October 28, 2018 North Portland Tornado Event Summary

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Overview

On October 28, 2018, an EF-0 tornado briefly developed in North Portland around 3 PM. The tornado was on the ground for approximately two minutes and caused some minor damage, including snapping some tree limbs and a few small tree trunks. Three semi-truck trailers were overturned in a parking area near Marine Drive, with some minor roof damage observed on a nearby building. A National Weather Service storm survey team rated the tornado an EF-0 with estimated peak wind speeds of 74 mph, based upon this observed damage.

Tornado

Tornado:

Tornado - North Portland
Multnomah County, Oregon

Date	October 28, 2018
Time (PDT)	2:58 PM - 3:00 PM
EF Rating	EF-0
Est. Peak Winds	74 mph
Path Length	1.25 miles
Max Width	20 yards
Path Start Lat/Lon	45.58967 / -122.67787
Path End Lat/Lon	45.60059 / -122.65983
Injuries/Deaths	0
Survey Summary: Minor tree damage was observed at several locations, including at the Portland Meadows facility, on MLK Boulevard near Union Court, and at a park along NE Bridgeton Road. Three semi-truck trailers were overturned in a parking area near Marine Drive. Minor roof damage also was noted to a building southwest of the intersection of NE 2nd Avenue and Marine Drive.

Track Map

Overview of tornado path and damage.


Semi truck trailer overturned in a parking lot near Marine Drive. (Credit: NWS Storm Survey)	Semi truck trailer overturned in the parking lot. (Credit: NWS Storm Survey)	Small birch tree trunks snapped. (Credit: NWS Storm Survey)	Minor tree limb damage. (Credit: NWS Storm Survey)

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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

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