Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 93, NWS Great Falls, MT

July 29, 1995Beaverhead County, Madison County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 29, 1995, 6:13 PM MDT for Beaverhead County, Madison County, Montana. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1995, 6:13 PM MDT (00:13 UTC)
Expired
Jul 29, 1995, 7:15 PM MDT
In force
62 min
Issued by
NWS Great Falls, MT
Area
Whole counties

Counties Beaverhead County, MT, Madison County, MT

The nearest sounding before it

Lander/Hunt Fiel, WY (KLND), launched 00:00Z, 0.2 hours before the alert went out and 399 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, Lander/Hunt Fiel, WY at 00:00Z on 1995-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 466 joules per kilogram.LCLEL10008507005003002001001 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, Lander/Hunt Fiel, WY at 00:00Z on 1995-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
466 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
3948 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

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 29, 7:11 PM MDTSevere Thunderstorm WarningTFXGallatin, Meagher49 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.