Alert archive / North Dakota / Tornado Warnings in 2001

Tornado Warning 41, NWS Grand Forks, ND

July 18, 2001Griggs County, Nelson County, Steele County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 18, 2001, 6:26 PM CDT for Griggs County, Nelson County, Steele County, North Dakota. It was in force for 49 min. 3 reports 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: Jul 18, 2001, 6:26 PM CDT (23:26 UTC)
Expired: Jul 18, 2001, 7:15 PM CDT
In force: 49 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Griggs County, ND, Nelson County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 68 km from the middle of the area, began a volume at 23:28 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

Time	Report	Where	Remark
Jul 18, 6:35 PM CDT	Tornado F0	Binford, ND	A brief touchdown was reported.
Jul 18, 7:00 PM CDT	Tornado F0	Sharon, ND	A brief tornado touchdown was reported.
Jul 18, 7:00 PM CDT	Tornado F0	Pekin, ND	A brief touchdown was reported.

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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 18, 4:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.4 hours before the alert went out and 213 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1501 J/kg
Mixed-layer CIN: -233 J/kg
Mixed-layer LCL: 728 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 57 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 KFGF 182328
TORFAR

NDC039-063-091-190015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
626 PM CDT WED JUL 18 2001

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  SOUTHEASTERN NELSON COUNTY IN NORTHEAST NORTH DAKOTA...
  NORTHERN GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA AND
  NORTHWESTERN STEELE COUNTY IN SOUTHEAST NORTH DAKOTA.

* UNTIL 715 PM CDT.

* AT 623 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES EAST OF RED WILLOW LAKE...OR ABOUT 41 MILES        
  SOUTHEAST OF DEVILS LAKE...MOVEMENT WAS TO THE EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...

  KLOTEN AT 645 PM CDT...
  ANETA AT 655 PM CDT AND
  SHARON AT 700 PM CDT.

A TORNADO WAS REPORTED AT 623 PM CDT 3 MILES NORTH AND 10 MILES WEST 
OF ANETA.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4777 9843 4759 9841 4750 9788 4772 9791


$$
08
DJK

NNNN:

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 7:03 PM CDT	Tornado Warning	FGF	Ransom	42 min
Jul 17, 7:27 PM CDT	Tornado Warning	FGF	Richland	48 min
Jul 17, 7:41 PM CDT	Severe Thunderstorm Warning	FGF	Ramsey, Walsh	49 min
Jul 17, 7:47 PM CDT	Severe Thunderstorm Warning	FGF	Ransom	43 min
Jul 17, 8:10 PM CDT	Tornado Warning	FGF	Richland	35 min
Jul 17, 8:13 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	47 min
Jul 17, 8:37 PM CDT	Severe Thunderstorm Warning	FGF	Ransom	53 min
Jul 17, 8:42 PM CDT	Severe Thunderstorm Warning	FGF	Richland	48 min
Jul 17, 8:58 PM CDT	Severe Thunderstorm Warning	FGF	Cass	32 min
Jul 17, 9:29 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland	31 min
Jul 17, 9:38 PM CDT	Severe Thunderstorm Warning	FGF	Ransom	37 min
Jul 17, 9:57 PM CDT	Severe Thunderstorm Warning	FGF	Richland	48 min
Jul 17, 10:05 PM CDT	Severe Thunderstorm Warning	FGF	Sargent	40 min
Jul 17, 10:11 PM CDT	Severe Thunderstorm Warning	FGF	Ransom	34 min
Jul 17, 10:40 PM CDT	Severe Thunderstorm Warning	FGF	Richland	35 min
Jul 17, 11:50 PM CDT	Severe Thunderstorm Warning	FGF	Barnes	40 min
Jul 18, 12:30 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	45 min
Jul 18, 12:56 AM CDT	Severe Thunderstorm Warning	FGF	Griggs	49 min
Jul 18, 1:12 AM CDT	Severe Thunderstorm Warning	FGF	Cass	63 min
Jul 18, 2:07 AM CDT	Severe Thunderstorm Warning	FGF	Steele	38 min
Jul 18, 2:13 AM CDT	Severe Thunderstorm Warning	FGF	Cass	62 min
Jul 18, 3:41 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	49 min
Jul 18, 4:22 PM CDT	Tornado Warning	FGF	Pembina	38 min
Jul 18, 5:43 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	47 min
Jul 18, 5:57 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	48 min
Jul 18, 6:00 PM CDT	Tornado Warning	FGF	Nelson	30 min
Jul 18, 6:04 PM CDT	Tornado Warning	FGF	Griggs	26 min
Jul 18, 6:32 PM CDT	Tornado Warning	FGF	Walsh	43 min
Jul 18, 6:36 PM CDT	Tornado Warning	FGF	Pembina	24 min

Nearby

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