Alert archive / Montana / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 44, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Sep 7, 1995, 2:19 PM MDT for Ravalli County, Montana. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Sep 7, 1995, 2:19 PM MDT (20:19 UTC)
- Expired
- Sep 7, 1995, 3:15 PM MDT
- In force
- 56 min
- Issued by
- NWS Missoula, MT
- Area
- Whole counties
County Ravalli County, MT
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 8.3 hours before the alert went out and 250 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSO 072020 RRA SVRMSO MTC081-072115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 219 PM MDT THU SEP 7 1995 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... ... IN WEST CENTRAL MONTANA ...RAVALLI COUNTY DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES SOUTHWEST OF HAMILTON AT 215 PM MDT. THIS STORM WAS MOVING TOWARDS THE NORTHEAST AT ABOUT 35 MPH AND WILL BE MOVING INTO THE HAMILTON AREA BY 245 PM MDT. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND :VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. KRENZ
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, 8:57 AM MDT, 5 hours 22 minutes earlier.
Area forecast discussion, Sep 7, 8:57 AM MDT, 5 hours 22 minutes before
CLOSED UPPER LOW OVER CENTRAL WASHINGTON/OREGON BORDER STILL MOVING SLOWER THAN MODELS HAVE INDICATED LAST FEW DAYS. MODELS FORECASTING IT TO MOVE OVER WESTERN MONTANA AND WEAKEN BY LATE FRIDAY. SOME DIFFERENCES IN MOVEMENT OF VORT LOBES THROUGH THE LOW...BUT MAIN ACTION OF THUNDERSTORMS...POSSIBLY SEVERE LEVELS IN LEMHI COUNTY AND SW MT EXPECTED LATE TODAY AND THIS EVENING. GOOD JET DYNAMICS HIT SW MT THIS AFTERNOON...GOOD 300/700MB DIV/CONV OVER ID/MT BORDER SHIFTS TO SW MT TONIGHT...VORT LOBE THROUGH SW MT TODAY...K INDEX GREATER THAN 30...LOW LI AND THETA-E ALL IN PLACE FOR THIS AREA. MODERATE EASTERLY PRESSURE GRADIENT FROM GTF-MSO STILL HOLDING...BUT SHOULD WEAKEN SOME AS THERMAL TROF MOVES OVER WESTERN MONTANA THIS AFTERNOON. WILL ADJUST TEMPERATURES COOLER ON THE HIGHS AND WARMER ON THE MINS WITH MORE CLOUD COVER THROUGH THE PERIOD. FELSCH FCA 565 74/48/70 LIB 565 70/46/68 POL 565 72/50/70 MSO 565 77/50/74 HMM 565 78/48/76^ .WESTERN MT .NONE.
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 3:04 PM MDT | Severe Thunderstorm Warning | MSO | Beaverhead, Deer Lodge, Granite | 56 min |
| Sep 7, 4:05 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 25 min |
| Sep 7, 4:33 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 27 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.