Alert archive / North Dakota / Tornado Warnings in 2012

Tornado Warning 2, NWS Bismarck, ND

May 22, 2012Mountrail County, North Dakota

NWS Bismarck, ND issued this tornado warning at May 22, 2012, 6:16 PM CDT for Mountrail County, North Dakota. It was in force for 29 min. 2 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: May 22, 2012, 6:16 PM CDT (23:16 UTC)
Expired: May 22, 2012, 6:45 PM CDT
In force: 29 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon

County Mountrail County, ND

What was reported inside it

Time	Report	Where	Remark
May 22, 6:19 PM CDT	FUNNEL CLOUD	2 E Blaisdell, ND	FUNNEL HALFWAY TO THE GROUND
May 22, 6:19 PM CDT	FUNNEL CLOUD	Blaisdell, ND	FUNNEL HALFWAY TO THE GROUND

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
May 22, 4:03 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.3 hours before the alert went out and 201 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: 242 J/kg
Mixed-layer CIN: -610 J/kg
Mixed-layer LCL: 1843 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

579 
WFUS53 KBIS 222316
TORBIS
NDC061-222345-
/O.NEW.KBIS.TO.W.0002.120522T2316Z-120522T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
616 PM CDT TUE MAY 22 2012

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL MOUNTRAIL COUNTY IN NORTHWEST NORTH DAKOTA

* UNTIL 645 PM CDT

* AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR BLAISDELL...OR 38 MILES WEST OF MINOT...AND
  MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BLAISDELL.

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 4844 10199 4822 10197 4821 10217 4832 10223
TIME...MOT...LOC 2315Z 257DEG 11KT 4829 10211

$$

SIMOSKO

1 follow-up statement

155 
WWUS53 KBIS 222332
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
632 PM CDT TUE MAY 22 2012

NDC061-222345-
/O.CON.KBIS.TO.W.0002.000000T0000Z-120522T2345Z/
MOUNTRAIL ND-
632 PM CDT TUE MAY 22 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MOUNTRAIL
COUNTY UNTIL 645 PM CDT...

AT 630 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD.  A
TORNADO MAY DEVELOP AT ANY TIME. THIS DANGEROUS STORM WAS LOCATED
NEAR BLAISDELL...OR 35 MILES WEST OF MINOT...MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN MOUNTRAIL COUNTY.

AT 619 PM CDT...A FUNNEL CLOUD WAS REPORTED 2 MILES WEST OF 
BLAISDELL.

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.

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 4823 10209 4834 10219 4844 10199 4822 10197
TIME...MOT...LOC 2330Z 257DEG 11KT 4830 10204

$$

SIMOSKO/LTH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:33 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Oliver	42 min
May 21, 8:41 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	64 min
May 22, 4:07 PM CDT	Severe Thunderstorm Warning	BIS	Divide	53 min
May 22, 4:57 PM CDT	Severe Thunderstorm Warning	BIS	Divide	63 min
May 22, 6:03 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Renville, Ward	57 min

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.