A flat ridge of high pressure will keep western Nevada dry and hot through the rest of the week, with triple digit high temperatures a possibility by the weekend. The skies should remain mostly through the work week, but over the weekend the high heat should be enough to allow some cumulus cloud development on our area, and a slight chance of afternoon thunderstorms moves back into the area.

Earth's orbit

So now that the days are getting shorter, why are we losing more daylight in the morning than the evening? Right now we are just about at the furthest point out from the sun, and as a result we are moving around the sun at the slowest speed. Every day, the earth spins one full rotation PLUS 1/365th of a rotation to make up for how far the earth has orbited the sun (we keep our days straight with respect to the sun’s position relative to the earth). That means that every 24 hour period we over-rotate a bit a bit since we are travelling a little less around the sun during that 24 hours.

Tomorrow, I’ll explain why that makes a difference.

 

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