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Powerful Pacific System Impacting the West; First Significant Snow for Portions of the East

Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >

Overview

Monsoon moisture continued to be advected into eastern Utah and western Colorado from the south on Sunday, August 4, 2019. This resulted in scattered to numerous showers and thunderstorms across the region during the afternoon and evening hours as available moisture was at 120% of the climatological normal. Additionally, a passing shortwave disturbance enhanced the coverage and intensity of convection over western Colorado.

All of these elements resulted in showers and thunderstorms that were producing heavy rainfall with some storms exceeding 0.50 to 1.00 inches per hour. As a result, significant flooding and debris flows occurred on the Lake Christine Fire burn scar near Basalt, Colorado, and along Fryingpan Road in particular during the evening hours on August 4. Fryingpan Road was closed for 3 hours due to debris cleanup and approximately 10 vehicles were stuck on the road. Additionally, roughly 30 homes were impacted and evacuation orders were in place for Cedar and Pinion Drives.

Cedar Drive in Basalt, CO (Credit: Carbondale Fire)
KGJX Radar Imagery Over Lake Christine Burn Scar on August 4, 2019
Fryingpan Road east of Basalt, CO (Credit: Aspen Times) Debris Removal Around Basalt (Credit: Aspen Times) Cedar Drive in Basalt, CO (Credit: Carbondale Fire)
Fryingpan Road near Basalt, CO (Credit: Aspen Times) Debris Removal Around Basalt, CO (Credit: Aspen Times) Cedar Drive in Basalt, CO (Credit: Carbondale Fire)
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