July 18

Moisture Will Return Sunday & Monday

Posted by John . Filed under General |

It was certainly drier today with dew point levels as much as 20° lower than the past few days. See the graph below for the past 2 weeks and you can see its been quite “sticky” up until today.

Dew Point Levels - Past 15 Days

Dew Point Levels - Past 15 Days

This dryness won’t last.  A surge of moisture will return starting Saturday night thru Tuesday with thunderstorms forecasted both Sunday & Monday. Below is the Flash Flood Potential Index map released by the National Weather Service (San Diego).

Flash Flood Potential Index

Flash Flood Potential Index for Sunday the 20th

Flash Flood Index Legend

Flash Flood Index Legend

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