Multnomah storm history

A man fell into Johnson Creek and drowned. Moderate to heavy rainfall December 2nd through 3rd produced bank full conditions and swift moving water in the creek.

A man at a homeless encampment near Northeast 118th Avenue and Sandy Boulevard was killed around 1045PST, according to Portland police. Another man was injured by falling branches.

A 14-year-old was killed by falling tree branches at the Sandy River Delta around 1015PST according to Multnomah County Sheriff's Office. Thunderstorms were in the area during that time.

Multiple landslides and debris flow were triggered by heavy rain near Dodson between 0000PST and 0300PST. About 25 homes in the area were evacuated. One motorist was swept away by the debris flow near the intersection of NE Frontage Road and the Ainsworth State Park exit off I-84…

Heavy rain resulted in Johnson Creek to exceed major flood stage. Water from the river flooded homes, vehicles, and businesses. Several roads were closed due to the high water.

Heavy rain resulted in urban flooding and small stream flooding throughout the Portland Metro area. The rain was heavy enough to collapse a roof of a business in Gresham Oregon, cause a sink hole near Mt Hood College. High water flowing into Fairview Creek in Gresham snapped a se…

A large tree was knocked down near Halsey St and Owen Pl. Time estimated from Radar.

Trained spotter observed funnel cloud near Sandy and 138th in northeast Portland.

Two people and one dog were rescued Saturday after being reportedly stranded along Johnson Creek, which began flooding Friday night as an atmospheric river drenched the metro area. Also, portion of the Eastbank Esplanade closed due to rising of the Willamette River.

Heavy rains caused a large tree to fall, bringing down power lines across Highway 30 near the St. Johns Bridge, closing the highway in both directions for about 2 hours. The fallen tree also hit a house near the bridge. A daily record rainfall was recorded at Portland Internation…

A funnel cloud was noted over SE Division Street and storm rotation was also indicated by radar velocity. Photos and videos were also seen on social media.

A debris flow from the Tumalt Creek drainage blocked all lanes of I-84, a major transportation corridor between western and eastern Oregon.

Heavy rain resulted in standing water in the Portland Metro area. There were traffic accidents and power outages affecting about 2000 customers. A tree fell across highway 217 near Scholls Ferry Road. In the Columbia River Gorge, rock slides were reported between Multnomah Falls …

Johnson Creek at Sycamore (SYCO3) rose above flood stage at 0215PST, crested at 11.33 feet, then fell below flood stage at 0615PST. Flood stage is 11.0 feet.

Oregon DOT estimated 70 cubic yards of material block the Historic Columbia River highway between Angels Rest and Multnomah Falls.

Heavy rainfall reported over 48 hours.

A NWS Storm survey found straight line wind damage of approximately 45 to 55 mph near Halsey and NE 75th, and Tillamook and NE 78th. In addition to these areas of damage, a similar straight line wind damage pattern was observed near Hassalo and NE 64th on the same day. There wher…

At about 3 p.m. the county said Northwest Rocky Point Road between U.S. 30 and Skyline Boulevard was closed because of a large crack in the road caused by heavy rains and snowmelt.

Rain falling on the Eagle Creek burn scar caused a landslide that blocked exit 41 on I-84 for several days.

Standing water reported near NE 28th Ave between Glisan and Burnside. Trimet MAX lines were temporarily closed due to standing water between Lloyd Center and Hollywood. Rain guage at the Portland Airport reported 0.82 of an inch of rain.

Heavy rain from a strong thunderstorm in addition to a log jam caused the rapid rise of Oneonta Creek in the Oneonta Gorge. Two hikers were injured in the flash flood.

Multnomah County Sheriff's Office reported that heavy rain caused a landslide on the Historic Columbia River Highway near the Stark Street Bridge.

Multnomah County Sheriff's Office reported flooding and a sinkhole near the 31700 block of SE Pipeline Rd.

The Portland Bureau of Transportation reported a landslide blocking SE Malden Street and Southeast Sellwood Blvd.

Heavy rain caused culverts and low-lying urban areas to flood, including 4th and Morrison. Also flooding was reported at the Portland State University Bookstore.

A local media station received several reports of a funnel cloud near the Grotto in northeast Portland.

Heavy rain resulted in new daily rainfall records for the Portland International Airport and downtown Portland. A new daily rainfall of 1.87 inches at the airport broke the previous record of 1.02 inches from 1972. Downtown Portland measures 2.42 inches of rain on the 17th which …

Heavy rain resulted in urban flooding across the Portland metro area. All Amtrack and freight trains were shut down between Portland and Vancouver due to flooding. A mobile home park in Gresham flooded. There were a couple of land slides on Highway 30 where debris covered the hig…

Heavy rain combined with clogged drains from leaves resulted in urban flooding. The Portland Fire and Rescue received 32 calls in regards to street flooding, and assisted travelers in 5 cars from their stalled or trapped cars to dry land. Four roads were closed in the area for hi…

A mudslide crossed Northwest Marlborough Street into a residential garage after 3 to 6 inches of rain fell across Northwest Oregon.

The Oregon Department of Transportation suggested that heavy rain was responsible for a small landslide that occurred near Corbett, Oregon. Official NWS stations reported between 0.5 to 3 inches of rain in Multnomah County in the afternoon and evening. The landslide closed both l…

Winds from a thunderstorm resulted in a large Oak Tree falling on two parked cars in downtown Portland.

KPTV-KPDX Broadcasting reported that heavy rain resulted in flooding and damage to the Legacy Good Samaritan Medical Center and several businesses in Northwest Portland. Besides damage to the hospital's emergency and operating room, some elective surgeries were cancelled.

Heavy rain combined with snowmelt runoff caused the Johnson Creek at Sycamore to overflow its banks and flood low lying areas. The Johnson Creek crested at 13.2 feet on January 19th at 4 pm PST, 2.2 feet above flood stage.

A thunderstorm moving through Multnomah County produced lightning that hit a tree which fell on power lines causing a power outage to about 1600 customers.

The equipment at the Portland airport reported 1.28 inches of precipitation during a 12 hour period.

An observer reported receiving 0.98 inches in two and a half hours.

Major street flooding was reported at the intersection of 39th Avenue and Belmont Street, east of downtown Portland.

A spotter reported flooding of low lying portions of SE Division Street between 140th and 164th Avenues.

At the Portland WFO, strong wind gusts knocked down a small tree in the parking lot, as well as snapped off a large branch from a different tree on the property.

The top of a 70-foot tree, estimated between 20 and 20 inches in diameter, was snapped off in downtown Portland at the intersection of SW Salmon Street and Park Avenue. A passer-by was nearly hit as it fell to the ground. Time of the event is estimated based nearby reports from t…

Heavy rain fell over the Portland metro area and caused Johnson Creek to overflow its banks. Significant flooding occurred along Foster Road in the Portland area.

Heavy rain combined with snowmelt runoff caused the Sandy River to overflow its banks and cause flooding of low-lying areas.

Lightning struck the Walt Morey Middle School, damaging some of the computer systems.

This was reported by a Multnomah Falls employee. The hail was reported to be 2 to 3 inches deep.

Johnson Creek at Sycamore flooded, creating minor flooding in the Portland metro area.