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Jan, Certified Consulting Meteorologist with Golden Gate Weather Services, often is an expert witness in weather related litigation. He’s an Adjunct Professor of Meteorology at San Francisco State University and former National Weather Service Lead Forecaster.

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SF Weather Examiner's Articles

Showing: forecast articles

First big storm of the season due Tuesday

For the past week meteorologists have been watching forecast charts for next Tuesday that have consistently been saying "rain is on the...
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El Nino…realities and myths

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The National Oceanic and Atmospheric Administration (NOAA) recently issued an El Nino Watch about the possible return of El Niño later this...
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May showers instead of May flowers

The new month will start off with a definitively un-Springlike feel to it, as a series of weather systems brings several days of rain and showers....
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What a difference a few days can make

Bay Area temperatures plummeted like the Dow Jones for the 4th consecutive day after record setting maxima on...
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Springtime smorgasbord of weather

Like ordering from a multi-ethnic buffet, this week’s weather will be a little bit of everything with our plate ultimately full of the following...
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Weekend warm-up on the way…hayfever already here

This morning’s low clouds dotted over the Bay Area landscape will likely be the last clouds for the next week or so as high pressure begins to...
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From kite-flying to sunbathing weather

The next seven days weather will be ones of change. Today will be a breezy and in some places downright windy, with mild temperatures, but by the...
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Meteorological sleight of hand

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Like a high stakes (and rigged) poker game, it would appear that NBC11 (KNTV) is dealing from the bottom of their weather deck. Despite the...
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A sunny Sunday and fair weather week

Early morning low clouds have dissipated across the San Francisco Bay Area and the region is in store of a mild sunny Spring Sunday with temperatures...
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Wimpy rain so far, but more tonight

Bands of clouds streaming over the Bay Area have not been very productive in terms of rain-making through the course of the day. Rainfall totals have...
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