My Life in Cloud Seeding: Colorado to Israel

A Personal Sojourn through a Murky Scientific Field Whose Published Results Have Often Been Skewed and Unreliable by Arthur L. Rangno (journal handle) Retiree, Research Scientist III, Cloud and Aerosol Research Group, Atmospheric Sciences Department, University of Washington, Seattle. Author Disclosure I have worked on both sides of the cloud seeding fence; in research and… Continue reading My Life in Cloud Seeding: Colorado to Israel

Cirrus, Cirrocumulus and Altostratus day closes with a painting-like sunset (now updated even more!)

No rain in sight for Catalinans, to get that over with. However, if you’re bored and are thinking about a quickie storm chasing vacation with the family, monster storms, likely to produce newspaper headlines will be smashing the Pac NW in the next few days.  Expect to read about flooding and hurricane to 100 mph… Continue reading Cirrus, Cirrocumulus and Altostratus day closes with a painting-like sunset (now updated even more!)

Lucky snap; studies in orange

From the past three days, these: In other news….. Record July rains are falling in much of the coastal and intermediate valleys of southern California as the pathetic remnant of once proud Category FOUR hurricane Dolores makes landfall there today.  Places like San Diego have had well over an inch, unheard of in July.  August,… Continue reading Lucky snap; studies in orange

Hihg clouds begin to move toward Catalina! Storm of bullet rosettes ahead!

Misspelling the word, “high” was inadvertent; but leaving it was deliberate, thinking it might work as another cheap attempt to get more than one reader1, presently my mom.   Hi, mom.  Glad you enjoyed your mom’s day dinner yesterday, followed by the exciting trip through the Catalina car wash.  Really squirts, doesn’t it? Continuing….people might… Continue reading Hihg clouds begin to move toward Catalina! Storm of bullet rosettes ahead!

Loud May rain totals 0.47 inches in Sutherland Heights, Catalina

After last evening’s surprisingly heavy rain, we have now met our average for May for Catalina, having received 0.47 inches of rain over the past 24 h, some 0.36 inches during some house-shaking thunderclaps last evening. Below are the 24 h local totals, ending at 4 AM today from the Pima County ALERT gauges rolling… Continue reading Loud May rain totals 0.47 inches in Sutherland Heights, Catalina

Frequent model rains continue to fall around Catalina in the weeks ahead

This link will bring up  the window below.   There’s a little tutorial below on what to do once when you get to this window:When you get to this page, the latest model run data will come up in red.  Here, to see precipitation in colors on a map, click on the  name, “1000_500_thick” for the… Continue reading Frequent model rains continue to fall around Catalina in the weeks ahead

Not to worry; plenty of model rain still ahead in models

1While several inches of model2 rain has occurred in Catalina and in the nearby mountains this month, most of which cloud-maven person has festooned his blog with model panels of, there really hasn’t been any ACTUAL rain. But having said that, there is even MORE model rain ahead, some beginning tomorrow in these parts.  Tomorrow’s… Continue reading Not to worry; plenty of model rain still ahead in models

Phenomenological extravaganza

First you had the rarely seen “Aircraft Produced Ice Particles” (APIPs, or “High Temperature Aircraft Contrails” (HTACs) in supercooled Altocumulus in the afternoon.  Contrails were being produced in clouds that were “only” -20 C to -30 C (-4 to -22 F) and aircraft contrails were thought to be impossible at those temperatures, but rather, only… Continue reading Phenomenological extravaganza

Seattle comes to Catalina

Friends, arriving this afternoon from Seattle for a sunny and warm couple of vacation days, will find that Catalina weather today is exactly like the weather they left in Seattle; poor Tommy and Patty. Clouds will fill in as the day goes on,  becoming pretty cloudy at times, especially in the afternoon hours.   They … Continue reading Seattle comes to Catalina

Heavy Altostratus to bring sprinkles-its-not-drizzle (educational title)

Also, lotta footnotes today. Beginning to wonder, with all the middle cloud thickness out there over and SW of Baja that’s headed this way if we won’t get sprinkles that produce a little measurable rain later today or overnight…. Models beginning to wetten things up here as well, like that Enviro Can model that sees… Continue reading Heavy Altostratus to bring sprinkles-its-not-drizzle (educational title)