North Bay Mountains storm history

A second round of thunderstorms moved through the region into the morning of August 17th producing additional lightning strikes over the Bay Area. On the early morning of the 17th lightning produced a fire in Napa County that became the Hennessey Fire. Eventually, this fire merge…

Strong wind caused a double-trunked, 100 foot tall Oak tree to snap at its base and fall onto an occupied cabin-like tent near Mark West Springs. A seven-year-old girl and her grandmother were playing as the tree crashed to the ground resulting in the death of the 70-year-old wom…

A fire started at Geyser Peak early Saturday morning, and grew to about 5 acres before fire crews were able to get it contained. Reports say that the fire initially started at about 1:40am pushed by strong winds, and wind gusts up to 90 miles per hour. An additional smaller fire …

On the first day of the month a brush fire broke out in Marin County later named the Lassen Fire. Breezy onshore winds that day as well as prolonged dry conditions helped the fire quickly grow in its early stages. The fire near a populated area with evacuation orders and warnings…

Cazadero CWOP station reported high temperature of 109 degrees F.

Big Rock RAWS station measured wind gusts between 50 and 60 mph with a peak gust of 66 mph.

Big Rock RAWS measured gusts around 50 mph with a peak gust of 57 mph.

Healdsburg Hills North mesonet (PG&E) reported wind gusts between 45 and 60 mph.

Healdsburg Hills North station (PG&E) reported wind gusts between 55 and 65 mph with a peak gust of 67 mph.

Cavedale Rd reported gusts between 45 and 55 mph with a peak gust of 57 mph.

Various mesonet sites across the North Bay Mountains reported gusts between 45 and 60 mph with a peak gust of 72 mph.

Middle Peak RAWS station reported gusts around 50 mph with a peak gust of 53 mph.

Station reported a wind gust in the mountains of Sonoma County at 97 mph.

Mesonet station (PG&E) reported sustained winds at or just above 40 mph.

Mesonet (PG&E) station at Healdsburg Hills North reported wind gusts between 50 and 60 mph with a peak gust of 65 mph.

Healdsburg Hills mesonet site (PG&E) reported gusts between 45 and 55 mph.

Healdsburg Hills North mesonet station (PG&E) reported gusts between 50 and 60 mph with a peak gust of 66 mph.

Hawkeye RAWS station reported gusts between 50 and 55 mph.

Healdsburg Hills North mesonet (PG&E) station reported gusts around 40 mph.

Big Rock RAWS station reported gusts of 48 mph.

Middle Peak RAWS station measured gusts between 40 and 45 mph with a peak gust of 47 mph.

Big Rock RAWS station reported gusts.

Big Rock RAWS station reported gusts.

Atlas Peak RAWS station reported gusts.

Mesonet station near Mt. Tam reported gusts between 45 and 50 mph.

Middle Peak RAWS station near Mt. Tamalpais reported gusts between 45 and 55 mph with a peak gust of 58 mph.

Hawkeye RAWS station reported gusts between 45 and 50 mph.

Mesonet (PG&E) station near St. Helena reported a gust of 82 mph.

Mesonet (PG&E) station near Anderson Springs reported wind gust of 83 mph.

Hawkeye RAWS station reported wind gusts between 45 and 55 mph with a peak gust of 61 mph.

Mesonet (PG&E) station at Healdsburg Hills North reported wind gusts between 60 and 75 mph with a peak gust of 83 mph.

A small wildfire broke out the afternoon of the 23rd in Napa County. The fire burned 61 acres with no structures damaged.

Healdsburg Hills North mesonet (PG&E) station reported wind gusts between 40 and 50 mph with a peak gust of 52 mph.

Dry gusty offshore winds as well as strengthening high pressure enabled the generation and rapid spread of the Glass Fire across Napa and Sonoma counties at the end of September https://www.fire.ca.gov/incidents/2020/9/27/glass-fire/. Tens of thousands of residents were ordered t…

Healdsburg Hills North mesonet (PG&E) station recorded gusts of 50 to 60 mph with a peak gust of 68 mph.

Healdsburg Hills North mesonet (PG&E) measured gusts between 45 and 55 mph with a peak gust of 58 mph.

After a brief lull, the Healdsburg Hills North mesonet (PG&E) station recorded gusts 45 to 55 mph with a peak gust of 59 mph.

The LNU Lightning Complex fires continued to burn through the month of September before being extinguished in early October https://www.fire.ca.gov/incidents/2020/8/17/lnu-lightning-complex-includes-hennessey-gamble-15-10-spanish-markley-13-4-11-16-walbridge/. A total of 363,220 …

Big Rock RAWS station reported wind gusts between 40 and 60 mph.

Large tree blocking both lanes at Sir Francis Drake Blvd and Taylor Park Rd.

Healdsburg Hills North mesonet (PG&E) site reported gusts between 45 and 50 mph the majority of this time frame.

Healdsburg Hills mesonet (PG&E) site reported wind gusts between 45 and 55 mph.

Healdsburg Hills North mesonet (PG&E) site recorded wind gusts between 60 and 70 mph with a peak gust of 72 mph.

Hawkeye RAWS station measured gusts.

Hawkeye RAWS station measured gusts between 49 and 56 mph.

Big Rock RAWS station reported gusts.

Downed power line hanging over roadway at Austin Creek Rd near Chimney Rock Rd.

Hawkeye station.

Oak Ridge station.