Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 78, NWS Bismarck, ND

July 14, 1998Morton County, Oliver County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 14, 1998, 2:13 AM MDT for Morton County, Oliver County, North Dakota. It was in force for 47 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, 2:13 AM MDT (08:13 UTC)
Expired
Jul 14, 1998, 3:00 AM MDT
In force
47 min
Issued by
NWS Bismarck, ND
Area
Whole counties

Counties Morton County, ND, Oliver County, ND

The radar

The Bismarck radar (KBIS), 45 km from the middle of the area, began a volume at 08:12 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.

IssuedProductOfficeLasted
Jul 13, 11:30 PM MDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 8.2 hours before the alert went out and 49 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 1998-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 140 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 1998-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
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 140813 RRA
SVRBIS
NDC059-065-140900-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
313 AM CDT TUE JUL 14 1998

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN MORTON COUNTY IN CENTRAL NORTH DAKOTA
  WESTERN OLIVER COUNTY IN CENTRAL NORTH DAKOTA

* UNTIL 400 AM CDT

* AT 307 AM CDT (207 AM MDT)...NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A SEVERE THUNDERSTORM NEAR HEBRON OR 35 MILES EAST
  OF DICKINSON... MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HEBRON THROUGH 325 AM CDT
  GLEN ULLIN AT 325 AM CDT
  HANNOVER AT 335 AM CDT
  NEW SALEM AT 345 AM CDT

THIFS STORM HAS A HISTORY OF WINDS OVER 55 MPH. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

TSW/WA

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

Special weather statement, Jul 14, 12:30 AM MDT, 1 hour 43 minutes before
NDZ031-140645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
130 AM CDT TUE JUL 14 1998

...SEVERE THUNDERSTORM WARNING HAS ENDED...

AT 1225 AM CDT THE SEVERE THUNDERSTORM THAT MOVED THROUGH GOLDEN VALLEY
COUNTY HAS MOVED OUT OF THE AREA.

GOLVA REPORTED A 60 MPH WIND GUST ALONG WITH QUARTER INCH HAIL AND A
HALF INCH OF RAIN IN HALF AN HOUR.

FRANSEN
Special weather statement, Jul 14, 1:25 AM MDT, 48 minutes before
NDZ032-140740-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
225 AM CDT TUE JUL 14 1998

...SEVERE THUNDERSTORM WARNING HAS EXPIRED...
SEVERE THUNDERSTORMS THAT WERE IN BILLINGS COUNTY HAVE MOVED EASTWARD.
THEREFORE THE SEVERE THUNDERSTORM WARNING HAS EXPIRED.

FRANSEN
Special weather statement, Jul 14, 1:25 AM MDT, 48 minutes before
NDZ032-140740-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
225 AM CDT TUE JUL 14 1998

...SEVERE THUNDERSTORM WARNING HAS EXPIRED...
SEVERE THUNDERSTORMS THAT WERE IN BILLINGS COUNTY HAVE MOVED EASTWARD.
THEREFORE THE SEVERE THUNDERSTORM WARNING HAS EXPIRED.

FRANSEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 11:38 PM MDTSevere Thunderstorm WarningBISGolden Valley47 min
Jul 14, 12:20 AM MDTSevere Thunderstorm WarningBISMcKenzie60 min
Jul 14, 12:25 AM MDTSevere Thunderstorm WarningBISBillings60 min
Jul 14, 12:43 AM MDTSevere Thunderstorm WarningBISBowman, Slope62 min
Jul 14, 2:18 AM MDTSevere Thunderstorm WarningBISHettinger47 min
Jul 14, 3:04 AM MDTSevere Thunderstorm WarningBISMcLean, Oliver61 min
Jul 14, 4:11 AM MDTSevere Thunderstorm WarningBISPierce44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.