Alert archive / Montana / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 9, NWS Great Falls, MT

June 8, 1988Phillips County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jun 8, 1988, 6:49 PM MDT for Phillips County, Montana. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1988, 6:49 PM MDT (00:49 UTC)
Expired
Jun 8, 1988, 7:45 PM MDT
In force
56 min
Issued by
NWS Great Falls, MT
Area
Whole counties

County Phillips County, MT

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 0.8 hours before the alert went out and 97 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 1988-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2292 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 1988-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 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
2292 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
2354 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
73 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
Jun 8, 6:30 PM MDTSevere Thunderstorm WarningTFXGlacier, Pondera, Toole60 min

Nearby

Severe Thunderstorm Warnings in Montana, 1988Every severe thunderstorm warning in 1988

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.