Alert archive / Montana / Tornado Warnings in 2007

Tornado Warning 2, NWS Missoula, MT

June 29, 2007Mineral County, Montana

NWS Missoula, MT issued this tornado warning at Jun 29, 2007, 8:42 PM MDT for Mineral County, Montana. It was in force for 23 min. 1 report 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
Jun 29, 2007, 8:42 PM MDT (02:42 UTC)
Expired
Jun 29, 2007, 9:05 PM MDT
In force
23 min
Issued by
NWS Missoula, MT
Area
Counties, with a storm outline in the text

County Mineral County, MT

The radar

The Missoula radar (KMSX), 68 km from the middle of the area, began a volume at 02:45 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.

What was reported inside it

TimeReportWhereRemark
Jun 29, 8:57 PM MDTTSTM WND DMG2 S Lozeau, MTSEVERAL TREES AND LARGE LIMBS DOWN ON QUARTZ-LOZEAU ROAD FROM THUNDERSTORM WIND GUSTS.

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

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 2.7 hours before the alert went out and 130 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-pSkew-T log-p diagram, Spokane, WA at 00:00Z on 2007-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 00:00Z on 2007-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
972 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-91 m²/s²
0-3 km storm-relative helicity
-50 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 
WFUS55 KMSO 300243
TORMSO
MTC061-300315-
/O.NEW.KMSO.TO.W.0002.070630T0242Z-070630T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
842 PM MDT FRI JUN 29 2007

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL MINERAL COUNTY IN WEST CENTRAL MONTANA...

* UNTIL 915 PM MDT(815 PM PDT).

* AT 840 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO  THIS TORNADO WAS LOCATED 14 MILES
  SOUTHWEST OF SUPERIOR...AND WAS MOVING NORTHEAST AT 40 MPH.
 
  DOPPLER RADAR DATA STRONGLY SUGGESTS THAT THIS STORM HAS A TORNADO 
  ON THE GROUND RIGHT NOW

* THE TORNADO IS WILL BE NEAR...
  SUPERIOR AROUND 855 PM MDT.

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.

LAT...LON 4728 11485 4722 11479 4722 11472 4719 11472
      4710 11459 4697 11498 4697 11503 4711 11518
      4729 11492

$$
2 follow-up statements
000 
WWUS55 KMSO 300250
SVSMSO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
849 PM MDT FRI JUN 29 2007

MTC061-300315-
/O.CON.KMSO.TO.W.0002.000000T0000Z-070630T0315Z/
MINERAL MT-
849 PM MDT FRI JUN 29 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM MDT FOR CENTRAL
MINERAL COUNTY...

* AT 845 PM MDT...DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. 
  THIS TORNADO WAS LOCATED 11 MILES SOUTHWEST OF SUPERIOR...AND WAS
  MOVING NORTHEAST AT 40 MPH.
  
  IN ADDITION TO A TORNADO...THIS STORM IS EXPECTED TO PRODUCE GOLF 
  BALL SIZED HAIL AND WIND GUSTS TO 70 MPH. THIS STORM HAS A HISTORY 
  OF WIND DAMAGE AND TORNADIC ACTIVITY.

* THE TORNADO WILL BE NEAR...
  QUARTZ AROUND 855 PM MDT...
  SUPERIOR...LOZEAU AND KEYSTONE AROUND 900 PM MDT.

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.

LAT...LON 4728 11485 4722 11479 4722 11472 4719 11472
      4710 11459 4697 11498 4697 11503 4711 11518
      4729 11492

$$
HENRY
000 
WWUS55 KMSO 300305
SVSMSO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
904 PM MDT FRI JUN 29 2007

MTC061-300314-
/O.CAN.KMSO.TO.W.0002.000000T0000Z-070630T0315Z/
MINERAL MT-
904 PM MDT FRI JUN 29 2007

...THE TORNADO WARNING FOR CENTRAL MINERAL COUNTY IS CANCELLED...

THE TORNADIC THUNDERSTORM HAS WEAKENED AND HAS EXITED THE AREA.

LAT...LON 4728 11485 4722 11479 4722 11472 4719 11472
      4710 11459 4697 11498 4697 11503 4711 11518
      4729 11492

$$
HENRY

The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 6:29 PM MDTSevere Thunderstorm WarningMSOLincoln61 min
Jun 29, 7:17 PM MDTSevere Thunderstorm WarningMSOLincoln58 min
Jun 29, 8:10 PM MDTSevere Thunderstorm WarningMSOMineral50 min
Jun 29, 9:50 PM MDTLake Wind AdvisoryMSOFlathead, Lake, Sanders5 hr
Jun 29, 9:59 PM MDTSevere Thunderstorm WarningMSOLake31 min

Nearby

Tornado Warnings in Montana, 2007Every tornado warning in 2007Tornadoes in 2007

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; radar from the NEXRAD Level II archive.