Alert archive / North Dakota / Tornado Warnings in 2001

Tornado Warning 22, NWS Bismarck, ND

July 26, 2001McKenzie County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 26, 2001, 6:35 PM CDT for McKenzie County, North Dakota. It was in force for 45 min. No storm report in the archive falls 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.

The facts

Issued
Jul 26, 2001, 6:35 PM CDT (23:35 UTC)
Expired
Jul 26, 2001, 7:20 PM CDT
In force
45 min
Issued by
NWS Bismarck, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

County McKenzie County, ND

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 26, 4:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.6 hours before the alert went out and 208 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 2001-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 415 joules per kilogram.LCLLFCEL10008507005003002001001 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 2001-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897117Sfc1 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
415 J/kg
Mixed-layer CIN
-223 J/kg
Mixed-layer LCL
839 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KBIS 262336
TORISN

NDC053-270020-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
635 PM CDT THU JUL 26 2001

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MCKENZIE COUNTY IN NORTHWEST NORTH DAKOTA

* UNTIL 720 PM CDT

* AT 635 PM CDT...THE PUBLIC REPORTED A TORNADO 16 MILES EAST OF
  WATFORD CITY NEAR HIGHWAY 23...OR ABOUT 41 MILES SOUTHEAST OF
  WILLISTON...MOVING NORTHEAST AT 5 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  KEENE AT 640 PM CDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
THURSDAY EVENING FOR NORTHWEST NORTH DAKOTA.

LAT...LON 4787 10303 4774 10264 4809 10270 4810 10293

WA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 7:55 PM CDTTornado WarningBISGolden Valley, Slope65 min
Jul 25, 8:23 PM CDTSevere Thunderstorm WarningBISBillings67 min
Jul 25, 8:53 PM CDTSevere Thunderstorm WarningBISSlope67 min
Jul 25, 9:34 PM CDTSevere Thunderstorm WarningBISBowman56 min
Jul 25, 9:58 PM CDTSevere Thunderstorm WarningBISSlope62 min
Jul 25, 10:13 PM CDTFlash Flood WarningBISBowman, Golden Valley, Slope6 hr
Jul 25, 10:29 PM CDTSevere Thunderstorm WarningBISBowman61 min
Jul 25, 11:46 PM CDTSevere Thunderstorm WarningBISBottineau59 min
Jul 26, 6:40 PM CDTTornado WarningBISBurke35 min

Nearby

Tornado Warnings in North Dakota, 2001Every tornado warning in 2001Tornadoes in 2001

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.