Alert archive / North Dakota / Tornado Warnings in 2005

Tornado Warning 56, NWS Bismarck, ND

August 9, 2005Emmons County, North Dakota

NWS Bismarck, ND issued this tornado warning at Aug 9, 2005, 12:51 AM CDT for Emmons County, North Dakota. It was in force for 39 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: Aug 9, 2005, 12:51 AM CDT (05:51 UTC)
Expired: Aug 9, 2005, 1:30 AM CDT
In force: 39 min
Issued by: NWS Bismarck, ND
Area: Counties, with a storm outline in the text

County Emmons County, ND

The radar

The Bismarck radar (KBIS), 85 km from the middle of the area, began a volume at 05:54 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
Aug 9, 12:50 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.9 hours before the alert went out and 83 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: 9 J/kg
Mixed-layer CIN: -442 J/kg
Mixed-layer LCL: 2091 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KBIS 090551
TORBIS
NDC029-090630-
/O.NEW.KBIS.TO.W.0056.050809T0551Z-050809T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1251 AM CDT TUE AUG 9 2005

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN EMMONS COUNTY IN SOUTH CENTRAL NORTH DAKOTA

* UNTIL 130 AM CDT

* AT 1251 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES WEST OF
  WESTFIELD...OR ABOUT 57 MILES SOUTH OF BISMARCK...MOVING EAST AT 35
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  WESTFIELD AROUND 110 AM CDT
  STRASBURG AROUND 115 AM CDT
  HAGUE AROUND 125 AM CDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
HAIL AND DAMAGING STRAIGHT LINE WINDS.

LAT...LON 4613 10058 4594 10051 4595 9988 4624 9988

$$

CJS/RSL

2 follow-up statements

000 
WWUS53 KBIS 090615
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
113 AM CDT TUE AUG 9 2005

NDC029-090630-
/O.CON.KBIS.TO.W.0056.000000T0000Z-050809T0630Z/
EMMONS ND-
113 AM CDT TUE AUG 9 2005

...A TORNADO WARNING CONTINUES UNTIL 130 AM CDT FOR SOUTHEASTERN
EMMONS COUNTY...

AT 113 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS 
STORM WAS LOCATED NEAR WESTFIELD...OR ABOUT 59 MILES SOUTHEAST OF 
BISMARCK...MOVING EAST AT 35 MPH.

THE POSSIBLE TORNADO WILL BE NEAR...
  STRASBURG AROUND 120 AM CDT
  HAGUE AROUND 130 AM CDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.


LAT...LON 4616 10036 4596 10038 4595 9988 4624 9988

$$

CJS/RSL

000 
WWUS53 KBIS 090630
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
130 AM CDT TUE AUG 9 2005

NDC029-090639-
/O.EXP.KBIS.TO.W.0056.000000T0000Z-050809T0630Z/
EMMONS ND-
130 AM CDT TUE AUG 9 2005

...THE TORNADO WARNING FOR SOUTHEASTERN EMMONS COUNTY EXPIRED AT 130
AM CDT...

THE TORNADIC THUNDERSTORM HAS WEAKENED AND NO LONGER POSES A
SIGNIFICANT THREAT. HOWEVER...BRIEF HEAVY RAINFALL AND DANGEROUS 
CLOUD TO GROUND LIGHTNING WILL ACCOMPANY THIS STORM AS IT MOVES
FROM SOUTHEASTERN EMMONS AND INTO WESTERN MCINTOSH COUNTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM CDT
TUESDAY MORNING FOR SOUTHEASTERN NORTH DAKOTA.

LAT...LON 4616 10036 4596 10038 4595 9988 4624 9988

$$

CJS/RSL

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 10:53 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan	67 min
Aug 8, 11:56 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure	65 min

Nearby

Tornado Warnings in North Dakota, 2005 Every tornado warning in 2005 Tornadoes in 2005

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.