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2022-2023 California and Southwest Weather Thread


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Temperature was 104F just after noon here but that didn't last long. Only 97F for a while now, lots of clouds overhead however. Low this morning was 80F here, officially the warmest low I've ever recorded at my weather station since installing it in 2014.

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52 minutes ago, Pn1ct0g3n said:

Lake Forest got rain at some point in all this. Yesterday? Hope MML was near his phone to capture it.

I was in Irvine during this time.  Some lightning and a little rain.  Dissolved really quickly once the energy went west of the Santa Ana Mountains.  No more lift mechanism.

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Hit 112*F here.

From SGX regarding Kay:


For Friday into the weekend...Tropical Storm Kay may come close 
enough to begin influencing the weather over SoCal. The official NHC 
track has the weakened center 240 miles SSW of San Diego Saturday 
morning 12Z. The track remains uncertain though. Latest trends show 
the massive high over the interior U.S. slowing forward progress and 
turning Kay more westerly along 30N Latitude before stalling over 
the Pacific. GFS/ECMWF ensemble solutions do show an impressive PW 
surge here over the weekend. Many solutions are over two inches! 
Even without deep convection, the easterly gradient flow into the 
mountains should be sufficient for orographic rain with a few 
embedded thunderstorms. If/when we get enough sun, maybe Sun/Mon, 
count on thunderstorm activity to be prolific over the mountains. 
Significant POPS are in the forecast for us beginning Friday night. 
Ahead of the moisture surge though, could be another surge of heat. 
The ensemble solutions from both the GFS/ECMWF models are 
overwhelmingly hot through Friday, likely enhanced by the approach 
of Kay and increasing offshore gradient downsloping off the 
mountains. Because of this, the Excessive Heat Warning has been 
extended through Friday for the coastal basin.

Looking beyond the coming weekend...There is some weak troughing and 
moisture lingering through early next week. This will likely keep 
the threat of showers and thunderstorms in the forecast, especially 
over the mountains through Tuesday. That will be followed by a drier 
SW flow aloft, a deep marine layer, and cooler, but still fairly 
humid weather.


Formerly *ahem*: LNK_Weather, TOL_Weather, FAR_Weather, MSP_Weather, IMoveALot_Weather.

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1 hour ago, Reg said:

Wildfire near Hemet has been blowing smoke over us for a couple of hours now. Looks like it's about to blow over Orange County as well.

Thought I smelled smoke from my room (which has a window AC) but I couldn't tell where it was coming from. Now I know!

Formerly *ahem*: LNK_Weather, TOL_Weather, FAR_Weather, MSP_Weather, IMoveALot_Weather.

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13 minutes ago, Pn1ct0g3n said:

Today is the temporary reprieve as the eddy spins up, and it’s supposed to get real hot again tomorrow. 

Even that may not help much with the high dewpoints. I remember a time in 2006 when the marine layer deepened into the coastal slopes but dewpoints remained in the low 70s with overnight lows in the mid 70s and daytime highs in the upper 80s.

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