A powerful upper storm system combined with modest low and mid level moisture to yield scattered strong to severe storms and flash flooding. Storms developed first across the higher terrain of central Oregon nearer the Cascades and adjacent Ochoco mountains. Storms then built northward with hail and damaging winds along the way.

Hail in DESCHUTES, OREGON
From 09-AUG-19 16:37:00 to 09-AUG-19 16:55:00 (PST-8)
Location: BEND MUNI ARPT
Magnitude: 1.00 
Reported by: Social Media

Quarter sized hail north of Bend.

Hail in DESCHUTES, OREGON
From 09-AUG-19 16:40:00 to 09-AUG-19 16:55:00 (PST-8)
Location: TUMALO
Magnitude: 1.00 
Reported by: Social Media

Hail in CROOK, OREGON
From 09-AUG-19 16:00:00 to 09-AUG-19 16:15:00 (PST-8)
Location: PRINEVILLE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail covering the ground with standing water on some flood prone roadways.

Hail in DESCHUTES, OREGON
From 09-AUG-19 16:30:00 to 09-AUG-19 16:50:00 (PST-8)
Location: TUMALO
Magnitude: 1.00 
Reported by: CoCoRaHS

Hail covered the roadway with up to 3 inches of hail depth in some areas. Largest stone was the size of a quarter.

Lightning in DESCHUTES, OREGON
From 09-AUG-19 16:45:00 to 09-AUG-19 16:50:00 (PST-8)
Location: BEND
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Lightning caused damage to an unoccupied vehicle in Bend. The lightning entered through the windshield.

Flash Flood in CROOK, OREGON
From 09-AUG-19 17:30:00 to 09-AUG-19 18:00:00 (PST-8)
Location: PRINEVILLE
Flood cause: Heavy Rain
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

House flooded with 4 feet of water in basement. Time estimated from radar.

Thunderstorm Wind in JEFFERSON, OREGON
From 09-AUG-19 18:00:00 to 09-AUG-19 18:06:00 (PST-8)
Location: WARM SPGS
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind caused damage to fencing in the area.

Thunderstorm Wind in DESCHUTES, OREGON
From 09-AUG-19 17:00:00 to 09-AUG-19 17:05:00 (PST-8)
Location: CLINE FALLS
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Wind and hail removed part of roof on west side of Redmond. Time estimated from radar.

Thunderstorm Wind in UMATILLA, OREGON
From 09-AUG-19 19:45:00 to 09-AUG-19 19:50:00 (PST-8)
Location: (PDT)PENDLETON ARPT
Magnitude: 52.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Damage to metal exterior of home. Time estimated from radar.

Thunderstorm Wind in WASCO, OREGON
From 09-AUG-19 19:46:00 to 09-AUG-19 19:51:00 (PST-8)
Location: FRIEND
Magnitude: 61.00 MG
Reported by: Mesonet

Occurred on US Highway 97 northbound at mile post 21.

Thunderstorm Wind in SHERMAN, OREGON
From 09-AUG-19 19:48:00 to 09-AUG-19 19:54:00 (PST-8)
Location: GRASS VLY
Magnitude: 52.00 MG
Reported by: Mesonet

Measured by RAWS station.

Thunderstorm Wind in WASCO, OREGON
From 09-AUG-19 20:30:00 to 09-AUG-19 20:35:00 (PST-8)
Location: TYGH VLY
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large Aspen blown down west of Tygh Valley at the intersection of US Highways 197 and 216.

Flood in WASCO, OREGON
From 09-AUG-19 20:40:00 to 09-AUG-19 21:45:00 (PST-8)
Location: THE DALLES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several areas of flooding reported due to heavy rainfall and small hail.

Thunderstorm Wind in WASCO, OREGON
From 09-AUG-19 20:30:00 to 09-AUG-19 20:35:00 (PST-8)
Location: WAMIC
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Large oak tree blown down in Wamic.