Tornado Warning 4, NWS Great Falls, MT

Issued

Jun 5, 2012, 5:40 PM MDT (23:40 UTC)

Expired

Jun 5, 2012, 6:15 PM MDT

In force

35 min

Issued by

NWS Great Falls, MT

Area

Storm-based polygon

Counties Fergus County, MT, Judith Basin County, MT

The Great Falls radar (KTFX), 114 km from the middle of the area, began a volume at 23:43 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

067 
WFUS55 KTFX 052340
TORTFX
MTC027-045-060015-
/O.NEW.KTFX.TO.W.0004.120605T2340Z-120606T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
540 PM MDT TUE JUN 5 2012

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL FERGUS COUNTY IN CENTRAL MONTANA...
  EASTERN JUDITH BASIN COUNTY IN CENTRAL MONTANA...

* UNTIL 615 PM MDT

* AT 538 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
  SOUTHWEST OF HOBSON...OR 18 MILES SOUTHEAST OF STANFORD...MOVING
  NORTH AT 25 MPH.

* LOCATIONS IN THE WARNING INCLUDE HOBSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT TUESDAY EVENING
FOR NORTHWESTERN MONTANA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 900 PM MDT TUESDAY EVENING FOR SOUTHWEST MONTANA.

LAT...LON 4734 11004 4718 10954 4681 10997 4688 11020
TIME...MOT...LOC 2340Z 187DEG 21KT 4695 11002

$$

MLV

464 
WWUS55 KTFX 052352
SVSTFX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
552 PM MDT TUE JUN 5 2012

MTC027-045-060015-
/O.CON.KTFX.TO.W.0004.000000T0000Z-120606T0015Z/
FERGUS MT-JUDITH BASIN MT-
552 PM MDT TUE JUN 5 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM MDT FOR EAST
CENTRAL JUDITH BASIN AND WEST CENTRAL FERGUS COUNTIES...

AT 547 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A DEVELOPING TORNADO.  THIS DANGEROUS STORM IS LOCATED NEAR
UTICA...OR 15 MILES SOUTHEAST OF STANFORD...MOVING NORTH AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MOCCASIN...BENCHLAND AND DANVERS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT TUESDAY EVENING
FOR NORTHWESTERN MONTANA.

LAT...LON 4698 11017 4734 11004 4718 10954 4689 10988
TIME...MOT...LOC 2352Z 187DEG 21KT 4702 11001

$$

MLV

753 
WWUS55 KTFX 060012
SVSTFX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
612 PM MDT TUE JUN 5 2012

MTC027-045-060022-
/O.EXP.KTFX.TO.W.0004.000000T0000Z-120606T0015Z/
FERGUS MT-JUDITH BASIN MT-
612 PM MDT TUE JUN 5 2012

...THE TORNADO WARNING FOR EAST CENTRAL JUDITH BASIN AND WEST CENTRAL
FERGUS COUNTIES WILL EXPIRE AT 615 PM MDT...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE THUNDERSTORM
THAT PROMPTED THE TORNADO WARNING HAS EXPIRED...HOWEVER THIS STORM 
REMAINS SEVERE AND A NEW TORNADO WARNING IS NOW IN EFFECT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT TUESDAY EVENING
FOR NORTHWESTERN MONTANA.

LAT...LON 4698 11017 4734 11004 4718 10954 4689 10988
TIME...MOT...LOC 0012Z 187DEG 21KT 4714 10999

$$

MLV

Tornado Warnings in Montana, 2012Every tornado warning in 2012Tornadoes in 2012

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; radar from the NEXRAD Level II archive.