Alert archive / North Dakota / Tornado Warnings in 2017

Tornado Warning 15, NWS Grand Forks, ND

June 9, 2017Nelson County, Ramsey County, Walsh County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 9, 2017, 8:15 PM CDT for Nelson County, Ramsey County, Walsh County, North Dakota. It was in force for 45 min. 5 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 9, 2017, 8:15 PM CDT (01:15 UTC)
Expired: Jun 9, 2017, 9:00 PM CDT
In force: 45 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

Counties Nelson County, ND, Ramsey County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 121 km from the middle of the area, began a volume at 01:17 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 9, 8:27 PM CDT	TORNADO	5 E Devils Lake, ND	TOUCHDOWN NOTED BY OBSERVER NEAR VINING OIL...LOOKING NORTH.
Jun 9, 8:28 PM CDT	TSTM WND GST 66	2 S Devils Lake, ND	DVL RWIS
Jun 9, 8:29 PM CDT	TSTM WND GST 58	1 E Crary, ND	PEAK WINDS MEASURED AT THE CRARY NDAWN STATION.
Jun 9, 8:31 PM CDT	TSTM WND GST 59	1 E Crary, ND	PEAK WINDS MEASURED AT THE CRARY NDAWN STATION.
Jun 9, 8:40 PM CDT	HAIL 1.75	3 Sw Brocket, ND	LOTS OF QUARTER TO GOLF BALL SIZED HAIL.

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 9, 4:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.3 hours before the alert went out and 213 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1523 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 2862 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

524 
WFUS53 KFGF 100115
TORFGF
NDC063-071-099-100200-
/O.NEW.KFGF.TO.W.0015.170610T0115Z-170610T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Eastern ND/Grand Forks ND
815 PM CDT FRI JUN 9 2017

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Northwestern Nelson County in northeastern North Dakota...
  Southeastern Ramsey County in northeastern North Dakota...
  Southwestern Walsh County in northeastern North Dakota...

* Until 900 PM CDT.

* At 815 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Devils Lake, moving east at 35 mph.

  HAZARD...Tornado and ping pong ball size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

* This dangerous storm will be near...
  Crary around 830 PM CDT. 
  Southam and Doyon around 835 PM CDT. 
  Bartlett around 845 PM CDT. 
  Lakota and Brocket around 850 PM CDT. 
  Mapes around 900 PM CDT. 

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 4823 9888 4834 9813 4798 9813 4805 9880
      4806 9880 4806 9883 4805 9883 4806 9890
TIME...MOT...LOC 0115Z 268DEG 31KT 4813 9881 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

Knutsvig

3 follow-up statements

608 
WWUS53 KFGF 100122
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
822 PM CDT FRI JUN 9 2017

NDC063-071-099-100200-
/O.CON.KFGF.TO.W.0015.000000T0000Z-170610T0200Z/
Nelson ND-Ramsey ND-Walsh ND-
822 PM CDT FRI JUN 9 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN NELSON...SOUTHEASTERN RAMSEY AND SOUTHWESTERN WALSH
COUNTIES...
    
At 821 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Crary, or near Devils Lake, moving east at 35 mph.

HAZARD...TORNADO and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

This dangerous storm will be near...
  Crary around 830 PM CDT. 
  Southam and Doyon around 835 PM CDT. 
  Bartlett around 845 PM CDT. 
  Lakota and Brocket around 850 PM CDT. 
  Mapes around 900 PM CDT. 

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 4824 9879 4834 9813 4798 9813 4807 9874
      4810 9883
TIME...MOT...LOC 0121Z 268DEG 31KT 4813 9873 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Knutsvig

116 
WWUS53 KFGF 100129
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
829 PM CDT FRI JUN 9 2017

NDC063-071-099-100200-
/O.CON.KFGF.TO.W.0015.000000T0000Z-170610T0200Z/
Nelson ND-Ramsey ND-Walsh ND-
829 PM CDT FRI JUN 9 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN NELSON...SOUTHEASTERN RAMSEY AND SOUTHWESTERN WALSH
COUNTIES...
    
At 828 PM CDT, a confirmed tornado was located over Southam, or 12
miles east of Devils Lake, moving east at 40 mph.

HAZARD...TORNADO and quarter size hail. 

SOURCE...Public reported a tornado 5 miles east of Devils Lake.

IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

This tornado will be near...
  Southam around 830 PM CDT. 
  Doyon around 835 PM CDT. 
  Bartlett around 840 PM CDT. 
  Lakota and Brocket around 845 PM CDT. 

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 4825 9871 4834 9813 4798 9813 4806 9870
      4812 9875
TIME...MOT...LOC 0128Z 268DEG 34KT 4814 9860 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Knutsvig

743 
WWUS53 KFGF 100141
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
841 PM CDT FRI JUN 9 2017

NDC063-071-099-100200-
/O.CON.KFGF.TO.W.0015.000000T0000Z-170610T0200Z/
Nelson ND-Ramsey ND-Walsh ND-
841 PM CDT FRI JUN 9 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN NELSON...SOUTHEASTERN RAMSEY AND SOUTHWESTERN WALSH
COUNTIES...
    
At 840 PM CDT, a confirmed tornado was located near Southam, or 20
miles east of Devils Lake, moving east at 35 mph.

HAZARD...TORNADO and quarter size hail. 

SOURCE...Public confirmed tornado. A report of a tornado 5 miles 
         east of Devils Lake was received at 827 pm CDT.

IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

This tornado will be near...
  Lakota and Brocket around 845 PM CDT. 

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 4822 9849 4827 9813 4801 9813 4806 9850
      4813 9857
TIME...MOT...LOC 0140Z 268DEG 31KT 4814 9844 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Knutsvig

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 7:06 PM CDT	Tornado Warning	FGF	Benson	24 min
Jun 9, 7:08 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Walsh	52 min
Jun 9, 7:29 PM CDT	Tornado Warning Tornado observed	FGF	Benson, Ramsey	46 min
Jun 9, 7:56 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	64 min
Jun 9, 8:16 PM CDT	Tornado Warning	FGF	Eddy, Nelson	44 min
Jun 9, 8:38 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Nelson	38 min
Jun 9, 8:58 PM CDT	Tornado Warning	FGF	Grand Forks, Nelson, Walsh	15 min
Jun 9, 9:00 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele	60 min
Jun 9, 9:31 PM CDT	Tornado Warning	FGF	Barnes, Griggs, Steele	29 min
Jun 9, 9:45 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Ransom	60 min
Jun 9, 10:03 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Steele, Traill	34 min
Jun 9, 10:45 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	36 min
Jun 9, 11:01 PM CDT	Severe Thunderstorm Warning	FGF	Cass	44 min
Jun 9, 11:15 PM CDT	Severe Thunderstorm Warning	FGF	Cass	31 min
Jun 10, 3:42 AM CDT	Special Weather Statement	FGF	Griggs	48 min
Jun 10, 4:08 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Steele, Traill	37 min
Jun 10, 4:45 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Steele, Traill	32 min
Jun 10, 5:01 AM CDT	Special Weather Statement	FGF	Benson, Eddy	29 min
Jun 10, 5:40 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Eddy, Grand Forks, Nelson, Ramsey and 2 more	50 min
Jun 10, 6:07 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Grand Forks, Nelson, Pembina, Walsh	38 min
Jun 10, 6:42 AM CDT	Special Weather Statement	FGF	Grand Forks	33 min
Jun 10, 6:49 AM CDT	Special Weather Statement	FGF	Nelson	41 min
Jun 10, 7:26 AM CDT	Special Weather Statement	FGF	Grand Forks	49 min

Nearby

Tornado Warnings in North Dakota, 2017 Every tornado warning in 2017 Tornadoes 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.