Alert archive / North Dakota / Tornado Warnings in 2009

Tornado Warning 7, NWS Bismarck, ND

June 22, 2009Emmons County, Logan County, McIntosh County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 22, 2009, 7:36 PM CDT for Emmons County, Logan County, McIntosh County, North Dakota. It was in force for 24 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 22, 2009, 7:36 PM CDT (00:36 UTC)
Expired: Jun 22, 2009, 8:00 PM CDT
In force: 24 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon

Counties Emmons County, ND, Logan County, ND, McIntosh County, ND

The radar

The Bismarck radar (KBIS), 85 km from the middle of the area, began a volume at 00:39 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 22, 3:06 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.6 hours before the alert went out and 81 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: 285 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1776 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KBIS 230036
TORBIS
NDC029-047-051-230100-
/O.NEW.KBIS.TO.W.0007.090623T0036Z-090623T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
736 PM CDT MON JUN 22 2009

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL EMMONS COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
  SOUTHWESTERN LOGAN COUNTY IN SOUTHEAST NORTH DAKOTA...
  NORTHWESTERN MCINTOSH COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 800 PM CDT

* AT 734 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 6 MILES EAST OF LINTON...OR 50 MILES SOUTHEAST OF
  BISMARCK...AND MOVING EAST AT 20 MPH.

* THIS TORNADIC STORM WILL AFFECT MAINLY RURAL AREAS OF EAST CENTRAL
  EMMONS...NORTHWESTERN MCINTOSH AND SOUTHWESTERN LOGAN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS EXPECTED TO PRODUCE LARGE
DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS WELL AWAY FROM THE
STORM CENTER.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4634 9973 4606 9991 4622 10019 4635 10012
TIME...MOT...LOC 0036Z 291DEG 17KT 4624 10010

$$

PJA

1 follow-up statement

000 
WWUS53 KBIS 230055
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
755 PM CDT MON JUN 22 2009

NDC029-047-051-230105-
/O.EXP.KBIS.TO.W.0007.000000T0000Z-090623T0100Z/
LOGAN ND-EMMONS ND-MCINTOSH ND-
755 PM CDT MON JUN 22 2009

...THE TORNADO WARNING FOR NORTHWESTERN MCINTOSH...EASTERN EMMONS AND
SOUTHWESTERN LOGAN COUNTIES EXPIRES AT 800 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED. HOWEVER GUSTY 
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4634 9973 4606 9991 4622 10019 4635 10012
TIME...MOT...LOC 0055Z 281DEG 22KT 4625 9986

$$

PJA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 7:12 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	48 min
Jun 22, 7:30 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	28 min

Nearby

Tornado Warnings in North Dakota, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.