Alert archive / Montana / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 83, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jul 19, 1995, 5:49 PM MDT for Judith Basin County, Montana. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jul 19, 1995, 5:49 PM MDT (23:49 UTC)
- Expired
- Jul 19, 1995, 6:45 PM MDT
- In force
- 56 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties
County Judith Basin County, MT
The radar
The Great Falls radar (KTFX), 96 km from the middle of the area, began a volume at 23:51 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 11.8 hours before the alert went out and 52 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.
- Mixed-layer CAPE
- 24 J/kg
- Mixed-layer CIN
- -129 J/kg
- Mixed-layer LCL
- 801 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KGTF 192350 SVRGTF MTC045-200045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREAT FALLS MT 549 PM MDT WED JUL 19 1995 THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL MONTANA ...JUDITH BASIN COUNTY AT 548 PM MDT DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHWEST OF STANFORD IN CENTRAL JUDITH BASIN COUNTY. THE STORM WAS MOVING SOUTHEAST AT 20 MPH AND WILL AFFECT THE COMMUNITIES OF STANFORD...WINDHAM AND UTTICA DURING THE NEXT HOUR. 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.
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 19, 3:05 PM MDT, 2 hours 44 minutes before
MTZ003-005-006-192300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 305 PM MDT WED JUL 19 1995 ...THUNDERSTORMS DEVELOPING OVER CENTRAL MONTATNA... AT 300 PM MDT DOPPLER RADAR INDICATED SCATTERED THUNDERSTORMS DEVELOPING OVER PORTIONS OF CENTRAL AND NORTH CENTRAL MONTANA. THE STRONGEST STORMS WERE LOCATED IN SOUTHERN LEWIS AND CLARK COUNTY 15 MILES NORTH OF HELENA...ALONG THE MADISION/JEFFERSON COUNTY LINE 35 MILES NORTHWEST OF BOZEMAN AND 40 MILES NORTH OF LIVINGSTON ALONG THE MEAGHER/WHEATLAND COUNTY LINE. THE THUNDERSTORMS WILL PRODUCE LIGHTNING...POSSIBLE SMALL HAIL AND GUSTY WINDS...AS WELL AS PERIODS OF BRIEF HEAVY RAIN. THESE STORMS WERE MOVING SOUTHEAST AT 15 TO 20 MPH. PERSONS IN PATH OF THESE STORMS SHOULD BE ALERT FOR RAPDILY CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF THREATENING WEATHER APPROACHES. OTHER THUNDERSTORMS WERE LOCATED 15 MILES WEST AND 25 MILES SOUTH OF HAVRE..NEAR CHOTEAU IN TETON COUNTY SOUTH INTO LEWIS AND CLARK COUNTY SOUTHWEST OF GREAT FALLS AND IN WESTERN MEAGHER COUNTY. THESE STORMS WERE ALSO MOVING SOUTHEAST AT ABOUT 15 MPH. HW
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; radar from the NEXRAD Level II archive.