A late season heat wave will continue across portions of California into the Desert Southwest. Meanwhile, Hurricane Milton is strengthening in the southwest Gulf of Mexico. Milton is expected to become a major hurricane and bring significant impacts to Florida this upcoming week. Read More >
Overview
Two EF1 tornadoes were produced between Weston and Tollgate in the northern Blue mountains of Oregon from a severe thunderstorm that moved roughly east along Oregon route 204. These two tornadoes occurred roughly between 140 PM PDT and 155 PM PDT. The first tornado occurred roughly 8 miles east of Weston and had an estimated travel length between 1.75 and 2.0 miles. A second tornado was determined to have occurred from the same storm roughly three quarters of a mile to the east with a travel length of less than a mile. Both tornadoes were EF1 based on estimated wind speeds and corresponding damage.
Tornadoes:
Tornado #1 8 Miles East of Weston
Track Map |
Tornado #2 10 Miles East of Weston
Track Map |
The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
Photos & Video
Storm Damage
Winter snow fencing deformed and twisted (Tornado #1) (NWS Employee) |
Large tree branches snapped (Tornado #1) (NWS Employee) | Uplift of roof deck and significant roof covering material loss (Tornado #1) (NWS Employee) |
Uplift of roof deck and significant roof covering material loss (Tornado #1) (NWS Employee) |
Tree uprooted (Tornado #1) (NWS Employee) |
Large Farm Outbuilding Roof and Walls Collapsed (Tornado #1) (NWS Employee) |
Road blocked with several large tree branches snapped and trees uprooted (Tornado #2) (NWS Employee) |
Tree uprooted (Tornado #2) (NWS Employee) |
Tornadoes in Umatilla County and the Surrounding Area
Tornado Tracks in Umatilla County (note: four tornado tracks are shown and not shown are two tornado touchdown markers; Courtesy of the Midwestern Regional Climate Center)
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