Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 21, NWS Billings, MT

June 16, 1995Musselshell County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 16, 1995, 7:38 PM MDT for Musselshell County, Montana. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1995, 7:38 PM MDT (01:38 UTC)
Expired
Jun 16, 1995, 8:45 PM MDT
In force
67 min
Issued by
NWS Billings, MT
Area
Whole counties

County Musselshell County, MT

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 1.6 hours before the alert went out and 198 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 1995-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1071 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 1995-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
1071 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1366 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIL 170140 RRA
SVRBIL
MTC065-170245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BILLINGS MT
738 PM MDT FRI JUN 16 1995
 
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MONTANA
 
   ...NORTHWESTERN MUSSELSHELL COUNTY
 
AT 727 PM MDT...RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 10 MILES
WEST NORTHWEST OF ROUNDUP OR 50 MILES NORTH NORTHWEST OF BILLINGS. THE
STORM WAS MOVING NORTHEAST AT 20 MILES AN HOUR.
 
THE STORM WILL PASS WEST AND NORTH OF ROUNDUP AND AFFECT MAINLY OPEN
COUNTRY.  THE STORM HAS A HISTORY OF PRODUCING HAIL OF VARIOUS SIZES.
 
PEOPLE OVER NORTHWEST MUSSELSHELL COUNTY SHOULD PREPARE FOR SEVERE
WEATHER.  PLEASE REPORT INSTANCES OF SEVERE WEATHER TO THE NEAREST LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
CHB

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 16, 4:50 PM MDT, 2 hours 48 minutes before
MTZ007-162345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
450 PM MDT FRI JUN 16 1995

AT 445 PM MDT...BILLINGS RADAR INDICATED A VERY STRONG THUNDERSTORM
ABOUT 10 MILES WEST OF COLUMBUS IN CENTRAL STILLWATER COUNTY. THE STORM
WAS MOVING NORTH AT ABOUT 15 MILES AN HOUR.

AT ITS PRESENT MOVEMENT...THE STORM WILL AFFECT THE WESTERN PART OF THE
NORTHERN HALF OF STILLWATER COUNTY AND PARTS OF EASTERN SWEETGRASS
COUNTY.

NO SEVERE WEATHER HAS AS YET BEEN REPORTED WITH THIS STORM.  BUT IT MAY
PRODUCE GUSTY WINDS...SMALL HAIL...AND BRIEF HEAVY RAIN.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR STILLWATER COUNTY UNTIL 10
PM MDT.

CHB
Special weather statement, Jun 16, 4:52 PM MDT, 2 hours 46 minutes before
MTZ007-162345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
450 PM MDT FRI JUN 16 1995

AT 445 PM MDT...BILLINGS RADAR INDICATED A VERY STRONG THUNDERSTORM
ABOUT 10 MILES WEST OF COLUMBUS IN CENTRAL STILLWATER COUNTY. THE STORM
WAS MOVING NORTH AT ABOUT 15 MILES AN HOUR.

AT ITS PRESENT MOVEMENT...THE STORM WILL AFFECT THE WESTERN PART OF THE
NORTHERN HALF OF STILLWATER COUNTY AND PARTS OF EASTERN SWEETGRASS
COUNTY.

NO SE8VERE WEATHER HAS AS YET BEEN REPORTED WITH THIS STORM.  BUT IT MAY
PRODUCE GUSTY WINDS...SMALL HAIL...AND BRIEF HEAVY RAIN.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR STILLWATER COUNTY UNTIL 10
PM MDT.

CHB
Special weather statement, Jun 16, 5:14 PM MDT, 2 hours 24 minutes before
WYZ051-170130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHERIDAN WY
515 PM MDT FRI JUN 16 1995

...THUNDERSTORMS WERE DEVELOPING OVER EASTERN SHERIDAN COUNTY...

AT 510 PM A CALL TO THE PAY AND SAVE GROCERY IN CLEARMONT REVEALED
THAT RAIN AND CLOUD TO GROUND LIGHTNING WAS OCCURRING. NO HAIL OR
WINDS WERE REPORTED WITH THIS STORM WHICH WAS MOVING TO THE NORTH
AT ABOUT 20 MPH.

IF YOU SEE THIS STORM APPROACHING YOUR AREA MOVE INDOORS. REMEMBER
THAT LIGHTNING IS A KILLER.

WCJIN-WYNE
ALEXANDER
Special weather statement, Jun 16, 5:15 PM MDT, 2 hours 23 minutes before
WYZ051-170130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHERIDAN WY
515 PM MDT FRI JUN 16 1995

...THUNDERSTORMS WERE DEVELOPING OVER EASTERN SHERIDAN COUNTY...

AT 510 PM A CALL TO THE PAY AND SAVE GROCERY IN CLEARMONT REVEALED
THAT RAIN AND CLOUD TO GROUND LIGHTNING WAS OCCURRING. NO HAIL OR
WINDS WERE REPORTED WITH THIS STORM WHICH WAS MOVING TO THE NORTH
AT ABOUT 20 MPH.

IF YOU SEE THIS STORM APPROACHING YOUR AREA MOVE INDOORS. REMEMBER
THAT LIGHTNING IS A KILLER.

WCJIN-WYNE
ALEXANDER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 6:46 PM MDTSevere Thunderstorm WarningBYZMusselshell59 min
Jun 16, 6:56 PM MDTSevere Thunderstorm WarningBYZGolden Valley34 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.