Alert archive / North Dakota / Tornado Warnings in 2017
Tornado Warning 10, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 7, 2017, 1:58 PM CDT for Grand Forks County, Walsh County, North Dakota; Marshall County, Minnesota. It was in force for 47 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 7, 2017, 1:58 PM CDT (18:58 UTC)
- Expired
- Jun 7, 2017, 2:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
Counties Marshall County, MN, Grand Forks County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 80 km from the middle of the area, began a volume at 18:57 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 7, 2:00 PM CDT | TSTM WND DMG | 1 W Ardoch, ND | NUMEROUS POPLAR TREES BROKEN DOWN IN SHELTER BELTS WEST OF TOWN. |
| Jun 7, 2:10 PM CDT | TSTM WND DMG | 3 Ese Warsaw, ND | NUMEROUS POPLAR TREES WERE SNAPPED IN SHELTER BELTS AND FARM YARDS ACROSS EASTERN WALSHVILLE AND PULASKI TOWNSHIPS. |
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 12:00Z, 7.0 hours before the alert went out and 288 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
- 2122 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
409
WFUS53 KFGF 071858
TORFGF
MNC089-NDC035-099-071945-
/O.NEW.KFGF.TO.W.0010.170607T1858Z-170607T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Eastern ND/Grand Forks ND
158 PM CDT WED JUN 7 2017
The National Weather Service in Grand Forks has issued a
* Tornado Warning for...
Southwestern Marshall County in northwestern Minnesota...
Northeastern Grand Forks County in northeastern North Dakota...
Southeastern Walsh County in northeastern North Dakota...
* Until 245 PM CDT.
* At 158 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Poland, or 14 miles southeast of Grafton, moving
northeast at 30 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
* This dangerous storm will be near...
Oslo around 200 PM CDT.
Big Woods around 210 PM CDT.
This includes Interstate 29 between mile markers 159 and 174.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4842 9714 4818 9701 4817 9708 4817 9714
4816 9715 4814 9734 4824 9741
TIME...MOT...LOC 1858Z 236DEG 26KT 4824 9722
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
Gust2 follow-up statements
593
WWUS53 KFGF 071918
SVSFGF
Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
218 PM CDT WED JUN 7 2017
NDC035-071927-
/O.CAN.KFGF.TO.W.0010.000000T0000Z-170607T1945Z/
Grand Forks ND-
218 PM CDT WED JUN 7 2017
...THE TORNADO WARNING FOR NORTHEASTERN GRAND FORKS COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 600 PM CDT for northwestern
Minnesota...and northeastern North Dakota.
LAT...LON 4842 9714 4818 9701 4817 9707 4817 9714
4818 9714 4818 9715 4819 9714 4819 9720
4830 9732
TIME...MOT...LOC 1917Z 236DEG 26KT 4832 9705
$$
MNC089-NDC099-071945-
/O.CON.KFGF.TO.W.0010.000000T0000Z-170607T1945Z/
Marshall MN-Walsh ND-
218 PM CDT WED JUN 7 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR
SOUTHWESTERN MARSHALL AND SOUTHEASTERN WALSH COUNTIES...
At 217 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Big Woods, or 17 miles east of Grafton, moving
northeast at 30 mph.
HAZARD...TORNADO and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
This tornadic thunderstorm will remain over mainly rural areas of
southwestern Marshall and southeastern Walsh Counties.
This includes Interstate 29 between mile markers 161 and 174.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4842 9714 4818 9701 4817 9707 4817 9714
4818 9714 4818 9715 4819 9714 4819 9720
4830 9732
TIME...MOT...LOC 1917Z 236DEG 26KT 4832 9705
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
Gust016
WWUS53 KFGF 071931
SVSFGF
Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
231 PM CDT WED JUN 7 2017
MNC089-NDC099-071945-
/O.CON.KFGF.TO.W.0010.000000T0000Z-170607T1945Z/
Marshall MN-Walsh ND-
231 PM CDT WED JUN 7 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR WEST
CENTRAL MARSHALL AND EAST CENTRAL WALSH COUNTIES...
At 230 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Stephen, or 22 miles east of Grafton, moving
northeast at 30 mph.
HAZARD...TORNADO and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
Locations impacted include...
Warsaw and Big Woods.
This includes Interstate 29 between mile markers 164 and 174.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4823 9704 4822 9713 4824 9719 4830 9732
4842 9714
TIME...MOT...LOC 1930Z 236DEG 26KT 4838 9693
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
GustThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 11:48 AM CDT | Special Weather Statement | FGF | Walsh | 57 min |
| Jun 7, 12:29 PM CDT | Special Weather Statement | FGF | Walsh | 61 min |
| Jun 7, 1:02 PM CDT | Tornado Warning | FGF | Grand Forks | 43 min |
| Jun 7, 1:05 PM CDT | Tornado Warning | FGF | Grand Forks, Traill | 25 min |
| Jun 7, 1:11 PM CDT | Tornado Warning | FGF | Grand Forks | 49 min |
| Jun 7, 1:29 PM CDT | Tornado Warning | FGF | Grand Forks, Traill | 46 min |
| Jun 7, 1:44 PM CDT | Tornado Warning | FGF | Grand Forks | 30 min |
| Jun 7, 1:56 PM CDT | Tornado Warning | FGF | Grand Forks | 35 min |
| Jun 7, 2:13 PM CDT | Tornado Warning | FGF | Grand Forks, Traill | 47 min |
| Jun 7, 2:39 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 20 min |
| Jun 7, 2:57 PM CDT | Special Weather Statement | FGF | Polk | 63 min |
| Jun 7, 3:41 PM CDT | Special Weather Statement | FGF | Pennington, Polk, Red Lake | 64 min |
| Jun 7, 4:28 PM CDT | Special Weather Statement | FGF | Clearwater | 32 min |
| Jun 7, 5:07 PM CDT | Special Weather Statement | FGF | Clearwater | 23 min |
| Jun 7, 6:00 PM CDT | Special Weather Statement | FGF | Clearwater | 60 min |
Nearby
Tornado Warnings in North Dakota, 2017Tornado Warnings in Minnesota, 2017Every tornado warning in 2017Tornadoes in 2017
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.