David in SW Blount
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- 300
I see Yorba Linda hitting a homer with 89. That was the first place I lived (until almost age 5). No wonder I like warm weather!
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Weather Banter
- Thread starter Lori
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Anti Marine Layer
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- 565
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- Lake Forest, CA
The marine layer has made a return this morning. Heat wave is over.
Anti Marine Layer
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- 565
- Location
- Lake Forest, CA
Hazy day today with stratus clouds hugging the coast and some areas of smoke.
Thunder98
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- 80
- Location
- Orcutt, CA
High was only 63F today, 18F cooler than the high of 81F yesterday!
Anti Marine Layer
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- 565
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- Lake Forest, CA
It got cloudy quickly last night after the sun went down and this morning the gunk has covered much of the Inland Empire.
Anti Marine Layer
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- 565
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- Lake Forest, CA
It's a classic day of Graypril today. Looks like it may burn off soon. That's always a big if, however.
Then a cold storm moves in a few days before Easter Sunday to keep Jesse's curse going.
Then a cold storm moves in a few days before Easter Sunday to keep Jesse's curse going.
Anti Marine Layer
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- 565
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- Lake Forest, CA
The presence of the eddy off the coast is quite obvious today.
Anti Marine Layer
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- 565
- Location
- Lake Forest, CA
Things actually cleared better at the beaches today, but it took a long time to burn off inland. It has already pushed back in now though.
Anti Marine Layer
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- 565
- Location
- Lake Forest, CA
There was a big earthquake this morning and my phone started screeching.
Anti Marine Layer
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- 565
- Location
- Lake Forest, CA
Earthquake was magnitude 5.2 and it was near Julian.
Low clouds cleared out earlier this morning, but there's lots of high clouds now and it's also quite breezy.
Low clouds cleared out earlier this morning, but there's lots of high clouds now and it's also quite breezy.
- Messages
- 2,583
- Location
- Corvallis, Oregon
Once again the FD helped me learn something. I have noticed recently, outside my window and also in the forecast, that north winds start during the day and then taper off at night, which is not usual here.
Per the forecast discussion, we have a Rex block set up, and I read about the basics of that (high pressure system north of closed low pressure system).
The AI told me this in a search (emphasis added):
"During a Rex block, the wind direction can be altered due to the high and low pressure systems involved. The high pressure system, located north of the low pressure system, creates a clockwise wind circulation, while the low pressure system creates a counterclockwise wind circulation. This can result in winds blowing from the north-northeast between the two pressure centers, especially in areas where the high pressure is located."
That's us - we're in the high pressure part (and basking in the unusually warm temps and sunny days).
Thanks, NWS!
Per the forecast discussion, we have a Rex block set up, and I read about the basics of that (high pressure system north of closed low pressure system).
The AI told me this in a search (emphasis added):
"During a Rex block, the wind direction can be altered due to the high and low pressure systems involved. The high pressure system, located north of the low pressure system, creates a clockwise wind circulation, while the low pressure system creates a counterclockwise wind circulation. This can result in winds blowing from the north-northeast between the two pressure centers, especially in areas where the high pressure is located."
That's us - we're in the high pressure part (and basking in the unusually warm temps and sunny days).
Thanks, NWS!
Anti Marine Layer
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- 565
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- Lake Forest, CA
Hopefully we can get the gloomy and damp weather back to Seattle and Portland where it belongs soon.
Thunder98
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- 80
- Location
- Orcutt, CA
While checking the SPC's Convective Outlooks, I noticed that on today's Thunderstorm Outlook map, the 00-04Z map had its 40% probability contour be drawn over the Southern Plains in a rather...suggestive...manner:
(Just found that funny enough to share, LOL.
)
(Just found that funny enough to share, LOL.
)Ozonelayer
Member
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- 507
- Location
- Pennsylvania
Why did I find this funny-
- Messages
- 2,583
- Location
- Corvallis, Oregon
Suppose this could go in the volcano thread, but it is atmospheric: an image from STS-43 on August 8, 1991, that I've been looking for for a while.
Dr. Clive Oppenheimer used it in his book Eruptions That Shook The World, and described it as a double layer of sulfate aerosol that formed in the stratosphere after the climactic eruption of Mount Pinatubo on June 15, 1991, sent an estimated 18 megatonnes of sulfur sky-high, which then reacted with water to form LOTS of tiny sulfuric acid droplets that didn't totally disappear for about three years.
The irregular dark clouds are tops of big thunderstorms -- not sure where, possibly Africa.
Lots of satellite, high-altitude flight, and ground-based data on that eruption.
Per Oppenheimer, by August 1991 the planet's albedo had increased about 5% from aerosol reflecting (it also warms up the stratosphere by absorbing IR from Earth), and for two years Pinatubo's negative climate forcing exceeded positive forcing from manmade greenhouse gases.
The general pattern from an aerosol layer like that is summer cooling and winter warming. The global average cooling was 0.5° C, but regions of increased warming or cooling occurred. Siberia's winter was about 5° C warmer, and the North Atlantic 5° C cooler.
All this according to Dr. Oppenheimer, who also notes a significant drop in rainfall over land but with strong regional patterns, including one of the coldest, wettest summers of the 20th century for the US in 1992 and drought in central/southwestern Europe and much of sub-Saharan Africa.
Dr. Clive Oppenheimer used it in his book Eruptions That Shook The World, and described it as a double layer of sulfate aerosol that formed in the stratosphere after the climactic eruption of Mount Pinatubo on June 15, 1991, sent an estimated 18 megatonnes of sulfur sky-high, which then reacted with water to form LOTS of tiny sulfuric acid droplets that didn't totally disappear for about three years.
The irregular dark clouds are tops of big thunderstorms -- not sure where, possibly Africa.
Lots of satellite, high-altitude flight, and ground-based data on that eruption.
Per Oppenheimer, by August 1991 the planet's albedo had increased about 5% from aerosol reflecting (it also warms up the stratosphere by absorbing IR from Earth), and for two years Pinatubo's negative climate forcing exceeded positive forcing from manmade greenhouse gases.
The general pattern from an aerosol layer like that is summer cooling and winter warming. The global average cooling was 0.5° C, but regions of increased warming or cooling occurred. Siberia's winter was about 5° C warmer, and the North Atlantic 5° C cooler.
All this according to Dr. Oppenheimer, who also notes a significant drop in rainfall over land but with strong regional patterns, including one of the coldest, wettest summers of the 20th century for the US in 1992 and drought in central/southwestern Europe and much of sub-Saharan Africa.
Austin Dawg
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- 1,013
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- Leander, Texas
I know we usually talk about severe weather here, but unbelievably we're moving in a summer very fast. 
It’s only MAY! I live in central Virginia and we nearly hit 90 on APRIL 3RD! We hit 87 that day and then we hit 87 again at the end of April (April 30th). Something tells me this is going to be our average summer.
Temperature is in F