Alert archive / North Dakota / Tornado Warnings in 2001

Tornado Warning 17, NWS Bismarck, ND

July 19, 2001Grant County, Morton County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 19, 2001, 9:41 PM MDT for Grant County, Morton County, North Dakota. It was in force for 34 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 19, 2001, 9:41 PM MDT (03:41 UTC)
Expired
Jul 19, 2001, 10:15 PM MDT
In force
34 min
Issued by
NWS Bismarck, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Grant County, ND, Morton County, ND

The radar

The Bismarck radar (KBIS), 56 km from the middle of the area, began a volume at 03:43 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 19, 5:00 PM MDTTornado WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.7 hours before the alert went out and 59 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 2001-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2229 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 2001-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
2229 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1611 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KBIS 200342
TORBIS

NDC037-059-200415-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
941 PM MDT THU JUL 19 2001

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

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

* UNTIL 1015 PM MDT

* AT 941 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES SOUTH OF RALEIGH...OR ABOUT 44 MILES SOUTHWEST OF
  BISMARCK...MOVING NORTHEAST AT 50 MPH.

*THE TORNADO WILL BE NEAR...
 RALEIGH AT AT 945 PM MDT
 FLASHER AT AT 1000 PM MDT

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT THURSDAY EVENING
FOR WESTERN NORTH DAKOTA.

LAT...LON 4638 10140 4625 10122 4642 10097 4652 10121

RSL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 7:59 PM MDTSevere Thunderstorm WarningBISAdams61 min
Jul 19, 8:08 PM MDTTornado WarningBISGolden Valley67 min
Jul 19, 9:00 PM MDTSevere Thunderstorm WarningBISGrant, Sioux60 min
Jul 19, 9:04 PM MDTSevere Thunderstorm WarningBISWilliams56 min
Jul 19, 9:16 PM MDTSevere Thunderstorm WarningBISMorton44 min
Jul 19, 9:23 PM MDTSevere Thunderstorm WarningBISWilliams57 min
Jul 19, 9:40 PM MDTSevere Thunderstorm WarningBISEmmons65 min
Jul 19, 9:55 PM MDTSevere Thunderstorm WarningBISDunn65 min
Jul 19, 9:59 PM MDTSevere Thunderstorm WarningBISBurleigh, Morton, Oliver61 min
Jul 19, 10:02 PM MDTSevere Thunderstorm WarningBISBurke, Mountrail58 min
Jul 19, 10:26 PM MDTSevere Thunderstorm WarningBISKidder, Logan64 min
Jul 19, 10:42 PM MDTSevere Thunderstorm WarningBISMcKenzie58 min
Jul 19, 10:44 PM MDTSevere Thunderstorm WarningBISBurleigh, McLean46 min
Jul 19, 10:44 PM MDTSevere Thunderstorm WarningBISKidder46 min
Jul 19, 11:00 PM MDTSevere Thunderstorm WarningBISMountrail60 min
Jul 19, 11:29 PM MDTSevere Thunderstorm WarningBISSheridan, Wells61 min
Jul 19, 11:29 PM MDTSevere Thunderstorm WarningBISStutsman61 min
Jul 19, 11:40 PM MDTSevere Thunderstorm WarningBISBurke65 min
Jul 19, 11:50 PM MDTSevere Thunderstorm WarningBISWard55 min
Jul 19, 11:51 PM MDTSevere Thunderstorm WarningBISFoster39 min
Jul 20, 12:01 AM MDTSevere Thunderstorm WarningBISMcHenry44 min
Jul 20, 12:29 AM MDTSevere Thunderstorm WarningBISBottineau, McHenry61 min
Jul 20, 1:32 AM MDTSevere Thunderstorm WarningBISPierce, Rolette58 min
Jul 20, 2:06 PM MDTSevere Thunderstorm WarningBISDivide59 min
Jul 20, 3:10 PM MDTSevere Thunderstorm WarningBISDivide60 min
Jul 20, 3:35 PM MDTSevere Thunderstorm WarningBISBurke55 min
Jul 20, 3:55 PM MDTTornado 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; radar from the NEXRAD Level II archive.