Table of Contents
Advertisement
TRMTS
Terminates
TRNSP
Transport
TRNSPG
Transporting
TROF
Trough
TROFS
Troughs
TROP
Tropopause
TRPCD
Tropical continental
air mass
TRPCL
Tropical
TRRN
Terrain
TRSN
Transition
TS
Thunderstorm
TSFR
Transfer
TSFRD
Transferred
TSFRG
Transferring
TSFRS
Transfers
TSNO
Thunderstorm infor-
mation not available
TSNT
Transient
TURBC
Turbulence
TURBT
Turbulent
TWD
Toward
TWDS
Towards
TWI
Twilight
TWR
Tower
TWRG
Towering
TX
Texas
UA
Pilot weather
reports
UDDF
Up- and downdrafts
UN
Unable
UNAVBL
Unavailable
Revision 2 Nov/2002
UNEC
UNKN
UNL
UNRELBL
UNRSTD
UNSATFY
UNSBL
UNSTBL
UNSTDY
UNSTL
UNSTLD
UNUSBL
UP
UPDFTS
UPR
UPSLP
UPSTRM
URG
USBL
UT
UTC
UUA
UVV
UWNDS
V
VA
KMD 550/850 FIS Addendum
B-23
Unnecessary
Unknown
Unlimited
Unreliable
Unrestricted
Unsatisfactory
Unseasonable
Unstable
Unsteady
Unsettle
Unsettled
Unusable
Unknown precipita-
tion (used only by
automated sites that
are incapable of
discrimination)
Updrafts
Upper
Upslope
Upstream
Urgent
Usable
Utah
Universal Time
Coordinate
Urgent PIREP
Weather Reports
Upward vertical
velocity
Upper winds
Varies
Virginia or Volcanic
Ash
Appendix B
Advertisement
Table of Contents
