Alert archive / Montana / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 47, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Sep 7, 1995, 4:33 PM MDT for Silver Bow County, Montana. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Sep 7, 1995, 4:33 PM MDT (22:33 UTC)
- Expired
- Sep 7, 1995, 5:00 PM MDT
- In force
- 27 min
- Issued by
- NWS Missoula, MT
- Area
- Whole counties
County Silver Bow County, MT
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 10.6 hours before the alert went out and 234 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSO 072233 RRA SVRMSO MTC093-072300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 433 PM MDT THU SEP 7 1995 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... ... IN SOUTHWEST MONTANA ...NORTHERN SILVER BOW COUNTY AT 430PM MISSOULA DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST OF BUTTE MOVING TO THE NORTH-NORTHEAST AT 30 MILES AN HOUR. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE T>O A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
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, 1 hour 52 minutes earlier.
Area forecast discussion, Sep 7, 2:41 PM MDT, 1 hour 52 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.
In the hours before
Special weather statement, Sep 7, 3:10 PM MDT, 1 hour 23 minutes before
MTZ001-002-004-080300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 310 PM MDT THU SEP 7 1995 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR WESTERN MONTANA UNTIL 900 PM MDT... STRONG THUNDERSTORMS DEVELOPED ACROSS FAR WESTERN MONTANA AROUND 2PM THIS AFTERNOON. THESE STORMS WERE MOVING TOWARDS THE NORTH AT 35 MPH AND PROMPTED A SEVERE THUNDERSTORM WARNING FOR RAVALLI COUNTY. SCATTERED THUNDERSTORMS CAN BE EXPECTED ACROSS WESTERN MONTANA THE REST OF THIS AFTERNOON INTO THIS EVENING. A FEW OF THESE STORMS MAY BECOME SEVERE PRODUCING LARGE HAIL...DAMAGING WINDS AND HEAVY DOWNPOURS. THE FOLLOWING COUNTIES ARE INCLUDED IN THIS WATCH...FLATHEAD...LINCOLN ...LAKE...SANDERS...MINERAL...MISSOULA...POWELL...GRANITE...RAVALLI... DEER LODGE...SILVER BOW...BEAVERHEAD AND MADISON. PERSONS IN THE ABOVE COUNTIES OF WESTERN MONTANA SHOULD REMAIN ALERT THIS AFTERNOON AND EVENING. BE PREPARED TO SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES YOUR LOCATION. KRENZ
Special weather statement, Sep 7, 3:12 PM MDT, 1 hour 21 minutes before
MTZ001-002-004-080300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 310 PM MDT THU SEP 7 1995 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR WESTERN MONTANA UNTIL 900 PM MDT... STRONG THUNDERSTORMS DEVELOPED ACROSS FAR WESTERN MONTANA AROUND 2PM THIS AFTERNOON. THESE STORMS WERE MOVING TOWARDS THE NORTH AT 35 MPH AND PROMPTED A SEVERE THUNDERSTORM WARNING FOR RAVALLI COUNTY. SCATTERED THUNDERSTORMS CAN BE EXPECTED ACROSS WESTERN MONTANA THE REST OF THIS AFTERNOON INTO THIS EVENING. A FEW OF THESE STORMS MAY BECOME SEVERE PRODUCING LARGE HAIL...DAMAGING WINDS AND HEAVY DOWNPOURS. THE FOLLOWING COUNTIES ARE INCLUDED IN THIS WATCH...FLATHEAD...LINCOLN ...LAKE...SANDERS...MINERAL...MISSOULA...POWELL...GRANITE...RAVALLI... DEER LODGE...SILVER BOW...BEAVERHEAD AND MADISON. PERSONS IN THE ABOVE COUNTIES OF WESTERN MONTANA SHOULD REMAIN ALERT THIS AFTERNOON AND EVENING. BE PREPARED TO SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES YOUR LOCATION. KRENZ
Special weather statement, Sep 7, 3:15 PM MDT, 1 hour 18 minutes before
MTZ001-220300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KALISPELL MT 315 PM MDT THU SEP 07 1995 ...SEVERE THUNDERSTORM WATCH ISSUED FOR WESTERN MONTANA INCLUDING LINCOLN AND FLATHEAD COUNTIES EFFECTIVE UNTIL 900 PM MDT... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL OF WESTERN MONTANA INCLUDING BOTH LINCOLN AND FLATHEAD COUNTIES. THE SEVERE THUNDERSTORM WATCH IS IN EFFECT THIS THURSDAY AFTERNOON AND EVENING UNTIL 900 PM MDT. SOME CITIES IN THE WATCH AREA INCLUDE KALISPELL...POLSON...LIBBY...AND THOMPSON FALLS. SEVERE THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON IN EXTREME SOUTHWESTERN MONTANA...AND STRONG THUNDERSTORMS CAN BE EXPECTED ACROSS WESTERN MONTANA THE REST OF THIS AFTERNOON INTO THIS EVENING. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. END/JLP
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 2:19 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 56 min |
| 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 |
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.