Alert archive / Washington / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 4, NWS Pendleton, OR

June 28, 1992Benton County, Franklin County, Walla Walla County, Washington

NWS Pendleton, OR issued this severe thunderstorm warning at Jun 28, 1992, 7:35 PM PDT for Benton County, Franklin County, Walla Walla County, Washington. It was in force for 100 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1992, 7:35 PM PDT (02:35 UTC)
Expired
Jun 28, 1992, 9:15 PM PDT
In force
100 min
Issued by
NWS Pendleton, OR
Area
Whole counties

Counties Benton County, WA, Franklin County, WA, Walla Walla County, WA

The nearest sounding before it

Spokane Intl Airport, WA (KGEG), launched 00:00Z, 2.6 hours before the alert went out and 182 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, Spokane Intl Airport, WA at 00:00Z on 1992-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Spokane Intl Airport, WA at 00:00Z on 1992-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2443 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Pendleton, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 8:24 PM PDTSevere Thunderstorm WarningPDTBenton, Columbia, Franklin, Walla Walla51 min
Jun 28, 9:29 PM PDTSevere Thunderstorm WarningPDTGrant, Yakima61 min
Jun 28, 7:34 PM PDTSevere Thunderstorm WarningPDTMorrow, Umatilla56 min

Nearby

Severe Thunderstorm Warnings in Washington, 1992Every severe thunderstorm warning in 1992

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.