Monday, August 17, 2015

Weather It Is (Extreme Heat Continues)

Good Evening:

A ridge of higher pressure over Africa and low pressure to our east will combine to push tomorrow's 850 mb temperatures to their highest levels of the past few days.  The clockwise flow around the high will combine with counter clockwise flow around the low to bring us northerly winds on Tuesday into Wednesday.

Of course, most of us don't live at 1500 meters above the ground, but the intense heat will percolate downwards and also cause to "hold in" the solar heating of the earth's surface. This means temperatures a degree or two warmer than today's (Tuesday's) and very poor air quality as  there will be relatively little mixing of the air between the surface and lower atmosphere.

Temperatures are Wednesday will be almost as hot as on Tuesday's (but not quite), and then we're headed downwards by about 10 C by the middle of next week.  The weather should be absolutely perfect for the last week of August.

Barry Lynn

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