‘Hole punch’ clouds spotted Thursday above parts of Western Washington

Jan 14, 2021, 4:42 PM | Updated: Jan 15, 2021, 5:09 am

hole punch clouds...

A hole punch cloud. (NWS Seattle/Twitter)

(NWS Seattle/Twitter)

National Weather Service Seattle shared photos on Twitter of “hole punch” clouds spotted above parts of Washington on Thursday.

In the satellite loop video below, they spotted one such cloud near the coast and another passing across Mason and Kitsap counties. NWS Seattle says these “hole punch” clouds are also known as fallstreaks.

In response to someone’s question about the cause of these peculiar clouds, NWS Seattle says “generally they are caused by aircraft passing through the layer.”

After rain and strong winds Tuesday into Wednesday caused hundreds of thousands of Puget Sound residents to be without power, the weather has quieted down. As of early Wednesday, however, Seattle had received 20% of its normal annual rainfall.

“Through this point of the month, no other January since 1894 comes close in rainfall,” NWS Seattle tweeted. “The closest comparison is January 1990 and it was almost an inch and a half below our current total.”

The Seattle area may not be done with rain yet this week as more wet weather is expected into early Friday.

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‘Hole punch’ clouds spotted Thursday above parts of Western Washington