Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 56, NWS Great Falls, MT

July 10, 1995Blaine County, Fergus County, Judith Basin County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 10, 1995, 6:35 PM MDT for Blaine County, Fergus County, Judith Basin County, Montana. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1995, 6:35 PM MDT (00:35 UTC)
Expired
Jul 10, 1995, 7:30 PM MDT
In force
55 min
Issued by
NWS Great Falls, MT
Area
Whole counties

Counties Blaine County, MT, Fergus County, MT, Judith Basin County, MT

The radar

The Great Falls radar (KTFX), 143 km from the middle of the area, began a volume at 00:36 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, 0.6 hours before the alert went out and 85 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 1995-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2101 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
-2 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 11, 1:35 PM MDTSevere Thunderstorm WarningTFXCascade55 min
Jul 11, 2:03 PM MDTTornado WarningTFXCascade27 min
Jul 11, 2:35 PM MDTSevere Thunderstorm WarningTFXCascade, Judith Basin55 min
Jul 11, 3:04 PM MDTSevere Thunderstorm WarningTFXMeagher56 min
Jul 11, 3:15 PM MDTSevere Thunderstorm WarningTFXChouteau, Fergus60 min
Jul 11, 3:28 PM MDTTornado WarningTFXMeagher32 min
Jul 11, 3:38 PM MDTSevere Thunderstorm WarningTFXCascade, Judith Basin82 min
Jul 11, 3:52 PM MDTSevere Thunderstorm WarningTFXBroadwater, Meagher68 min
Jul 11, 3:56 PM MDTSevere Thunderstorm WarningTFXPetroleum64 min
Jul 11, 4:36 PM MDTSevere Thunderstorm WarningTFXBlaine54 min
Jul 11, 4:53 PM MDTSevere Thunderstorm WarningTFXJudith Basin46 min
Jul 11, 4:53 PM MDTSevere Thunderstorm WarningTFXFergus67 min
Jul 11, 5:28 PM MDTSevere Thunderstorm WarningTFXFergus62 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.