Alert archive / North Dakota / Tornado Warnings in 2004
Tornado Warning 25, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 11, 2004, 6:59 PM CDT for Griggs 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 as issued, with what was reported inside it.
The facts
- Issued
- Jun 11, 2004, 6:59 PM CDT (23:59 UTC)
- Expired
- Jun 11, 2004, 7:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Griggs County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 68 km from the middle of the area, began a volume at 00:01 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 |
|---|---|---|---|
| Jun 11, 7:05 PM CDT | HAIL 0.75 | 6 Ne Hannaford, ND | |
| Jun 11, 7:05 PM CDT | HAIL 1 | Hannaford, ND |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 11, 6:40 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 12.0 hours before the alert went out and 201 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- -76 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
241 WFUS53 KFGF 112359 TORFGF NDC039-120030- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 659 PM CDT FRI JUN 11 2004 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA * UNTIL 730 PM CDT. * AT 652 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 2 MILES SOUTHEAST OF WALUM...OR ABOUT 24 MILES NORTH OF VALLEY CITY...MOVING TO THE NORTH AT 35 MPH. * THE TORNADO WILL BE NEAR... COOPERSTOWN AT 710 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 4724 9828 4723 9803 4749 9799 4749 9836 $$ VOELKER/04
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 5:51 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 39 min |
| Jun 11, 6:23 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 52 min |
| Jun 11, 6:27 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 48 min |
| Jun 11, 6:40 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 50 min |
| Jun 11, 6:51 PM CDT | Tornado Warning | FGF | Barnes | 24 min |
Nearby
Tornado 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.