Alert archive / North Dakota / Tornado Warnings in 2009
Tornado Warning 10, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 26, 2009, 5:32 PM CDT for Grand Forks County, Nelson County, North Dakota. It was in force for 58 min. 3 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 26, 2009, 5:32 PM CDT (22:32 UTC)
- Expired
- Jun 26, 2009, 6:30 PM CDT
- In force
- 58 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
Counties Grand Forks County, ND, Nelson County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 82 km from the middle of the area, began a volume at 22:35 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 26, 5:32 PM CDT | TORNADO 0 | 1 Nw Michigan, ND | A TORNADO TRACKED FOR ABOUT 3 MILES TO NEAR 3 NE MICHIGAN BY 539 PM CDT. THE TORNADO REMAINED OVER MAINLY OPEN FIELDS AND RANGELAND. MAXIMUM WIDTH ESTIMATED AT 100 YARDS. PEAK WINDS ETIMATED TO 80 MPH. |
| Jun 26, 5:32 PM CDT | TORNADO | 1 Nw Michigan, ND | |
| Jun 26, 6:30 PM CDT | HAIL 1 | 4 Ne Michigan, 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 26, 2:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.5 hours before the alert went out and 250 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
- 783 J/kg
- Mixed-layer CIN
- -269 J/kg
- Mixed-layer LCL
- 1257 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 262232 TORFGF NDC035-063-262330- /O.NEW.KFGF.TO.W.0010.090626T2232Z-090626T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 532 PM CDT FRI JUN 26 2009 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA... NORTHEASTERN NELSON COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL 630 PM CDT * AT 532 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES NORTHWEST OF MICHIGAN...OR 33 MILES EAST OF DEVILS LAKE...MOVING TO THE NORTHEAST AT 5 MPH. * THE TORNADO WILL BE NEAR... MICHIGAN AT 540 PM CDT... 6 MILES NORTHWEST OF PETERSBURG AT 615 PM CDT... WHITMAN AT 625 PM CDT... 7 MILES SOUTHWEST OF DAHLEN AT 630 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 1000 PM CDT FRIDAY EVENING FOR NORTHEAST NORTH DAKOTA. && LAT...LON 4819 9788 4800 9776 4797 9826 4815 9834 TIME...MOT...LOC 2232Z 236DEG 6KT 4805 9816 $$ JK
1 follow-up statement
000 WWUS53 KFGF 262251 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 551 PM CDT FRI JUN 26 2009 NDC035-063-262330- /O.CON.KFGF.TO.W.0010.000000T0000Z-090626T2330Z/ GRAND FORKS ND-NELSON ND- 551 PM CDT FRI JUN 26 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR NORTHWESTERN GRAND FORKS AND NORTHEASTERN NELSON COUNTIES... AT 551 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 5 MILES NORTHEAST OF MICHIGAN...OR 37 MILES EAST OF DEVILS LAKE... MOVING TO THE NORTHEAST AT 15 MPH. * THE TORNADO WILL BE NEAR... DAHLEN BY 625 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING FOR NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA. && LAT...LON 4814 9830 4819 9788 4800 9776 4797 9826 TIME...MOT...LOC 2252Z 238DEG 11KT 4809 9807 $$ DK
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 4:22 AM CDT | Flash Flood Watch | FGF | Benson, Cavalier, Eddy, Nelson, Pembina, Ramsey and 2 more | 24 hr |
| Jun 26, 12:20 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey, Towner | 40 min |
| Jun 26, 2:55 PM CDT | Special Weather Statement | FGF | Towner | 50 min |
| Jun 26, 5:15 PM CDT | Severe Thunderstorm Warning | FGF | Nelson, Walsh | 60 min |
| Jun 26, 5:22 PM CDT | Tornado Warning | FGF | Benson | 53 min |
| Jun 26, 5:44 PM CDT | Flash Flood Warning | FGF | Cavalier, Towner | 13 hr |
| Jun 26, 5:56 PM CDT | Tornado Warning | FGF | Pembina, Walsh | 64 min |
| Jun 26, 6:05 PM CDT | Flash Flood Warning | FGF | Nelson, Walsh | 14 hr |
| Jun 26, 6:10 PM CDT | Tornado Warning | FGF | Grand Forks, Nelson | 65 min |
| Jun 26, 6:25 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Pembina, Walsh | 65 min |
| Jun 26, 6:46 PM CDT | Tornado Warning | FGF | Grand Forks | 59 min |
| Jun 26, 6:55 PM CDT | Tornado Warning | FGF | Grand Forks, Walsh | 65 min |
Nearby
Tornado Warnings in North Dakota, 2009Every tornado warning in 2009Tornadoes in 2009
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.