Alert archive / Montana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 49, NWS Glasgow, MT

July 19, 1996Richland County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jul 19, 1996, 10:23 PM MDT for Richland County, Montana. It was in force for 57 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 19, 1996, 10:23 PM MDT (04:23 UTC)
Expired
Jul 19, 1996, 11:20 PM MDT
In force
57 min
Issued by
NWS Glasgow, MT
Area
Whole counties

County Richland County, MT

What was reported inside it

TimeReportWhereRemark
Jul 19, 11:02 PM MDTThunderstorm Wind 65Savage, MT
Jul 19, 11:15 PM MDTThunderstorm Wind 60Sidney, MT

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 4.4 hours before the alert went out and 159 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, Glasgow Intl Airport, MT at 00:00Z on 1996-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 294 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, Glasgow Intl Airport, MT at 00:00Z on 1996-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939587897117Sfc1 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
294 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
1710 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
219 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 Glasgow, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 19, 11:21 PM MDTSevere Thunderstorm WarningGGWRichland34 min
Jul 20, 12:00 AM MDTSevere Thunderstorm WarningGGWMcCone60 min

Nearby

Severe Thunderstorm Warnings in Montana, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.