MAV/MET Cloud Amount (CLD) Categories
(Modified 5/18/2004)
CL | clear |
FW | > 0/8 to 2/8 of total sky covered |
SC | > 2/8 to 4/8 of total sky covered |
BK | > 4/8 to < 8/8 of total sky covered |
OV | 8/8 of total sky covered |
MAV/MET Ceiling Height (CIG) Categories
(Modified 5/18/2004)
1 | less than 200 ft |
2 | 200 to 400 ft |
3 | 500 to 900 ft |
4 | 1000 to 1900 ft |
5 | 2000 to 3000 ft |
6 | 3100 to 6500 ft |
7 | 6600 to 12000 ft |
8 | greater than 12000 ft or unlimited |
MAV/MET Visibility (VIS) Categories
(Modified 5/18/2004)
1 | less than 1/2 mile |
2 | 1/2 to < 1 mile |
3 | 1 to < 2 miles |
4 | 2 to < 3 miles |
5 | 3 to 5 miles |
6 | 6 miles |
7 | greater than 6 miles |
MAV/MET Obstruction to Vision (OBV) Categories
N | none of the following |
HZ | haze, smoke, dust |
BR | mist (fog w/vis >= 5/8 mile) |
FG | fog or ground fog (vis < 5/8 mile) |
BL | blowing dust, sand, snow |
MAV Precipitation Type (TYP) Categories
Z | freezing rain/drizzle, ice pellets, or | anything mixed with freezing precip |
S | pure snow or snow grains |
R | pure rain/drizzle or rain mixed with snow |
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MEX QPF Categories
0 | no precipitation |
1 | 0.01 to 0.09 inches |
2 | 0.10 to 0.24 inches |
3 | 0.25 to 0.49 inches |
4 | 0.50 to 0.99 inches |
5 | 1.00 to 1.99 inches |
6 | 2.00 inches or greater |
MEX Cloud (CLD) Categories
CL | mostly clear
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PC | partly cloudy |
OV | mostly cloudy |
MEX Precipitation Type (TYP) Categories
Z | freezing rain/drizzle, ice pellets, or | anything mixed with freezing precip |
S | pure snow or snow grains |
RS | rain/drizzle and snow mixed |
R | pure rain/drizzle |
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