It's Happening Now: Double Convergence Zone and Lowland Snow with Lightning

 The models were scary good tonight.

As predicted, a double convergence zone formed this evening, producing heavy rain, thunder, small hail, and yes....snow.

a double convergence zone formed this evening It's Happening Now: Double Convergence Zone and Lowland Snow with Lightning

Snow has been reported around Everett (Paine Field), Marysville, and at SeaTac Airport.

And snow was reported earlier on the higher hills around Bellevue (see below)

a double convergence zone formed this evening It's Happening Now: Double Convergence Zone and Lowland Snow with Lightning
Snow at 1170 ft in Bellevue.  Picture courtesy of Dr. Peter Benda

In the radar image above, the orange and red areas indicate heavy precipitation and small hail associated with strong convection, including embedded thunderstorms.  Several have reported thunder. And there are major power outages in south Seattle that I suspect are due to the thunderstorm activity (see below)

a double convergence zone formed this evening It's Happening Now: Double Convergence Zone and Lowland Snow with Lightning

Expect the precipitation to fade out overnight, making way for a chilly Tuesday morning.




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