Category Archives: POES

Questions and answers concerning Polar Orbiting Satellites.

Popocatépetl Volcanic Eruption

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

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

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

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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