Alert archive / Oregon / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 9, NWS Pendleton, OR

July 6, 1995Wallowa County, Oregon

NWS Pendleton, OR issued this severe thunderstorm warning at Jul 6, 1995, 4:08 PM PDT for Wallowa County, Oregon. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jul 6, 1995, 4:08 PM PDT (23:08 UTC)
Expired
Jul 6, 1995, 5:00 PM PDT
In force
52 min
Issued by
NWS Pendleton, OR
Area
Whole counties

County Wallowa County, OR

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 11.1 hours before the alert went out and 243 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, WA at 12:00Z on 1995-07-06Temperature 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, Spokane, WA at 12:00Z on 1995-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
2022 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
121 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 Pendleton, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 2:21 PM PDTSevere Thunderstorm WarningPDTGrant69 min
Jul 6, 2:44 PM PDTSevere Thunderstorm WarningPDTMorrow, Umatilla57 min
Jul 6, 2:44 PM PDTSevere Thunderstorm WarningPDTUnion61 min
Jul 6, 3:12 PM PDTSevere Thunderstorm WarningPDTWallowa63 min
Jul 6, 3:12 PM PDTSevere Thunderstorm WarningPDTUnion53 min
Jul 6, 2:44 PM PDTSevere Thunderstorm WarningPDTColumbia, Franklin, Walla Walla57 min

Nearby

Severe Thunderstorm Warnings in Oregon, 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.