Dangerous heatwave to impact inland Southern California starting this weekend and lasting into this next week gains strength from previous forecast numbers with temperatures over 105 for the valleys and temperatures as high as 118F for Bakersfield.  Read on for details.

What is known at this time of year as a monsoonal heat-blast is about to strike the Southland.  A monsoonal heat-blast happens near the start of the Southwestern United States Monsoon when the first southeast flow hits.  When this happens, the onshore flow, or mother nature’s air conditioning we are use to, goes away … and is replaced by a dry southeast flow.

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Because this southeast flow comes from the land and not the ocean … is the reason for the lack of cooling and thus hotter temperatures.  This however does not mean we will see any moisture from this heat-blast.  It marks the start of the Southwest Monsoon for areas like New Mexico and Arizona, with weak intrusions at first, gaining steam through July.

Temperatures starting this Friday will be well above average and Summer like in all inland areas.  Triple digits in the valleys is certain, with the same across the deserts.  By Tuesday, temperatures in the Inland Valleys will be 104-108F with temperatures as high as 118F for Bakersfield … Yes you read that right, 118F for Bakersfield.

110F will be breached in the inland areas by Wednesday (21st).. the official start of Summer.

Coastal areas will remain in comfortable conditions …

This type of heat is dangerous so you will need to prepare now …

• Drink plenty of water; even if you do not feel thirsty. Avoid drinks with caffeine. Persons who have epilepsy or heart, kidney, or liver disease; are on fluid-restricted diets; or have a problem with fluid retention should consult a doctor before increasing liquid intake.
• Never leave children or pets alone in closed vehicles.
• Check on family, friends, and neighbors who do not have air conditioning and who spend much of their time alone.
• Check on your animals frequently to ensure that they are not suffering from the heat.
• Go to a designated public shelter if your home loses power during periods of extreme heat. Stay on the lowest floor out of the sunshine if air conditioning is not available.
• DO NOT WALK YOUR DOGS ON HOT SURFACES …

The heat will last for a prolonged period of time … Consider this a high heat warning …