User:Anthony.Sebastian/SebastianSandbox5
Jump to navigation
Jump to search
Table 2: Meteorological conditions that define the Pasquill stability classes
Study this code for tables
| Surface windspeed | Daytime incoming solar radiation | Nighttime cloud cover | |||||
|---|---|---|---|---|---|---|---|
| m/s | mi/h | Strong | Moderate | Slight | > 50% | < 50% | |
| < 2 | < 5 | A | A – B | B | E | F | |
| 2 – 3 | 5 – 7 | A – B | B | C | E | F | |
| 3 – 5 | 7 – 11 | B | B – C | C | D | E | |
| 5 – 6 | 11 – 13 | C | C – D | D | D | D | |
| > 6 | > 13 | C | D | D | D | D | |
| Note: Class D applies to heavily overcast skies, at any windspeed day or night | |||||||
Historical stability class data, known as the Stabilty Array (STAR) data, for sites within the United States can be purchased from the National Climatic Data Center (NCDC) which is part of the National Oceanic and Atmospheric Administration.[1]
xxx