September 2019 Weather Discussion for the PNW

[Omegaraptor]

Drab and dreary day in the lowlands.

Too bad you won't see the convection building thanks to the slate gray ceiling.

It’s 80 and sunny in San Diego right now.

[BLI snowman]

Drab and dreary day in the lowlands.

 

Too bad you won't see the convection building thanks to the slate gray ceiling.

 

Off to a quick start this season I see.

[TT-SEA]

It’s 80 and sunny in San Diego right now.

So?

 

We had that yesterday. Today is very drab. Tomorrow will be more interesting... and brighter.

[Blizzard777]

Drizzle SE Portland

Ugh, could be a drizzly Timbers game tonight

[TT-SEA]

Off to a quick start this season I see.

Drab days happen in all seasons. Its OK to report on what is happening. Flat gray all day is drab.

[Deweydog]

Convecticatation in progress!!!

[BLI snowman]

Drab days happen in all seasons. Its OK to report on what is happening. Flat gray all day is drab.

 

7.5 months

[El_Nina]

Something's happening to my east.

[Perturbed Member]

Moderate rain here, a lovely sight. Accumulating nicely on all surfaces. 

[El_Nina]

Heavy mist here picked up 0.03" so far. Visibility is low. Rumbles from the east continue.

[Phil]

Dorian is now a post-tropical cyclone. It's about time.

With sustained winds up to 100mph again. Lol.

[GHweatherChris]

It’s 80 and sunny in San Diego right now.

Been a great summer here.

[Jesse]

Some very nice heavy drizzle here.

 

Only topped out at 68 today. Looks like some convection is firing up over the Cascades at the moment.

[Phil]

Honestly, is “heavy drizzle” an inside joke, or is it a serious weather ob? I’ve never understood the reference.

[TT-SEA]

Honestly, is “heavy drizzle” a joke, or is it a serious weather ob? I’ve never understood the reference.

Serious observation. Happens all the time. There is a huge difference between that and light drizzle. Heavy drizzle is drenching wet... but with very fine droplets.

[Frontal Snowsquall]

I didn’t want to get too flamboyant before it became more of a sure thing, but FWIW, there is a significant SSW/final warming ongoing over the South Pole right now. These are relatively rare down there for topographic reasons, and there hasn’t been a legit South Pole SSW/FW event since 2002.

 

And yes, research suggests there are consequences for the tropics/NH following these events, and in theory this could impact the evolution into/through boreal winter given timing and EHEM/IO telecommunicative conduits (where MJO genesis climatologically occurs).

 

As for what this could entail..

 

Well, for one, there will likely be little/no ozone hole over Antarctica for a time this year. Furthermore, there could be important low frequency changes to the circulation over the SPAC and IO/SIOD/IPWP communicative roots to the seasonal cycle of EOFs for their respective phase changes, as the SH component of the seasonal cycle is disrupted.

 

This one is worth watching as much as any NH SSW would be, as far as long term impacts on the global system state are concerned.

I heard about the SSW in the Southern Hemisphere. Didn't realize it's a rare occurrence for them down there.

 

Yeah, interested in researching more about this and its potential ramifications down the line!

[Frontal Snowsquall]

Saw that it was much sunnier to the east... so we drove 12 miles east and hiked to Franklin Falls.

 

That's a beautiful waterfall! Gotta visit it sometime.

[Phil]

Lol @ Tim spending his life running from clouds.

 

They’re just clouds, Tim. They won’t hurt you. In fact your body is made of the same exact stuff clouds are!

[MossMan]

Today’s signs that winter is coming...my 12 yards of drain rock arrived and I had it dumped next to my winterized boat, the head of our neighbors flamingo floaty is starting to droop, and my truck got new tires today. Going to be a wild and Woolley winter season!

[Omegaraptor]

Lol @ Tim spending his life running from clouds.

 

They’re just clouds, Tim. They won’t hurt you. In fact your body is made of the same exact stuff clouds are!

 

Water also causes humidity. 

[Phil]

[TT-SEA]

Lol @ Tim spending his life running from clouds.

 

They’re just clouds, Tim. They won’t hurt you. In fact your body is made of the same exact stuff clouds are!

You really need new material.

[Phil]

Water also causes humidity.

Touché. I take it back.

[Phil]

Serious observation. Happens all the time. There is a huge difference between that and light drizzle. Heavy drizzle is drenching wet... but with very fine droplets.

Interesting. Well I learned something new today.

 

In that case, I don’t think I’ve ever experienced heavy drizzle before. Visibility-reducing mist during the winter sometimes, but it’s hard for me to picture “heavy drizzle” in my minds eye. Lol.

[Phil]

The b*tch is awake.

 

Off to a slow start though. Zonal wind is just 3m/s at 10mb/65N. Definitely weaker than average for this time of year.

 

http://www.atmos.albany.edu/student/hattard/realtime/u_65N_10hpa_gefs.png

[Jesse]

What’s “the b*tch”. The PV?

[snow_wizard]

Today’s signs that winter is coming...my 12 yards of drain rock arrived and I had it dumped next to my winterized boat, the head of our neighbors flamingo floaty is starting to droop, and my truck got new tires today. Going to be a wild and Woolley winter season!

 

The droopy head flamingo is a sure sign of a Jan 1950 redux!

[Requiem]

Mark Nelsen noted that this little thing was one of the most intense thunderstorms he had seen west of the Cascades. Weakened eventually, but convection is definitely cranking over the mountains this evening.

 

[snow_wizard]

Latest SEA AFD is interesting. Hoping for a few rumbles of thunder tonight. Should be lots of rain associated with any lightning storms so that’s good. Overall a wet night is coming up.

 

Things are firing up about as far north as south Pierce County now.  Could be some fun over the next hours as it moves north.

[TacomaWaWx]

Things are firing up about as far north as south Pierce County now. Could be some fun over the next hours as it moves north.

I’m watching closely from my friends deck over looking commencement bay to the east. Radar looks pretty active.

[Frontal Snowsquall]

Mark Nelsen noted that this little thing was one of the most intense thunderstorms he had seen west of the Cascades. Weakened eventually, but convection is definitely cranking over the mountains this evening.

 

Wow, even the colors of the radar are off the chart!

[TacomaWaWx]

Lightning only 24 miles south of Tacoma. We will see if these actually hold together moving N.

[Phil]

What’s “the b*tch”. The PV?

Yeah.

[Phil]

Lol..now Canadians are getting a taste of Dorian.

 

https://mobile.twitter.com/mattreaganwx/status/1170433340115181570

[Jesse]

Yeah.

Ok. It seems you’ve referred to many natural phenomena as “the b*tch” so wanted to make sure.

[GHweatherChris]

You really need new material.

He is right.

[TacomaWaWx]

Hearing some loud boomers in Tacoma 5 miles away. Seeing some CG strikes!

[TacomaWaWx]

Massive fire visible in the port of Tacoma set off by a big CG strike

[TacomaWaWx]

Tons of lightning in Tacoma unbelievable. Huge fire visible in the port of Tacoma big CG bolts hitting.

[TT-SEA]

They are going to be clearing Huskies stadium soon.