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PA
Pennsylvania
PAC
Pacific
PATWAS
Pilot's automatic
telephone weather
answering service
PBL
Planetary boundary
layer
PCPN
Precipitation
PD
Period
PDMT
Predominant
PE
Ice pellets
PEN
Peninsula
PERM
Permanent
PGTSND
Puget Sound
PHYS
Physical
PIBAL
Pilot balloon obser-
vation
PIREP
Pilot weather report
PK WND
Peak wind
PL
Ice pellets
PLNS
Plains
PLS
Please
PLTO
Plateau
PM
Postmeridian
PNHDL
Panhandle
PNO
Precipitation
amount not avail-
able
PO
Dust/ sand swirls
POS
Positive
POSLY
Positively
PPINA
Radar weather
report not available
Revision 2 Nov/2002
PPINE
PPSN
PR
PRBL
PRBLY
PRBLTY
PRECD
PRECDD
PRECDG
PRECDS
PRES
PRESFR
PRESRR
PRFG
PRIM
PRIN
PRIND
PRJMP
PROB
PROBC C
KMD 550/850 FIS Addendum
B-16
Radar weather
report no echoes
observed
Present position
Partial
Probable
Probably
Probability
Precede
Preceded
Preceding
Precedes
Pressure
Pressure falling
rapidly
Pressure rising
rapidly
Partial fog
Primary
Principal
Present indications
are...
Pressure jump
Probability
Forecaster's
assessment of the
probability of occur-
rence of a thunder-
storm or precipita-
tion event, along
with associated
weather elements
(wind, visibility,
and/or sky condi-
tion) whose occur-
rences are directly
related to, and con-
temporaneous with,
the thunderstorm or
precipitation event
Appendix B
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