Alert archive / Minnesota / Tornado Warnings in 2004

Tornado Warning 53, NWS Grand Forks, ND

August 8, 2004Kittson County, Minnesota; Pembina County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Aug 8, 2004, 5:29 PM CDT for Kittson County, Minnesota; Pembina County, North Dakota. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 8, 2004, 5:29 PM CDT (22:29 UTC)
Expired
Aug 8, 2004, 6:15 PM CDT
In force
46 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

Counties Kittson County, MN, Pembina County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 143 km from the middle of the area, began a volume at 22:30 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 8, 6:13 PM CDTTORNADO1 Nw Kennedy, MNBRIEF TORNADO REPORTED MOVING TOWARDS TOWN OF KENNEDY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 8, 12:55 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 8, 4:35 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 10.5 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 12:00Z on 2004-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2004-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 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
487 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
43 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 082229
TORFGF
MNC069-NDC067-082315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
528 PM CDT SUN AUG 8 2004

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  WESTERN KITTSON COUNTY IN NORTHWEST MINNESOTA
  EASTERN PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 615 PM CDT.

* AT 526 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 6 MILES NORTH OF
  MATTSON...OR ABOUT 28 MILES NORTHEAST OF GRAFTON...MOVING TO THE   
  SOUTHEAST AT 5 MPH. THIS WARNING REPLACES THE PREVIOUS WARNING FOR
  PEMBINA AND KITTSON COUNTIES.

* THE TORNADO WILL BE NEAR...

  ST. THOMAS AT 540 PM...
  BOWESMONT AT 555 PM...
  HALLOCK AT 600 PM AND
  MATTSON AT 610 PM.

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

LAT...LON 4898 9701 4898 9749 4856 9762 4857 9681

$$

TJG/PAB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 3:43 PM CDTTornado WarningFGFKittson, Roseau47 min
Aug 8, 4:02 PM CDTSevere Thunderstorm WarningFGFBecker, Clay43 min
Aug 8, 4:16 PM CDTSevere Thunderstorm WarningFGFMahnomen, Norman44 min
Aug 8, 4:48 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Pennington, Polk42 min
Aug 8, 4:58 PM CDTTornado WarningFGFKittson32 min
Aug 8, 4:59 PM CDTSevere Thunderstorm WarningFGFMahnomen16 min
Aug 8, 5:47 PM CDTSevere Thunderstorm WarningFGFBeltrami58 min
Aug 8, 6:08 PM CDTFlash Flood WarningFGFKittson12 hr
Aug 8, 6:14 PM CDTTornado WarningFGFKittson61 min
Aug 8, 6:22 PM CDTTornado WarningFGFBeltrami38 min
Aug 8, 6:25 PM CDTSevere Thunderstorm WarningFGFRed Lake50 min
Aug 8, 3:34 PM CDTSevere Thunderstorm WarningFGFEddy, Griggs41 min
Aug 8, 4:09 PM CDTTornado WarningFGFPembina51 min
Aug 8, 5:23 PM CDTSevere Thunderstorm WarningFGFWalsh52 min

Nearby

Tornado Warnings in Minnesota, 2004Tornado Warnings in North Dakota, 2004Every tornado warning in 2004Tornadoes in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.