Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 13, NWS Great Falls, MT

June 14, 1995Blaine County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jun 14, 1995, 10:03 PM MDT for Blaine County, Montana. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 14, 1995, 10:03 PM MDT (04:03 UTC)
Expired
Jun 14, 1995, 10:45 PM MDT
In force
42 min
Issued by
NWS Great Falls, MT
Area
Whole counties

County Blaine County, MT

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 4.1 hours before the alert went out and 163 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 00:00Z on 1995-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 306 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 00:00Z on 1995-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
306 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
2076 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGTF 150407 RRA
SVRGTF
MTC005-150445-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
1003 PM MDT WED JUN 14 1995
 
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL MONTANA
 
   ...CENTRAL BLAINE COUNTY
 
AT 10 PM MDT DOPPLER RADAR IN GREAT FALLS WAS INDICATING A PAIR OF
SEVERE THUNDERSTORMS OVER BLAINE COUNTY...ONE JUST NORTH OF THE TOWN OF
CLEVELAND AND ANOTHER IN THE CHINNOK AREA. THESE STORMS WERE MOVING TO
THE NORTHEAST AT 25 TO 30 MPH AND WILL BE MOVING THROUGH THE TOWN OF
HARLEM WITHIN THE NEXT 15 TO 20 MINUTES. A SPOTTER IN CHINOOK REPORTED A
GUST TO 65 MPH AT 950 PM AND HAIL UP TO ONE INCH WAS REPORTED IN HAVRE
IN ASSOCIATION WITH THESE STORMS.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVFY 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.
 
SCHNEIDER

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 14, 6:36 PM MDT, 3 hours 27 minutes before
MTZ005-150130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
633 PM MDT WED JUN 14 1995

AT 630 PM MDT STRONG THUNDERSTORMS WERE OVER TETON...CHOUTEAU...AND
CASCADE COUNTIES. THE STRONGEST STORMS WERE LOCATED JUST SOUTH OF FORT
BENTON AND NEAR BELT. GUSTY WINDS...BRIEF HEAVY RAIN...AND SMALL HAIL
MAY ACCOMPANY THESE STORMS AS THEY MOVE TO THE NORTHEAST AT AROUND 25
MPH.

CONTINUE TO LISTEN TO THIS STATION FOR LATER STATEMENVTS AND POSSIBLE
WARNINGS.
Special weather statement, Jun 14, 7:44 PM MDT, 2 hours 19 minutes before
MTZ003-005-006-150245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
744 PM MDT WED JUN 14 1995

...STRONG THUNDERSTORMS BUILDING OVER CENTRAL AND NORTH CENTRAL
MONTANA...

AT 735 PM DOPLER RADAR IN GREAT FALL WAS SHOWING SEVERAL STRONG
THUNDERSTORMS OVER CENTRAL AND NORTH CENTRAL MONTANA. ONE STORM WAS
LOCATED OVER EASTERN TOOLE COUNTY...ABOUT 10 MILES NORTH SHELBY.
TWO OTHER STRONG STORMS WERE OVER WESTERN AND SOUTHERN CHOUTEAU
COUNTY...NEAR THE TOWNS OF FORT BENTON AND CARTER. AN ADDITIONAL STRONG
THUNDERSTORM WAS RAPIDILY BUILDING UP OVER WESTERN JUDITH BASIN
COUNTY...NEAR THE TOWN OF RAYNESFORD. ALL OF THESE STORMS WERE MOVING TO
THE NORTHEAST AT 25 TO 30 MPH.

PERSONS IN THESE AREAS SHOULD BE ALERT FOR GUSTY WINDS...HEAVY
RAINS...AND SMALL HAIL.

SCHNEIDER
Special weather statement, Jun 14, 7:47 PM MDT, 2 hours 16 minutes before
MTZ003-005-006-150245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
744 PM MDT WED JUN 14 1995

...STRONG THUNDERSTORMS BUILDING OVER CENTRAL AND NORTH CENTRAL
MONTANA...

AT 735 PM DOPLER RADAR IN GREAT FALL WAS SHOWING SEVERAL STRONG
THUNDERSTORMS OVER CENTRAL AND NORTH CENTRAL MONTANA. ONE STORM WAS
LOCATED OVER EASTERN TOOLE COUNTY...ABOUT 10 MILES NORTH SHELBY.
TWO OTHER STRONG STORMS WERE OVER WESTERN AND SOUTHERN CHOUTEAU
COUNTY...NEAR THE TOWNS OF FORT BENTON AND CARTER. AN ADDITIONAL STRONG
THUNDERSTORM WAS RAPIDILY BUILDING UP OVER WESTERN JUDITH BASIN
COUNTY...NEAR THE TOWN OF RAYNESFORD. ALL OF THESE STORMS WERE MOVING TO
THE NORTHEAST AT 25 TO 30 MPH.

PERSONS IN THESE AREAS SHOULD BE ALERT FOR GUSTY WINDS...HEAVY
RAINS...AND SMALL HAIL.

SCHNEIDER
Special weather statement, Jun 14, 8:12 PM MDT, 1 hour 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HELENA, MT
702 PM MST WED JUN 14 1995

...RAIN SHOWERS WITH GUSTY WINDS MOVING THROUGH THE HELENA VALLEY...

AT 645 PM MDT THIS EVENING A WIND GUST OF 55 MPH WAS OBSERVED AT
THE NATIONAL WEATHER SERVICE OFFICE IN HELENA. THE WINDS CONTINUE
TO GUST TO NEAR 40 MPH AT THE AIRPORT. THESE WINDS ARE A RESULT OF
OUTFLOW FROM AN AREA OF RAIN SHOWERS MOVING THROUGH THE HELENA VALLEY.
THESE SHOWERS ARE MOVING NORTH AT 25 TO 30 MPH. THEY WILL LIKELY
MOVE INTO THE WOLF CREEK CANYON AND HOLTER LAKE ARES WITHIN THE NEXT
20 TO 30 MINUTES...PRODUCING WIND GUSTS OF 50 TO 60 MPH. THE WINDS IN
THE HELENA VALLEY SHOULD DIMINISH WITHIN THE NEXT HALF HOUR.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES OR STATEMENTS.

SULLIVAN
Special weather statement, Jun 14, 8:16 PM MDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED FOR TIME
NATIONAL WEATHER SERVICE HELENA, MT
816 PM MDT WED JUN 14 1995

...RAIN SHOWERS WITH GUSTY WINDS MOVING THROUGH THE HELENA VALLEY...

AT 745 PM MDT THIS EVENING A WIND GUST OF 55 MPH WAS OBSERVED AT
THE NATIONAL WEATHER SERVICE OFFICE IN HELENA. THE WINDS CONTINUE
TO GUST TO NEAR 40 MPH AT THE AIRPORT. THESE WINDS ARE A RESULT OF
OUTFLOW FROM AN AREA OF RAIN SHOWERS MOVING THROUGH THE HELENA VALLEY.
THESE SHOWERS ARE MOVING NORTH AT 25 TO 30 MPH. THEY WILL LIKELY
MOVE INTO THE WOLF CREEK CANYON AND HOLTER LAKE ARES WITHIN THE NEXT
20 TO 30 MINUTES...PRODUCING WIND GUSTS OF 50 TO 60 MPH. THE WINDS IN
THE HELENA VALLEY SHOULD DIMINISH WITHIN THE NEXT HALF HOUR.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES OR STATEMENTS.

SULLIVAN
Special weather statement, Jun 14, 8:40 PM MDT, 1 hour 23 minutes before
MTZ003-005-006-150345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
840 PM MDT WED JUN 14 1995

...STRONG THUNDERSTORMS CONTINUING OVER CENTRAL AND NORTH CENTRAL
MONTANA...

AT 835 PM DOPLER RADAR IN GREAT FALLS CONTINUED TO SHOW AN AREA OF
STRONG THUNDERSTORMS OVER CENTRAL AND NORTH CENTRAL MONTANA. THIS AREA
STRETCHED FROM NORTHEAST TOOLE COUNTY...THROUGH LIBERY AND CHOUTEAU
COUNTIES AND INTO NORTHWEST FERGUS COUNTY. AN ESPECIALLY STRONG STORM
WAS INDICATED ABOUT 15 MILES SOUTH OF THE TOWN OF BIG SANDY. ALL OF THIS
ACTIVITY WAS MOVING TO THE NORTHEAST AT ABOUT 25 MPH.

PERSONS IN THESE AREAS NEED TO BE ALERT FOR HEAVY RAINS...FREQUENT
LIGHTNING...AND BRIEF GUSTY WINDS. SMALL HAIL IS ALSO LIKELY WITH SOME
OF THESE STORMS.

SCHNEIDER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 9:31 PM MDTSevere Thunderstorm WarningTFXBlaine, Hill44 min
Jun 15, 5:05 PM MDTSevere Thunderstorm WarningTFXLewis and Clark, Teton55 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.