/05/98   BURKE                          WEATHER SPOTTER REPORT

0837 PM    NIOBE                     ND   0.75 INCH HAIL
07/05/98   WARD

DED

Local storm report, Jul 5, 9:22 PM CDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
922 PM CDT SUN JUL 5 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0700 PM    2 NW PORTAL               ND   TORNADO
07/05/98   BURKE                          LAW ENFORCEMENT REPORT ON
                                          US BORDER

0822 PM    8 W BOWBELLS              ND   TORNADO
07/05/98   BURKE                          WEATHER SPOTTER REPORT

0837 PM    NIOBE                     ND   0.75 INCH HAIL
07/05/98   WARD

DED

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 7:57 PM CDT	Severe Thunderstorm Warning	BIS	Burke	48 min
Jul 5, 8:16 PM CDT	Tornado Warning	BIS	Burke	34 min
Jul 5, 8:36 PM CDT	Severe Thunderstorm Warning	BIS	Ward	44 min
Jul 5, 9:03 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail	47 min
Jul 5, 9:52 PM CDT	Severe Thunderstorm Warning	BIS	Divide, Williams	58 min
Jul 5, 10:47 PM CDT	Tornado Warning	BIS	Williams	28 min
Jul 5, 11:44 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail	46 min
Jul 6, 12:39 AM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Ward	61 min
Jul 6, 3:31 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	64 min
Jul 6, 4:01 PM CDT	Severe Thunderstorm Warning	BIS	Ward	64 min
Jul 6, 4:51 PM CDT	Tornado Warning	BIS	Ward	49 min
Jul 6, 5:23 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	47 min
Jul 6, 5:30 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh	45 min
Jul 6, 5:45 PM CDT	Severe Thunderstorm Warning	BIS	McLean	45 min
Jul 6, 6:00 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	60 min
Jul 6, 6:03 PM CDT	Severe Thunderstorm Warning	BIS	Renville	32 min
Jul 6, 6:04 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	31 min
Jul 6, 6:20 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	50 min
Jul 6, 6:22 PM CDT	Severe Thunderstorm Warning	BIS	McLean	63 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1998 Every 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.