Alert archive / North Dakota / Tornado Warnings in 2015

Tornado Warning 21, NWS Grand Forks, ND

June 27, 2015Grand Forks County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 27, 2015, 5:27 PM CDT for Grand Forks County, North Dakota. It was in force for 48 min. 17 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, 5:27 PM CDT (22:27 UTC)
Expired: Jun 27, 2015, 6:15 PM CDT
In force: 48 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

County Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 46 km from the middle of the area, began a volume at 22:26 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, 5:31 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, 5:37 PM CDT	HAIL 3	3 N Northwood, 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.
Jun 27, 5:42 PM CDT	TORNADO	2 Ese Arvilla, ND	MULTIPLE REPORTS OF TORNADO AS VIEWED FROM LARILORE AND EMERADO.
Jun 27, 5:44 PM CDT	HAIL 1.75	3 Ene Arvilla, ND
Jun 27, 6:01 PM CDT	TORNADO 2	6 Ne Hatton, ND	DEBRIS INDICATED ON RADAR. SPOTTER REPORTED FUNNEL AS VIEWED FROM HATTON... BUT COULDNT SEE THE GROUND AREA. THETRONADO TRACKED FOR A MILE OR 2 TO THE SOUTH AND LIFTED AROUND 606 PM CDT. THE TORNADO SNAPPED NUMEROUS TREES IN SHELTERBELTS AND PARTIALLY DEBARKED
Jun 27, 6:02 PM CDT	TORNADO 2	4 W Holmes, ND	DEBRIS INDICATED ON RADAR. SPOTTERS REPORTED FUNNEL AS VIEWED FROM HATTON AND FROM HOLMES. THE TORNADO TRACKED SOUTH SOUTHEAST FOR NEARLY 3 MILES AND LIFTED BY 615 PM CDT. THE TORNADO SNAPPED NUMEROUS TREES IN SHELTERBELTS AND PARTIALLY DEBARKED OTHERS. PEAK W
Jun 27, 6:08 PM CDT	FUNNEL CLOUD	8 Wnw Grand Forks Afb, ND	FUNNEL CLOUD REPORTED WEST NORTHWEST OF GFAFB.
Jun 27, 6:08 PM CDT	TORNADO	5 Ne Hatton, ND	DEBRIS INDICATED ON RADAR. SPOTTER REPORTS FUNNEL AS VIEWED FROM HATTON... BUT CANT SEE THE GROUND AREA.
Jun 27, 6:09 PM CDT	HAIL 0.75	5 E Holmes, ND
Jun 27, 6:10 PM CDT	HAIL 1.75	Holmes, ND
Jun 27, 6:15 PM CDT	HAIL 1	4 N Holmes, ND	QUARTER SIZE HAIL CURRENTLY FALLING AT INTERSECTION OF COUNTY ROAD 15 AND 13 IN GRAND FORKS COUNTY.

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, 10.5 hours before the alert went out and 272 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.

119 
WFUS53 KFGF 272227
TORFGF
NDC035-272315-
/O.NEW.KFGF.TO.W.0021.150627T2227Z-150627T2315Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

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

* UNTIL 615 PM CDT
    
* AT 526 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR ARVILLA...OR 22 MILES WEST OF GRAND
  FORKS...MOVING SOUTHEAST AT 30 MPH.

  HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  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...
  ARVILLA AND EMERADO AROUND 535 PM CDT.
  KEMPTON AROUND 540 PM CDT.
  NORTHWOOD AROUND 555 PM CDT.
  HOLMES AROUND 610 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 4808 9775 4809 9739 4768 9713 4769 9758
TIME...MOT...LOC 2226Z 335DEG 22KT 4794 9755 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

JK

2 follow-up statements

358 
WWUS53 KFGF 272247
SVSFGF

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

NDC035-272315-
/O.CON.KFGF.TO.W.0021.000000T0000Z-150627T2315Z/
GRAND FORKS ND-
547 PM CDT SAT JUN 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
SOUTHWESTERN GRAND FORKS COUNTY...
    
AT 546 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR ARVILLA...OR 20 
MILES WEST OF GRAND FORKS...MOVING SOUTH AT 10 MPH.

HAZARD...DAMAGING TORNADO AND HALF DOLLAR SIZE HAIL. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

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 TORNADO WILL BE NEAR...
  EMERADO AROUND 550 PM CDT.
  NORTHWOOD AND KEMPTON AROUND 615 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 4768 9713 4769 9758 4791 9767 4802 9735
TIME...MOT...LOC 2246Z 341DEG 9KT 4791 9752 

TORNADO...OBSERVED
HAIL...1.25IN

$$

JK

589 
WWUS53 KFGF 272309
SVSFGF

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

NDC035-272315-
/O.CON.KFGF.TO.W.0021.000000T0000Z-150627T2315Z/
GRAND FORKS ND-
609 PM CDT SAT JUN 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR SOUTH
CENTRAL GRAND FORKS COUNTY...
        
AT 608 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED OVER HOLMES...OR 19 MILES SOUTHWEST OF GRAND FORKS...MOVING
SOUTHEAST AT 30 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION.

HAZARD...DAMAGING TORNADO. 

SOURCE...RADAR CONFIRMED TORNADO. 

IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. FLYING DEBRIS MAY 
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES 
         WILL BE DESTROYED. CONSIDERABLE DAMAGE TO 
         HOMES...BUSINESSES AND VEHICLES IS LIKELY AND COMPLETE 
         DESTRUCTION IS POSSIBLE. 

THE TORNADO WILL BE NEAR...
  HOLMES AROUND 610 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 4768 9713 4769 9752 4777 9750 4783 9724
TIME...MOT...LOC 2308Z 331DEG 33KT 4770 9735 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.25IN

$$

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, 4:40 PM CDT	Tornado Warning	FGF	Grand Forks, Nelson	50 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, 5:39 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.