B-16
Revision 2 Nov/2002
KMD 550/850 FIS Addendum
Appendix B
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
PPINE Radar
weather
report no echoes
observed
PPSN Present
position
PR
Partial
PRBL Probable
PRBLY Probably
PRBLTY Probability
PRECD Precede
PRECDD Preceded
PRECDG Preceding
PRECDS Precedes
PRES Pressure
PRESFR Pressure
falling
rapidly
PRESRR Pressure
rising
rapidly
PRFG
Partial fog
PRIM Primary
PRIN Principal
PRIND Present
indications
are...
PRJMP Pressure
jump
PROB Probability
PROBC C
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 R2 11/21/02 5:32 PM Page 16