Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 20, NWS Missoula, MT

July 9, 1995Lincoln County, Montana

NWS Missoula, MT issued this severe thunderstorm warning at Jul 9, 1995, 7:10 PM MDT for Lincoln County, Montana. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1995, 7:10 PM MDT (01:10 UTC)
Expired
Jul 9, 1995, 8:00 PM MDT
In force
50 min
Issued by
NWS Missoula, MT
Area
Whole counties

County Lincoln County, MT

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 1.2 hours before the alert went out and 119 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 1995-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 736 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1995-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.19395878Sfc1 km3 km6 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
736 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1624 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KFCA 100110 RRA
SVRFCA
MTC029-053-100200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KALISPELL MT
710 PM MDT SUN JUL 09 1995

THE NATIONAL WEATHER SERVICE IN KALISPELL MT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN NORTHWEST MONTANA

  ...NORTHERN LINCOLN COUNTY

AT 6:55 PM MDT MISSOULA DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
APPROXIMATELY 20 MILES SOUTHWEST OF EUREKA MONTANA. THE STORM WAS
MOVING TO THE NORTHEAST AT 35 MPH AND WILL AFFECT RESIDENTS IN AND
NEAR THE EUREKA AREA IN THE NEXT 15 TO 30 MINUTES. 

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HALI...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.

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, Jul 9, 1:55 PM MDT, 5 hours 15 minutes before
MTZ002-004-092045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
155 PM MDT SUN JUL 9 1995

...THUNDERSTORMS CONTINUE IN SOUTHWEST MONTANA...

AT 145 PM MDT DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS
ENTERING SILVER BOW COUNTY AND EXTREME NORTHWEST MADISON COUNTY.
THEY WERE JUST NORTHEAST OF THE TOWNS OF WISE RIVER AND DIVIDE
AND EXTEND SOUTH TO NEAR DILLON. THESE THUNDERSTORMS WERE MOVING
NORTHEAST AT 35 MILES AN HOUR. HAIL A HALF INCH IN DIAMTER WAS
REPORTED WITH THESE THUNDERSTORMS AT WISE RIVER AND DILLON.

PEOPLE IN THE PATH OF THE THUNDERSTORMS CAN EXPECTED BRIEF HEAVY RAIN
HAIL AND DANGEROUS LIGHTNING...AND GUSTY WINDS TO 50 MILES AN HOUR.

DOPPLER RADAR ALSO SHOWED AN AREA OF MOSTLY LIGHT RAINSHOWERS OVER
THE BITTERROOT RANGE ABOUT 35 MILES SOUTHWEST OF MISSOULA AND MOVING
NORTHEAST AT 35 MILES AN HOUR. THEY WILL BE IN THE MISSOULA AREA
BETWEEN 215 PM AND 300 PM MDT.
GV
&
Special weather statement, Jul 9, 1:59 PM MDT, 5 hours 11 minutes before
MTZ002-004-092045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
155 PM MDT SUN JUL 9 1995

...THUNDERSTORMS CONTINUE IN SOUTHWEST MONTANA...

AT 145 PM MDT DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS
ENTERING SILVER BOW COUNTY AND EXTREME NORTHWEST MADISON COUNTY.
THEY WERE JUST NORTHEAST OF THE TOWNS OF WISE RIVER AND DIVIDE
AND EXTEND SOUTH TO NEAR DILLON. THESE THUNDERSTORMS WERE MOVING
NORTHEAST AT 35 MILES AN HOUR. HAIL A HALF INCH IN DIAMTER WAS
REPORTED WITH THESE THUNDERSTORMS AT WISE RIVER AND DILLON.

PEOPLE IN THE PATH OF THE THUNDERSTORMS CAN EXPECTED BRIEF HEAVY RAIN
HAIL AND DANGEROUS LIGHTNING...AND GUSTY WINDS TO 50 MILES AN HOUR.

DOPPLER RADAR^ ALSO SHOWED AN AREA OF MOSTLY LIGHT RAINSHOWERS OVER
THE BITTERROOT RANGE ABOUT 35 MILES SOUTHWEST OF MISSOULA AND MOVING
NORTHEAST AT 35 MILES AN HOUR. THEY WILL BE IN THE MISSOULA AREA
BETWEEN 215 PM AND 300 PM MDT.
GV
&
Special weather statement, Jul 9, 6:15 PM MDT, 55 minutes before
MTZ001-100400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KALISPELL MT
615 PM MDT SUN JUL 09 1995

...SEVERE THUNDERSTORM WATCH ISSUED FOR WESTERN MONTANA INCLUDING
FLATHEAD AND LINCOLN COUNTIES UNTIL 1000 PM THIS EVENING...

THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE
THUNDERSTORM WATCH FOR WESTERN MONTANA...INCLUDING BOTH FLATHEAD AND
LINCOLN COUNTIES...UNTIL 1000 PM MDT TONIGHT.

SOME OF THE CITIES IN THE WATCH AREA INCLUDE...LIBBY...THOMPSON
FALLS...KALISPELL...POLSON...CUT BANK...MISSOULA...AND HAMILTON.

AT 6:15 PM MDT MISSOULA DOPPLER RADAR INDICATED STRONG THUNDERSTORMS
WERE DEVELOPING IN NORTHERN IDAHO AND LINCOLN COUNTY. THE STRONGEST
STORMS WERE IN THE IDAHO PANHANDLE AND MOVING TO THE NORTHEAST AT
APPROXIMATELY 35 MPH...ANY WILL BE ENTERING NORTHWESTERN MONTANA
WITHIN THE NEXT HOUR. OTHER STRONG STORMS WERE LOCATED 5 MILES SOUTH
OF TROY...AND 2 MILES SOUTH OF LIBBY MONTANA.

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 THREATNING 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.

IssuedProductOfficeCountiesLasted
Jul 9, 6:30 PM MDTSevere Thunderstorm WarningMSOGranite, Powell25 min
Jul 9, 11:45 PM MDTSevere Thunderstorm WarningMSOFlathead45 min
Jul 10, 1:35 PM MDTSevere Thunderstorm WarningMSOPowell40 min
Jul 10, 2:19 PM MDTSevere Thunderstorm WarningMSOPowell26 min
Jul 10, 2:44 PM MDTSevere Thunderstorm WarningMSODeer Lodge36 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.