Alert archive / Montana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 21, NWS Glasgow, MT

June 14, 1996McCone County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jun 14, 1996, 1:20 PM MDT for McCone County, Montana. It was in force for 55 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 14, 1996, 1:20 PM MDT (19:20 UTC)
Expired
Jun 14, 1996, 2:15 PM MDT
In force
55 min
Issued by
NWS Glasgow, MT
Area
Whole counties

County McCone County, MT

What was reported inside it

TimeReportWhereRemark
Jun 14, 1:59 PM MDTHail 0.75Vida, MT

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 7.3 hours before the alert went out and 88 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, Glasgow Intl Airport, MT at 12:00Z on 1996-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1825 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, Glasgow Intl Airport, MT at 12:00Z on 1996-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 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
1825 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
1343 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGGW 141920
SVRGGW
MTC055-142015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GLASGOW MT
120 PM MDT FRI JUN 14 1996
 
THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST MONTANA
 
   ...EASTERN MCCONE COUNTY
 
AT 115 PM MDT...GLASGOW DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
OVER EASTERN MCCONE COUNTY. THIS STORM WAS LOCATED 8 MILES WEST OF
VIDA. MOVEMENT WAS TO THE SOUTHEAST AT 15 MILES AN HOUR. STORM SHOULD
BE NEAR VIDA BY 145 PM MDT. THIS STORM HAS ALREADY PRODUCED MARBLE
SIZE HAIL.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
MARTIN

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, 9:11 AM MDT, 4 hours 9 minutes before
MTZ005-141615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
910 AM MDT FRI JUN 14 1996

...STRONG THUNDERSTORMS MOVING INTO SOUTHERN PHILLIPS COUNTY...

AT 905 AM MDT...A VERY STRONG THUNDERSTORM WAS MOVING INTO SOUTHERN
PHILLIPS COUNTY. THIS STORM WAS LOCATED 5 MILES NORTH OF ZORTMAN.
MOVEMENT WAS SOUTHEAST AT 20 MILES AN HOUR.

STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINFALL AND
SMALL HAIL MAY ACCOMPANY THE STR0ONGER STORMS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
FOR THE LATEST WEATHER INFORMATION.

HUGHES/MARTIN
Special weather statement, Jun 14, 10:05 AM MDT, 3 hours 15 minutes before
MTZ005-141710-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
1004 AM MDT FRI JUN 14 1996

...STRONG THUNDERSTORM MOVING THROUGH SOUTHERN PHILLIPS COUNTY...

AT 1000 AM MDT...GLASGOW DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM 15 MILES SOUTHWEST OF MALTA. MOVEMENT WAS EAST AT 20
MILES AN HOUR.

STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINFALL AND
SMALL HAIL MAY ACCOMPANY THE STRONGER STORMS.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.

MARTIN
Special weather statement, Jun 14, 11:04 AM MDT, 2 hours 16 minutes before
MTZ008-141810-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
1104 AM MDT FRI JUN 14 1996

...STRONG THUNDERSTORM DEVELOPING OVER SOUTHERN VALLEY COUNTY...

AT 1100 AM MDT...A STRONG THUNDERSTORM WAS DEVELOPING OVER SOUTHERN
VALLEY COUNTY. THIS STORM WAS LOCATED 12 MILES WEST OF GLASGOW.
MOVEMENT WAS EAST AT 20 MILES AN HOUR.

STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINFALL AND
SMALL HAIL MAY ACCOMPANY THE STRONGERz STORMS.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.

MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 7:16 PM MDTSevere Thunderstorm WarningGGWPhillips29 min
Jun 14, 1:47 AM MDTFlash Flood WarningGGWValley118 min
Jun 14, 3:45 AM MDTSevere Thunderstorm WarningGGWMcCone45 min
Jun 14, 4:38 AM MDTFlash Flood WarningGGWMcCone3 hr
Jun 14, 11:31 AM MDTSevere Thunderstorm WarningGGWValley59 min
Jun 14, 12:01 PM MDTSevere Thunderstorm WarningGGWDaniels59 min
Jun 14, 12:32 PM MDTSevere Thunderstorm WarningGGWRoosevelt, Valley58 min
Jun 14, 1:37 PM MDTSevere Thunderstorm WarningGGWDaniels, Roosevelt68 min

Nearby

Severe Thunderstorm Warnings in Montana, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.