Category Archives: Aviation Weather

Santa Ana Winds and Dust Identification

It is that time of year again, to observe Santa Ana Wind events for Southern California. On 15 October 2018, an upper-level trough advected into the southwestern United States (i.e. see GOES-16, Upper Level Water Vapor imagery below), produced cold … Continue reading

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Dust off the coast of Africa!

Earlier this morning, a large areal extent of dust advected off the coast of Africa. The new National Oceanic and Atmospheric Administration  – 20 (NOAA-20) satellite, launched into orbit back in November 2017, captured the dust via Day/Night Band (DNB) … Continue reading

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GOES-16 Split Window Difference Precursor to Convective Initiation

There are two GOES-16 products related to convective activity.  One is related to convective initiation; that is, this product will identify new cumulus that will further develop into mature thunderstorms.  The second product identifies which mature thunderstorms have a high … Continue reading

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Volcan de Fuego, Guatemala erupts again!

Yesterday, Volcan de Fuego erupted again in southern Guatemala. The pyroclastic flow of Fuego surprised many, and as of this morning 4 June 2018, at least 25 people have died, while many others are injured. Locals near Fuego, are in … Continue reading

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Fog event of 22 May 2018 in the midwest – focus on nighttime microphysics RGB

During the overnight and morning hours of May 22, 2018 there was widespread fog over the upper midwest region centered around Wisconsin.  We’ll start by looking at the familiar fog product (10.3 – 3.9 micron) overlaid with ceiling (top left: … Continue reading

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