Alert archive / North Dakota / Tornado Warnings in 2017
Tornado Warning 5, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 7, 2017, 1:05 PM CDT for Grand Forks County, Traill County, North Dakota. It was in force for 25 min. 4 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, 1:05 PM CDT (18:05 UTC)
- Expired
- Jun 7, 2017, 1:30 PM CDT
- In force
- 25 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
Counties Grand Forks County, ND, Traill County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 7 km from the middle of the area, began a volume at 18:08 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, 1:13 PM CDT | TORNADO 0 | 2 Nw Mayville, ND | A TORNADO TOUCHED DOWN AND TRACKED FOR AROUND 1.5 MILES TO ABOUT 3 MILES NORTH OF MAYVILLE BY 118 PM CDT. THIS TORNADO WAS VIEWED BY LOCAL RESIDENTS AND THE TOUCHDOWN WAS PHOTOGRAPHED BY OBSERVERS ON I-29, MORE THAN 11 MILES DUE EAST OF THE TOUCHDOWN LOCATION. |
| Jun 7, 1:23 PM CDT | TORNADO 0 | 3 Sw Holmes, ND | THIS TORNADO TRACKED TO THE NORTHEAST FOR ABOUT 2 MILES TO AROUND 1 SSW OF HOLMES BY 130 PM CDT. NO SIGNIFICANT DAMAGE WAS DETECTED. PEAK WINDS ESTIMATED TO 75 MPH. MAXIMUM WIDTH ESTIMATED TO 75 YARDS. |
| Jun 7, 1:25 PM CDT | FUNNEL CLOUD | 6 Se Hatton, ND | |
| Jun 7, 1:27 PM CDT | TORNADO | 4 Nne Portland, ND | BRIEF TOUCHDOWN NOTED NEAR PORTLAND JUNCTION. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 6.1 hours before the alert went out and 271 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
- 1440 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
850 WFUS53 KFGF 071805 TORFGF NDC035-097-071830- /O.NEW.KFGF.TO.W.0005.170607T1805Z-170607T1830Z/ BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service Eastern ND/Grand Forks ND 105 PM CDT WED JUN 7 2017 The National Weather Service in Grand Forks has issued a * Tornado Warning for... Southeastern Grand Forks County in northeastern North Dakota... Northwestern Traill County in southeastern North Dakota... * Until 130 PM CDT. * At 104 PM CDT, a confirmed tornado was located near Hatton, or 26 miles southwest of Grand Forks, and is nearly stationary. HAZARD...Tornado. SOURCE...Weather spotters confirmed tornado. IMPACT...Expect damage to mobile homes, roofs, and vehicles. * This tornadic thunderstorm will remain over mainly rural areas of southeastern Grand Forks and northwestern Traill Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Grand Forks. && LAT...LON 4751 9737 4766 9746 4773 9723 4756 9716 TIME...MOT...LOC 1804Z 247DEG 3KT 4759 9735 TORNADO...OBSERVED HAIL...<.75IN $$ voelker
1 follow-up statement
558
WWUS53 KFGF 071820
SVSFGF
Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
120 PM CDT WED JUN 7 2017
NDC035-097-071830-
/O.CON.KFGF.TO.W.0005.000000T0000Z-170607T1830Z/
Grand Forks ND-Traill ND-
120 PM CDT WED JUN 7 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR
SOUTHEASTERN GRAND FORKS AND NORTHWESTERN TRAILL COUNTIES...
At 118 PM CDT, a confirmed tornado was located on county road 14
north of Mayville, or 25 miles southwest of Grand Forks, and is
moving east at 10 mph.
HAZARD...TORNADO.
SOURCE...Weather spotters confirmed tornado.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4752 9734 4767 9744 4773 9723 4756 9716
TIME...MOT...LOC 1818Z 247DEG 3KT 4759 9733
TORNADO...OBSERVED
HAIL...<.75IN
$$
VoelkerThe 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, 1:11 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, 1:58 PM CDT | Tornado Warning | FGF | Grand Forks, Walsh | 47 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 |
Nearby
Tornado Warnings in North Dakota, 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.