Limiting Mean 500-Millibar Heights* by Month | |||
Month | Table 1* | Table 2* | Table 3* |
January | 5710* | 5750* | 5630* |
February | 5710 | 5740 | 5620 |
March | 5710 | 5740 | 5630 |
April | 5720 | 5760 | 5660 |
May | 5770 | 5800 | 5710 |
June | 5820 | 5850 | 5780 |
July | 5850 | 5880 | 5830 |
August | 5870 | 5880 | 5840 |
September | 5850 | 5870 | 5810 |
October | 5820 | 5850 | 5760 |
November | 5770 | 5810 | 5700 |
December | 5730 | 5780 | 5630 |
* All heights in meters.
Agricultural Burn Meteorological Factors | |||
(Sacramento Valley Air Basin) | |||
Table 4 A.M. STABILITY | Table 5 WIND SPEED | ||
°F | M.F. | MPH | M.F. |
>= 17 | 0.0 | 0 to 2 | 0.0 |
15 or 16 | 0.1 | 3 | 0.1 |
13 or 14 | 0.2 | 4 | 0.2 |
11 or 12 | 0.3 | 5 | 0.3 |
9 or 10 | 0.4 | 6 | 0.4 |
7 or 8 | 0.5 | 7 | 0.5 |
5 or 6 | 0.6 | 8 | 0.6 |
3 or 4 | 0.7 | 9 | 0.7 |
1 or 2 | 0.8 | 10 | 0.8 |
0 or (-1) | 0.9 | 11 | 0.9 |
[LESS THAN EQUAL TO] (-2) | 1.0 | >= 12 | 1.0 |
The basinwide meteorological factor (B.M.F.) is equal to the arithmetic mean of the meteorological factors (M.F.) from Tables 4 and 5.
A.M. Stability: 3,000-foot temperature (a.m.) (°F) minus surface minimum temperature (°F).
Wind Speed: Surface to 3,000 feet average wind speed (mph).
Cal. Code Regs. Tit. 17, § 80320
2. Amendment filed 3-14-2001; operative 3-14-2001 pursuant to Government Code section 11343.4 (Register 2001, No. 11).
Note: Authority cited: Sections 39600, 39601, 41856 and 41859, Health and Safety Code. Reference: Sections 41855, 41856, 41857 and 41859, Health and Safety Code.
2. Amendment filed 3-14-2001; operative 3-14-2001 pursuant to Government Code section 11343.4 (Register 2001, No. 11).