Talk:San Francisco Bay Area

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RE: Metropolitan Region[edit]

I respectfully but vehimently disagree. I have researched the subject thoroughly. Even the OMB and U.S. Census Bureau have conflicting definitions or descriptions of what define Metropolitian areas (or how they each define them). Any (large) area of continuous/congruent/uninterupted population is a metropolitan area. A "Greater" area, is just a larger metropolitan area. Forget about the Census Bureau or OMB definitions for a moment. Research the definition in encyclopedias and historical and cultural accounts and you will get a better understanding on the issue.

The San Francisco Bay area is most definitely a "metropolitan area" as much as and until there is a large enough break in population (geographically), between popululation centers (ie. the Sacramento CSA for example), or to it's rural limits. Whatever the intent, defining smaller metropolitan areas within a larger metropolitan area (or CSA if we use the government's definition) is extremely difficult and utilizes seriously flawed methods to quantify or define smaller populated areas (MSAs) within a larger populated area (CSA). The factors they choose to include and exclude when defining a "MSA", are ill-conceived at best. Some are very logical and some completely illogical.

Take for example the San Francisco-Oakland-Fremont, MSA; Fremont is much closer to San Jose and has more historical and economic ties to San Jose and Silicon Valley, than Oakland. If they were going to do it that way, then San Francisco should be it's own MSA as (it is it's own county), and Fremont to Rodeo including all of the East Bay area (including Oakland) west of the Diablo Range it's own metropolitan area. The Peninsula, -it's own metropolitan area. All the cities east of the Diablo range from livermore to Antioch, it's own metropolitan area (Contra Costa), etcetera. Fremont is in Alameda county and part of the East Bay. It has minimal relation to San Francisco by any quantification, except by tying Oakland (and therefore Alameda County) to San Francisco. I'm assuming they did that because historically some of the commuting population of southern Alameda County including Fremont, work in San Francisco.

Then the OMB/Census Bureau, when calculating what should be considered the CSA, included Santa Cruz and San Benito Counties even though the latter two counties don't touch the Bay itself. Illogical? Not at all, because no one said that the CSA had to include only counties that touch the bay. They look at much more data than simple geographic data. San Benito and Santa Cruz County are historically, economically, and culturally tied to the South Bay so much so that they took that into consideration when creating the CSA definition. You might only know that though if you grew up here or lived here for your entire life. Many residents of those counties work in San Jose and Silicon Valley and commute there as well. The only question then is, why didn't they include Monterey county? OR, if you're going to include Santa Cruz and San Benito counties in the SFBAY CSA, then you could just as easily exclude them from the SFBAY CSA, and include them (as) in the classic defintion of the "Monterey Bay Area", of which Santa Cruz County is definitely a part of. So you would have Santa Cruz County, Monterey County, and San Benito County as a Metropolitian Statistical Area (or at least the first two). The Salinas MSA, is basically defined as Monterey County (or vice versa). The San Francisco MSA should be defined the same way, or could even be defined as San Francisco and the Peninsula (or SF and the northern half of the Peninsula, or SF and all the Peninsula) considering they are connected by land and economically, historically, culturally, commuters etc. Of Course Silicon Valley by definition is not only the Santa Clara Valley, but includes much or most of the Peninsula, and also Milpitas and Fremont etc. There are many high-tech companies in Fremont that spread out as an extention of the Valley when land in the valley became scarce and too more expensive.

Combining San Francisco and Oakland from some perspectives makes minimal sense. It is understandable though, for the same reason it's understandable why they included Santa Cruz County and San Benito County in the CSA; but Fremont as part of the SF MSA? I'm sorry for rambling, but a couple of years ago I looked in detail at data compiled by the OMB and the Census Bureau (for days), and was throughly confused. That still hasn't changed. So I'm not trying to be contentious. I'm simply engaging in discussion and debate (though be it by myself at this point :) I hope my diatribe was somewhat interesting and engaging and not boring. Peace. -John Jcheckler (talk) 15:53, 9 November 2012 (UTC)

Something wrong with the listed population[edit]

The link from "Ranked 6th in the U.S." (to actually goes to a table containing the MSA listed as 11th. Not sure if this article is supposed to be about the MSA or the CSA or neither, but it should probably either link to the correct table, or state the correct position.

Ahailes (talk) 18:26, 8 April 2013 (UTC)

The ranking is unsourced, so I say delete it until someone provides a source. On a related note, does anyone know where I can find the list of counties included in the MSA? —Stepheng3 (talk) 23:57, 8 April 2013 (UTC)

Nine Counties or Twelve Counties? Both sources only list 9 Bay Area Counties...[edit]

Not sure why the Wikipedia page lists 12 Bay Area Counties. Both sources, ABAG and, only have 9 Bay Area counties listed. The following three are not considered Bay Area Counties:

San Benito Santa Cruz San Joaquin

If these are Bay Area counties than they should be cited by a reliable source. This is a pretty egregious error that has no support in the sources. It makes the whole San Francisco Bay Area page page seem uncredible.Ktmackish (talk) 00:18, 12 November 2013 (UTC)ktmackish

Yes check.svg Done. Thanks for pointing out the problem. I have rolled back the article to its correct nine-county version. On October 26, someone editing from ;Pennsylvania was confused by the two versions; they thought the article was about the federal government version which is 12 counties: San Jose-San Francisco-Oakland, CA Combined Statistical Area. The popular definition is only nine counties. Binksternet (talk) 01:44, 12 November 2013 (UTC)
I agree. Though San Benito, Santa Cruz and San Joaquin counties are adjacent to the San Francisco Bay Area, and accordingly linked to that area, they are not described by reliable sources as a part of the Bay Area. There is an inherent logic to the nine county definition, as those counties actually border the San Francisco Bay. That may be slightly arguable in the case of Napa County, but in truth, the lower Napa River is an estuary of San Francisco Bay. It does not consistently flow downstream, but flows back and forth with tidal changes. And the southwest portions of Napa County are San Francisco Bay wetlands. Cullen328 Let's discuss it 04:19, 12 November 2013 (UTC)


unsourced paragraph. add back as sourced.(Mercurywoodrose)

Because the hills, mountains, and large bodies of water produce such vast geographic diversity within this region, the San Francisco Bay Area offers a significant variety of microclimates. The areas near the Pacific Ocean are generally characterized by relatively small temperature variations during the year, with cool foggy summers and mild rainy winters. Inland areas, especially those separated from the ocean by hills or mountains, have hotter summers and colder overnight temperatures during the winter. San Jose at the south end of the Bay averages fewer than 15 inches (380 mm) of rain annually, while Napa at the north end of the Bay averages over 30 and parts of the Santa Cruz Mountains just a few miles west of San Jose get over 55. In the summer, inland regions can be over 40 degrees Fahrenheit (22 degrees Celsius) warmer than the coast. This large temperature contrast induces a strong pressure gradient, which results in brisk coastal winds which help keep the coastal climate cool and typically foggy during the summer. Additionally, strong winds are produced through gaps in the coastal ranges such as the Golden Gate, the Carquinez Strait, and the Altamont Pass, the latter the site of extensive wind farms. During the fall and winter seasons, when not stormy, a high pressure area is usually present inland, leading to an offshore flow. While negatively impacting air quality, this also clears fog away from the Pacific shore, and so the best weather in San Francisco can usually be found from mid September through mid October. Winter storms are typically wet and mild in temperature during this time of year, being caused by cold fronts sweeping the eastern Pacific and often originating in the Gulf of Alaska. During November into mid March, winter storms are usually several days in length, wet and cool, with severely damaging storms rare. There is also recorded snowfall on San Francisco Bay Area peaks, such as Mount St. Helena, Tamalpais, Diablo and Hamilton. Snow levels range every given year from 1000 feet in Sonoma County to 2,000 ft in Contra Costa, San Mateo, and Santa Clara counties the during the winter. Greater recorded snowfall amounts are generally recorded once every 5 to 10 years. In February 2001, 30 inches (76 cm) of snow fell on Mount Hamilton (4360 ft), 17 inches on Mount Tamalpais (2,574 ft) and 10 inches on Mount Diablo (3,864 ft). Occasionally during the late Summer or early Autumn, spells of warm humid weather will drift over the Bay Area from the Southwest Monsoon, usually bringing high variable clouds as well, and more rarely, high-based thunderstorms.

Sub-region names[edit]

In this edit[1], the "South Bay and Silicon Valley" section was renamed "San Jose and Silicon Valley." I suggest that the sub-region names should be reasonably parallel and should not result in overlapping territory. The other sub-regions are all well-defined, but Silicon Valley is subject to some dispute, has changed over time, and (to many of us) includes portions of at least three of the sub-regions: South Bay, East Bay, and Peninsula. None of the sub-heads included the major city of the sub-region, except for San Francisco, which is our only combined City and County and which has no other reasonable name. I suggest that this section be changed to "South Bay" and that the hatnote be dropped or changed to "For the broader technology hub, see Silicon Valley. The link to a minor section of Santa Clara Valley is not helpful.--Hjal (talk) 04:42, 16 January 2015 (UTC)

Agree 100%. Discophil makes an unsupportable assertion when he states that "San Jose" and "Silicon Valley" are synonymous. Silicon Valley certainly includes Cupertino/Redwood City in the west and Fremont/Milpitas in the east, and a bunch of stuff in between those poles. Binksternet (talk) 05:02, 16 January 2015 (UTC)
He meant that "South Bay" and "Silicon Valley" are synonymous, I think, which some others have supported in the past. I don't agree with that.--Hjal (talk) 05:39, 16 January 2015 (UTC)
Ah, I misunderstood. I still agree that "South Bay" should be the heading. Binksternet (talk) 16:47, 16 January 2015 (UTC)

Images in infobox[edit]

It seems like the images in the infobox are a bit large. Could someone possibly combine them into a collage?--Prisencolinensinainciusol (talk) 10:11, 17 January 2015 (UTC)


no one calls it San Jose-San Francisco-Oakland Bay Area, and that would need a source. an editor has really fucked with this article by doing this. (talk) 15:05, 11 May 2015 (UTC)