|Date: 15-Jul-18||Local Time: 06:41 AM||Meteorologist: Gerber|
|Ag Burn Decision Above 3000 ft: No Burn Day|
|A.M. Stability (°F) = 20||Wind Speed (mph)||=||7|
|500 millibar height (decameters) = 590||Average Rainfall (in)||=||0.00|
|Meteorological (MET) Factor||=||0.25|
|Air Quality (AQ) Factor (Basinwide 00-06 PST Average PM2.5)||=||6.3|
|ARB REVISED Basinwide Allocation||_________________________________________||=||2000|
|Tehama||10||12||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***
Little change today as high pressure remains anchored over the state with a weak shortwave passing through the CA/OR border. Both of these systems helped to draw in a decent delta flow allowing the southern valley this morning to cool off near 60. The Stoney Fire near Chico is at 956 acres with 65% containment as of Saturday nigh, so some local smoke impacts are possible from that fire. Overall...the previous message holds true for today...poor dispersion and burning is discouraged.
***Permissive Burn Day ***
High pressure will strengthen further as we go into the upcoming week. Little change is expected with temps over 100 and poor dispersion expected.
|Mixing Height Discussion:|
|Valley: Mixing heights will reach 2000-2500 feet by afternoon.
|North Valley: L/V 2-4 mph becoming S/SE 10-15 mph by afternoon.
South Valley: L/V 2-4 mph becoming S/SW 10-15 mph by afternoon.
Delta: W to SW 10-20 mph.