Alert archive / North Dakota / Tornado Warnings in 2012

Tornado Warning 5, NWS Bismarck, ND

July 15, 2012Burke County, Renville County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 15, 2012, 8:05 PM CDT for Burke County, Renville County, North Dakota. It was in force for 25 min. 3 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 15, 2012, 8:05 PM CDT (01:05 UTC)
Expired: Jul 15, 2012, 8:30 PM CDT
In force: 25 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon

Counties Burke County, ND, Renville County, ND

What was reported inside it

Time	Report	Where	Remark
Jul 15, 8:08 PM CDT	TSTM WND DMG	6 Sse Northgate, ND	ESTIMATED 80 TO 90 MPH WINDS DESTROYED A GARAGE...SEVERAL GRAIN BINS...AND A QUONSET HUT AT A FARMSTEAD. TIME ESTIMATED BASED ON RADAR.
Jul 15, 8:26 PM CDT	TSTM WND GST 62	5 Ese Northgate, ND
Jul 15, 8:34 PM CDT	TSTM WND DMG	7 N Norma, ND	REPORTED NUMEROUS 12 INCH DIAMETER TREES UPROOTED WITH SEVERAL BROKEN BRANCHES. DAMAGE EXTENDS FROM 7 MILES NORTH OF NORMA TO 10 MILES NORTH OF NORMA.

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 15, 5:31 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.1 hours before the alert went out and 257 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: 1118 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 2727 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

655 
WFUS53 KBIS 160105
TORBIS
NDC013-075-160130-
/O.NEW.KBIS.TO.W.0005.120716T0105Z-120716T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
805 PM CDT SUN JUL 15 2012

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN RENVILLE COUNTY IN NORTH CENTRAL NORTH DAKOTA
  NORTHEASTERN BURKE COUNTY IN NORTHWEST NORTH DAKOTA

* UNTIL 830 PM CDT

* AT 803 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR NORTHGATE...OR 46 MILES EAST OF CROSBY...AND
  MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME NORTHWESTERN RENVILLE AND
  NORTHEASTERN BURKE COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4901 10185 4877 10184 4878 10202 4880 10202
      4881 10215 4878 10216 4879 10251 4900 10251
      4901 10241
TIME...MOT...LOC 0105Z 266DEG 23KT 4897 10226

$$

AYD

2 follow-up statements

946 
WWUS53 KBIS 160115
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
815 PM CDT SUN JUL 15 2012

NDC013-075-160130-
/O.CON.KBIS.TO.W.0005.000000T0000Z-120716T0130Z/
BURKE ND-RENVILLE ND-
815 PM CDT SUN JUL 15 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN RENVILLE AND
NORTHEASTERN BURKE COUNTIES UNTIL 830 PM CDT...

AT 812 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR NORTHGATE...OR 50 MILES EAST OF CROSBY...
MOVING EAST AT 35 MPH.

THOSE NORTH OF HIGHWAY 52 IN FAR NORTHEAST BURKE COUNTY SHOULD TAKE 
COVER IMMEDIATELY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHEASTERN BURKE AND NORTHWESTERN RENVILLE
  COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4901 10185 4877 10184 4878 10202 4880 10202
      4881 10215 4878 10216 4879 10244 4901 10241
TIME...MOT...LOC 0114Z 280DEG 30KT 4897 10216

$$

AYD

668 
WWUS53 KBIS 160120
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
820 PM CDT SUN JUL 15 2012

NDC013-075-160130-
/O.CON.KBIS.TO.W.0005.000000T0000Z-120716T0130Z/
BURKE ND-RENVILLE ND-
820 PM CDT SUN JUL 15 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN RENVILLE AND
NORTHEASTERN BURKE COUNTIES UNTIL 830 PM CDT...

AT 817 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 7 MILES EAST OF NORTHGATE...OR 54 MILES EAST OF
CROSBY...MOVING EAST AT 35 MPH.

THOSE NORTH OF HIGHWAY 52 IN FAR NORTHEAST BURKE COUNTY SHOULD TAKE 
COVER IMMEDIATELY.

PING PONG BALL SIZE HAIL AND DAMAGING STRAIGHT LINE WINDS IN EXCESS 
OF 60 MPH ARE ALSO POSSIBLE WITH THIS STORM. 

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME NORTHEASTERN BURKE AND EXTREME
  NORTHWESTERN RENVILLE COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN BISMARCK AT
701-223-4582.

&&

LAT...LON 4901 10185 4877 10184 4878 10202 4880 10202
      4881 10215 4878 10216 4879 10244 4901 10241
TIME...MOT...LOC 0119Z 283DEG 29KT 4895 10209

$$

AYD/TWH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 7:21 PM CDT	Areal Flood Advisory	BIS	Burke	2 hr
Jul 15, 7:28 PM CDT	Severe Thunderstorm Warning	BIS	Burke	62 min
Jul 15, 8:28 PM CDT	Tornado Warning	BIS	Burke, Renville	32 min
Jul 15, 8:59 PM CDT	Tornado Warning	BIS	Renville	15 min
Jul 16, 4:21 AM CDT	Dense Fog Advisory	BIS	Bottineau, Burke, Divide, McHenry, Mountrail, Pierce and 3 more	6 hr

Nearby

Tornado Warnings in North Dakota, 2012 Every tornado warning in 2012 Tornadoes in 2012

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.