Alert archive / Oregon / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 2, NWS Pendleton, OR

May 15, 1994Baker County, Union County, Wallowa County, Oregon

NWS Pendleton, OR issued this severe thunderstorm warning at May 15, 1994, 11:59 AM PDT for Baker County, Union County, Wallowa County, Oregon. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
May 15, 1994, 11:59 AM PDT (18:59 UTC)
Expired
May 15, 1994, 1:00 PM PDT
In force
61 min
Issued by
NWS Pendleton, OR
Area
Whole counties

Counties Baker County, OR, Union County, OR, Wallowa County, OR

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 7.0 hours before the alert went out and 293 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 1994-05-15Temperature 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 1994-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
924 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
409 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Warnings in Oregon, 1994Every severe thunderstorm warning in 1994

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.