2010: An ‘unusual’ year

Weather watchers have been waiting for climatologists, particularly Bill Patzert of the Jet Propulsion Laboratory, to eat crow. Since late summer, equatorial Pacific currents have led climatologists to believe that a record La Niña weather pattern will aggravate drought in the American Southwest. Patzert led the pack with warnings. Then rain across Southern California was early and steadily mounted, with December preliminary totals so heavy that Patzert is quoted in the Los Angeles Times tonight saying, “I think we’re going to crush the record for December.”

Whether one receives this as good news, or merely weird news, depends on how one takes a year that, as the Times report sketches, has bucked every notionally normal trend in Southern California. Traditionally hot summer months have been cool, a normally cooling autumnal stretch produced record heat, treacherous Santa Ana winds have been decorous and now what experts agreed would be a dry

A shortcut around damp writing

Rain is good for most things in Southern California, except the news, where it wreaks havoc with language. For those who simply want to find out how much rain fell without being subjected to a feverish boob’s deployment of “lash,” “dump,” “slam” etc, a link to the Los Angeles/Oxnard online weather data page. According to this, as of yesterday, downtown Los Angeles has received 4.61 inches of rain in December alone, 4.29 of it in the last four days. This is a lot, roughly a quarter of what a good rain year might give us in 12 months. More is expected today and in the coming week. To check your forecast, click here.

This drenching, known among weathermen as the “Pineapple Express” because of the tropical system enticed into our Mediterranean climate zone, is rare, but not as rare as tomorrow’s lunar eclipse coinciding with winter solstice. Click here

The weatherman’s sure

December 18, 2010 National Weather Service icons for Altadena sum up forecasts for heavy rains across Greater Los Angeles and Southern California this weekend. Click on the image to be taken to the National Weather Service and latest flood advisories.

Heat wave

The National Weather Service on Sunday issued a heat advisory for Southern California lasting through Thursday. During the peak of it, valleys could range from 98-108 degrees F, lower mountains 96-107, Antelope Valley 102-110 and the inland coastal plain 90-98.

Rain likely

Click here for your forecast. Graphic: South Australia Water.

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