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Brace for impact. The #ECMWF #weather #model promises scorching temperatures over #Europe the coming week. Anomalies of up to 15-20 C higher than normal are expected.

This weather is brought to you by climate change (for those who claim it's been hot before: weather is what happens, climate is the probability it happens. And this has become significantly more probable because greenhouse gases and physics.)

This is the Forecast Discussion from KSEA / Seattle WA NWS at Tuesday 03/25/2025 14:54:53 PDT

SYNOPSIS:

The focus shifts to convection on Wednesday, with impactful weather on tap for all of western Washington

As a low pressure system approaches the Pacific Coast, showers and embedded thunderstorms are likely to form over the Olympic Peninsula throughout the mid to late morning hours

A dynamic warm front will lift across the region throughout the afternoon and into the evening, bringing a round of widespread and potentially strong thunderstorms northward

The primary threats for these storms will be hail and/or gusty winds, alongside frequent lightning and locally heavy rain

The strongest storms are currently favored to move northward east of the Puget Sound Wednesday along the I-5 corridor during the mid- to-late afternoon, likely causing impacts for the afternoon commute

Copy-pasted from the "Deep Weather" app on my iPhone 14

#WAwx#ORwx#BCwx

This is the Forecast Discussion from KSEA / Seattle WA NWS at Monday 01/06/2025 06:09:55 PST

SHORT TERM, today Monday into mid-week:

The main story for the next week is pretty benign weather for January in Western Washington.

Satellite imagery early this morning shows cloudy skies over most of the lowlands with mostly clear skies over the mountains.

Increasing northerly winds have dissipated some of the fog with a few places, like Bellingham and Everett still reporting a mile or less visibility.

Temperatures were mostly in the mid 40s.

Upper level ridge offshore building into Western Washington today.

The forecast problem for the day is how long the low clouds hang around in the lowlands.

Early morning top reports from aircraft flying into Seattle-Tacoma airport have the tops 2000-2500 msl and the cloud layer 1000-1500 feet thick. KOLM-KBLI gradient below -2 mb and will stay that way this morning so expect what is left of the fog to dissipate by mid morning.

The cloud cover is another matter. Subsidence from the upper level ridge building into the area will help compress the low level moisture layer but model soundings show light winds above the surface and the inversion not breaking until this afternoon.

1500 feet of moisture will take a little time to dissipate under these conditions.

Will word the forecast cloudy in the morning becoming sunny in the afternoon for most of the lowlands. It will be a sunny day in the higher elevations.

Highs today in the mid 40s to lower 50s.

Copy-pasted from the "Deep Weather" app on my iPhone 14

#WAwx#ORwx#BCwx

This is the Forecast Discussion from KSEA / Seattle WA NWS at Monday 12/23/2024 04:24:19 PST

SHORT TERM: Today will feature a somewhat longer reprieve from more active weather, with the next front arriving tonight into Tuesday morning. Right now, scattered showers linger along the Olympic Peninsula and in the Cascades.

This will largely taper off into the late morning hours. Expect partly cloudy conditions with a high in the low 50s today.

Going forward into Tuesday, the next storm will arrive and bring another round of rain and stronger winds. Wind direction will be out of the east to southeast for much of Tuesday morning before transitioning to southerly as the frontal system gets nearer to the coast.

Cascade gaps, northern Olympic Peninsula and immediate coastal locations will see the strongest winds. Right now, the forecast calls for gusts in these locations to be between 35 and 40 mph through late Monday night into early Tuesday morning.

Copy-pasted from the "Deep Weather" app on my iPhone 14

#WAwx#ORwx#BCwx
Continued thread

This is me in 1991 when I worked for the National Weather Service at their Weather Service Meteorological Observatory in Garden City, KS. I was radar certified and sitting behind me is the console for the WSR-57. This radar was part of a network of conventional weather radars the United States used for their observation and warning programs. This radar was designed/built well before I was born...and included vacuum tubes! The radar was decommissioned later that decade. #OriginStory #wx #Radar