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San Diego Experiencing Longest Sub-70 Degree Weather in Six Years

The National Weather Service says that San Diego’s daytime high temperature remained below 70 degrees on Wednesday for the 37th consecutive day.

By mid-afternoon, the temperature had only reached 65 and was not trending upward.

This is the longest that the city has stayed below 70 since 2015-16, when it remained unusually cool for 38 days between December 10 and January 16.

Winter Storm to Blast San Diego County

Another winter blast is headed to San Diego County with significant rain and snow anticipated starting Wednesday morning.

A winter weather advisory has been issued for the mountain areas until 4 p.m. Wednesday and according to San Diego’s National Weather Service the expected snow will be heavy and wet. Travel in those areas is likely to be difficult to impossible. Drivers were advised to use extra caution.

 

Snow Blankets the Mountains and Winds Shut Down COVID-19 Vaccinations Near Petco

One of the biggest coastal wind storms in years walloped San Diego County Monday and ushered in heavy snow that blanketed the region’s mountains and driving rain that nudged wildland areas away from the precipice of drought.

San Diego Water Managers Seek Better Rain Forecast Information

San Diego water managers are working with local researchers to understand how atmospheric rivers bring water to the region.

The moisture-laden storm systems bring rain to Southern California, but too much rain can be damaging.

Scripps Institution of Oceanography researchers are working to better understand atmospheric rivers, or ARs, so they can predict when and where the weather systems will hit.

Heat Wave Begins to Grip San Diego County, Expected to Last Through the Weekend

Temperatures will near triple digits Wednesday in the San Diego County mountains and foothills, as a heat wave that will last through the weekend begins to grip the region.

A ridge of high pressure will continue building over the southwestern United States through Monday, ushering in the scorching heat, according to the National Weather Service.

Unusual Storm Leaves San Diego with Wettest June in 25 years

A rare storm that dropped at least one-tenth of an inch of rain on much of the county Monday morning made this the wettest June in San Diego in at least 25 years.

“Did someone forget to call Mother Nature to let her know it’s almost July?” the local National Weather Service office asked on Twitter.

Unusual Santa Ana Winds Smash Heat Records Across San Diego County

Strong Santa Ana winds — weather that rarely occurs in June — sent temperatures soaring more than 20 degrees above normal Tuesday across San Diego County, smashing or tying records from the coast to the foothills.

“The numbers were amazing,” said Mark Moede, a forecaster at the National Weather Service.

San Diego International Airport hit 93 degrees, which is 24 degrees above normal. Chula Vista reached 92 and Encinitas hit 90.

UCSD Says Climate Change Helped Produce San Diego’s Huge Ocean Heat Wave in 2018

UC San Diego researchers have confirmed that climate change helped produce the historic 43-day ocean heat wave that drew big crowds to San Diego beaches during the summer of 2018.

The finding was published in the Journal of Geophysical Research-Oceans, in a paper that says the phenomenon could not be solely attributed to natural variations in the weather.

Hottest Temperatures of the Week Expected in San Diego County

The hottest temperatures of the week are expected Wednesday throughout San Diego County, but relief will arrive this weekend, according to the National Weather Service.

High pressure over Baja California will keep temperatures warm through Friday throughout the county, then temperatures will drop quickly and return to around seasonal average on Sunday, forecasters said.

A heat advisory is in effect until 9 p.m. Friday in the western valleys and an excessive heat watch will also last until 9 p.m. Friday in the deserts.

High temperatures Wednesday are forecast to reach 82 degrees near the coast, 90 inland, 96 in the western valleys, 95 in the mountains and 110 in the deserts.

Sweltering Heat to Start Gripping San Diego County Tuesday

Temperatures will soar well into the triple digits Tuesday in the San Diego County deserts as sweltering conditions are expected to grip the region until this weekend.

High pressure centered over Baja California will continue to build this week, with temperatures expected to peak on Wednesday and Thursday, according to the National Weather Service. Desert areas could reach 110 and 107, respectively, on those days.