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KMD 550/850 FIS Addendum
Appendix B
Revision 2 Nov/2002
B-3
BCFG
Patchy fog
BCH Beach
APCH
Approach
APRNT
Apparent
APRX
Approximate,
Approximately
ATCT
Air Traffic Control
Tower
AUTO
Automated report
B
Began
BC
Patches (descriptor
used with FG)
BCKG Backing
BCM Become
BCMG Becoming
BCMS Becomes
BDA Bermuda
BDRY Boundary
BECMG
Becoming
BFDK Before
dark
BFR Before
BGN Begin
BGNG Beginning
BGNS Begins
BHND Behind
BINOVC
Breaks in overcast
BKN Broken
BL
Blowing
BLD Build
BLDG Building
BLDUP Buildup
BLKHLS Black
Hills
BLKT Blanket
BLKTG Blanketing
BLKTS Blankets
BLO
Below or below
clouds
BLW Below
BLZD Blizzard
BN Blowing
sand
BND Bound
BNDRY Boundary
BNDRYS Boundaries
BNTH Beneath
BOOTHEEL Bootheel
BR
Branch or mist
(METAR, used only
for visibility between
5/8 and 6 miles)
BRF Brief
BRK Break
BRKG Breaking
BRKHIC
Breaks in higher
clouds
BRKS Breaks
BRKSHR Berkshire
BRM Barometer
BS Blowing
snow
BTWN Between
BYD Beyond
C Celsius
CA California
or
cloud-
to-air lightning in
PIREPs
CAA
Cold air advection
CARIB Caribbean
Appendix B R2 11/21/02 5:32 PM Page 3