Alert archive / North Dakota / Tornado Warnings in 2004

Tornado Warning 27, NWS Grand Forks, ND

June 23, 2004Grand Forks County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 23, 2004, 11:07 AM CDT for Grand Forks County, North Dakota. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 23, 2004, 11:07 AM CDT (16:07 UTC)
Expired: Jun 23, 2004, 11:45 AM CDT
In force: 38 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 26 km from the middle of the area, began a volume at 16:10 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 4.1 hours before the alert went out and 284 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1135 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 177 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 231607
TORFGF
NDC035-231645-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1107 AM CDT WED JUN 23 2004

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  SOUTHEASTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 1145 AM CDT.

* AT 1101 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 3 MILES NORTH OF HOLMES...
  OR ABOUT 14 MILES SOUTHWEST OF GRAND FORKS...MOVING TO THE
  SOUTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...

  THOMPSON AT 1110 AM.

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 4786 9725 4771 9740 4767 9732 4768 9690

$$
GV/JH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 9:17 AM CDT	Severe Thunderstorm Warning	FGF	Walsh	43 min
Jun 23, 9:47 AM CDT	Severe Thunderstorm Warning	FGF	Nelson	28 min
Jun 23, 9:56 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	49 min
Jun 23, 9:57 AM CDT	Severe Thunderstorm Warning	FGF	Pembina	48 min
Jun 23, 10:04 AM CDT	Severe Thunderstorm Warning	FGF	Walsh	41 min
Jun 23, 10:16 AM CDT	Severe Thunderstorm Warning	FGF	Nelson	44 min
Jun 23, 10:46 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	44 min
Jun 23, 11:02 AM CDT	Severe Thunderstorm Warning	FGF	Steele, Traill	43 min
Jun 23, 11:48 AM CDT	Severe Thunderstorm Warning	FGF	Traill	42 min

Nearby

Tornado Warnings in North Dakota, 2004 Every tornado warning in 2004 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.