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| METEOROLOGY FLIGHT PLANNING
APPENDIX B
O
OBSCD................................................................................................................................ obscured
OBSCG.............................................................................................................................. obscuring
OBSCN............................................................................................................................obscuration
OCNL ............................................................................................................................... occasional
OCNLY ......................................................................................................................... occasionally
OMTS....................................................................................................................... over mountains
OR ......................................................................................................................................... Oregon
OTLK .................................................................................................................................... outlook
OTRW ................................................................................................................................otherwise
OTS ............................................................................................................................. out of service
OVC ..................................................................................................................................... overcast
OVHD .................................................................................................................................overhead
OVR ........................................................................................................................................... over
P
P..............................................................................................................................plus; greater than
PCPN ............................................................................................................................. precipitation
PE ...................................................................................................................................... ice pellets
PNHDL.............................................................................................................................. panhandle
PK...............................................................................................................................................peak
PK WND ...........................................................................................................................peak wind
PO.................................................................................................. well-developed dust/sand whirls
PR ............................................................................................................................................ partial
PRCTN ............................................................................................................................ precautions
PRD ......................................................................................................................................... period
PRES .................................................................................................................................... pressure
PRESFR ....................................................................................................... pressure falling rapidly
PRESRR .........................................................................................................pressure rising rapidly
PSBL/POSS.......................................................................................................................... possible
PTN/PTNS .............................................................................................................. portion/portions
PY..............................................................................................................................................spray
R
R ............................................................................................................................................ runway
RA ............................................................................................................................................... rain
RDG ...................................................................................................................................... reading
REPTD/RPRTD/RPTD ........................................................................................................ reported
RGD ....................................................................................................................................... ragged
RMN....................................................................................................................................... remain
COMMON WEATHER CONTRACTIONS
B-7
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