Alert archive / Minnesota / Tornado Warnings in 2001

Tornado Warning 55, NWS Grand Forks, ND

July 19, 2001Polk County, Minnesota; Grand Forks County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 19, 2001, 12:14 AM CDT for Polk County, Minnesota; Grand Forks County, North Dakota. It was in force for 31 min. 2 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 19, 2001, 12:14 AM CDT (05:14 UTC)
Expired
Jul 19, 2001, 12:45 AM CDT
In force
31 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Polk County, MN, Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 45 km from the middle of the area, began a volume at 05:17 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
Jul 19, 12:14 AM CDTTornado F0Grand Forks, NDA brief touchdown was reported. At the 8300 block of 32nd Avenue South, 2 policemen in their squad cars felt the pull of the strong wind.
Jul 19, 12:15 AM CDTHail 1Euclid, MN

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.

IssuedProductOfficeLasted
Jul 18, 10:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 5.2 hours before the alert went out and 287 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 2001-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2275 joules per kilogram.LCLEL10008507005003002001001 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, International Fa, MN at 00:00Z on 2001-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
2275 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1506 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.6
Supercell composite
9.1

Open this sounding in Storm Lab

The text

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

662 
WFUS53 KFGF 190514
TORFAR
MNC119-NDC035-190545-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1214 AM CDT THU JUL 19 2001

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  EASTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA AND
  WESTERN POLK COUNTY IN NORTHWEST MINNESOTA.
  INCLUDING THE CITY OF GRAND FORKS...

* UNTIL 1245 AM CDT.

* AT 1212 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES SOUTH OF GRAND FORKS...MOVEMENT WAS TO THE
  NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...

  BYGLAND AT 1215 AM CDT...
  GRAND FORKS AT 1220 AM CDT...
  EAST GRAND FORKS AT 1225 AM CDT AND
  FISHER AT 1230 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 300 AM CDT
THURSDAY MORNING FOR NORTHWESTERN MINNESOTA. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 300 AM CDT THURSDAY MORNING FOR
SOUTHEAST NORTH DAKOTA.

LAT...LON 4797 9728 4772 9707 4761 9665 4815 9687


$$


NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:04 PM CDTSevere Thunderstorm WarningFGFKittson41 min
Jul 18, 7:08 PM CDTFlash Flood WarningFGFKittson3 hr
Jul 18, 7:23 PM CDTSevere Thunderstorm WarningFGFLake of the Woods52 min
Jul 18, 7:36 PM CDTTornado WarningFGFLake of the Woods39 min
Jul 18, 7:45 PM CDTSevere Thunderstorm WarningFGFKittson45 min
Jul 18, 7:54 PM CDTSevere Thunderstorm WarningFGFRoseau66 min
Jul 18, 8:09 PM CDTFlash Flood WarningFGFLake of the Woods, Roseau2 hr
Jul 18, 8:44 PM CDTTornado WarningFGFMarshall46 min
Jul 18, 8:50 PM CDTSevere Thunderstorm WarningFGFBeltrami, Lake of the Woods55 min
Jul 18, 9:01 PM CDTSevere Thunderstorm WarningFGFRoseau29 min
Jul 18, 9:43 PM CDTSevere Thunderstorm WarningFGFLake of the Woods47 min
Jul 18, 9:51 PM CDTSevere Thunderstorm WarningFGFPolk39 min
Jul 18, 10:00 PM CDTSevere Thunderstorm WarningFGFBeltrami45 min
Jul 18, 10:14 PM CDTFlash Flood WarningFGFLake of the Woods, Roseau3 hr
Jul 18, 10:32 PM CDTSevere Thunderstorm WarningFGFPolk28 min
Jul 18, 10:37 PM CDTSevere Thunderstorm WarningFGFMarshall38 min
Jul 18, 11:04 PM CDTSevere Thunderstorm WarningFGFBeltrami41 min
Jul 18, 11:11 PM CDTSevere Thunderstorm WarningFGFPennington49 min
Jul 18, 11:18 PM CDTTornado WarningFGFPennington, Red Lake27 min
Jul 18, 11:42 PM CDTTornado WarningFGFRed Lake33 min
Jul 19, 12:27 AM CDTFlash Flood WarningFGFMarshall, Polk2 hr
Jul 19, 12:54 AM CDTSevere Thunderstorm WarningFGFNorman66 min
Jul 19, 1:09 AM CDTSevere Thunderstorm WarningFGFPolk66 min
Jul 19, 1:28 AM CDTSevere Thunderstorm WarningFGFClay47 min
Jul 19, 1:59 AM CDTSevere Thunderstorm WarningFGFMarshall46 min
Jul 19, 2:05 AM CDTSevere Thunderstorm WarningFGFMahnomen, Norman40 min
Jul 19, 2:15 AM CDTSevere Thunderstorm WarningFGFClay30 min
Jul 19, 2:28 AM CDTSevere Thunderstorm WarningFGFBecker47 min
Jul 19, 2:52 AM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Hubbard38 min
Jul 19, 3:12 AM CDTSevere Thunderstorm WarningFGFBecker63 min
Jul 18, 7:00 PM CDTTornado WarningFGFPembina45 min
Jul 18, 7:09 PM CDTSevere Thunderstorm WarningFGFGriggs51 min
Jul 18, 7:09 PM CDTTornado WarningFGFNelson51 min
Jul 18, 7:13 PM CDTTornado WarningFGFWalsh47 min
Jul 18, 7:15 PM CDTTornado WarningFGFGriggs, Steele45 min
Jul 18, 7:15 PM CDTTornado WarningFGFGrand Forks45 min
Jul 18, 7:17 PM CDTFlash Flood WarningFGFGrand Forks, Nelson3 hr
Jul 18, 7:42 PM CDTSevere Thunderstorm WarningFGFPembina48 min
Jul 18, 7:55 PM CDTSevere Thunderstorm WarningFGFWalsh50 min
Jul 18, 8:00 PM CDTTornado WarningFGFGriggs, Steele45 min
Jul 18, 8:46 PM CDTSevere Thunderstorm WarningFGFBarnes59 min
Jul 18, 10:47 PM CDTSevere Thunderstorm WarningFGFGrand Forks43 min
Jul 18, 11:28 PM CDTSevere Thunderstorm WarningFGFGrand Forks47 min
Jul 18, 11:47 PM CDTTornado WarningFGFGrand Forks28 min
Jul 19, 12:04 AM CDTSevere Thunderstorm WarningFGFTraill41 min
Jul 19, 12:27 AM CDTTornado WarningFGFTraill33 min
Jul 19, 5:07 AM CDTSevere Thunderstorm WarningFGFRansom23 min
Jul 19, 5:16 AM CDTSevere Thunderstorm WarningFGFRichland44 min
Jul 19, 6:02 AM CDTSevere Thunderstorm WarningFGFCass28 min

Nearby

Tornado Warnings in Minnesota, 2001Tornado 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.