Category Archives: POES

Questions and answers concerning Polar Orbiting Satellites.

Popocatépetl Volcanic Eruption

Posted on February 15, 2019 by Jorel Torres

Popocatépetl Volcano erupted overnight, spewing volcanic ash emissions, from 0200-1600UTC, 15 February 2019. Geostationary and polar-orbiting satellites observed this atmospheric phenomenon from 00-16 UTC, 15 February 2019. GOES-16 3.9um  A hot spot (i.e. white, warm brightness temperature) is produced from … Continue reading →

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VIIRS Captures Ice/Ocean Movements

Posted on February 13, 2019 by Jorel Torres

By Lewis Grasso and Jorel Torres VIIRS captures interesting imagery in the Arctic. From 0314 UTC to 1233 UTC, 13 February 2019, VIIRS, on-board NOAA-20 and S-NPP, imaged fascinating features in the Arctic. In particular, imagery from Band I4 (3.74um) … Continue reading →

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Observing sea surface temperatures from GOES and JPSS

Posted on February 7, 2019 by Jorel Torres

Observing sea surface temperatures (SSTs) from satellite is an important aspect in weather forecasting for a variety of applications. Applications consist of (but not limited to) forecasting hurricane intensity, sea fog, and convection over the oceans. But remember, oceans are … Continue reading →

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Arctic Blast in the Upper Midwest

Posted on January 30, 2019 by Jorel Torres

A cold arctic air mass moved into the Upper Midwest the past two days (29-30 September 2019), providing extreme cold temperatures for several states, including North Dakota, Minnesota, Wisconsin, South Dakota, Iowa, and Illinois. Along with high winds, the calculated, … Continue reading →

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