Alert archive / North Dakota / Tornado Warnings in 2015

Tornado Warning 17, NWS Grand Forks, ND

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

NWS Grand Forks, ND issued this tornado warning at Jun 27, 2015, 4:37 PM CDT for Grand Forks County, Nelson County, Steele County, North Dakota. It was in force for 38 min. 7 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, 4:37 PM CDT (21:37 UTC)
Expired: Jun 27, 2015, 5:15 PM CDT
In force: 38 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Grand Forks County, ND, Nelson County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 45 km from the middle of the area, began a volume at 21:37 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, 4:44 PM CDT	FUNNEL CLOUD	2 Nw Sharon, ND	FUNNEL CLOUD SITED... MOVING SOUTHEAST.
Jun 27, 4:45 PM CDT	HAIL 1	10 Nne Aneta, ND	LARGE HAIL AND BRIEF HEAVY RAIN PRECEDED THE ARRIVAL OF A WEAK TORNADO.
Jun 27, 4:47 PM CDT	HAIL 1.5	4 S Logan Center, ND	TIME ESTIMATED BY RADAR. SPOTTER FOUND PING PONG BALL SIZED HAIL 45 MINUTES AFTER IT FELL.
Jun 27, 5:13 PM CDT	TORNADO 0	6 S Logan Center, ND	TORNADO VIEWED SOUTH OF HWY 15 MOVING EAST. TORNADO LASTED FOR ABOUT TWO MINUTES...UNTIL 515 PM CDT...AND TRAVELLED NEARLY A MILE OVER OPEN FIELDS.
Jun 27, 5:15 PM CDT	TORNADO	3 S Logan Center, ND	TORNADO VIEWED SOUTH OF HWY 15 MOVING EAST.
Jun 27, 5:18 PM CDT	TORNADO 0	8 E Sharon, ND	BRIEF TOUCHDOWN NOTED IN OPEN FIELD.
Jun 27, 5:25 PM CDT	HAIL 3	1 N Golden Lake, ND	VERY LARGE HAIL ACROSS NORTHWEST SIDE OF GOLDEN LAKE. ALSO SOME 2 INCH BRANCHES BROKEN DOWN.

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, 9.6 hours before the alert went out and 238 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.

703 
WFUS53 KFGF 272137
TORFGF
NDC035-063-091-272215-
/O.NEW.KFGF.TO.W.0017.150627T2137Z-150627T2215Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN STEELE COUNTY IN SOUTHEASTERN NORTH DAKOTA...
  SOUTHEASTERN NELSON COUNTY IN NORTHEASTERN NORTH DAKOTA...
  SOUTHWESTERN GRAND FORKS COUNTY IN NORTHEASTERN NORTH DAKOTA...

* UNTIL 515 PM CDT
    
* AT 437 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR ANETA...OR 41 MILES WEST OF GRAND FORKS...
  MOVING SOUTHEAST AT 10 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

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

* THIS DANGEROUS STORM WILL BE NEAR...
  LOGAN CENTER AROUND 450 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 4784 9796 4774 9746 4749 9762 4764 9799
      4767 9799 4767 9806
TIME...MOT...LOC 2137Z 293DEG 10KT 4773 9792 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

JK

1 follow-up statement

747 
WWUS53 KFGF 272154
SVSFGF

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

NDC035-063-091-272215-
/O.CON.KFGF.TO.W.0017.000000T0000Z-150627T2215Z/
STEELE ND-NELSON ND-GRAND FORKS ND-
454 PM CDT SAT JUN 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR NORTHERN
STEELE...SOUTHEASTERN NELSON AND SOUTHWESTERN GRAND FORKS COUNTIES...
        
AT 454 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LOGAN CENTER...OR 38 MILES WEST OF GRAND FORKS...
MOVING SOUTHEAST AT 20 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL. 

SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 

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

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHERN STEELE...SOUTHEASTERN NELSON AND SOUTHWESTERN GRAND FORKS
COUNTIES.

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 4784 9796 4774 9746 4749 9762 4764 9799
      4767 9799 4774 9801
TIME...MOT...LOC 2154Z 308DEG 16KT 4774 9786 

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

$$

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, 4:40 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, 5:27 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.