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richard583
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Registered: 3/11/2008
Location: Paradise CA
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First significant high, West
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While plenty of "relatively cool air" sweeps southward to moderate broader [greater] areas / regions to its main, both, eastern and western flanks, ....
— generally, outward and "down" from its (main cool air's) main source regions / areas to the north ...
{.. these main cold source areas, beginning - at least by degrees daily, to become more of a factor where considering main cold supply, i.e. with at this point, .. being impacted by and with "areas" of - if (only) gradually, increasing darkness moving over them ..} —
@ Over the past few days .. the first truly significant "bubble" of warmer High Pressure has set up over much of the West.
— (.. Perhaps instead the second or third "only" - this current warmer season, .. if you count the few, "lesser" - substantial highs, having been generated and having impacted the greater Western Region, during June and July.)
Original Image: www.proxigee.com
08_081400z_081523z_nasa_glbir.mov - (5.3MB)
(".mov" files, playable with QuickTime™. May be moved along one frame at a time with clicking on controller's fast forward feature button.)
0808140015z_nasa_glbir.jpg
0808150015z_nasa_glbir.jpg
0808152145z_nasa_glbir.jpg
(image source - http://www.ghcc.msfc.nasa.gov/GOES/globalir.html)
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This with this high, just today, having begun to move more eastward.
(.. i.e. with - more specifically, the general absorption of some significant cooler air which had moved southward, just to the east of the Rockies, previously.)
Original Image: www.proxigee.com
08_081412z_081600z_vis_conus.mov - (20.1MB - Loading time, approx. 3 mins. @ standard DSL.)
080814_1915z_vis_conus.gif
080815_1915z_vis_conus.gif
080815_2245z_vis_conus.gif
(source - http://weather.cod.edu/analysis/satrad.regional.html)
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20080815_2300z_main4km_epac_.gif
Note, .. that even with this area of high pressure having built to the level it has, .. that delivery of still substantially "cool" Pacific ocean current circulation down-along, and just off of the main coast, main NW corner region, .. has in fact been able to "cut" into the greater high .. somewhat, .. if not significantly.
(source - http://www.atmos.washington.edu/~ovens/loops/)
-Rm(richard583)
03:33z - 080816
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MountainManMike
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Location: Durango, CO
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Mood: always tired
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its snowing in colorado right now. |
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richard583
Beginner
Posts: 93
Registered: 3/11/2008
Location: Paradise CA
Member Is Offline
Points: 2460
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(.. followup to main theme. / - graphic only.)
Original Image: www.proxigee.com
08081915_sfc_con_24temp.gif
(image source: Unysis Wx - http://weather.unisys.com/surface/sfc_con_24temp.html)
080819_1915_icao_m.jpg
By comparison, .. 080815_1915_icao_m.jpg
(source: http://aviationweather.gov/obs/sat/intl/)
Area "A" : 080819_1915_icao_a.jpg
080815_1915_icao_a.jpg
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Wx Unysis .. main N. Amer. Temperature contours for 20z, the 15th to today.
08081520_sfc_con_temp_na.gif
08081920_sfc_con_temp_na.gif
-Rm(richard583)
19:32z - 080819
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posted on 8/15/2008 at 22:31
