AnthonyC

Pressure gradients are still solidly offshore for all locations...including the coast. So I expect tomorrow will be either as warm, or slightly warmer, than today - at least inland. But even the coast looks toasty.

SEA is at 81f as of last hour. Not bad at all for April 30. Enjoy it now, as long range GFS forecast is showing quite the change starting Friday...and lasting for the forseeable future.

Hey, it could be 38f and raining today... I'll take my 54f, partly sunny skies, and run with it.

BEAUTIFUL day out there!! Sure feels like Spring!!

I'm really enjoying the weather today. Feels like early Spring. I'm also enjoying the pattern shown on the GFS - very diverse and dynamic, just like March should be. At this point I'm not really looking for lowland snow/arctic cold...thunderstorms, brief heavy rainfall and copious sunbreaks is what I'm looking for now! Let me know next time you're in Issaquah...I can meet you for breakfast...or a beer.

Satellite pics look further south. I'll admit, haven't looked at observations for wind direction, but my eye says further south...

Is it me, or is this latest surface low coming in much further south than what models predicted? The GFS (at least at one time) was showing landfall north of WA, yet latest satellite pics show it coming into northwest OR (at least from the visible eye).

The mountains are just getting pounded!! I could easily see snowfall accumulation above average by end of week, which seemed almost impossible a month ago. Moderate rain all day in Issaquah. Very raw. But kind of nice to look at, next to a fire with your girlfriend.

Oh well. Time to move on. At least more snow for the mountain passes.

That's how I'm feeling, too. I just get a feeling this is going to be a massive event for most of Western WA/OR. Impressive nonetheless, but the first week of March just takes the cake...

Can someone post the SEA one please?

WOW!! Like I've mentioned before, the 1st week of March is notorious for arctic cold/lowland snow. It's too bad the first week of January isn't the same...at least anymore.

The 18Z NAM is just about to be awesome at the end of the run... I'm noticing the upper-level pattern is getting better and better with each model run, which is good for us. Definitely an omega block in Alaska, and a lot of the model runs are starting to show more of a consolidated offshore ridge. The pattern starts retrograding tomorrow...how far west and south that goes remains to be scene...

The 06Z GFS operational isn't as good as the 0Z...trough doesn't dig as far south and west. The upper-level pattern isn't great, so a lot at the surface is going to need to drive this through the Fraser River Valley. It's definitely an odd-looking pattern.

I'll take ONE more shot before I want Winter to be over...and warmer/drier weather to arrive. The first week of March is notorious for arctic air.

Now THAT is awesome!!! I desperately need a vacation...

It looks like some observations over the northwest interior (right along the border) have switched to a NE wind...arctic seepage starting?

I have a moderate rain/snow mix here in Issaquah...at about 500ft.

Is this real output from the GFS? This just seems ridiculous given the trend of the model runs the past day... 2 - 6 inches for almost all of Western WA??

GFS output shows 4 - 5 inches for Issaquah. Too bad it's the only model showing that. Had a little wet snow this morning, but no accumulation. Temperature is back up to 39f now.

The 12Z NAM is much more in line with the GFS suite...further south with the cold / moisture. Shows decent accumulation from roughly south Seattle to Mt. Vernon.

I noticed the 12Z NAM has trended further south (like the GFS).

The WRF is showing a solid 2 - 6 inches of snow from Tacoma to Mt. Vernon Sunday afternoon/evening.

One thing for sure...the cold air doesn't make it nearly as far south on the 0Z WRF compared to this morning's 12Z run. Not a good trend.

And yet another WRF run that shows the central sound getting decent accumulation.