Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 45, NWS Missoula, MT

September 7, 1995Beaverhead County, Deer Lodge County, Granite County, Montana

NWS Missoula, MT issued this severe thunderstorm warning at Sep 7, 1995, 3:04 PM MDT for Beaverhead County, Deer Lodge County, Granite County, Montana. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Sep 7, 1995, 3:04 PM MDT (21:04 UTC)
Expired
Sep 7, 1995, 4:00 PM MDT
In force
56 min
Issued by
NWS Missoula, MT
Area
Whole counties

Counties Beaverhead County, MT, Deer Lodge County, MT, Granite County, MT

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 9.1 hours before the alert went out and 262 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, Great_falls, MT at 12:00Z on 1995-09-07Temperature 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, Great_falls, MT at 12:00Z on 1995-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.193958Sfc1 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
1208 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
53 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 
TTAA00 KMSO 072103 RRA
SVRMSO
MTC001-023-039-072200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
304 PM MDT THU SEP 7 1995
 
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST MONTANA
 
   ...NORTHERN BEAVERHEAD COUNTY...DEER LODGE COUNTY
 
IN WEST CENTRAL MONTANA
 
   ...GRANITE COUNTY
 
AT 300 PM MDT...MISSOULA DOPPLER RADAR INDICATED TWO SEVERE
THUNDERSTORMS. THE FIRST WAS LOCATED 20 MILES SOUTHWEST OF PHILIPSBURG
IN SOUTHERN GRANITE COUNTY. THE OTHER WAS LOCATED 30 MILES
SOUTH-SOUTHWEST OF PHILIPSBURG IN EXTREME NORTHWEST BEAVERHEAD COUNTY.
THESE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH AND ARE EXPECTED TO
MOVE INTO THE PHILIPSBURG AREA WITHIN THE NEXT HOUR.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
 
 
BELTZ

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Missoula, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 7, 2:41 PM MDT, 23 minutes earlier.

Area forecast discussion, Sep 7, 2:41 PM MDT, 23 minutes before
SEVERE WEATHER OCCURRING IN RAVALLI COUNTY AT THIS TIME AND
POSSIBLE IN BEAVERHEAD AS WELL...AS VORT LOBE AHEAD OF LOW
MOVES THROUGH THE AREA. ACTIVE WEATHER TO CONTINUE MAINLY IN
ZONE 2 AS UPPER LOW AND THERMAL TROF REMAIN OVER THIS AREA THROUGH
FRIDAY. AS UPPER LOW MOVES OVER WESTERN MT...IT WEAKENS AND FILLS
WITH MAIN ACTIVE TO BE IN THE SOUTH. BEST DYNAMICS THROUGH TONIGHT
OVER EASTERN ID AND SOUTHWEST MONTANA. THUNDERSTORM ACTIVITY SHOULD
REMAIN A FEW OVER ZONE 2 ON FRIDAY WITH SOME INSTABILITY...BUT SHOULD
END OVER ZONE 1. SOME CLEARING POSSIBLE FRIDAY NIGHT IN ZONE 1 FOR
COOLER TEMPS...IMPROVING CONDITIONS ALL AREAS ON SATURDAY BUT STILL
PARTLY CLOUDY. FELSCH

FCA 5310 48/70/40/70
LI|B 5310 46/68/38/68
POL 6321 52/70/44/70
MSO 7321 50/72/42/72
HMM 7421 50/72/42/72
.WESTERN MT .NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 2:19 PM MDTSevere Thunderstorm WarningMSORavalli56 min
Sep 7, 4:05 PM MDTSevere Thunderstorm WarningMSOSilver Bow25 min
Sep 7, 4:33 PM MDTSevere Thunderstorm WarningMSOSilver Bow27 min

Nearby

Severe Thunderstorm Warnings in Montana, 1995Every severe thunderstorm warning in 1995

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.