Meteorological Factors in the Sundance Fire RunIntermountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1973 - Fire weather - 46 pages |
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Page 13
... mixing ratio ) tendencies from the above data sources , as shown in figures 15 and 16. The Lunch Peak data , however , were not used here ; the observed temperature behavior there showed a discrepancy with that at the above stations and ...
... mixing ratio ) tendencies from the above data sources , as shown in figures 15 and 16. The Lunch Peak data , however , were not used here ; the observed temperature behavior there showed a discrepancy with that at the above stations and ...
Page 15
... MIXING RATIO ( g./kg . ) 8.0 7.0 60 6.0 5.0 • xxx.x xxx xxx xx 4.0 X BIG SPOT O GISBORNE MTN . • SPOKANE SPOKANE ... Mixing ratios ( g./kg . ) , computed from dewpoints and equivalent pressure altitudes of stations , at Spokane ( surface ...
... MIXING RATIO ( g./kg . ) 8.0 7.0 60 6.0 5.0 • xxx.x xxx xxx xx 4.0 X BIG SPOT O GISBORNE MTN . • SPOKANE SPOKANE ... Mixing ratios ( g./kg . ) , computed from dewpoints and equivalent pressure altitudes of stations , at Spokane ( surface ...
Page 16
... mixing ratio to 7.0 g./kg . would have served to raise the relative humidity at 5,000 ft . to only 40 percent . Mixing ratio values of approximately 7.0 g./kg . may also be seen on the preceding dates in figure 16. These values occurred ...
... mixing ratio to 7.0 g./kg . would have served to raise the relative humidity at 5,000 ft . to only 40 percent . Mixing ratio values of approximately 7.0 g./kg . may also be seen on the preceding dates in figure 16. These values occurred ...
Page 20
... mixing ratio at Spokane and corresponding temperatures and mixing ratios observed at fire - weather stations within a 50 - mile radius of the Sundance Fire , 1600 P. d . t . Figures alongside points are mixing ratios . X MOUNTAINTOP ...
... mixing ratio at Spokane and corresponding temperatures and mixing ratios observed at fire - weather stations within a 50 - mile radius of the Sundance Fire , 1600 P. d . t . Figures alongside points are mixing ratios . X MOUNTAINTOP ...
Page 21
... mixing ratio ( g./kg . ) . Top portion ( A ) shows profiles for September 1 , 1700 P.d.t. , and for preceding observation times ; lower portion ( B ) shows profiles for September 1 , 1700 P.d.t. , and succeeding observation times . 83 x ...
... mixing ratio ( g./kg . ) . Top portion ( A ) shows profiles for September 1 , 1700 P.d.t. , and for preceding observation times ; lower portion ( B ) shows profiles for September 1 , 1700 P.d.t. , and succeeding observation times . 83 x ...
Common terms and phrases
40 knots advection airflow airmass atmosphere August 31 Big Spot Bonners Ferry burning cold front computed convection column cooler cross section dashed lines dewpoint dry adiabatic east eastward elevations Figure fire behavior fire front Forest Fire Laboratory free-atmosphere wind frontal zone frontal-zone subsidence GISBORNE gradient windspeed graph gusts Hanford height contours humidity at 5,000 Idaho panhandle increase isentropes isotachs jetstream Kalispell lapse rate longitude lower levels lower-tropospheric maximum Meteorological Missoula mixing ratio Montana motion Northern Forest Fire northern Idaho occurred P.d.t. SEPT P.d.t. September Pacific Pack River percent plotted potential temperature pressure gradient Quillayute radiosonde reached relative humidity September 1-2 southwest Southwesterly winds Spokane surface statute miles Sundance area Sundance Fire area Sundance Fire run Sundance Fire vicinity Surface Weather Maps surface winds tens of meters terrain troposphere upper trough vertical velocity Washington Weather Service wind profile wind speeds าง