Revision 6 Feb/2009
B-1
Common Weather Abbreviations
KMD 550/850 FIS Addendum
Appendix B
ABNDT
Abundant
ABNML
Abnormal
ABT
About
ABV
Above
AC
Convective outlook
or altocumulus
ACC
Altocumulus castel-
lanus clouds
ACCAS
Altocumulus castel-
lanus clouds
ACFT MSHP
Aircraft Mishap
ACCUM
Accumulate
ACFT
Aircraft
ACLT
Accelerate
ACLTD
Accelerated
ACLTG
Accelerating
ACLTS
Accelerates
ACPY Accompany
ACRS Across
ACSL Altocumulus
standing lenticular
ACTV Active
ACTVTY Activity
ACYC Anticyclone
ADJ Adjacent
ADL Additional
ADQT Adequate
ADQTLY Adequately
ADRNDCK Adirondack
ADVCT Advect
ADVCTD Advected
ADVCTG Advecting
ADVCTN Advection
ADVCTS Advects
ADVN Advance
ADVNG Advancing
ADVY Advisory
ADVYS Advisories
AFCT Affect
AFCTD Affected
AFCTG Affecting
AFDK After
dark
AFOS Automated
Field
Operations System
AFSS Automated
Flight
Service Station
AFT After
AFTN Afternoon
AGL
Above ground level
AGN Again
AGRD Agreed
AGRS Agrees
AGRMT Agreement
AHD Ahead
AIRMET
Airman’s Meteoro-
logical Information
AK Alaska
AL Alabama
ALF Aloft
ALG Along
ALGHNY Allegheny
ALP
Airport Location
Point
ALQDS All
quadrants
ALSTG Altimeter
setting
ALT Altitude
ALTA Alberta
ALTHO Although
ALTM Altimeter
ALUTN Aleutian
AMD Amend
AMDD Amended
AMDG Amending
AMDT Amendment
APPENDIX B
COMMON WEATHER ABBREVIATIONS