Monday, October 01, 2018

Light Rains So Far Over Metro Tucson

View above from campus shows the light showers over the metro area this morning. View at bottom shows heavy thunderstorm north of Kitt Peak yesterday afternoon.

Plot of detected CG flashes (below from Atmo and Vaisala is for 24-hours ending at 7:00 am MST) shows that thunderstorms have so far occurred mostly to south and west of both Tucson and Phoenix. Time scale at left shows time of flashes from most recent at top down to 24-hours ago.

ALERT measurements for the 24-hours ending at 6:30 am indicate a mostly light to very light event across the network (north portion above and south below). Most sites had less than 0.04" and only 1 site off to south had more than half an inch. Plot of rainfall and radar estimates (second below from FCDMC and WDT) shows that so far Phoenix area has had a much more widespread and significant event than we have down here. At 6:30 am the airport had reported 0.01", DM 0.02", and we had had 0.4" - note that as I write this it is raining fairly heavily here at house.

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