Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 5, NWS Great Falls, MT

June 5, 1995Chouteau County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jun 5, 1995, 2:53 PM MDT for Chouteau County, Montana. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jun 5, 1995, 2:53 PM MDT (20:53 UTC)
Expired
Jun 5, 1995, 4:00 PM MDT
In force
67 min
Issued by
NWS Great Falls, MT
Area
Whole counties

County Chouteau County, MT

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 8.9 hours before the alert went out and 48 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, Great_falls, MT at 12:00Z on 1995-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 joules per kilogram.LCLLFCEL10008507005003002001001 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, Great_falls, MT at 12:00Z on 1995-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939Sfc1 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
46 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
1320 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
74 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 KGTF 052057 RRA
SVRGTF
MTC015-052200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
253 PM MDT MON JUN 5 1995
 
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL MONTANA
 
   ...CENTRAL CHOUTEAU COUNTY
 
RADAR SHOWS A SEVERE THUNDERSTORMS AT FORT BENTON...MOVING NORTH
NORTHEAST AT 25 MPH. GOLF BALL SIZED HAIL HAS BEEN REPORTED IN FORT
BENTON.
 
 
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 TO 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.

In the hours before

Special weather statement, Jun 5, 12:23 PM MDT, 2 hours 30 minutes before
MTZ006-060230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1221 PM MDT MON JUN 5 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF WEST AND
CENTRAL MONTANA...

A STRONG COLD FRONT LOCATED OVER WESTERN MONTANA IN CONJUNCTION
WITH A MOIST AIR MASS WILL GENERATE THUNDERSTORMS THROUGHOUT THE
AFTERNOON AND EVENING.  THUNDERSTORMS WILL GENERALLY MOVE IN A
NORTHEASTERLY DIRECTION.

THESE STORMS LIKELY WILL CONTAIN STRONG WINDS...HAIL...AND
DEADLY LIGHTNING.

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 LATER STATEMENTS
AND POSSIBLE WARNINGS.

THIS THUNDERSTORM WATCH WILL REMAIN IN EFFECT UNTIL 8:00 PM MDT.

DLR
Special weather statement, Jun 5, 2:00 PM MDT, 53 minutes before
MTZ005-006-052100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
200 PM MDT MON JUN 5 1995

...THE SEVERE THUNDERSTORM WARNINGS FOR CASCADE AND TETON COUNTIES HAVE
EXPIRED...

A LARGE AREA OF THUNDERSTORMS CONTINUES OVER PARTS OF NORTH CENTRAL AND
CENTRAL MONTANA.  A LINE EXTENDS FROM SOUTH OF CUTBANK TO JUST NORTH
OF GREAT FALLS AND ANOTHER LINE EXTENDS FROM 40 MILES NORTH OF HELENA
FALLS TO 45 MILES SOUTHEAST HELENA.  THESE STORMS ARE GENERALLY MOVING
IN A NORTHEASTERLY DIRECTION AT ABOUT 20 TO 25 MPH.

THESE THUNDERSTORMS ARE PRODUCING STRONG WINDS...HEAVY RAIN...AND HAIL
AT TIMES.  STORMS HAVE ALSO CAUSED PONDING OF WATER IN LOW LYING AREAS.

PERSONS IN THE PATH OF THESE STORMS SHOULD REMAIN ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF THREATENING WEATHER
APPROACHES.
Special weather statement, Jun 5, 2:01 PM MDT, 52 minutes before
MTZ005-006-052100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
200 PM MDT MON JUN 5 1995

...THE SEVERE THUNDERSTORM WARNINGS FOR CASCADE AND TETON COUNTIES HAVE
EXPIRED...

A LARGE AREA OF THUNDERSTORMS CONTINUES OVER PARTS OF NORTH CENTRAL AND
CENTRAL MONTANA.  A LINE EXTENDS FROM SOUTH OF CUTBANK TO JUST NORTH
OF GREAT FALLS AND ANOTHER LINE EXTENDS FROM 40 MILES NORTH OF HELENA
FALLS TO 45 MILES SOUTHEAST HELENA.  THESE STORMS ARE GENERALLY MOVING
IN A NORTHEASTERLY DIRECTION AT ABOUT 20 TO 25 MPH.

THESE THUNDERSTORMS ARE PRODUCING STRONG WINDS...HEAVY RAIN...AND HAIL
AT TIMES.  STORMS HAVE ALSO CAUSED PONDING OF WATER IN LOW LYING AREAS.

PERSONS IN THE PfATH OF THESE STORMS SHOULD REMAIN ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF THREATENING WEATHER
APPROACHES.
Special weather statement, Jun 5, 2:07 PM MDT, 46 minutes before
MTZ005-006-052100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
200 PM MDT MON JUN 5 1995

...THE SEVERE THUNDERSTORM WARNINGS FOR CASCADE AND TETON COUNTIES HAVE
EXPIRED...

A LARGE AREA OF THUNDERSTORMS CONTINUES OVER PARTS OF NORTH CENTRAL AND
CENTRAL MONTANA.  A LINE EXTENDS FROM SOUTH OF CUTBANK TO JUST NORTH
OF GREAT FALLS AND ANOTHER LINE EXTENDS FROM 40 MILES NORTH OF HELENA
TO 45 MILES SOUTHEAST HELENA.  THESE STORMS ARE GENERALLY MOVING
IN A NORTHEASTERLY DIRECTION AT ABOUT 20 TO 25 MPH.

THESE THUNDERSTORMS ARE PRODUCING STRONG WINDS...HEAVY RAIN...AND HAIL
AT TIMES.  STORMS HAVE ALSO CAUSED PONDING OF WATER IN LOW LYING AREAS.

PERSONS IN THE PATH OF |THESE STORMS SHOULD REMAIN ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF THREATENING WEATHER
APPROACHES.
Special weather statement, Jun 5, 2:40 PM MDT, 13 minutes before
MTZ005-006-052200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
240 PM MDT MON JUN 5 1995

...STRONG THUNDERSTORM IN SOUTHERN CASCADE COUNTY...

WSR-88D RADAR INDICATES A LINE OF STRONG THUNDERSTORMS 20 MILES SOUTHWEST
TO 20 MILES SOUTHEAST OF GREAT FALLS MOVING NORTH AT 20 TO 25 MPH.

THIS THUNDERSTORM WILL PRODUCE STRONG WINDS...HEAVY RAIN...DANGEROUS
LIGHTNING AND POSSIBLY HAIL AT TIMES.

PERSONS IN SOUTHERN CASCADE COUNTY SHOULD REMAIN ALERT FOR
CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF THREATENING WEATHER
APPROACHES.

VOSS

TSHORNE AND PITTSBURG ARE NEAR THE PATH OF
THESE STORMS.

HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA.

DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS.
TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE
OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY.
MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER
DRIVE ONTO A FLOODED ROAD.

KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
Special weather statement, Jun 5, 2:48 PM MDT, 5 minutes before
MTZ005-006-052200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
240 PM MDT MON JUN 5 1995

...STRONG THUNDERSTORM IN SOUTHERN CASCADE COUNTY...

WSR-88D RADAR INDICATES A LINE OF STRONG THUNDERSTORMS 20 MILES SOUTHWEST
TO 20 MILES SOUTHEAST OF GREAT FALLS MOVING NORTH AT 20 TO 25 MPH.

THIS THUNDERSTORM WILL PRODUCE STRONG WINDS...HEAVY RAIN...DANGEROUS
LIGHTNING AND POSSIBLY HAIL AT TIMES.

PERSONS IN SOUTHERN CASCADE COUNTY SHOULD REMAIN ALERT FOR
CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF THREATENING WEATHER
APPROACHES.

VOSS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 12:35 PM MDTSevere Thunderstorm WarningTFXTeton55 min
Jun 5, 12:46 PM MDTSevere Thunderstorm WarningTFXCascade59 min
Jun 5, 4:01 PM MDTSevere Thunderstorm WarningTFXChouteau59 min
Jun 5, 4:59 PM MDTSevere Thunderstorm WarningTFXChouteau61 min
Jun 5, 5:38 PM MDTSevere Thunderstorm WarningTFXBlaine67 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.