Alert archive / North Dakota / Tornado Warnings in 2015

Tornado Warning 18, NWS Grand Forks, ND

June 27, 2015Grand Forks County, Nelson County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 27, 2015, 4:40 PM CDT for Grand Forks County, Nelson County, North Dakota. It was in force for 50 min. 13 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 27, 2015, 4:40 PM CDT (21:40 UTC)
Expired: Jun 27, 2015, 5:30 PM CDT
In force: 50 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Grand Forks County, ND, Nelson County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 55 km from the middle of the area, began a volume at 21:42 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 27, 5:05 PM CDT	HAIL 2	5 W Gilby, ND	HAIL UP TO HEN EGG SIZED FELL FOR SEVERAL MINUTES ACROSS WHEATFIELD TOWNSHIP.
Jun 27, 5:08 PM CDT	FUNNEL CLOUD	12 Nw Grand Forks Afb, ND	FUNNEL CLOUD REPORTED NORTHWEST OF GFAFB.
Jun 27, 5:08 PM CDT	FUNNEL CLOUD	8 Wnw Grand Forks Afb, ND	FUNNEL CLOUD REPORTED WEST NORTHWEST OF GFAFB.
Jun 27, 5:09 PM CDT	HAIL 0.75	5 E Holmes, ND
Jun 27, 5:22 PM CDT	HAIL 0.88	Grand Forks Afb, ND
Jun 27, 5:26 PM CDT	HAIL 1	Grand Forks Afb, ND
Jun 27, 5:31 PM CDT	HAIL 1.75	Grand Forks Afb, ND
Jun 27, 5:33 PM CDT	FUNNEL CLOUD	2 W Arvilla, ND	REPORTED BY STATE PATROL
Jun 27, 5:33 PM CDT	FUNNEL CLOUD	3 Nw Arvilla, ND	REPORTED BY STATE PATROL
Jun 27, 5:35 PM CDT	HAIL 1.75	Arvilla, ND
Jun 27, 5:38 PM CDT	TORNADO 0	2 W Arvilla, ND	A TORNADO TRACKED FOR ROUGHLY 2 MILES TO ABOUT 1 SSW OF ARVILLA BY 542 PM CDT. THE FUNNEL CLOUD WAS VISIBLE FOR SEVERAL MORE MINUTES AND WAS VIEWED AND PHOTOGRAPHED FROM TURTLE RIVER STATE PARK...LARIMORE...ARVILLA AND FROM VARIOUS LOCATIONS ALONG U.S. HIGHWAY
Jun 27, 5:38 PM CDT	TORNADO 0	2 Wsw Arvilla, ND	A TORNADO TRACKED FOR ROUGHLY 2 MILES TO ABOUT 1 S OF ARVILLA BY 542 PM CDT. THE FUNNEL CLOUD WAS VISIBLE FOR SEVERAL MORE MINUTES AND WAS VIEWED AND PHOTOGRAPHED FROM TURTLE RIVER STATE PARK...LARIMORE...ARVILLA AND FROM VARIOUS LOCATIONS ALONG U.S. HIGHWAY 2
Jun 27, 5:38 PM CDT	TORNADO	1 W Arvilla, ND	TOUCHDOWN REPORTED IN 3400 BLOCK WEST OF ARVILLA.

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 27, 2:42 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.7 hours before the alert went out and 266 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: 17 J/kg
Mixed-layer CIN: -293 J/kg
Mixed-layer LCL: 1820 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

797 
WFUS53 KFGF 272140
TORFGF
NDC035-063-272230-
/O.NEW.KFGF.TO.W.0018.150627T2140Z-150627T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
440 PM CDT SAT JUN 27 2015

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL NELSON COUNTY IN NORTHEASTERN NORTH DAKOTA...
  CENTRAL GRAND FORKS COUNTY IN NORTHEASTERN NORTH DAKOTA...

* UNTIL 530 PM CDT
    
* AT 439 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER ORR...OR 24 MILES SOUTHWEST OF GRAFTON...
  MOVING SOUTHEAST AT 40 MPH.

  HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES. 

* THIS DANGEROUS STORM WILL BE NEAR...
  GILBY AND MCCANNA AROUND 450 PM CDT.
  HONEYFORD AROUND 455 PM CDT.
  LARIMORE AROUND 500 PM CDT.
  ARVILLA AND GRAND FORKS AFB AROUND 505 PM CDT.
  EMERADO AROUND 510 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 4809 9801 4816 9724 4769 9704 4785 9794
TIME...MOT...LOC 2139Z 323DEG 36KT 4812 9770 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

DK

1 follow-up statement

732 
WWUS53 KFGF 272213
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
513 PM CDT SAT JUN 27 2015

NDC063-272222-
/O.CAN.KFGF.TO.W.0018.000000T0000Z-150627T2230Z/
NELSON ND-
513 PM CDT SAT JUN 27 2015

...THE TORNADO WARNING FOR EAST CENTRAL NELSON 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 1000 PM CDT FOR NORTHEASTERN
NORTH DAKOTA.

LAT...LON 4769 9704 4784 9788 4810 9789 4816 9724
TIME...MOT...LOC 2212Z 325DEG 22KT 4799 9760 

$$

NDC035-272230-
/O.CON.KFGF.TO.W.0018.000000T0000Z-150627T2230Z/
GRAND FORKS ND-
513 PM CDT SAT JUN 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL
GRAND FORKS COUNTY...
        
AT 512 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MCCANNA...OR 24 MILES WEST OF GRAND FORKS...MOVING
SOUTHEAST AT 25 MPH. FUNNEL CLOUD WAS OBSERVED NEAR MCCANNA.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  HONEYFORD AROUND 515 PM CDT.
  LARIMORE AROUND 520 PM CDT.
  ARVILLA...EMERADO...GRAND FORKS AFB AND KEMPTON AROUND 530 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 4769 9704 4784 9788 4810 9789 4816 9724
TIME...MOT...LOC 2212Z 325DEG 22KT 4799 9760 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

JK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 3:01 PM CDT	Tornado Warning	FGF	Cavalier, Pembina	44 min
Jun 27, 3:34 PM CDT	Tornado Warning	FGF	Cavalier, Pembina, Walsh	41 min
Jun 27, 4:12 PM CDT	Tornado Warning Tornado observed	FGF	Cavalier, Grand Forks, Nelson, Pembina, Walsh	48 min
Jun 27, 4:37 PM CDT	Tornado Warning	FGF	Grand Forks, Nelson, Steele	38 min
Jun 27, 4:58 PM CDT	Tornado Warning	FGF	Barnes, Cass, Ransom	47 min
Jun 27, 5:03 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Walsh	27 min
Jun 27, 5:10 PM CDT	Tornado Warning	FGF	Grand Forks, Steele	50 min
Jun 27, 5:27 PM CDT	Tornado Warning	FGF	Grand Forks	48 min
Jun 27, 5:39 PM CDT	Tornado Warning	FGF	Grand Forks, Steele, Traill	51 min
Jun 27, 5:42 PM CDT	Tornado Warning	FGF	Barnes, Cass, Ransom	48 min
Jun 27, 6:14 PM CDT	Tornado Warning	FGF	Barnes, Cass, Steele, Traill	46 min
Jun 27, 6:26 PM CDT	Tornado Warning	FGF	Traill	34 min
Jun 27, 6:30 PM CDT	Tornado Warning	FGF	Ransom, Richland, Sargent	45 min
Jun 27, 6:55 PM CDT	Tornado Warning	FGF	Cass, Ransom, Richland	35 min
Jun 27, 6:59 PM CDT	Tornado Warning	FGF	Cass, Traill	12 min

Nearby

Tornado Warnings in North Dakota, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.