Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 15, NWS Missoula, MT

July 9, 1995Ravalli County, Montana

NWS Missoula, MT issued this severe thunderstorm warning at Jul 9, 1995, 4:37 PM MDT for Ravalli County, Montana. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1995, 4:37 PM MDT (22:37 UTC)
Expired
Jul 9, 1995, 5:30 PM MDT
In force
53 min
Issued by
NWS Missoula, MT
Area
Whole counties

County Ravalli County, MT

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 10.6 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.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 12:00Z on 1995-07-09Temperature 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 12:00Z on 1995-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.1939587897Sfc1 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
1266 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 11:15 AM MDT, 5 hours 22 minutes before
MTZ002-091815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
1115 AM MDT SUN JUL 9 1995

...THUNDERSTORMS MOVING ACROSS SOUTHWEST MONTANA...

A LINE OF THUNDERSTORMS IN SOUTHWEST MONTANA CONTINUES TO MOVE TO THE
NORTHEAST AT 30 MILES AN HOUR.

THE THUNDERSTORMS HAVE JUST MOVED INTO SOUTHERN MISSOULA COUNTY.  THEY
ALSO EXTEND ACROSS THE NORTHERN PORTIONS OF RAVALLI AND GRANITE
COUNTIES...AND HAVE JUST MOVED INTO SOUTHERN POWELL COUNTY.

MOST OF THE THUNDERSTORM ACTIVITY FROM THIS FIRST BAND WILL STAY EAST
OF MISSOULA...CLIPPING THE SOUTHEAST CORNER OF MISSOULA COUNTY.
HOWEVER...RADAR CONTINUES TO DETECT THUNDERSTORMS MOVING THROUGH CENTRAL
IDAHO TOWARD THE SOUTHWEST CORNER OF MONTANA.

PERSONS IN THE WESTERN PART OF MONTANA SHOULD BE PREPARED FOR
THUNDERSTORMS THROUGH THE REMAINDER OF THE DAY AND INTO THE NIGHTTIME
HOURS.

WHITMORE/NWSO MSO
Special weather statement, Jul 9, 11:23 AM MDT, 5 hours 14 minutes before
MTZ002-091815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
1115 AM MDT SUN JUL 9 1995

...THUNDERSTORMS MOVING ACROSS SOUTHWEST MONTANA...

A LINE OF THUNDERSTORMS IN SOUTHWEST MONTANA CONTINUES TO MOVE TO THE
NORTHEAST AT 30 MILES AN HOUR.

THE THUNDERSTORMS HAVE JUST MOVED INTO SOUTHERN MISSOULA COUNTY.  THEY
ALSO EXTEND ACROSS THE NORTHERN PORTIONS OF RAVALLI AND GRANITE
COUNTIES...AND HAVE JUST MOVED INTO SOUTHERN POWELL COUNTY.

MOST OF THE THUNDERSTORM ACTIVITY FROM THIS FIRST BAND WILL STAY EAST
OF MISSOULA...CLIPPING THE SOUTHEAST CORNER OF MISSOULA COUNTY.
HOWEVER...RADAR CONTINUES TO DETECT THUNDERSTORMS MOVING THROUGH CENTRAL
IDAHO TOWARD THE SOUTHWEST CORNVER OF MONTANA.

PERSONS IN THE WESTERN PART OF MONTANA SHOULD BE PREPARED FOR
THUNDERSTORMS THROUGH THE REMAINDER OF THE DAY AND INTO THE NIGHTTIME
HOURS.

WHITMORE/NWSO MSO
Special weather statement, Jul 9, 12:45 PM MDT, 3 hours 52 minutes before
MTZ004-091945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
1245 PM MDT SUN JUL 9 1995

...FAST MOVING THUNDERSTORMS ENTERING BEAVER HEAD COUNTY...

AT 12:35 PM DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS
MOVING INTO THE NORTHEASTERN PORTIONS OF BEAVER HEAD COUNTY FROM IDAHO.

THESE STORMS ARE MOVING TO THE NORTHEAST AT 35 MILES AN HOUR.  THIS WILL
PUT THE NORTHERN END OF THE LINE NEAR WISDOM, MONTANA AROUND 1:30 PM.
THE SOUTHERN END OF THE LINE OF STORMS WILL BE NEAR DILLON AND
INTERSTATE 15 ALSO AROUND 1:30 PM.

RADAR INDICATES THE STORMS ARE QUITE STRONG.  PERSONS IN THE VICINITY
SHOULD EXPECT STRONG WIND GUSTS...FREQUENT LIGHTNING...SMALL HAIL...AND
BRIEF HEAVY RAIN.

THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER SOUTHWESTERN MONTANA
THROUGHOUT THE AFTERNOON AND WELL INTO THE NIGHTTIME HOURS.

WHITMORE/NWSO MSO
Special weather statement, Jul 9, 12:47 PM MDT, 3 hours 50 minutes before
MTZ004-091945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
1245 PM MDT SUN JUL 9 1995

...FAST MOVING THUNDERSTORMS ENTERING BEAVER HEAD COUNTY...

AT 12:35 PM DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS
MOVING INTO THE NORTHEASTERN PORTIONS OF BEAVER HEAD COUNTY FROM IDAHO.

THESE STORMS ARE MOVING TO THE NORTHEAST AT 35 MILES AN HOUR.  THIS WILL
PUT THE NORTHERN END OF THE LINE NEAR WISDOM, MONTANA AROUND 1:30 PM.
THE SOUTHERN END OF THE LINE OF STORMS WILL BE NEAR DILLON AND
INTERSTATE 15 ALSO AROUND 1:30 PM.

RADAR INDICATES THE STORMS ARE QUITE STRONG.  PERSONS IN THE VICINITY
SHOULD EXPECT STRONG WIND GUSTS...FREQUENT LIGHTNING...SMALL HAIL...AND
BRIEF HEAVY RAIN.

THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER SOUTHWESTERN MONTANA
THROUGHOUT THE AFTERNOON AND WELL INTO THE NIGHTTIME HOURS.

WHITMORE/NWSO MSO
Special weather statement, Jul 9, 1:55 PM MDT, 2 hours 42 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, 2 hours 38 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
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 6:44 PM MDTSevere Thunderstorm WarningMSOMissoula26 min
Jul 9, 5:00 PM MDTSevere Thunderstorm WarningMSORavalli30 min
Jul 9, 5:25 PM MDTSevere Thunderstorm WarningMSOGranite, Ravalli35 min
Jul 9, 5:30 PM MDTSevere Thunderstorm WarningMSOGranite60 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.