2017 California/Southwest Weather Thread

[Anti Marine Layer]

Looks like marine layer made it all the way into Palmdale this morning.

[Guest happ]

Some real winter-like conditions in the Sierra w/ reports of snowfall. Cold low over NorCal could result in thunderstorms today.

[Anti Marine Layer]

Still had light rain this morning post 11 am. Definitely have a possibility for some record low maximum temperatures today.

 

Last year on this day it was also raining with a 4000 ft deep marine layer and I was driving into Palm Springs. There was no clearing west of the mountains until Cabazon where the dinosaurs are. We also had snow in the Sierras that week just days before an insane heat wave right around the Summer Solstice. So the change of seasons from the chill of winter to the heat of summer can take place in less than a week. Climate change? Probably.

[Guest happ]

Still had light rain this morning post 11 am. Definitely have a possibility for some record low maximum temperatures today.

 

Last year on this day it was also raining with a 4000 ft deep marine layer and I was driving into Palm Springs. There was no clearing west of the mountains until Cabazon where the dinosaurs are. We also had snow in the Sierras that week just days before an insane heat wave right around the Summer Solstice. So the change of seasons from the chill of winter to the heat of summer can take place in less than a week. Climate change? Probably.

 

That is eerily close to the set-up facing us. These are the days of coolness/ clouds we need before the heat of summer. Nice cumulus overhead currently: 69F

 

An active monsoon would be fun

 

NWS_Las Vegas 

[Anti Marine Layer]

Last year had almost no monsoon. With the troughy pattern of the past winter and spring, a strong monsoon is less likely.

[Anti Marine Layer]

As of now, Lancaster has marine layer clouds while many coastal areas have cleared out. Reverse clearing at its best.

[richard mann]

(.. cross-reference.)
 
http://theweatherforums.com/index.php/topic/1546-spring-2017-colder-air-mass-movement-and-distribution-projections/?p=242230

[Guest happ]

(.. cross-reference.)

 

http://theweatherforums.com/index.php/topic/1546-spring-2017-colder-air-mass-movement-and-distribution-projections/?p=242230

 

Richard, radar has been showing lots of activity in your part of the state this afternoon; probably quieting down now.

[Anti Marine Layer]

Not much of a marine layer left this morning and whatever clouds remain are not in the usual places.

[DareDuck]

Not much of a marine layer left this morning and whatever clouds remain are not in the usual places.

Good. I was sick of the clouds lasting until mid-late afternoon.

[Anti Marine Layer]

Good. I was sick of the clouds lasting until mid-late afternoon.

It shows you are in Oregon. I am in Southern California.

 

Looks a lot like a post winter storm day today with the cloud pattern.

[Guest happ]

Photos courtesy of NWS_Sacramento from yesterday's thunderstorms/ snowfall

 

[DareDuck]

It shows you are in Oregon. I am in Southern California.

 

Looks a lot like a post winter storm day today with the cloud pattern.

I'm in Westlake Village right now. I live in Bend, but I grew up here and my parents still live here.

[Guest happ]

Clear but cool day at Santa Monica beach today

 

74/ 56

 

Rick Dickert/ Channel 11

 

[Anti Marine Layer]

There was snow last night in the Sierras from Lake Tahoe down to Mammoth. One article talks about Mammoth here, but I would not exactly consider it Southern California.

 

https://la.curbed.com/2017/6/12/15781448/snow-june-mammoth-tahoe

 

According to another long technical article, there has been marine layer snow in Southern California in June, but not this time.

 

https://docs.lib.noaa.gov/noaa_documents/NWS/NWS_WR/TM_NWS_WR_277.pdf

 

In some cases, the inversion base will lift up to just higher than the mountain resorts near 6000 feet, and cool enough for snow to fall out of mainly marine layer moisture.  This type of scenario has occurred as late as June.

 

I am ready for some summer weather. I know the people living further inland are not.

[Guest happ]

There was snow last night in the Sierras from Lake Tahoe down to Mammoth. One article talks about Mammoth here, but I would not exactly consider it Southern California.

 

https://la.curbed.com/2017/6/12/15781448/snow-june-mammoth-tahoe

 

According to another long technical article, there has been marine layer snow in Southern California in June, but not this time.

 

https://docs.lib.noaa.gov/noaa_documents/NWS/NWS_WR/TM_NWS_WR_277.pdf

 

 

I am ready for some summer weather. I know the people living further inland are not.

 

Thanks for the NOAA link; good reading. 

 

Some are comparing the current model analysis to June 2008 when we had an 8-day heat wave w/ 3 days 100°+

[Guest happ]

I don't like sunrise before 6am. 

 

 

[Anti Marine Layer]

I don't like sunrise before 6am. 

 

Yes, and if that stupid guy gets his way to end DST in California, we will have sunrise before 5 am.  

[Anti Marine Layer]

Looks like June Gloom is gone for a while, although if the inversion gets really strong, which it probably will with the heat, beaches could have trouble clearing later this week. Hopefully none of the post-noon or not-at-all inland clearing though.

 

Only a very few patchy low clouds this morning if you were paying attention.

[Guest happ]

Not much to look forward to for a while but generally by the end of June we start getting higher dewpoints/ afternoon build-ups over the mountains.

 

Tuesday: 82/ 57

[Anti Marine Layer]

Not much to look forward to for a while but generally by the end of June we start getting higher dewpoints/ afternoon build-ups over the mountains.

 

Tuesday: 82/ 57

 

I'm hoping for a more active monsoon season than last year's no-show.

[Anti Marine Layer]

Getting hotter out there, but still nothing too extreme today. Sunny mornings in coastal California in June are about as rare as June snow in the Sierras.

[Guest happ]

NWS_LA is predicting 90's for the next 7 days for my area.  It always seems that a trend of cool anomalies during a month is often undone by heatwaves.

 

88/ 62

[Anti Marine Layer]

While it gets hot here the next 2 days, an atmospheric River is aimed at the Pacific Northwest.

[Dan the Weatherman]

NWS_LA is predicting 90's for the next 7 days for my area.  It always seems that a trend of cool anomalies during a month is often undone by heatwaves.

 

88/ 62

 

If I remember correctly, most of the spring including the first half of June 2006 was quite cool, then the second half of June turned hot, which led to the extremely hot and humid July that featured a good deal of monsoon moisture. There was a thunderstorm at my house here in Orange late that July that brought about 1/3" of rain, with thunder so loud that it set off the car alarm.

[Guest happ]

If I remember correctly, most of the spring including the first half of June 2006 was quite cool, then the second half of June turned hot, which led to the extremely hot and humid July that featured a good deal of monsoon moisture. There was a thunderstorm at my house here in Orange late that July that brought about 1/3" of rain, with thunder so loud that it set off the car alarm.

 

You're referring to the killer summer: How can I forget it? https://en.wikipedia.org/wiki/2006_North_American_heat_wave

[Anti Marine Layer]

Cold area of sea surface temperatures off Baja Coast and north of Pt. Conception while most of Southern California is warmer due to the turn in the coast at Pt. Conception blocking the main influence of the California Current and the lack of upwelling due to Catalina Eddy. Not sure what is causing the colder pocket of water just south of the border.

 

http://www.ospo.noaa.gov/data/sst/contour/californ.cf.gif

[Guest happ]

That is on the Davidson current heading our way, right? 

[Guest happ]

NWS_Phoenix:

 

"Taking a look at the weather pattern during our 10 hottest days
  since 1948 for Phoenix, on average, 500 mb heights were around 
  597 dm and 700/850 mb temps were near 15/31 degrees respectively.
  Therefore, there is absolutely no doubt we will be near all time
  highs with this heat wave, with the hottest and most dangerous
  temperatures expected Monday through Wednesday. These 
  unseasonably hot temperatures will bring moderate to high, and 
  locally very high, heat risk to the region. This type of heat 
  should be taken extremely serious!" 
 

[Anti Marine Layer]

Palm Springs is only 107 now. Been much hotter there before.

[Thunder98]

No wonder Santa Maria is not getting much affected by this heat wave.

 

http://www.ospo.noaa.gov/data/sst/anomaly/2017/anomnight.6.15.2017.gif

 

 

 

 

[Guest happ]

It doesn't seem that SST are cooler than average along SoCal coast [65-70F].

[Thunder98]

Could reach 120F at Lake Havasu City, Arizona on Tuesday and Wednesday. The all time record high for Lake Havasu City, AZ is 128F which occurred on June 29th, 1994.

 

http://www.city-data.com/forum/attachments/weather/186155d1497578024-summer-thread-2017-northern-hemisphere-lakehavasucitywx.png

[Guest happ]

7AM temp already 75F in nearby San Rafael Hills. Summers are getting warmer per Climate Central

 

Thursday: 90/ 63

 

 

[Anti Marine Layer]

7AM temp already 75F in nearby San Rafael Hills. Summers are getting warmer per Climate Central

 

Thursday: 90/ 63

 

In general they are, but not everywhere

 

http://www.sfgate.com/weather/article/Fogust-Coldest-August-in-74-years-for-San-9197715.php

[Guest happ]

It has already exceeded yesterday's max; NWS_LA underestimated forecast. 

 

91°

[Guest happ]

This could be a repeat of last June except slightly cooler heatwave compared to the triple digits: 6/19-20/16 produced 105/ 108°

[Anti Marine Layer]

Summer Solstice is next Tuesday, but sunrise times are already starting to get a few seconds later each day.

[Guest happ]

I can live with this kind of heat so long as it stays under 95°. Dew points are high especially in NorCal. The Central Valley is going to be miserable for days.

 

92/ 66

[Anti Marine Layer]

San Diego reached 83 today, but Fullerton only hit 88. They would normally be in the mid 90s any time San Diego goes over 80 in June.

 

Atmospheric River continues over the Pacific Northwest.