Alert archive / Montana / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 39, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jul 8, 1995, 7:43 PM MDT for Blaine County, Chouteau County, Hill County, Montana. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1995, 7:43 PM MDT (01:43 UTC)
- Expired
- Jul 8, 1995, 8:45 PM MDT
- In force
- 62 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties
Counties Blaine County, MT, Chouteau County, MT, Hill County, MT
The radar
The Great Falls radar (KTFX), 150 km from the middle of the area, began a volume at 01:43 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 00:00Z, 1.7 hours before the alert went out and 111 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
- 40 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 3547 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGTF 090148 RRA SVRGTF MTC015-041-005-090245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREAT FALLS MT 743 PM MDT SAT JUL 8 1995 THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS EXTENDED THE SEVERE THUNDERSTORM WARNING FOR NORTHEAST CHOTEAU TO INCLUDE SOUTHWEST BLAINE COUNTY UNTIL 845 PM MDT. FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL MONTANA ...NORTHEAST CHOUTEAU COUNTY...SOUTHWEST BLAINE COUNTY AT 740 PM MDT DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN EXTREME NORTHEAST CHOTEAU COUNTY. THIS STORM WAS MOVING EAST SOUTHEAST AT 25 MPH AND LIKELY INCLUDES LARGE HAIL AND DAMAGING WINDS. THE STORM WILL BE MOVING INTO EXTREME SOUTHWEST BLAINE COUNTY ABOUT 815 PM MDT. THE SEVERE STORM WARNING HAS BEEN CANCELLED FOR SOUTHERN HILL COUNTY. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MO<VE 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. GTF/RH
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 8, 5:43 PM MDT, 2 hours before
MTZ045-059-090200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 543 PM MDT SAT JUL 8 1995 AT 540 PM MDT THE GREAT FALLS DOPPLER RADAR WAS INDICATING A STRONG THUNDERSTORM OVER EAST CENTRAL MEAGHER COUNTY ABOUT 10 TO 15 MILES NORTH OF WHITE SULFUR SPRINGS...APPROACHING SOUTHWEST JUDITH BASIN COUNTY. THIS STORM WAS MOVING GENERALLY EASTWARD ABOUT 30 MPH AND LIKELY INCLUDES HAIL AND STRONG WINDS. THE RADAR WAS INDICATING AROUND 0.70 INCH OR RAIN PER HOUR AT THIS TIME AND WILL BE CROSSING SOUTHERN JUDITH BASIN COUNTY DURING THE NEXT HOUR OR TWO. ANOTHER STORM WITH HAIL LIKELY...WAS OVER SOUTHERN LIBERTY COUNTY MOVING EASTWARD ABOUT 25 MPH. THIS STORM WILL CROSS INTO SOUTHERN HILL COUNTY DURING THE NEXT HOUR. RESIDENTS IN THESE COUNTIES SHOULD BE ON THE ALERT FOR EVENING THUNDERSTORMS AS SOME HAIL AND STRONG WINDS ARE POSSIBLE. GTF/RH
Special weather statement, Jul 8, 5:51 PM MDT, 1 hour 52 minutes before
MTZ045-059-090200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 543 PM MDT SAT JUL 8 1995 AT 540 PM MDT THE GREAT FALLS DOPPLER RADAR WAS INDICATING A STRONG THUNDERSTORM OVER EAST CENTRAL MEAGHER COUNTY ABOUT 10 TO 15 MILES NORTH OF WHITE SULFUR SPRINGS...APPROACHING SOUTHWEST JUDITH BASIN COUNTY. THIS STORM WAS MOVING GENERALLY EASTWARD ABOUT 30 MPH AND LIKELY INCLUDES HAIL AND STRONG WINDS. THE RADAR WAS INDICATING AROUND 0.70 INCH OR RAIN PER HOUR AT THIS TIME AND WILL BE CROSSING SOUTHERN JUDITH BASIN COUNTY DURING THE NEXT HOUR OR TWO. ANOTHER STORM WITH HAIL LIKELY...WAS OVER SOUTHERN LIBERTY COUNTY MOVING EASTWARD ABOUT 25 MPH. THIS STORM WILL CROSS INTO SOUTH0ERN HILL COUNTY DURING THE NEXT HOUR. RESIDENTS IN THESE COUNTIES SHOULD BE ON THE ALERT FOR EVENING THUNDERSTORMS AS SOME HAIL AND STRONG WINDS ARE POSSIBLE. GTF/RH
Special weather statement, Jul 8, 6:55 PM MDT, 48 minutes before
MTZ007-043-049059-090300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 655 PM MDT SAT JUL 8 1995 AT 650 PM MDT THE GREAT FALLS DOPPLER RADAR WAS INDICATING STRONG THUNDERSTORMS OVER SOUTHERN LEWIS AND CLARK...NORTHERN JEFFERSON... BROADWATER AND WESTERN MEAGHER COUNTIES. THESE STORM WERE MOVING NORTHEASTWARD 25 TO 30 MPH AND SOME LIKELY CONTAINED HAIL AND STRONG WINDS. RADAR INDICATED RAINFALL RATES OF 1/2 TO 1 INCH PER HOUR WITH SOME OF THESE STORMS...ESPECIALLY THE ONE MOVING INTO SOUTHWEST LEWIS AND CLARK COUNTY. RESIDENTS IN THESE COUNTIES SHOULD BE ON THE ALERT FOR POSSIBLE STRONG THUNDERSTORMS CONTAINING HAIL...HEAVY RAIN...STRONG WINDS AND LIGHTNING. GTF/RH
Special weather statement, Jul 8, 7:01 PM MDT, 42 minutes before
MTZ007-043-049059-090300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 655 PM MDT SAT JUL 8 1995 AT 650 PM MDT THE GREAT FALLS DOPPLER RADAR WAS INDICATING STRONG THUNDERSTORMS OVER SOUTHERN LEWIS AND CLARK...NORTHERN JEFFERSON... BROADWATER AND WESTERN MEAGHER COUNTIES. THESE STORM WERE MOVING NORTHEASTWARD 25 TO 30 MPH AND SOME LIKELY CONTAINED HAIL AND STRONG WINDS. RADAR INDICATED RAINFALL RATES OF 1/2 TO 1 INCH PER HOUR WITH SOME OF THESE STORMS...ESPECIALLY THE ONE MOVING INTO SOUTHWEST LEWIS AND CLARK COUNTY. RESIDENTS IN THESE COUNTIES SHOULD BE ON THE ALERT FOR POSSIBLE STRONG THUNDERSTORMS CONTAINING HAIL...HEAVY RAIN...STRONG WINDS AND LIGHTNING. GTF/RH
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 6:44 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 61 min |
| Jul 8, 8:03 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark, Meagher | 57 min |
| Jul 8, 8:40 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 80 min |
| Jul 9, 3:30 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 30 min |
| Jul 9, 5:14 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 61 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; radar from the NEXRAD Level II archive.