Those of us awaking this morning were literally a-palled by the amount of smoke around. Not even Twin Peaks was visible, some 10 miles to the SW. See examples of smog in the photos below. Where did it come from? Back trajectories, ones that end in Tucson as of this morning at 5 AM shown… Continue reading Catalina-Smog before the storm
Author: Art Rangno
Retiree from a group specializing in airborne measurements of clouds and aerosols at the University of Washington (Cloud and Aerosol Research Group). The projects in which I participated were in many countries; from the Arctic to Brazil, from the Marshall Islands to South Africa.
Welcome
Many of us here in SE Arizona will not be outside today no matter how nice it is because of historic sports emergencies that will require viewing of the TEEVEE at all times. However, if we do go outside to BBQ some hot dogs or prepare other similar worthwhile foods common to “football day”, there… Continue reading Welcome
Cirrus clouds overhead now
These clouds, the very first ones usually precursors of disturbances, are overhead now with the airways crossing Arizona evident in the “condensation trails” (contrails) showing their positions. FORTUNATELY (the writer despises contrails), there are few overhead of Catalina-Tucson area because there are few airways overhead. Most of our contrails are to the north of us,… Continue reading Cirrus clouds overhead now