Micro-Climate Details Inside; Today through Tuesday Morning Damaging Santa Ana Winds, Rain, Snow, and Thunderstorms Split Southern California Area


Well as the title suggests this is a micro-climate weather forecast service and an arctic storm will split the zones with some seeing little and some seeing a lot.  It will all depend where you are and below in this article update I have issued models for wind, rain, floods, and snow and as expected the activity in LA/OC has started this morning so read on for the full details and grab your zone model.  Zones are split with 1,2,3,4 in the models, 1 upper left, 2 upper right, 3 lower left, and zone 4 lower right so remember your zones for future updates …

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Rain Forecast – The most rain will be across Imperial County and the southern valley/slope zones of the LA/San Bernardino Mountains but use the zone images below for your area.

Flood Forecast – Flood Advisories were issued for this event.  Click here to read the one for Los AngelesClick Here to read the one for Imperial to Blythe

Snow Forecast – A joint Winter Storm Warning and Winter Weather Advisory alert was issued for this event for snow so in conjunction to the models below, Click here to read the alert Note:  The Kern County Mountains have a trace-2 outline but the slight eastern movement of the system may keep that down to little or nil.  I did not issue an advisory there as a result.

Wind Forecast –  Offshore Santa Ana Winds will blow through Tuesday and there will be very strong gusts out there so use the wind model below for those zones.  Definitely a Cajon Pass truck tip-over event on a prolonged scale.

Martin Wind Gust Intensity Scale –

8. Extensive widespread damage.

7. Trees are broken or uprooted, building damage is considerable. – High Profile Vehicle Roll-Over CERTAIN.

6. SOME Trees are broken or uprooted, building damage is possible. – High Profile Vehicle Roll-Over Likely, Do NOT recommend Traveling in this zone

5. Slight damage occurs to buildings, shingles are blown off of roofs. HIGH WIND WARNING CRITERIA – High Profile Vehicle Roll-Over Possible if weight is not corrected.

4. Twigs and small branches are broken from trees, walking is difficult.

3. Large trees sway, becoming difficult to walk. POWER SHUTDOWN THRESHOLD during any high fire risk. WIND ADVISORY CRITERIA

2. Large tree branches move, telephone wires begin to “whistle”, umbrellas are difficult to keep under control.

1. Small trees sway.

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