PRECIPITATION

14 codes

** PRECIPITATION AT ACCIDENT SITE
A HAIL
B SLEET
C DRIZZLE
D RAIN
E RAIN SHOWERS
F SNOW
G SNOW GRAINS/SNOW PELLETS
H SNOW SHOWERS
I THUNDERSTORM
J FREEZING DRIZZLE
K FREEZING RAIN
L NONE
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.