Alert archive / Montana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 4, NWS Missoula, MT

June 8, 2000Flathead County, Montana

NWS Missoula, MT issued this severe thunderstorm warning at Jun 8, 2000, 4:17 PM MDT for Flathead County, Montana. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 8, 2000, 4:17 PM MDT (22:17 UTC)
Expired
Jun 8, 2000, 5:00 PM MDT
In force
43 min
Issued by
NWS Missoula, MT
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Flathead County, MT

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 8, 3:15 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 10.3 hours before the alert went out and 183 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 12:00Z on 2000-06-08Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2000-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
1641 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
95 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.

464 
WUUS55 KMSO 082217
SVRMSO
MTC029-082300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
417 PM MDT THU JUN 8 2000

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL FLATHEAD COUNTY IN NORTHWEST MONTANA

* UNTIL 500 PM MDT

* AT 417 PM MDT...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES
  SOUTHEAST OF COLUMBIA FALLS...OR 8 MILES NORTHEAST OF EVERGREEN...
  MOVING NORTH AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  2 MILES EAST OF COLUMBIA FALLS AT 425 PM MDT
  7 MILES WEST OF WEST GLACIER AT 445 PM MDT

DAMAGING WINDS IN EXCESS OF 55 MPH ARE LIKELY WITH THIS SEVERE
THUNDERSTORM. LARGE HAIL IS POSSIBLE ALONG WITH DEADLY LIGHTNING AND
HEAVY RAINFALL. FOR YOUR PROTECTION...STAY INDOORS AWAY FROM WINDOWS.

IF YOU ARE CAUGHT OUTSIDE...MOVE TO A STURDY SHELTER OR WELL
PROTECTED AREA.


LAT...LON 4831 11432 4819 11413 4855 11382 4865 11426

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 11:53 PM MDTSevere Thunderstorm WarningMSOPowell37 min
Jun 8, 3:41 PM MDTSevere Thunderstorm WarningMSOFlathead49 min

Nearby

Severe Thunderstorm Warnings in Montana, 2000Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.