Alert archive / Minnesota / Tornado Warnings in 2015

Tornado Warning 44, NWS Grand Forks, ND

July 12, 2015Grant County, Otter Tail County, Wilkin County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jul 12, 2015, 5:07 PM CDT for Grant County, Otter Tail County, Wilkin County, Minnesota. 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: Jul 12, 2015, 5:07 PM CDT (22:07 UTC)
Expired: Jul 12, 2015, 5:45 PM CDT
In force: 38 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Grant County, MN, Otter Tail County, MN, Wilkin County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 192 km from the middle of the area, began a volume at 22:10 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
Jul 12, 5:07 PM CDT	TORNADO	1 Sw Doran, MN	SPOTTER LOCATED 2SW OF DORAN VIEWS TORNADO NEAR HWY 75 AND SOUTHWEST OF DORAN.
Jul 12, 5:14 PM CDT	HAIL 1.75	3 Nne Campbell, MN
Jul 12, 5:14 PM CDT	TORNADO	2 Ne Campbell, MN
Jul 12, 5:25 PM CDT	FUNNEL CLOUD	2 Se Elbow Lake, MN	PERSISTENT WALL CLOUD WITH POSSIBLE FUNNEL.
Jul 12, 5:31 PM CDT	TORNADO	5 Nnw Wendell, MN	MULTIPLE SIGHTINGS OF A TORNADO NEAR THE GRANT COUNTY AND OTTER TAIL COUNTY LINE.
Jul 12, 5:48 PM CDT	FUNNEL CLOUD	2 Wsw Wendell, MN
Jul 12, 5:48 PM CDT	TORNADO	5 N Vining, MN	BETWEEN OTTER TAIL AND VINING.

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
Jul 12, 3:06 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.1 hours before the alert went out and 229 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: 1730 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

529 
WFUS53 KFGF 122207
TORFGF
MNC051-111-167-122245-
/O.NEW.KFGF.TO.W.0044.150712T2207Z-150712T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
507 PM CDT SUN JUL 12 2015

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
  SOUTHERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
  GRANT COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 545 PM CDT
    
* AT 505 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER WESTERN...OR 10 MILES SOUTHWEST OF FERGUS 
  FALLS...MOVING EAST AT 35 MPH. THIS WARNING IS FOR NEW DEVELOPMENT 
  SOUTHWEST OF FOXHOME...WHERE MULTIPLE REPORTS ARE COMING IN OF 
  FUNNEL CLOUDS AND ROTATING WALL CLOUDS. STOR

  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...
  DALTON AROUND 515 PM CDT.
  UNDERWOOD AROUND 520 PM CDT.
  BATTLE LAKE AND SOUTHERN OTTERTAIL LAKE AROUND 525 PM CDT.
  CLITHERALL AND VINING AROUND 530 PM CDT.
  HENNING AND ALMORA AROUND 535 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 4586 9624 4602 9627 4603 9652 4637 9655
      4650 9519 4611 9515 4611 9577 4580 9576
TIME...MOT...LOC 2205Z 252DEG 65KT 4616 9619 

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

$$
SPEICHER

1 follow-up statement

929 
WWUS53 KFGF 122224
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
524 PM CDT SUN JUL 12 2015

MNC051-111-167-122245-
/O.CON.KFGF.TO.W.0044.000000T0000Z-150712T2245Z/
WILKIN MN-OTTER TAIL MN-GRANT MN-
524 PM CDT SUN JUL 12 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHEASTERN WILKIN...SOUTHERN OTTER TAIL AND GRANT COUNTIES...
    
AT 523 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR CAMPBELL... 
MOVING EAST AT 20 MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

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

THIS TORNADO WILL BE NEAR...
  FERGUS FALLS AROUND 525 PM CDT.
  UNDERWOOD AND DALTON AROUND 530 PM CDT.
  CLITHERALL AND BATTLE LAKE AROUND 540 PM CDT.
  HENNING...VINING AND ALMORA AROUND 545 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.

IF ON OR NEAR BATTLE LAKE...GET AWAY FROM THE WATER AND MOVE TO SAFE 
SHELTER IMMEDIATELY. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH 
TO BE STRUCK BY LIGHTNING. SEVERE THUNDERSTORMS CAN PRODUCE LARGE 
CAPSIZING WAVES...EVEN ON SMALL BODIES OF WATER. MOVE INTO DOCK AND 
SEEK SAFE SHELTER NOW. DO NOT BE CAUGHT ON THE WATER IN A 
THUNDERSTORM.

&&

LAT...LON 4586 9624 4602 9627 4603 9646 4637 9650
      4650 9519 4611 9515 4611 9577 4580 9576
TIME...MOT...LOC 2223Z 266DEG 71KT 4624 9612 

TORNADO...OBSERVED
HAIL...1.75IN

$$
SPEICHER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 4:50 AM CDT	Severe Thunderstorm Warning	FGF	Marshall, Pennington, Polk	55 min
Jul 12, 6:25 AM CDT	Special Weather Statement	FGF	Roseau	65 min
Jul 12, 6:48 AM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods	42 min
Jul 12, 7:21 AM CDT	Special Weather Statement	FGF	Beltrami	54 min
Jul 12, 7:28 AM CDT	Special Weather Statement	FGF	Lake of the Woods	32 min
Jul 12, 8:23 AM CDT	Special Weather Statement	FGF	Beltrami	67 min
Jul 12, 3:53 PM CDT	Tornado Warning	FGF	Clay, Otter Tail, Wilkin	52 min
Jul 12, 4:03 PM CDT	Tornado Warning	FGF	Polk	42 min
Jul 12, 4:21 PM CDT	Tornado Warning	FGF	Becker, Clay, Otter Tail, Wilkin	39 min
Jul 12, 4:36 PM CDT	Tornado Warning	FGF	Otter Tail, Wilkin	39 min
Jul 12, 4:46 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall	59 min
Jul 12, 4:49 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	43 min
Jul 12, 5:04 PM CDT	Tornado Warning	FGF	Kittson, Marshall	41 min
Jul 12, 5:18 PM CDT	Tornado Warning	FGF	Becker, Otter Tail, Wadena, Wilkin	42 min
Jul 12, 5:37 PM CDT	Tornado Warning Tornado observed	FGF	Grant, Otter Tail, Wilkin	38 min
Jul 12, 5:40 PM CDT	Areal Flood Advisory	FGF	Marshall	12 hr
Jul 12, 5:43 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall, Pennington, Roseau	62 min
Jul 12, 5:49 PM CDT	Tornado Warning	FGF	Otter Tail, Wadena	41 min
Jul 12, 6:08 PM CDT	Areal Flood Advisory	FGF	Otter Tail	12 hr
Jul 12, 6:15 PM CDT	Tornado Warning	FGF	Grant, Otter Tail	45 min
Jul 12, 6:23 PM CDT	Tornado Warning	FGF	Clay, Wilkin	52 min
Jul 12, 6:25 PM CDT	Tornado Warning	FGF	Otter Tail, Wadena	50 min
Jul 12, 6:56 PM CDT	Tornado Warning	FGF	Grant	49 min

Nearby

Tornado Warnings in Minnesota, 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.