Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 76, NWS Bismarck, ND

July 14, 1998Billings County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 14, 1998, 12:25 AM MDT for Billings County, North Dakota. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 14, 1998, 12:25 AM MDT (06:25 UTC)
Expired: Jul 14, 1998, 1:25 AM MDT
In force: 60 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 06:28 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 13, 11:30 PM MDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 6.4 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-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: 140 J/kg
Mixed-layer CIN: -323 J/kg
Mixed-layer LCL: 2380 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 140624 RRA
SVRBIS
NDC007-140725-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
125 AM CDT (1225 AM MDT) TUE JUL 14 1998

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BILLINGS COUNTY IN WEST CENTRAL NORTH DAKOTA

* UNTIL 125 AM MDT (225 AM CDT)

* AT 1220 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 8 MILES WEST OF MEDORA... MOVING EAST AT 40
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MEDORA AT 1235 PM MDT
  FAIRFIELD AT 1250 PM MDT

DAMAGING WINDS OF 60 MPH OR HIGHER ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

TSW/WA

 .

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 11:38 PM MDT	Severe Thunderstorm Warning	BIS	Golden Valley	47 min
Jul 14, 12:20 AM MDT	Severe Thunderstorm Warning	BIS	McKenzie	60 min
Jul 14, 12:43 AM MDT	Severe Thunderstorm Warning	BIS	Bowman, Slope	62 min
Jul 14, 2:13 AM MDT	Severe Thunderstorm Warning	BIS	Morton, Oliver	47 min
Jul 14, 2:18 AM MDT	Severe Thunderstorm Warning	BIS	Hettinger	47 min
Jul 14, 3:04 AM MDT	Severe Thunderstorm Warning	BIS	McLean, Oliver	61 min
Jul 14, 4:11 AM MDT	Severe Thunderstorm Warning	BIS	Pierce	44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.