Alert archive / Montana / Tornado Warnings in 2000

Tornado Warning 3, NWS Glasgow, MT

June 7, 2000Valley County, Montana

NWS Glasgow, MT issued this tornado warning at Jun 7, 2000, 9:06 PM MDT for Valley County, Montana. It was in force for 54 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 7, 2000, 9:06 PM MDT (03:06 UTC)
Expired
Jun 7, 2000, 10:00 PM MDT
In force
54 min
Issued by
NWS Glasgow, MT
Area
Whole counties

County Valley County, MT

The radar

The Glasgow radar (KGGW), 18 km from the middle of the area, began a volume at 03:08 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 7, 9:25 PM MDTTornado F0Glasgow, MTSkywarn spotters reported a tornado near the Burke Ranch in southwest Valley County. The tornado remained in rural grazing land and did not cause any damage.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 7, 5:45 PM MDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 3.1 hours before the alert went out and 17 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, Glasgow Intl Airport, MT at 00:00Z on 2000-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 334 joules per kilogram.LCLLFCEL10008507005003002001001 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, Glasgow Intl Airport, MT at 00:00Z on 2000-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
334 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
2825 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

008 
WFUS55 KGGW 080308
TORGGW
MTC105-080400-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GLASGOW MT
906 PM MDT WED JUN 7 2000

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN VALLEY COUNTY IN NORTHEAST MONTANA

* UNTIL 1000 PM MDT

* AT 858 PM MDT...RADAR INDICATED A TORNADO 38 MILES WEST OF THE  
PINES RECREATION AREA...OR ABOUT 41 MILES NORTHWEST OF JORDAN...  
MOVING EAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  THE PINES RECREATION AREA AT 950 PM MDT
  DUCK CREEK FISHING ACCESS SITE AT 955 PM MDT

PROTON/MCNULTY

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:15 PM MDTTornado WarningGGWPhillips60 min
Jun 7, 8:15 PM MDTTornado WarningGGWPhillips45 min
Jun 7, 11:08 PM MDTSevere Thunderstorm WarningGGWValley67 min
Jun 8, 12:05 AM MDTSevere Thunderstorm WarningGGWValley55 min
Jun 8, 12:13 AM MDTSevere Thunderstorm WarningGGWRoosevelt, Valley62 min
Jun 8, 12:42 AM MDTSevere Thunderstorm WarningGGWRoosevelt63 min
Jun 8, 12:54 AM MDTSevere Thunderstorm WarningGGWValley51 min
Jun 8, 1:22 AM MDTSevere Thunderstorm WarningGGWSheridan38 min
Jun 8, 1:58 AM MDTSevere Thunderstorm WarningGGWRoosevelt62 min
Jun 8, 2:37 AM MDTSevere Thunderstorm WarningGGWSheridan53 min

Nearby

Tornado Warnings in Montana, 2000Every tornado warning in 2000Tornadoes in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.