A strong cold front pushed through central California from the evening of October 17 through the early morning of October 18 as a low pressure system dropped southward through the Great Basin. While this system did bring some light precipitation to the Sierra Nevada with several stations measuring 1 to 3 tenths of an inch of liquid precipitation and 1 to 3 inches of new snowfall above 6000 feet,…
Every event with a place to put it; 8 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS HNX wrote it up.
A strong cold front pushed through central California from the evening of October 17 through the early morning of October 18 as a low pressure system dropped southward through the Great Basin. While this system did bring some light precipitation to the Sierra Nevada with several stations measuring 1 to 3 tenths of an inch of liquid precipitation and 1 to 3 inches of new snowfall above 6000 feet, the main impact from this system was a period of gusty winds across the West Side Hills as well as across the Kern County Mountains. Several stations reported wind gusts exceeding 45 mph with a few low impact indicator sites measuring gusts exceeding 60 mph.
The national radar mosaic for the moment the first event began.
7 high wind, 1 dust storm. Local standard time, as filed.
Public report of blowing dust along with frequent estimated wind gusts above 35 mph which resulted in the closure of SR 41 at the intersection of York Ave.
The PG&E station at Joaquin Ridge measured a peak wind gust of 63 mph.
The Twisselman RAWS measured a peak wind gust of 66 mph.
The Walker Pass RAWS measured a peak wind gust of 58 mph.
The Bear Peak RAWS measured a peak wind gust of 58 mph.
The Jawbone Canyon RAWS measured a peak wind gust of 64 mph.
The Blue Max RAWS reported a peak wind gust of 83 mph.
The Bird Springs Pass RAWS measured a peak wind gust of 74 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2021Every state in 2021This day in weather historyWarnings in California, October 2021
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 980669, 980670, 980641, 980645, 980644, 980642, 980646, 980643.