Alert archive / North Dakota / Tornado Warnings in 2015

Tornado Warning 2, NWS Bismarck, ND

June 2, 2015Morton County, Stark County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 2, 2015, 4:25 PM CDT for Morton County, Stark County, North Dakota. It was in force for 35 min. 5 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 2, 2015, 4:25 PM CDT (21:25 UTC)
Expired: Jun 2, 2015, 5:00 PM CDT
In force: 35 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Morton County, ND, Stark County, ND

The radar

The Bismarck radar (KBIS), 93 km from the middle of the area, began a volume at 21:27 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 2, 4:25 PM CDT	HAIL 1.25	Hebron, ND	REPORTED VIA SOCIAL MEDIA
Jun 2, 4:29 PM CDT	HAIL 0.88	Hebron, ND
Jun 2, 4:39 PM CDT	HAIL 1	5 E Hebron, ND
Jun 2, 4:45 PM CDT	HAIL 1.75	Glen Ullin, ND	HAILING AT TIME OF OBSERVATION
Jun 2, 4:45 PM CDT	HAIL 2	Glen Ullin, ND

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 2, 2:46 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.4 hours before the alert went out and 98 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1035 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -77 m²/s²
0-3 km storm-relative helicity: -68 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.

033 
WFUS53 KBIS 022125
TORBIS
NDC059-089-022200-
/O.NEW.KBIS.TO.W.0002.150602T2125Z-150602T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
425 PM CDT TUE JUN 2 2015

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL STARK COUNTY IN SOUTHWESTERN NORTH DAKOTA...
  NORTHWESTERN MORTON COUNTY IN SOUTH CENTRAL NORTH DAKOTA...

* UNTIL 500 PM CDT/400 PM MDT/
    
* AT 425 PM CDT /325 PM MDT/...A SEVERE THUNDERSTORM CAPABLE OF 
  PRODUCING A TORNADO WAS LOCATED NEAR HEBRON...OR 12 MILES 
  NORTHWEST OF GLEN ULLIN...MOVING EAST AT 25 MPH.

  HAZARD...TORNADO AND GOLF BALL 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...
  GLEN ULLIN AROUND 450 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4689 10219 4699 10212 4698 10175 4697 10175
      4680 10182
TIME...MOT...LOC 2125Z 282DEG 24KT 4691 10205 

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

$$

SCHILD

2 follow-up statements

953 
WWUS53 KBIS 022141 RRA
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
441 PM CDT TUE JUN 2 2015

NDC089-022150-
/O.CAN.KBIS.TO.W.0002.000000T0000Z-150602T2200Z/
STARK ND-
441 PM CDT TUE JUN 2 2015

...THE TORNADO WARNING FOR EAST CENTRAL STARK COUNTY IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT 
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4685 10202 4697 10201 4698 10175 4697 10175
      4680 10182
TIME...MOT...LOC 2140Z 292DEG 30KT 4687 10190 

$$

NDC059-022200-
/O.CON.KBIS.TO.W.0002.000000T0000Z-150602T2200Z/
MORTON ND-
441 PM CDT TUE JUN 2 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
NORTHWESTERN MORTON COUNTY...
    
AT 440 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR GLEN ULLIN...MOVING SOUTHEAST AT 35 MPH.

HAZARD...TORNADO AND GOLF BALL 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...
  GLEN ULLIN AROUND 450 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4685 10202 4697 10201 4698 10175 4697 10175
      4680 10182
TIME...MOT...LOC 2140Z 292DEG 30KT 4687 10190 

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

$$

SCHILD

655 
WWUS53 KBIS 022156
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
456 PM CDT TUE JUN 2 2015

NDC059-022204-
/O.EXP.KBIS.TO.W.0002.000000T0000Z-150602T2200Z/
MORTON ND-
456 PM CDT TUE JUN 2 2015

...THE TORNADO WARNING FOR NORTHWESTERN MORTON COUNTY WILL EXPIRE AT
500 PM CDT...
    
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING 
HAS BEEN CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN 
LIKELY AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
MORTON COUNTY UNTIL 545 PM CDT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR PARTS 
OF SOUTH CENTRAL NORTH DAKOTA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
BISMARCK.

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
MORTON COUNTY UNTIL 545 PM CDT. 

LAT...LON 4685 10202 4697 10201 4698 10175 4697 10175
      4680 10182
TIME...MOT...LOC 2152Z 282DEG 24KT 4687 10190 

$$

SCHILD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 7:21 PM CDT	Special Weather Statement	BIS	Bottineau	39 min
Jun 1, 7:47 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	43 min
Jun 1, 8:25 PM CDT	Special Weather Statement	BIS	McLean	50 min
Jun 1, 8:35 PM CDT	Special Weather Statement	BIS	Rolette	40 min
Jun 1, 8:49 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	56 min
Jun 1, 9:32 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	32 min
Jun 1, 9:51 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer	54 min
Jun 1, 10:59 PM CDT	Special Weather Statement	BIS	Mercer, Oliver	31 min
Jun 1, 11:04 PM CDT	Special Weather Statement	BIS	Dunn	26 min
Jun 1, 11:46 PM CDT	Special Weather Statement	BIS	Dunn, Mercer, Oliver	44 min
Jun 2, 12:12 AM CDT	Special Weather Statement	BIS	Oliver	48 min
Jun 2, 12:28 AM CDT	Areal Flood Advisory	BIS	Dunn, McLean, Mercer, Oliver	8 hr
Jun 2, 1:27 AM CDT	Special Weather Statement	BIS	Billings, Golden Valley	48 min
Jun 2, 5:11 AM CDT	Special Weather Statement	BIS	Logan	49 min
Jun 2, 2:43 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	62 min
Jun 2, 3:16 PM CDT	Special Weather Statement	BIS	Dunn	44 min
Jun 2, 3:34 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Stark	56 min
Jun 2, 3:43 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, McLean, Mountrail	62 min
Jun 2, 3:52 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	53 min
Jun 2, 4:48 PM CDT	Severe Thunderstorm Warning	BIS	Morton	57 min
Jun 2, 4:53 PM CDT	Special Weather Statement	BIS	Mountrail	52 min
Jun 2, 5:07 PM CDT	Tornado Warning	BIS	McLean	23 min
Jun 2, 5:44 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton, Sioux	61 min
Jun 2, 6:36 PM CDT	Special Weather Statement	BIS	Foster	39 min
Jun 2, 6:39 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Morton, Sioux	66 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.