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From the Cliff Mass Climate Weblog
Cliff Mass
Generally you see meteorological imagery and simply say wow.
Right this moment an enormous low middle extends over a lot of the northeast Pacific, whereas a formidable plume of moisture–an atmospheric river– stretches southwest-northeast in the direction of the California coast.
The infrared satellite tv for pc picture this morning reveals the state of affairs, with the white areas indicating larger clouds.
Need to be impressed much more? Right here is the water-vapor satellite tv for pc picture on the similar time, viewing the emission of water vapor to house. Scary for northern California!
For reference, right here is the sea-level stress evaluation on the similar time, with low-level temperatures and winds additionally proven. Maybe the most important low-pressure middle I can keep in mind spreading over an enormous space. With heat air from the southwest on the southern aspect (orange colours). That’s the atmospheric river.
To actually hit that dwelling, under is a map for a similar time (this morning) of a potent diagnostic of atmospheric rivers, built-in vapor transport, IVT. This describes how a lot water vapor is being pushed round by the wind.
Blue colours present very excessive values within the core of the atmospheric river.
Substantial precipitation will fall in the present day and tomorrow in California and Oregon from this atmospheric river (see forecast under). Northern California has been essentially the most anomalously dry a part of the Golden State. Not.
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