Category Archives: Aviation Weather

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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Colorado Fog

Fog engulfed northeastern Colorado this morning. Thick fog persisted over several hours, along the northern, I-25 corridor and eastern Colorado plains. Real-time surface observations below, can point out the foggy areas, indicated by the horizontal, parallel, pink lines. Surface observations … Continue reading

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