It’s the worst Saharan dust event the island has seen in 15, maybe 20 years, says Olga Mayol-Bracero, an atmospheric chemist at the University of Puerto Rico.
Photo © Wade Tregaskis / Flickr Each morning, before I put the kettle on or open the news to see what fresh hell awaits our pandemic-blighted world, I check on the frogmouths.
“In the early 21st century, perhaps the most important artistic genre is science fiction … [It shapes] how people understand the most important technological, social, and economic developments of our time.” —Yuval Noah Harari, 21 Lessons for the 21st CenturyHalf of being human, give or take, is the work we do.
After failures plague Utility B, Utility A then needs to step in, restarting to offer redundant power to that same critical customer.In order to interact and safely share electricity, utilities also need to get their electromagnetic frequencies in tune at around 60 hertz, so part of the exercise involved not just getting Utility A and B running, but syncing them."We had 18 substations, two utilities, two command centers, and we had two generation sources that we had to bring up a crank path and synchronize," says Stan Pietrowicz, a researcher at Perspecta Labs who is working on a black start network analysis and threat detection tool through RADICS.
The Multi-angle Imaging SpectroRadiometer (MISR) instrument on NASA's Terra satellite passed over California on July 27 and July 29, observing the Carr Fire on July 27 and the Ferguson Fire on July 29.
"The plume pattern in the imagery instantly tells you without the need for radar or lightning observations or other information that these are the storms you really, really need to look out for," said Kris Bedka, an atmospheric scientist at NASA's Langley Research Center in Hampton, Virginia.