Alert archive / North Dakota / Tornado Warnings in 1998

Tornado Warning 13, NWS Bismarck, ND

June 18, 1998Burleigh County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 18, 1998, 5:12 PM CDT for Burleigh County, North Dakota. It was in force for 33 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
Jun 18, 1998, 5:12 PM CDT (22:12 UTC)
Expired
Jun 18, 1998, 5:45 PM CDT
In force
33 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Burleigh County, ND

The radar

The Bismarck radar (KBIS), 32 km from the middle of the area, began a volume at 22:12 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.2 hours before the alert went out and 29 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 12:00Z on 1998-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 12:00Z on 1998-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
4 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
726 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
31 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.

728 
WFUS1 KBIS 182213 RRA
TORBIS
NDC015-182245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
512 PM CDT THU JUN 18 1998

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BURLEIGH COUNTY IN CENTRAL NORTH DAKOTA

* UNTIL 545 PM CDT

* AT 510 PM CDT... SPOTTERS INDICATED A TORNADO 5 MILES NORTHEAST OF
  BISMARCK... MOVING NORTHEAST AT 10 MPH..

* THE TORNADO IS EXPECTED TO BE NEAR...
  REMAIN IN OPEN COUNTRY

A TORNADO IS ON THE GROUND GO TO THE BASEMENT IF A BASEMENT IS
NOT AVAILABLE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

RGT/LM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 12:22 AM CDTSevere Thunderstorm WarningBISDickey48 min
Jun 18, 6:30 PM CDTSevere Thunderstorm WarningBISSioux60 min

Nearby

Tornado Warnings in North Dakota, 1998Every tornado warning in 1998Tornadoes 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.