Alert archive / North Dakota / Tornado Warnings in 2006
Tornado Warning 39, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 12, 2006, 3:06 PM CDT for Cavalier County, Pembina County, North Dakota. It was in force for 54 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 12, 2006, 3:06 PM CDT (20:06 UTC)
- Expired
- Aug 12, 2006, 4:00 PM CDT
- In force
- 54 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Cavalier County, ND, Pembina County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 135 km from the middle of the area, began a volume at 20:10 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 12, 3:15 PM CDT | TSTM WND GST 60 | 1 E Nekoma, 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 |
|---|---|---|---|
| Aug 12, 2:56 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 8.1 hours before the alert went out and 354 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
- 3 J/kg
- Mixed-layer CIN
- -325 J/kg
- Mixed-layer LCL
- 751 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 122006 TORFGF NDC019-067-122100- /O.NEW.KFGF.TO.W.0039.060812T2006Z-060812T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 306 PM CDT SAT AUG 12 2006 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA SOUTHWESTERN PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA * UNTIL 400 PM CDT * AT 301 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 3 MILES EAST OF NEKOMA...OR 13 MILES SOUTH OF LANGDON...MOVING TO THE EAST AT 20 MPH. * THE TORNADO WILL BE NEAR... MILTON AT 335 PM CDT GARDAR AT 355 PM CDT 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 SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4864 9835 4856 9836 4856 9774 4871 9776 $$ JCA/WJB
2 follow-up statements
000 WWUS53 KFGF 122034 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 334 PM CDT SAT AUG 12 2006 NDC019-122044- /O.CAN.KFGF.TO.W.0039.000000T0000Z-060812T2100Z/ CAVALIER ND- 334 PM CDT SAT AUG 12 2006 ...THE TORNADO WARNING FOR CAVALIER COUNTY IS CANCELLED... A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4866 9790 4856 9791 4856 9764 4867 9766 $$ NDC067-122100- /O.CON.KFGF.TO.W.0039.000000T0000Z-060812T2100Z/ PEMBINA ND- 334 PM CDT SAT AUG 12 2006 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR SOUTHWESTERN PEMBINA COUNTY... AT 331 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION. THE TORNADO WAS LOCATED NEAR UNION...OR 24 MILES SOUTHEAST OF LANGDON...MOVING TO THE EAST AT 20 MPH. * THE TORNADO WILL BE NEAR... GARDAR BY 340 PM CDT CRYSTAL BY 400 PM CDT 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 SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4866 9790 4856 9791 4856 9764 4867 9766 $$ JCA/WJB
000 WWUS53 KFGF 122053 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 353 PM CDT SAT AUG 12 2006 NDC067-122103- /O.EXP.KFGF.TO.W.0039.000000T0000Z-060812T2100Z/ PEMBINA ND- 353 PM CDT SAT AUG 12 2006 ...THE TORNADO WARNING FOR SOUTHWESTERN PEMBINA COUNTY WILL EXPIRE AT 400 PM CDT... DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND SO THE WARNING WILL BE ALLOWED TO EXPIRE AT 400 PM CDT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4866 9790 4856 9791 4856 9764 4867 9766 $$ JCA/WJB
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 1:51 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 54 min |
| Aug 12, 1:36 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 54 min |
| Aug 12, 2:18 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 57 min |
| Aug 12, 2:33 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 57 min |
| Aug 12, 2:57 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 63 min |
| Aug 12, 3:13 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 47 min |
| Aug 12, 3:26 PM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 64 min |
| Aug 12, 3:30 PM CDT | Tornado Warning | FGF | Ramsey | 30 min |
| Aug 12, 3:57 PM CDT | Tornado Warning | FGF | Nelson | 17 min |
| Aug 12, 4:00 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 60 min |
| Aug 12, 4:15 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 41 min |
| Aug 12, 4:29 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 34 min |
Nearby
Tornado Warnings in North Dakota, 2006Every tornado warning in 2006Tornadoes in 2006
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.