Alert archive / North Dakota / Tornado Warnings in 2001

Tornado Warning 65, NWS Grand Forks, ND

August 14, 2001Eddy County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Aug 14, 2001, 9:28 PM CDT for Eddy County, North Dakota. It was in force for 47 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 14, 2001, 9:28 PM CDT (02:28 UTC)
Expired
Aug 14, 2001, 10:15 PM CDT
In force
47 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Eddy County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 120 km from the middle of the area, began a volume at 02:31 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
Aug 14, 9:29 PM CDTTornado F0New Rockford, NDA brief touchdown was reported.
Aug 14, 9:36 PM CDTHail 1New Rockford, ND

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 00:00Z, 2.5 hours before the alert went out and 172 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 2001-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2390 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 00:00Z on 2001-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
2390 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1983 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

167 
WUUS53 KFGF 150231
TORFAR
NDC027-150315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
928 PM CDT TUE AUG 14 2001

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  EDDY COUNTY IN NORTHEAST NORTH DAKOTA.

* UNTIL 1015 PM CDT.

* AT 926 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CENTRAL EDDY COUNTY...OR ABOUT 27 MILES
  SOUTH OF DEVILS LAKE...MOVEMENT WAS TO THE SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORMS WILL CONTINUE TO AFFECT AREAS NEAR

  NEW ROCKORD...BRANTFORD...AND RURAL EASTERN EDDY COUNTY THROUGH    
  1015 PM CDT
    

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.


$$
08

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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 8:43 PM CDTSevere Thunderstorm WarningFGFBenson47 min
Aug 14, 8:51 PM CDTSevere Thunderstorm WarningFGFEddy39 min
Aug 14, 9:06 PM CDTTornado WarningFGFEddy24 min
Aug 14, 9:12 PM CDTSevere Thunderstorm WarningFGFNelson48 min
Aug 14, 9:28 PM CDTSevere Thunderstorm WarningFGFEddy47 min
Aug 14, 9:35 PM CDTFlash Flood WarningFGFEddy6 hr
Aug 14, 9:57 PM CDTSevere Thunderstorm WarningFGFGriggs, Nelson48 min
Aug 14, 10:22 PM CDTSevere Thunderstorm WarningFGFGrand Forks38 min
Aug 14, 11:03 PM CDTSevere Thunderstorm WarningFGFGrand Forks42 min
Aug 14, 11:17 PM CDTFlash Flood WarningFGFGrand Forks6 hr
Aug 14, 11:21 PM CDTSevere Thunderstorm WarningFGFBarnes, Griggs39 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.