Appendix B: Common Weather Constractions -Cont.

APPENDIX B

AVIATION WEATHER

SFC....................................................... surface

P ............................................plus; greater than

SG..................................................snow grains

PCPN............................................ precipitation

SGFNT/SIG .................................... significant

PE..................................................... ice pellets

SH..................................................... shower(s)

PNHDL ............................................ panhandle

SHD/SHLD ........................................... should

PK ............................................................. peak

SHFTG ................................................. shifting

PK WND.......................................... peak wind

SHLW ..................................................shallow

PO .................well-developed dust/sand whirls

SHWRS ............................................... showers

PR........................................................... partial

SIG CLD ............................... significant cloud

PRCTN........................................... precautions

SKC ....................................................sky clear

PRD........................................................ period

SLD .......................................................... solid

PRES ................................................... pressure

SLGT....................................................... slight

PRESFR ...................... pressure falling rapidly

SLP.......................................sea level pressure

PRESRR........................pressure rising rapidly

SLPG .................................................... sloping

PSBL/POSS ........................................ possible

SLPNO ........... sea level pressure not available

PTN/PTNS ..............................portion/portions

SLY ................................................... southerly

PY ............................................................ spray

SM ................................................ statute miles

SMTH................................................... smooth

SN.............................................................snow

R............................................................runway

SPECI............................. a special observation

RA .............................................................. rain

SPRDG............................................. spreading

RDG ..................................................... reading

SQ..........................................................squalls

REPTD/RPRTD/RPTD ...................... reported

SQLN .............................................. squall line

RGD .......................................................ragged

SRN .................................................... southern

RMN ..................................................... remain

SS ....................................................sand storm

RMNDR........................................... remainder

ST ...........................................................stratus

RQR ...................................................... require

STFRA ......................................... stratofractus

RTD...................... routine delayed observation

STG ........................................................ strong

RVR ................................. runway visual range

STN ....................................................... station

RVRNO...............................RVR not available

STNRY............................................. stationary

RWU ............... rain shower intensity unknown

SVRL ....................................................several

RWY/RY...............................................runway

SWD/SWRD/SWWD .............. southwestward

SW........................ snow showers or southwest

SYNS ................................................. synopsis

S .............................................................. South

SA ............................................................. sand

TAF ...................... terminal aerodrome forecast

SCSL ........... stratocumulus standing lenticular

TE................................................thunder ended

cloud

TEMPS .......................................... temperatures

SCT .................................................... scattered

THN ............................................................ thin

SD .............................................. South Dakota

THRU.................................................... through

SE ...................................................... southeast

THSD .................................................. thousand

SECS ................................................... sections

TIL ............................................................. until

SERN ........................................... southeastern

TS/TSTMS ..................................thunderstorms

SEV/SVR ............................................... severe

TWR........................................................ tower

SEWD ....................................... southeastward

TURB .............................................. turbulence

B-4

Common Weather Contractions