National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >

A Puget Sound Convergence Zone (PSCZ) forms when strong westerly winds flow around the Olympic Peninsula and converge over Puget Sound. It generally forms north of Seattle, and may move southward to as far as Boeing Field or SeaTac Airport. A PSCZ can cause a narrow band of convective precipitation along it, which can include rain showers, thunderstorms, or snowfall. Strong south to southwest winds are to the south of the PSCZ and north to northwest winds to the north.





 
Hover over or click station to get METAR and TAF (if available)

Wind Barbs, PIREPs, Radar, 10nm Range Rings, all sites except CWOP


073
FTUS46 KSEW 242115 AAD
TAFSEA
TAF AMD
KSEA 242115Z 2421/2524 19015G27KT P6SM -SHRA SCT009 BKN035
WS020/20045KT
FM250100 20009KT P6SM BKN040
FM250600 08004KT P6SM BKN035
FM251100 03008KT P6SM OVC045
FM252100 01007KT P6SM OVC020=
 
 

074
FTUS46 KSEW 242115 AAD
TAFBFI
TAF AMD
KBFI 242115Z 2421/2518 19012G25KT P6SM -SHRA FEW030 BKN040
WS020/20045KT
FM250100 17008KT P6SM BKN045
FM250600 09002KT P6SM BKN040
FM251700 36003KT P6SM OVC050=
 
 
   

011
FTUS46 KSEW 241737
TAFPAE
TAF
KPAE 241737Z 2418/2518 34007G18KT P6SM -SHRA BKN006
TEMPO 2418/2419 BKN002
FM242200 18018G32KT P6SM -SHRA OVC015
FM250200 20010KT P6SM BKN025
FM250600 35002KT P6SM BKN035
FM251700 34004KT P6SM OVC025=