Wednesday, August 17, 2016

Drying In Low-Levels Overnight

The blended PW analysis above (for 12 UTC from CIRA at Colorado State University) indicates PW has fallen to around an inch over southeast Arizona, as drier air encroached from the east to southeast during the night. The morning skewT plot below for TWC (from SPC) fits with the CIRA analysis, as PW is at 1.02 inches and sounding is quite stable. Both WRF models run at 06 UTC forecast a down day for southeast Arizona, with no thunderstorm activity.

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