Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 42, NWS Missoula, MT

August 10, 1995Flathead County, Montana

NWS Missoula, MT issued this severe thunderstorm warning at Aug 10, 1995, 8:02 PM MDT for Flathead County, Montana. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Aug 10, 1995, 8:02 PM MDT (02:02 UTC)
Expired
Aug 10, 1995, 8:45 PM MDT
In force
43 min
Issued by
NWS Missoula, MT
Area
Whole counties

County Flathead County, MT

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 2.0 hours before the alert went out and 187 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 00:00Z on 1995-08-11Temperature 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 00:00Z on 1995-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.19395878Sfc1 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
2882 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
110 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 110201 RRA
SVRMSO
MTC029-110245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
802 PM MDT THU AUG 10 1995
 
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...                     ...
 
IN NORTHWEST MONTANA
 
   ...CENTRAL FLATHEAD COUNTY
 
AT 8PM MDT A SEVERE THUNDERSTORM WAS OVER KALISPELL. A SPOTTER REPORTED
UP TH NICKEL SIZED HAIL WITH THIS STORM. MISSOULA DOPPLER RADAR
INDICATED THE STORM WAS MOVING TO THE NORTHEAST AT 30 MILES AN
HOUR...TOWARDS COLUMBIA FALLS MT.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUInLDING.  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.

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.

In the hours before

Special weather statement, Aug 10, 6:20 PM MDT, 1 hour 42 minutes before
MTZ001-110030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KALISPELL MT
620 PM MDT THU AUG 10 1995

...THUNDERSTORMS MOVING INTO FLATHEAD COUNTY...

AT 505 PM MDT MISSOULA DOPPLER RADAR INDICATED A THUNDERTORM 30 MILES
NORTH OF SEELEY LAKE AND A LINE OF THUNDERSTORMS CURRENTLY IN SANDERS
COUNTY. THESE THUNDERSTORMS ARE MOVING TO THE NORTHEAST AND WILL BE
MOVING INTO FLATHEAD COUNTY THIS BY 700 PM THIS EVENING. BRIEF HEAVY
RAINS... GUSTY WINDS TO 40 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE
WITH THESE THUNDERSTORMS.

BOATERS AND OTHER RECREATIONALISTS SHOULD MONITOR SKIES CLOSELY...
AND IF THREATNING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY.
LISTEN TO THE LATEST WEATHER INFORMATION ON NOAA WEATHER RADIO...OR
YOUR LOCAL RADIO AND TV STATIONS.

END/RP
Special weather statement, Aug 10, 6:26 PM MDT, 1 hour 36 minutes before
MTZ001-110030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KALISPELL MT
620 PM MDT THU AUG 10 1995

...THUNDERSTORMS MOVING INTO FLATHEAD COUNTY...

AT 505 PM MDT MISSOULA DOPPLER RADAR INDICATED A THUNDERTORM 30 MILES
NORTH OF SEELEY LAKE AND A LINE OF THUNDERSTORMS CURRENTLY IN SANDERS
COUNTY. THESE THUNDERSTORMS ARE MOVING TO THE NORTHEAST AND WILL BE
MOVING INTO FLATHEAD COUNTY THIS BY 700 PM THIS EVENING. BRIEF HEAVY
RAINS... GUSTY WINDS TO 40 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE
WITH THESE THUNDERSTORMS.

BOATERS AND OTHER RECREATIONALISTS SHOULD MONITOR SKIES CLOSELY...
AND IF THREATNING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY.
LISTEN TO THE LATEST WEATHER INFORMATION ON NOAA WEATHER RADIO...OR
YOUR LOCAL RADIO AND TV STATIONS.

END/RP
Special weather statement, Aug 10, 7:20 PM MDT, 42 minutes before
MTZ001-120030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KALISPELL MT
720 PM MDT THU AUG 10 1995

...THUNDERSTORMS MOVING INTO FLATHEAD AND LINCLON COUNTY...

AT 705 PM MDT MISSOULA DOPPLER RADAR INDICATED NUMEROUS THUNDERSTORMS
DEVELOPING IN AND MOVING INTO FLATHEAD COUNTY. THESE THUNDERSTORMS
ARE MOVING TO THE NORTHEAST WITH THE STRONGEST CELLS 10 MILES NORTH
OF LIBBY AND ANOTHER 10 MILES EAST OF KALISPELL. BRIEF HEAVY RAINS...
GUSTY WINDS TO 40 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE WITH
THESE THUNDERSTORMS.

BOATERS AND OTHER RECREATIONALISTS SHOULD MONITOR SKIES CLOSELY...
AND IF THREATNING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY.
LISTEN TO THE LATEST WEATHER INFORMATION ON NOAA WEATHER RADIO...OR
YOUR LOCAL RADIO AND TV STATIONS.

END/RP
Special weather statement, Aug 10, 7:30 PM MDT, 32 minutes before
MTZ001-120030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KALISPELL MT
720 PM MDT THU AUG 10 1995

...THUNDERSTORMS MOVING INTO FLATHEAD AND LINCLON COUNTY...

AT 705 PM MDT MISSOULA DOPPLER RADAR INDICATED NUMEROUS THUNDERSTORMS
DEVELOPING IN AND MOVING INTO FLATHEAD COUNTY. THESE THUNDERSTORMS
ARE MOVING TO THE NORTHEAST WITH THE STRONGEST CELLS 10 MILES NORTH
OF LIBBY AND ANOTHER 10 MILES EAST OF KALISPELL. BRIEF HEAVY RAINS...
GUSTY WINDS TO 40 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE WITH
THESE THUNDERSTORMS.

BOATERS AND OTHER RECREATIONALISTS SHOULD MONITOR SKIES CLOSELY...
AND IF THREATNING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY.
LISTEN TO THE LATEST WEATHER INFORMATION ON NOAA WEATHER RADIO...OR
YOUR LOCAL RADIO AND TV STATIONS.

END/RP
Special weather statement, Aug 10, 7:55 PM MDT, 7 minutes before
MTZ002-110300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
755 PM MDT THU AUG 10 1995

...STRONG THUNDERSTORMS OVER WEST CENTRAL MONTANA...

AT 750 PM MDT...MISSOULA DOPPLER RADAR CONTINUED TO SHOW STRONG
THUNDERSTORMS OVER WEST CENTRAL MONTANA.  THE STRONGEST STORMS WERE
LOCATED OVER WESTERN MISSOULA COUNTY 10 MILES WEST OF MISSOULA...AND
SOUTHERN LAKE COUNTY...10 MILES SOUTHWEST OF RONAN. A WEATHER SPOTTER IN
FRENCHTOWN REPORTED PEA SIZE HAIL AND WIND GUSTS TO 40 MPH. SMALL
HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THESE
STORMS.

ELSEWHERE...THUNDERSTORMS WERE OCCURRING OVER CENTRAL POWELL COUNTY WITH
THE STRONGEST STORM 5 MILES SOUTHWEST OF OVANDO.  ALL THUNDERSTORM
ACTIVITY WAS MOVING NORTHEAST AT ABOUT 30 MILES AN HOUR.

REMEMBER LIGHTNING IS A KILLER...IF THESE STORM APPROACH YOUR AREA SEEK
SHELTER. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION
STATIONS FOR FURTHER UPDATES.
MCGRATH
Special weather statement, Aug 10, 7:58 PM MDT, 4 minutes before
MTZ002-110300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
755 PM MDT THU AUG 10 1995

...STRONG THUNDERSTORMS OVER WEST CENTRAL MONTANA...

AT 750 PM MDT...MISSOULA DOPPLER RADAR CONTINUED TO SHOW STRONG
THUNDERSTORMS OVER WEST CENTRAL MONTANA.  THE STRONGEST STORMS WERE
LOCATED OVER WESTERN MISSOULA COUNTY 10 MILES WEST OF MISSOULA...AND
SOUTHERN LAKE COUNTY...10 MILES SOUTHWEST OF RONAN. A WEATHER SPOTTER IN
FRENCHTOWN REPORTED PEA SIZE HAIL AND WIND GUSTS TO 40 MPH. SMALL
HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THESE
STORMS.

ELSEWHERE...THUNDERSTORMS WERE OCCURRING OVER CENTRAL POWELL COUNTY WITH
THE STRONGEST STORM 5 MILES SOUTHWEST OF OVANDO.  ALL THUNDERSTORM
ACTIVITY WAS MOVING NORTHEAST AT ABOUT 30 MILES AN HOUR.

REMEMBER LIGHTNING IS A KILLER...IF THESE STORM APPROACH YOUR AREA SEEK
SHELTER. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION
STATIONS FOR FURTHER UPXDATES.
MCGRATH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 8:17 PM MDTSevere Thunderstorm WarningMSOMissoula28 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.