Alert archive / North Dakota / Tornado Warnings in 2015

Tornado Warning 49, NWS Grand Forks, ND

July 12, 2015Cass County, Richland County, North Dakota; Clay County, Wilkin County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jul 12, 2015, 6:23 PM CDT for Cass County, Richland County, North Dakota; Clay County, Wilkin County, Minnesota. It was in force for 52 min. 4 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, 6:23 PM CDT (23:23 UTC)
Expired: Jul 12, 2015, 7:15 PM CDT
In force: 52 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Clay County, MN, Wilkin County, MN, Cass County, ND, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 110 km from the middle of the area, began a volume at 23:26 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
Jul 12, 6:27 PM CDT	FUNNEL CLOUD	6 S Horace, ND	FUNNEL STRETCHING HALFWAY DOWN.
Jul 12, 6:58 PM CDT	FUNNEL CLOUD	3 N Christine, ND	VIEWED FROM COMSTOCK MN.
Jul 12, 6:58 PM CDT	HAIL 0.88	Comstock, MN
Jul 12, 7:05 PM CDT	HAIL 1	4 N Wolverton, MN

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

Aberdeen, SD (KABR), launched 12:00Z, 11.4 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: 871 J/kg
Mixed-layer CIN: -318 J/kg
Mixed-layer LCL: 2134 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 194 m²/s²
0-3 km storm-relative helicity: 166 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.

190 
WFUS53 KFGF 122323
TORFGF
MNC027-167-NDC017-077-130015-
/O.NEW.KFGF.TO.W.0049.150712T2323Z-150713T0015Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
  SOUTHWESTERN CLAY COUNTY IN NORTHWESTERN MINNESOTA...
  SOUTHEASTERN CASS COUNTY IN SOUTHEASTERN NORTH DAKOTA...
  NORTH CENTRAL RICHLAND COUNTY IN SOUTHEASTERN NORTH DAKOTA...

* UNTIL 715 PM CDT
    
* AT 622 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR KINDRED...OR 15 MILES SOUTH OF FARGO...
  MOVING SOUTHEAST AT 20 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

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

* THIS DANGEROUS STORM WILL BE NEAR...
  WILD RICE AROUND 630 PM CDT.
  OXBOW...HICKSON AND RUSTAD AROUND 635 PM CDT.
  CHRISTINE AND COMSTOCK AROUND 645 PM CDT.
  WOLVERTON AROUND 655 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 4664 9705 4679 9685 4661 9636 4640 9653
TIME...MOT...LOC 2322Z 299DEG 18KT 4667 9692 

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

$$

DK

2 follow-up statements

793 
WWUS53 KFGF 122338
SVSFGF

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

MNC027-167-NDC017-077-130015-
/O.CON.KFGF.TO.W.0049.000000T0000Z-150713T0015Z/
WILKIN MN-CLAY MN-CASS ND-RICHLAND ND-
638 PM CDT SUN JUL 12 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHWESTERN WILKIN...SOUTHWESTERN CLAY...SOUTHEASTERN CASS AND NORTH
CENTRAL RICHLAND COUNTIES...
        
AT 637 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER HICKSON...OR 16 MILES SOUTH OF FARGO...MOVING
SOUTHEAST AT 20 MPH.

A FUNNEL CLOUD WAS OBSERVED 6 MILES SOUTH OF HORACE AT 627 PM

HAZARD...TORNADO. 

SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 

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

THIS DANGEROUS STORM WILL BE NEAR...
  RUSTAD AROUND 640 PM CDT.
  CHRISTINE AND COMSTOCK AROUND 645 PM CDT.
  WOLVERTON AROUND 655 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 4664 9696 4676 9679 4661 9636 4640 9653
      4656 9689 4660 9694
TIME...MOT...LOC 2337Z 299DEG 18KT 4663 9682 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DK

647 
WWUS53 KFGF 130015
SVSFGF

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

MNC027-167-NDC017-077-130025-
/O.EXP.KFGF.TO.W.0049.000000T0000Z-150713T0015Z/
WILKIN MN-CLAY MN-CASS ND-RICHLAND ND-
715 PM CDT SUN JUL 12 2015

...THE TORNADO WARNING FOR NORTHWESTERN WILKIN...SOUTHWESTERN CLAY...
SOUTHEASTERN CASS AND NORTH CENTRAL RICHLAND COUNTIES HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHWESTERN MINNESOTA AND SOUTHEASTERN NORTH DAKOTA.

LAT...LON 4664 9696 4676 9679 4661 9636 4640 9653
      4656 9689 4660 9694
TIME...MOT...LOC 0012Z 299DEG 18KT 4663 9682 

$$

DK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 8:54 PM CDT	Special Weather Statement	FGF	Benson	66 min
Jul 11, 9:17 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Towner	58 min
Jul 11, 10:10 PM CDT	Tornado Warning	FGF	Benson	50 min
Jul 11, 11:01 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey, Towner	59 min
Jul 11, 11:24 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	36 min
Jul 12, 12:19 AM CDT	Special Weather Statement	FGF	Benson	56 min
Jul 12, 2:41 AM CDT	Special Weather Statement	FGF	Nelson	34 min
Jul 12, 3:48 AM CDT	Special Weather Statement	FGF	Grand Forks	57 min
Jul 12, 4:50 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	55 min
Jul 12, 2:48 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	46 min
Jul 12, 3:37 PM CDT	Tornado Warning	FGF	Grand Forks, Steele, Traill	38 min
Jul 12, 3:55 PM CDT	Severe Thunderstorm Warning	FGF	Nelson, Ramsey, Walsh	65 min
Jul 12, 3:57 PM CDT	Tornado Warning	FGF	Grand Forks, Traill	38 min
Jul 12, 4:03 PM CDT	Tornado Warning	FGF	Grand Forks	42 min
Jul 12, 4:14 PM CDT	Tornado Warning	FGF	Grand Forks, Nelson, Walsh	46 min
Jul 12, 4:46 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	59 min
Jul 12, 5:04 PM CDT	Tornado Warning	FGF	Walsh	41 min
Jul 12, 5:29 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	34 min
Jul 12, 5:43 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	62 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, 4:21 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, 4:49 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	43 min
Jul 12, 5:07 PM CDT	Tornado Warning	FGF	Grant, Otter Tail, Wilkin	38 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, 5:49 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, 6:25 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 North Dakota, 2015 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.