|Date: 28-Aug-15||Local Time: 07:44 AM||Meteorologist: Gerber|
|Ag Burn Decision Above 3000 ft: Marginal Burn Day|
|A.M. Stability (°F) = 16||Wind Speed (mph)||=||10|
|500 millibar height (decameters) = 585||Average Rainfall (in)||=||0.00|
|Meteorological (MET) Factor||=||0.45|
|Air Quality (AQ) Factor (Basinwide 00-06 PST Average PM2.5)||=||6.7|
|ARB REVISED Basinwide Allocation||_________________________________________||=||2000|
|Tehama||9||11||1|| 200 acres
|When any district's 0-6 am average PM2.5 is >= 27 ug/m
increasing concentrations will result in a reduction
in allocation acres (e.g. 27-28 : 20%, 29-30 : 40%, 31-32 : 60%, 33-34 : 80%)
|***Permissive Burn Day ***
Increasing clouds and S/SW flow this afternoon as a EPAC trough nudges closer to the coast. A few sprinkles along the extreme NW corner of the valley/foothills today but otherwise dry and still hot the further North of the Delta you are. More noticeable cooling in the extreme South Valley due to increasing onshore flow.
***Permissive Burn Day***
The main front associated with our incoming low will swing through early Saturday morning with some light shower potential in the extreme North and West sides of the valley. Otherwise the clouds and onshore flow will help to drop temps for the weekend some 10-15 degrees from this past week. Dispersion and air quality look good through most of the upcoming week as SW flow remains which will also keep area temps some 15 degrees cooler then average.
|Mixing Height Discussion:|
|Valley: Mixing heights will reach above 2,500 feet by early afternoon
|Valley:L/V early today, turning S/SW 5-15 mph into afternoon.
Delta: SW 10-15 mph .