Heard thunder for about 12 h it seemed yesterday, but little came of it. Even the rainshafts looked anemic for the most part for the second day in a row. Current 24 h rainfall totals from the Pima County ALERT gages here. U of AZ network here. “Coco” for Pima, here. Got hopeful after a disappointing… Continue reading Lots of thunder and bluster but only a trace in Catalina
Category: Lightning
Royally “plugged in”, big and small
Yesterday’s higher based Cumulonimbus clouds were hyper-electrified for some reason. Their bases were running about 11-12 kft above the ground over Catalina at 5 C (41 F). Here’s are two examples of the tiniest thunderstorms I have ever seen (and I seen a lot of ’em, having chased them in the southern Cal deserts… Continue reading Royally “plugged in”, big and small
68 F dewpoint in Catalina now; 0.31 inches overnight
68 F dewpoint at TUS, too. With this kind of dampness, it should be an exciting day with clouds topping the Catalinas, and you know when that happens, its another sign of really heavy rain in the area. In fact, we have a little strip of Stratus fractus along the base of the Catalina’s now… Continue reading 68 F dewpoint in Catalina now; 0.31 inches overnight
Whence graupel?
What a fantastically gorgeous, if uncomfortable day yesterday was! Such skies! Such odd temperatures for March 19th. And another day with ice falling from the sky, mostly “graupel”, but also some snowflakes (aggregates of dendritic crystals) at one point, too, when “stratiform clouds” came by (flat, layered ones) about mid-day. The total water equivalent, 0.08… Continue reading Whence graupel?