Alert archive / North Dakota / Tornado Warnings in 2014

Tornado Warning 13, NWS Bismarck, ND

June 4, 2014Rolette County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 4, 2014, 7:20 PM CDT for Rolette 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 4, 2014, 7:20 PM CDT (00:20 UTC)
Expired: Jun 4, 2014, 7:45 PM CDT
In force: 25 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

County Rolette County, ND

The radar

The Minot AFB radar (KMBX), 114 km from the middle of the area, began a volume at 00:21 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, 0.3 hours before the alert went out and 258 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: 828 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1626 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

815 
WFUS53 KBIS 050020
TORBIS
NDC079-050045-
/O.NEW.KBIS.TO.W.0013.140605T0020Z-140605T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
720 PM CDT WED JUN 4 2014

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN ROLETTE COUNTY IN NORTH CENTRAL NORTH DAKOTA...

* UNTIL 745 PM CDT

* AT 716 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR ROLLA...OR 39 MILES EAST OF BOTTINEAU...
  AND MOVING EAST AT 20 MPH.

  HAZARD...TORNADO AND PING PONG 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 AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
  ROLETTE COUNTY.

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 4900 9957 4900 9953 4899 9952 4884 9952
      4884 9957 4900 9970 4901 9957
TIME...MOT...LOC 0020Z 255DEG 19KT 4888 9956

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

AYD

2 follow-up statements

394 
WWUS53 KBIS 050029
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
729 PM CDT WED JUN 4 2014

NDC079-050045-
/O.CON.KBIS.TO.W.0013.000000T0000Z-140605T0045Z/
ROLETTE ND-
729 PM CDT WED JUN 4 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ROLETTE
COUNTY UNTIL 745 PM CDT...

AT 725 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ROLLA...OR 41 MILES EAST OF BOTTINEAU...MOVING EAST
AT 20 MPH.

HAZARD...TORNADO AND PING PONG 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 AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
ROLETTE COUNTY.

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 4900 9956 4900 9953 4899 9952 4884 9952
      4884 9957 4894 9965
TIME...MOT...LOC 0029Z 254DEG 15KT 4889 9952

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

AYD

497 
WWUS53 KBIS 050037
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
737 PM CDT WED JUN 4 2014

NDC079-050047-
/O.EXP.KBIS.TO.W.0013.000000T0000Z-140605T0045Z/
ROLETTE ND-
737 PM CDT WED JUN 4 2014

...THE TORNADO WARNING FOR NORTHEASTERN ROLETTE COUNTY WILL EXPIRE AT
745 PM CDT/645 PM MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 4900 9956 4900 9953 4899 9952 4884 9952
      4884 9957 4894 9965
TIME...MOT...LOC 0037Z 253DEG 16KT 4891 9945

$$

AYD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 7:14 PM CDT	Special Weather Statement	BIS	Sioux	31 min
Jun 4, 7:31 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	26 min
Jun 4, 7:36 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	33 min
Jun 4, 8:15 PM CDT	Severe Thunderstorm Warning	BIS	McHenry	26 min
Jun 4, 9:56 PM CDT	Special Weather Statement	BIS	Bottineau	49 min
Jun 5, 3:15 PM CDT	Special Weather Statement	BIS	Bottineau, Burke, Divide, McHenry, McKenzie, Mountrail and 3 more	60 min
Jun 5, 3:44 PM CDT	Special Weather Statement	BIS	Sargent	16 min

Nearby

Tornado Warnings in North Dakota, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.