Currently in Los Angeles — October 3, 2023: Some cool mornings

Plus, El Niño continues to accelerate global temperatures.

The weather, currently.

Some cool mornings

Some cool mornings these days. Early Monday morning, I turned on the heat for the first time since April. And the Inland Empire saw temps in the lower 50s to upper 40s. From here, though, temperatures will continue to rise each day, with lows and highs getting back up to normal and then rising above norms by Wednesday.

On Tuesday downtown L.A. will be in the low 80s. Later in the week we may see a weak to moderate Santa Ana wind event. What I enjoy about these events is how much they bump up temperatures along the coast, pulverizing the marine layer. Santa Monica beach for instance should finally hit 80 for several consecutive days the first time since early Sept. Gotta love fall in Los Angeles.

What you need to know, currently.

New data show that the last week of September was the most anomalously warm week in history. That’s not so surprising given that we’re going into what looks like a very strong El Niño — the tropical Pacific warmth that defines these linked ocean-atmosphere patterns typically starts spreading worldwide during the last four months of the year.

Here’s more, from CarbonBrief:

Global surface temperatures set a new record this week for the highest daily temperature anomalies (departure from the norm) ever observed. They were recorded by a Japanese climate database called the JRA-55 reanalysis product. These were approximately 1C warmer than the 1991-2020 baseline period used by the dataset and around 1.9C warmer than the pre-industrial (1850-1900) temperatures.

As Currently reported last week, these data add to the increasing likelihood that we may already be living in the first 12-month period that’s 1.5°C warmer than pre-industrial levels, and that a few upcoming weeks may top 2°C for the first time ever.

What you can do, currently.

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