Alert archive / North Dakota / Tornado Warnings in 2000

Tornado Warning 25, NWS Bismarck, ND

November 1, 2000Morton County, North Dakota

NWS Bismarck, ND issued this tornado warning at Nov 1, 2000, 1:50 PM MST for Morton County, North Dakota. It was in force for 25 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Nov 1, 2000, 1:50 PM MST (20:50 UTC)
Expired
Nov 1, 2000, 2:15 PM MST
In force
25 min
Issued by
NWS Bismarck, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Morton County, ND

The radar

The Bismarck radar (KBIS), 27 km from the middle of the area, began a volume at 20:51 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.

What was reported inside it

TimeReportWhereRemark
Nov 1, 2:00 PM MSTTornado F1Mandan, NDTornado crossed the Missouri River from Burleigh county and moved in a northwest direction skipping across the open country side. The tornado then entered into Oliver county.

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 12:00Z, 8.8 hours before the alert went out and 32 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 2000-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2000-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
610 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
243 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 
WFUS53 KBIS 012051
TORBIS

NDC059-012115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
150 PM MST WED NOV 1 2000

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL MORTON COUNTY IN SOUTH CENTRAL NORTH DAKOTA

* UNTIL 215 PM MST(315 PM CST)

* AT 149 PM MST(249 PM CST)...SKYWARN SPOTTERS REPORTED A TORNADO    
  ABOUT 8 MILES NORTHWEST OF BISMARCK...MOVING WEST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  NORTH OF INTERSTATE 94 WEST OF MANDAN

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED 
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4683 10086 4698 10092 4696 10148 4670 10135

NOAH

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 1:33 PM MSTTornado WarningBISBurleigh27 min
Nov 1, 2:05 PM MSTTornado WarningBISBurleigh, McLean40 min
Nov 1, 2:29 PM MSTTornado WarningBISOliver31 min
Nov 1, 2:43 PM MSTTornado WarningBISMorton47 min
Nov 1, 2:58 PM MSTSevere Thunderstorm WarningBISMcLean62 min

Nearby

Tornado Warnings in North Dakota, 2000Every tornado warning in 2000Tornadoes in 2000

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; radar from the NEXRAD Level II archive.