Alert archive / Montana / Tornado Warnings in 2005

Tornado Warning 13, NWS Glasgow, MT

June 28, 2005Petroleum County, Montana

NWS Glasgow, MT issued this tornado warning at Jun 28, 2005, 1:31 PM MDT for Petroleum County, Montana. It was in force for 51 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 28, 2005, 1:31 PM MDT (19:31 UTC)
Expired: Jun 28, 2005, 2:22 PM MDT
In force: 51 min
Issued by: NWS Glasgow, MT
Area: Counties, with a storm outline in the text

County Petroleum County, MT

The radar

The Billings radar (KBLX), 143 km from the middle of the area, began a volume at 19:33 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

Time	Report	Where	Remark
Jun 28, 1:50 PM MDT	HAIL 1	Winnett, MT

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
Jun 28, 1:30 PM MDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 7.5 hours before the alert went out and 171 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 55 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 KGGW 281930
TORGGW
MTC069-282030-
/O.NEW.KGGW.TO.W.0013.050628T1931Z-050628T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GLASGOW MT
131 PM MDT TUE JUN 28 2005

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL PETROLEUM COUNTY IN NORTHEAST MONTANA.

* UNTIL 230 PM MDT

* AT 129 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR WINNETT...AND MOVING EAST AT 30 MPH.

* THIS TORNADIC STORM WILL REMAIN OVER...
  RURAL AREAS OF CENTRAL PETROLEUM COUNTY
  RURAL AREAS OF EASTERN PETROLEUM COUNTY

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT TUESDAY EVENING
FOR NORTHEAST MONTANA.

LAT...LON 4730 10858 4711 10861 4681 10861 4681 10796
      4731 10799 4730 10831

$$

JAZ

WEATHER.GOV/GLASGOW

2 follow-up statements

000 
WWUS55 KGGW 282001
SVSGGW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
159 PM MDT TUE JUN 28 2005

MTC069-282030-
/O.CON.KGGW.TO.W.0013.000000T0000Z-050628T2030Z/
PETROLEUM-
159 PM MDT TUE JUN 28 2005

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL PETROLEUM COUNTY
UNTIL 230 PM MDT...

AT 156 PM MDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO.  THIS STORM
WAS LOCATED NEAR WINNETT...MOVING EAST AT 20 MPH.

THIS TORNADO PRODUCING STORM WILL BE...
   NEAR CAT CREEK BY 230 PM MDT

IN ADDITION TO THE TORNADO...QUARTER SIZED HAIL HAS BEEN REPORTED 
WITH THIS STORM.

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 800 PM MDT TUESDAY EVENING
FOR NORTHEAST MONTANA.

LAT...LON 4730 10838 4711 10838 4682 10838 4681 10796
      4731 10799 4730 10818

$$

JAZ

WEATHER.GOV/GLASGOW

000 
WWUS55 KGGW 282022
SVSGGW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
221 PM MDT TUE JUN 28 2005

MTC069-282031-
/O.CAN.KGGW.TO.W.0013.000000T0000Z-050628T2030Z/
PETROLEUM-
221 PM MDT TUE JUN 28 2005

...THE TORNADO WARNING FOR CENTRAL PETROLEUM COUNTY HAS BEEN
CANCELLED...

AT 217 PM MDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER 
POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE 
TORNADO WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT TUESDAY EVENING
FOR NORTHEAST MONTANA.

LAT...LON 4730 10838 4711 10838 4682 10838 4681 10796
      4731 10799 4730 10818

$$

JAZ

WEATHER.GOV/GLASGOW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 7:17 PM MDT	Flash Flood Warning	GGW	Petroleum	3 hr
Jun 28, 1:08 PM MDT	Severe Thunderstorm Warning	GGW	Petroleum	67 min
Jun 28, 2:59 PM MDT	Severe Thunderstorm Warning	GGW	Petroleum	28 min
Jun 28, 4:49 PM MDT	Severe Thunderstorm Warning	GGW	Petroleum	56 min
Jun 28, 5:02 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Petroleum	58 min
Jun 28, 5:17 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Phillips	58 min
Jun 28, 5:28 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Petroleum	62 min
Jun 28, 5:45 PM MDT	Severe Thunderstorm Warning	GGW	Phillips, Valley	60 min
Jun 28, 5:54 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Petroleum	66 min
Jun 28, 5:59 PM MDT	Severe Thunderstorm Warning	GGW	Phillips	61 min

Nearby

Tornado Warnings in Montana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.