|Date: 22-Dec-14||Local Time: 07:24 AM||Meteorologist: Branz|
|Ag Burn Decision Above 3000 ft: No Burn Day|
|A.M. Stability (°F) = 1||Wind Speed (mph)||=||8|
|500 millibar height (decameters) = 581||Average Rainfall (in)||=||0.03|
|Meteorological (MET) Factor||=||0.7|
|Air Quality (AQ) Factor (Basinwide 00-06 PST Average PM2.5)||=||8.3|
|ARB REVISED Basinwide Allocation||_________________________________________||=||2000|
|Tehama||9||3||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%)
|*** Wet Day ***
High pressure will strengthen over the region today as winds turn northerly. Expect dry and mild conditions today after patchy morning fog burns off. The Wet Day declaration continues due to rainfall from the past few days. Dispersion should not be as favorable today as the past few days with the building ridge in place.
24 Hour + Outlook
*** Wet Day ***
The strong ridge will remain over the North State through at least Tuesday. Northerly winds will continue, although they will be more light and variable for Tuesday. Expect dense fog, strong inversions, and poor dispersion beneath this ridge. An inside-slider type system will brush the area on Wednesday, bringing a chance of precip to the northern half of the Valley and the higher terrain. This quick-moving system should be east of the area by Christmas Day.
|Mixing Height Discussion:|
|Valley: Mixing heights will reach 1000-1500 feet after morning fog and low clouds burn off.
|Valley: North to northwesterly 7-11 mph.
Delta: North to northwesterly 8-12 mph.