Atlas/ Pre-1982 Codebook/ GENERAL_WEATHER
NTSB · Form 6120.4
GENERAL_WEATHER
GENERAL_WEATHER
17 codes
- ** GENERAL WEATHER
- A TURBULENCE IN CLOUDS
- B CLEAR AIR TURBULENCE
- C TORNADO
- D HURRICANE
- E MOUNTAIN WAVE
- F FRONTAL ACTIVITY
- G SQUALL LINE
- H CEILING VARIABLE
- I WIND GUSTY
- J WIND VARIABLE
- K WIND VARIABLE AND GUSTY
- L PRECIPITATION-HEAVY
- M PRECIPITATION-LIGHT
- N FREEZING TEMPERATURE
- P FRONTAL PASSAGE
- Z UNKNOWN/NOT REPORTED
Source
Codes verbatim from the ct_Pre1982 table of
PRE1982.MDB — the FAA-distributed pre-1982 NTSB
aviation accident database. Used internally by the Atlas to decode
legacy accident records on every pre-1982 NTSB event page.