It’s cold and cottony, sails over the city like the gloomy mist preceding a ghost invasion, and even has a name, “Now locals and anyone worldwide can check in on Karl’s current condition thanks to There’s also a practical side to Fog Today. SYNOP codes from weather stations and buoys.

Bask in the sublime beauty of “Karl,” the city’s chilly miasma, with these always-updated satellite images. The Chronicle’s Fog Tracker tool allows you to watch clouds and fog float into San Francisco and across the Bay Area in near-real time.

Find local businesses, view maps and get driving directions in Google Maps. But it wet-fogs quite a bit. A one-stop map that would let her know where the fog banks are, where transit is, and where she could find a Trader Joe’s. 1 of 3 FOG COMES INTO THE CITY OVER TWIN PEAKS AND SUTRO TOWER Chris Hardy/The Chronicle 2 of 3 George Mayer lives along the Great Highway which is the foggiest spot in San Francisco… San Francisco doesn’t follow typical city patterns, with desirable neighborhoods close to the central business district followed by cheaper and perhaps more crime-ridden neighborhoods a subway or bus ride away. METAR, TAF and NOTAMs for any airport in the World. Weather radar, wind and waves forecast for kiters, surfers, paragliders, pilots, sailors and anyone else. Landsat image of May 22, 1991 shows the marine stratus and stratocumulus cloud layer that moved into the San Francisco Bay-Delta and Monterey Bay. Worldwide animated weather map, with easy to use layers and precise spot forecast. The summertime miasma—“Summer weather forecasts for the Bay Area are sometimes not very useful, because everything depends on the fog,” says Williams. “And I saw an opportunity to make this easier for other people.”“I think it can be too easy to forget that a lot of the things we take for granted, including accurate weather forecasts, are a result of government investment in technology and its maintenance,” he says.

Forecast models ECMWF, GFS, NAM and NEMS

This app works best with JavaScript enabled. Several cloud patterns can be seen in this image: the eddy-like spiral to the west of the Golden Gate, the darker linear cloud feature that parallels the coast down to Monterey Bay, and fog funneling from Monterey Bay inland. Bask in the sublime beauty of “Karl,” the city’s chilly miasma, with these always-updated satellite images. “I wanted to remind people of that and also raise awareness of the politicization of these useful, and economically valuable, satellite systems.” Ever wondered where the San Francisco fog line is? Open Lab Fellow at BuzzFeed who lives in east San Francisco, built the site partially out of love for West Coast weather. His tactic is to use public-access websites like NOAA’s to keep an eye-in-the-sky view, because “fog dictates so much of the Bay Area's weather, and it was so easy to see,” he says.

Now you can tell in realtime, with Fog Today, a project by Logan Williams.Fog Today uses data from NOAA's high resolution GOES-16 satellite provided by the University of Wisconsin-Madison Space Science and Engineering Center's Real Earth project.. New: Look at historical patterns with Fogust! There’s no fog imagery after the sun goes down — check back bright and early for new images. It hardly ever rains in San Francisco.

There’s no fog imagery after the sun goes down — check back bright and early for new images.On SFChronicle.com, we don’t just track disasters – though (hint, hint) you can see the latest In an effort to remove some of the (cough, cough) fogginess around how we got this data, here’s a brief summation.The data for the Fog Tracker images comes from the National Oceanic and Atmospheric Administration’s GOES-17 satellite and includes visible clouds and fog formations, as well as visibility conditions in San Francisco.Stop us if you’ve heard this one: GOES satellite data managed by the NOAA is available for free for use through You may be drenched by a downpour that the natives assure you is merely "a wet fog." this map shows fog data by neighborhood in the city of San Francisco using a color scale