Friday, March 13, 2020

Clearing Skies Today


At a bit before 8:00 am MST there clearing skies to the west, but a few lingering showers over parts of metro area. View at bottom of Sawmill restaurant in Summerhaven indicates a bit of snow at end of event.

For unknown reasons current upper-air observations are largely missing this morning - so it's a bit hard to assess how widespread the morning showers may be, before the upper-air trough moves by later today.


ALERT observations for 24-hours ending at &:30 am (above and below) show that event was widespread - only Marana site indicating amounts less than 0.04" - problem at that gauge? Here at house we had 0.31" during past 24-hours, most falling after midnight last night. Amounts were generally greater to our northwest. Phoenix area had widespread amounts near and over an inch.



Satellite IR image above is from about 7:30 am MST - the upper and middle level trough is over western Arizona and southern California. Forecast below from 06 UTC GFS is valid at 5:00 pm this late afternoon and indicates the weakening 500 mb trough over Arizona, as a new and strong short-wave digs southward along the west coast. 

The weekend should bring warm and mild and very nice weather, extending into early next week - enjoy.



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