Alert archive / North Dakota / Tornado Warnings in 2015

Tornado Warning 9, NWS Bismarck, ND

June 24, 2015Stark County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 24, 2015, 7:20 PM MDT for Stark County, North Dakota. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 24, 2015, 7:20 PM MDT (01:20 UTC)
Expired: Jun 24, 2015, 7:45 PM MDT
In force: 25 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

County Stark County, ND

The radar

The Bismarck radar (KBIS), 114 km from the middle of the area, began a volume at 01:21 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.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.3 hours before the alert went out and 119 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: 46 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 1416 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 100 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.

120 
WFUS53 KBIS 250120
TORBIS
NDC089-250145-
/O.NEW.KBIS.TO.W.0009.150625T0120Z-150625T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
720 PM MDT WED JUN 24 2015

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN STARK COUNTY IN SOUTHWESTERN NORTH DAKOTA...

* UNTIL 745 PM MDT
    
* AT 720 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR RICHARDTON...OR 23 MILES WEST OF GLEN
  ULLIN...MOVING SOUTHEAST AT 20 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHEASTERN STARK COUNTY.

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 4695 10242 4701 10225 4691 10209 4688 10210
      4683 10214 4678 10232
TIME...MOT...LOC 0120Z 315DEG 15KT 4694 10229 

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

$$

AYD

2 follow-up statements

341 
WWUS53 KBIS 250133
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
733 PM MDT WED JUN 24 2015

NDC089-250145-
/O.CON.KBIS.TO.W.0009.000000T0000Z-150625T0145Z/
STARK ND-
733 PM MDT WED JUN 24 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR
NORTHEASTERN STARK COUNTY...
    
AT 732 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR RICHARDTON...OR 19 MILES WEST OF GLEN ULLIN...MOVING
SOUTHEAST AT 20 MPH.

HAZARD...TORNADO AND QUARTER 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. 

LOCATIONS IMPACTED INCLUDE... 
INTERSTATE 94 BETWEEN THE EASTERN STARK 
COUNTY LINE AND 3 MILES EAST OF RICHARDTON.

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 4695 10232 4699 10222 4691 10209 4688 10210
      4683 10214 4679 10229
TIME...MOT...LOC 0132Z 313DEG 18KT 4688 10222 

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

$$

AYD

690 
WWUS53 KBIS 250141
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
741 PM MDT WED JUN 24 2015

NDC089-250151-
/O.EXP.KBIS.TO.W.0009.000000T0000Z-150625T0145Z/
STARK ND-
741 PM MDT WED JUN 24 2015

...THE TORNADO WARNING FOR NORTHEASTERN STARK COUNTY WILL EXPIRE AT
745 PM MDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4695 10232 4699 10222 4691 10209 4688 10210
      4683 10214 4679 10229
TIME...MOT...LOC 0138Z 315DEG 15KT 4688 10222 

$$

AYD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 6:12 PM MDT	Special Weather Statement	BIS	Dunn	33 min
Jun 24, 6:48 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, Stark	57 min
Jun 24, 7:00 PM MDT	Tornado Warning	BIS	Dunn, Mercer	30 min
Jun 24, 7:49 PM MDT	Special Weather Statement	BIS	Mercer	26 min
Jun 24, 8:02 PM MDT	Severe Thunderstorm Warning	BIS	Mercer, Oliver	39 min
Jun 25, 10:27 AM MDT	Special Weather Statement	BIS	Ward	48 min
Jun 25, 1:41 PM MDT	Special Weather Statement	BIS	Mountrail	34 min
Jun 25, 2:18 PM MDT	Special Weather Statement	BIS	McLean, Mountrail, Sheridan, Ward	42 min
Jun 25, 3:11 PM MDT	Special Weather Statement	BIS	Ward	34 min
Jun 25, 3:14 PM MDT	Severe Thunderstorm Warning	BIS	Ward	31 min
Jun 25, 3:30 PM MDT	Special Weather Statement	BIS	Sheridan	30 min
Jun 25, 3:33 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer	57 min
Jun 25, 3:56 PM MDT	Special Weather Statement	BIS	Oliver	34 min
Jun 25, 4:00 PM MDT	Special Weather Statement	BIS	Oliver	30 min
Jun 25, 4:12 PM MDT	Special Weather Statement	BIS	Burleigh	33 min
Jun 25, 4:18 PM MDT	Special Weather Statement	BIS	Burke	27 min
Jun 25, 4:23 PM MDT	Special Weather Statement	BIS	Mercer	37 min
Jun 25, 5:05 PM MDT	Special Weather Statement	BIS	Oliver	25 min
Jun 25, 5:36 PM MDT	Special Weather Statement	BIS	Oliver	24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.