Alert archive / Minnesota / Tornado Warnings in 2017
Tornado Warning 9, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 7, 2017, 1:56 PM CDT for Polk County, Minnesota; Grand Forks County, North Dakota. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 7, 2017, 1:56 PM CDT (18:56 UTC)
- Expired
- Jun 7, 2017, 2:31 PM CDT
- In force
- 35 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Polk County, MN, Grand Forks County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 37 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.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 6.9 hours before the alert went out and 292 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.
898 WFUS53 KFGF 071856 TORFGF MNC119-NDC035-071945- /O.NEW.KFGF.TO.W.0009.170607T1856Z-170607T1945Z/ BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service Eastern ND/Grand Forks ND 156 PM CDT WED JUN 7 2017 The National Weather Service in Grand Forks has issued a * Tornado Warning for... West central Polk County in northwestern Minnesota... Southeastern Grand Forks County in northeastern North Dakota... * Until 245 PM CDT. * At 153 PM CDT, a severe thunderstorm capable of producing a tornado was located over Emerado, or 12 miles west of Grand Forks, moving east at 15 mph. Another severe thunderstorm capable of producing a tornado was located 10 miles northwest of Thompson moving east at 15 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Expect damage to mobile homes, roofs, and vehicles. * This dangerous storm will be near... Grand Forks, Thompson and East Grand Forks around 245 PM CDT. This includes Interstate 29 between mile markers 131 and 144. 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 4774 9730 4793 9744 4800 9693 4781 9688 TIME...MOT...LOC 1853Z 272DEG 11KT 4789 9735 TORNADO...RADAR INDICATED HAIL...<.75IN $$ Voelker
2 follow-up statements
702
WWUS53 KFGF 071919
SVSFGF
Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
219 PM CDT WED JUN 7 2017
MNC119-NDC035-071945-
/O.CON.KFGF.TO.W.0009.000000T0000Z-170607T1945Z/
Polk MN-Grand Forks ND-
219 PM CDT WED JUN 7 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR WEST
CENTRAL POLK AND SOUTHEASTERN GRAND FORKS COUNTIES...
At 219 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Bygland, or 8 miles south of Grand Forks, moving
northeast at 25 mph.
HAZARD...TORNADO.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
This dangerous storm will be near...
Bygland around 225 PM CDT.
Mallory around 235 PM CDT.
This includes Interstate 29 between mile markers 131 and 135.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4777 9712 4783 9714 4789 9690 4781 9688
TIME...MOT...LOC 1919Z 244DEG 23KT 4781 9701
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Voelker790
WWUS53 KFGF 071931 RRA
SVSFGF
Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
231 PM CDT WED JUN 7 2017
MNC119-NDC035-071941-
/O.CAN.KFGF.TO.W.0009.000000T0000Z-170607T1945Z/
Polk MN-Grand Forks ND-
231 PM CDT WED JUN 7 2017
...THE TORNADO WARNING FOR WEST CENTRAL POLK AND SOUTHEASTERN GRAND
FORKS COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited 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 4777 9712 4783 9714 4789 9690 4781 9688
TIME...MOT...LOC 1929Z 272DEG 11KT 4781 9695
$$
VoelkerThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 1:58 PM CDT | Tornado Warning | FGF | Marshall | 47 min |
| Jun 7, 2:13 PM CDT | Tornado Warning | FGF | Norman, Polk | 47 min |
| Jun 7, 2:39 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 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 |
| 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 |
Nearby
Tornado Warnings in Minnesota, 2017Tornado 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.