Alert archive / North Dakota / Tornado Warnings in 2008
Tornado Warning 52, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 16, 2008, 7:07 PM CDT for Cavalier County, Pembina County, North Dakota. It was in force for 38 min. 8 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
- Jul 16, 2008, 7:07 PM CDT (00:07 UTC)
- Expired
- Jul 16, 2008, 7:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
Counties Cavalier County, ND, Pembina County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 161 km from the middle of the area, began a volume at 00:06 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 |
|---|---|---|---|
| Jul 16, 7:16 PM CDT | FUNNEL CLOUD | 1 Ne Walhalla, ND | |
| Jul 16, 7:28 PM CDT | HAIL 1 | 3 Ene Leroy, ND | |
| Jul 16, 7:30 PM CDT | HAIL 1 | 3 Ene Leroy, ND | |
| Jul 16, 7:34 PM CDT | FUNNEL CLOUD | 4 Se Leroy, ND | PERSISTENT WALL CLOUD AND FUNNEL. |
| Jul 16, 7:34 PM CDT | TORNADO 0 | 4 Se Leroy, ND | BRIEF TOUCHDOWN NOTED IN OPEN FIELD. |
| Jul 16, 7:44 PM CDT | HAIL 0.88 | Backoo, ND | |
| Jul 16, 7:51 PM CDT | HAIL 1.75 | 5 N Cavalier, ND | |
| Jul 16, 7:51 PM CDT | HAIL 1.75 | Backoo, ND |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 0.1 hours before the alert went out and 328 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
- 49 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 795 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 170007 TORFGF NDC019-067-170045- /O.NEW.KFGF.TO.W.0052.080717T0007Z-080717T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 707 PM CDT WED JUL 16 2008 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA... NORTHWESTERN PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL 745 PM CDT * AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES NORTHEAST OF VANG...OR 22 MILES NORTHEAST OF LANGDON...MOVING TO THE EAST SOUTHEAST AT 25 MPH. * THE TORNADO WILL BE NEAR... WALHALLA AT 715 PM CDT... LEROY AT 735 PM CDT... 6 MILES NORTH OF BACKOO AT 740 PM CDT... 7 MILES SOUTHWEST OF NECHE AT 745 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4900 9735 4880 9764 4894 9820 4901 9814 TIME...MOT...LOC 0006Z 285DEG 22KT 4897 9800 $$ SPEICHER
1 follow-up statement
000
WWUS53 KFGF 170036
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
736 PM CDT WED JUL 16 2008
NDC019-170046-
/O.CAN.KFGF.TO.W.0052.000000T0000Z-080717T0045Z/
CAVALIER ND-
736 PM CDT WED JUL 16 2008
...THE TORNADO WARNING FOR NORTHEASTERN CAVALIER COUNTY IS
CANCELLED...
AT 736 PM CDT...TORNADO MOVED OUT OF THE WARNED AREA IN NORTHEASTERN
CAVALIER COUNTY. SO THE WARNING HAS BEEN CANCELLED.
LAT...LON 4900 9735 4880 9764 4888 9795 4889 9795
4901 9795 4901 9794
TIME...MOT...LOC 0036Z 292DEG 29KT 4889 9764
$$
NDC067-170045-
/O.CON.KFGF.TO.W.0052.000000T0000Z-080717T0045Z/
PEMBINA ND-
736 PM CDT WED JUL 16 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHWESTERN PEMBINA COUNTY...
AT 734 PM CDT...LAW ENFORCEMENT REPORTED A FUNNEL CLOUD. THE FUNNEL
CLOUD WAS LOCATED 4 MILES SOUTHEAST OF LEROY...OR 33 MILES EAST OF
LANGDON...MOVING TO THE EAST AT 33 MPH.
IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.
LAT...LON 4900 9735 4880 9764 4888 9795 4889 9795
4901 9795 4901 9794
TIME...MOT...LOC 0036Z 292DEG 29KT 4889 9764
$$
PJS/TGThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 7:16 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 59 min |
| Jul 16, 7:28 PM CDT | Tornado Warning | FGF | Cavalier | 47 min |
| Jul 16, 7:38 PM CDT | Tornado Warning | FGF | Pembina | 67 min |
| Jul 16, 8:07 PM CDT | Tornado Warning | FGF | Cavalier | 19 min |
| Jul 16, 8:39 PM CDT | Tornado Warning | FGF | Pembina, Walsh | 51 min |
Nearby
Tornado Warnings in North Dakota, 2008Every tornado warning in 2008Tornadoes in 2008
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.