November 25, 2016 Rare November Snow in Tokyo
November 25, 2016 Rare November Snow in Tokyo
acquired November 25, 2016 download large image (2 MB, JPEG, 1950x1300 - left)
acquired November 25, 2016 download large image (3 MB, JPEG, 1950x1300 - right)
Rare November Snow in Tokyo
acquired November 25, 2016 download large image (2 MB, JPEG, 1950x1300)
Rare November Snow in Tokyo
acquired November 25, 2016 download large image (3 MB, JPEG, 1950x1300)

On November 24, 2016, Tokyo received its first November snowfall in more than half a century. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this natural-color image the same day. The snow fell in and around the Japanese capital, coating the metropolitan area and accumulating along some sidewalks.

The second, false-color image from Terra shows a stark contrast between snow (blue) and clouds (white). The snow traces the contours of surrounding mountains and is distinguishable from clouds offshore. Central Tokyo is gray-brown in color, suggesting less accumulation or faster melting. Urban centers tend to shed snow faster than surrounding countryside because they are often hotter, a result of the urban heat island effect.

The November dusting was caused by a cold air mass moving down from the Arctic, according to the Japan Meteorological Agency. Meteorologists connected the storm to the Arctic oscillation, a climate pattern that affects the northern hemisphere. Usually, high air pressure in the mid-latitudes prevents colder, low-pressure air seeping down from the Arctic. However, weaker pressure systems occasionally disrupt this barrier, and colder air can penetrate further south, as in this case.

NASA Earth Observatory image by Joshua Stevens, using MODIS data from LANCE/EOSDIS Rapid Response. Caption by Pola Lem.

Instrument(s): 
Terra - MODIS

Rare November Snow in Tokyo

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