Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 52, NWS Great Falls, MT

July 10, 1995Cascade County, Chouteau County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 10, 1995, 4:47 PM MDT for Cascade County, Chouteau County, Montana. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1995, 4:47 PM MDT (22:47 UTC)
Expired
Jul 10, 1995, 5:45 PM MDT
In force
58 min
Issued by
NWS Great Falls, MT
Area
Whole counties

Counties Cascade County, MT, Chouteau County, MT

The radar

The Great Falls radar (KTFX), 40 km from the middle of the area, began a volume at 22:50 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, 10.8 hours before the alert went out and 26 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 12:00Z on 1995-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 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 12:00Z on 1995-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 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
40 J/kg
Mixed-layer CIN
-414 J/kg
Mixed-layer LCL
1810 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 6:15 PM MDTSevere Thunderstorm WarningTFXFergus38 min
Jul 10, 1:41 PM MDTSevere Thunderstorm WarningTFXJudith Basin64 min
Jul 10, 1:53 PM MDTSevere Thunderstorm WarningTFXTeton67 min
Jul 10, 2:22 PM MDTSevere Thunderstorm WarningTFXJefferson, Lewis and Clark68 min
Jul 10, 2:50 PM MDTSevere Thunderstorm WarningTFXPondera, Teton55 min
Jul 10, 3:35 PM MDTSevere Thunderstorm WarningTFXCascade, Jefferson, Lewis and Clark, Meagher, Teton55 min
Jul 10, 3:35 PM MDTSevere Thunderstorm WarningTFXLiberty55 min
Jul 10, 4:20 PM MDTSevere Thunderstorm WarningTFXHill70 min
Jul 10, 4:47 PM MDTSevere Thunderstorm WarningTFXFergus, Petroleum58 min
Jul 10, 5:13 PM MDTSevere Thunderstorm WarningTFXHill62 min
Jul 10, 5:34 PM MDTSevere Thunderstorm WarningTFXChouteau, Fergus56 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.