Alert archive / North Dakota / Tornado Warnings in 2000

Tornado Warning 15, NWS Grand Forks, ND

August 14, 2000Pembina County, Walsh County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Aug 14, 2000, 1:14 AM CDT for Pembina County, Walsh County, North Dakota. It was in force for 31 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
Aug 14, 2000, 1:14 AM CDT (06:14 UTC)
Expired
Aug 14, 2000, 1:45 AM CDT
In force
31 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Pembina County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 122 km from the middle of the area, began a volume at 06:16 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
Aug 13, 11:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 6.2 hours before the alert went out and 306 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, International Fa, MN at 00:00Z on 2000-08-14Temperature 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, International Fa, MN at 00:00Z on 2000-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
1790 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
77 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.

207 
WFUS53 KFGF 140614
TORFAR
NDC067-099-140645-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
114 AM CDT MON AUG 14 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA
  NORTHEASTERN WALSH COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 145 AM CDT

* AT 110 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER HOOPLE...OR ABOUT 16 MILES NORTHWEST OF GRAFTON...
  MOVEMENT WAS TO THE EAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  GLASSTON AT 115 AM CDT
  DRAYTON AT 130 AM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO
ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY
MORNING FOR NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4874 9765 4854 9768 4838 9720 4869 9712

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 11:27 PM CDTSevere Thunderstorm WarningFGFCavalier, Towner43 min
Aug 14, 3:40 AM CDTSevere Thunderstorm WarningFGFBarnes45 min
Aug 14, 4:22 AM CDTSevere Thunderstorm WarningFGFGriggs, Steele43 min
Aug 14, 4:24 AM CDTSevere Thunderstorm WarningFGFBarnes, Cass46 min
Aug 14, 5:08 AM CDTSevere Thunderstorm WarningFGFCass32 min
Aug 14, 5:51 AM CDTSevere Thunderstorm WarningFGFCass30 min
Aug 14, 7:16 AM CDTSevere Thunderstorm WarningFGFGriggs29 min
Aug 14, 7:58 AM CDTSevere Thunderstorm WarningFGFSteele, Traill32 min
Aug 14, 9:13 AM CDTSevere Thunderstorm WarningFGFTraill32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.