Saturday, August 14, 2021

More Morning Rain

Morning rains have generally ended now - as per view above from campus.

Plot for detected CG flashes (below - from Atmo and Vaisala) shows extensive thunderstorm across Arizona for 24 hours ending at 6:23 am MST this morning.

Rainfall (above and below - for 24 hours ending at 8:30 am) from the ALERT network indicates almost 100 percent of stations receiving at least 0.04" - numerous reports of 1 to over 2 inches. Here at house we received 0.69", all falling after midnight. The airport reported 1.60"; DM 1.05"; and Atmo 0.83".

Morning skew-T plot for TUS/TWC sounding (above) shows almost two inches of PW, perhaps a sliver of CAPE, and continued mostly light and variable winds aloft.

At 500 mb (below) the western anticyclone is centered over southern Utah, with another center over central Texas. Inverted trough continues over Arizona. What has appeared to be another trough to our east, over parts of New Mexico, now seems to be the trough between the two anticyclone centers. 

Regardless, main question for today is whether storms will re-develop over southeastern Arizona, as another large area of showers approaches from southwestern New Mexico.

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