On Nov 18, 2007 12:10 PM, Robert Bruce Evans <b-evans@earthlink.net> wrote:
> Well, the long range forecasts (and Jim would understand them better than
most) predict that the Santa Ana (or more properly, Santana from the Spanish
vientos de Satan ("winds of Satan") winds will return in the week after
Thanksgiving.
A Santa Ana wind is actually a pretty easy forecast to make... Just
about anyone can do it with a moderate degree of success.
Go to:
<http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/18/fpc.shtml>
The maps in the first column include MSLP (Mean Sea Level Pressure)
forecasts for the next 16 days. Click on a time and you get a 4 panel
chart. The lower left panel is the one you want. It has MSL Pressure
forecasts on it. In short, look for a reasonably strong high pressure
cell somewhere east of Reno, NV with lots of black lines packed
together just south of the "H". These lines are "isobars" (constant
pressure). The closer together they are, the stronger the wind. Of
course, the wind flows clockwise around a high pressure system so with
a high somewhere just east of Reno, the wind will blow downslope out
of the mountains and off into the Pacific - Santa Ana wind!
I know... Way more than you wanted to know..... ;-)
--
Cheers!!
Jim - 68 Midget in Dodge City
Don't miss "50 Years of Spridgets" at Lake of the Ozarks, June 26-29, 2008!!
For info and registration... <http://www.Sprite-MidgetClub.org>
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