Colin Seftor
@cseftor.bsky.social
Mostly retired, worked as a NASA contractor during atmospheric research on ozone and aerosols at Goddard Space Flight Center. Still keep my hand in things one day per week.
Imagery using the N20 OMPS NM aerosol index shows that the smoke did go over the pole (watch the AI signal inside the circle). It's now in the easternmost part of Russia.
June 11, 2025 at 1:45 PM
Imagery using the N20 OMPS NM aerosol index shows that the smoke did go over the pole (watch the AI signal inside the circle). It's now in the easternmost part of Russia.
A pyroCb event occurred in southwestern Manitoba, Canada on 13 May. The resulted smoke plume (as seen by the N21 OMPS aerosol index) traveled across the Atlantic and is now located over the Mediterranean just west of Italy. Looks like it may be a long summer for these kinds of events.
May 19, 2025 at 5:14 PM
A pyroCb event occurred in southwestern Manitoba, Canada on 13 May. The resulted smoke plume (as seen by the N21 OMPS aerosol index) traveled across the Atlantic and is now located over the Mediterranean just west of Italy. Looks like it may be a long summer for these kinds of events.
I joined Blue Sky quite awhile ago but haven't yet posted. So let's start things off with a quick animation of this year's ozone hole as seen by the S-NPP OMPS instrument. NASA/NOAA say that it's a relatively small hole this year, evidence of the Montreal Protocol at work.
November 24, 2024 at 7:44 PM
I joined Blue Sky quite awhile ago but haven't yet posted. So let's start things off with a quick animation of this year's ozone hole as seen by the S-NPP OMPS instrument. NASA/NOAA say that it's a relatively small hole this year, evidence of the Montreal Protocol at work.