Surface dewpoints and precipitable water have been increasing steadily for last day or so -
Tds into the low 50s out at Sells and Sasabe, and even at the airport, with PW amounts generally an inch or a bit more. The night brought some middle clouds and light breezes and increased moisture (note the hazy sky at sunrise in view above) - leading to a very mild low of 67F here at the house. The official low at the airport appears to have been 75F!
Looks like there may enough moisture for showers later today in at least far southeastern Arizona, as well as showers and thunderstorms with the S/W to the north. Unfortunately, the S/W in the westerlies and the subtropical disturbances to the south-southwest are a bit out of phase, or we would have been looking at a nice end of September precipitation event. Perhaps things will be in better sync by the weekend?
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