Strong Santa Ana winds are expected to increase in San Diego and spread southward today, with forecasters warning of strong gusts and dry conditions that heighten fire risks through Friday morning. According to National Weather San Diego, we’re bracing for a noticeable drop in humidity and much cooler temperatures inland, with today’s highs ranging from 62 to 70 degrees in the inland valleys and lower across the San Bernardino County mountains and deserts. Coastal areas expect highs from 71 to 75 degrees, a slight bump from Tuesday.
The more concerning aspect of these weather patterns is the implications for fire danger. The NWS San Diego has issued Red Flag Warnings and High Wind Warnings for much of the region, highlighting the risk for rapid fire spread given strong winds and low humidity. Friday through the weekend, we expect to see a reprieve of sorts, with weaker winds and a rise in humidity. Still, early next week could introduce cooling, stronger west winds, and even a slight chance of showers by Monday night, with a greater recovery in humidity.
Aviation and marine interests are also on notice, with gusty northeast winds expected to affect air travel and sea conditions. The marine area north of La Jolla will likely experience east-northeast winds with gusts hitting 25 to 30 knots this afternoon through Thursday morning, enough to prompt a Small Craft Advisory. Pilots can anticipate areas of low-level wind shear before the winds surface, alongside potential visibility issues from blowing dust where the winds prove strongest…