Classic Sea Effect Snow off the Baltic Sea into parts of northwestern Europe ! (credit: NASA Terra/MODIS)
DISCUSSION: As seen in the image above (courtesy of the NASA Terra/MODIS satellite imager, as of much earlier in the day today there was a series of very impressive sea effect snow bands (a.k.a. "cloud streets", streamers, or horizontal convective rolls) propagating from north to south across the central/southern portions of the Baltic Sea. These sea effect snow bands or streamers formed as a result of excessively cold air moving over the relatively warmer waters of the Baltic Sea. Thus, as a consequence of the temperature difference between the sea-surface temperatures and the temperatures of the air roughly a mile above the ground, there was a classic sea-effect snow response. This sea effect response lightly impacted far western sections of Estonia, Latvia, and Lithuania.
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©2017 Meteorologist Jordan Rabinowitz