New TAF code and 30-hour TAF (Table 1)
|
Items |
Old |
New |
|---|---|---|
|
New TAF code:
1. Date included before
hour (with “/” between
start/end validity
period)
2. Temperature group
positioned at the end
of main group but
before any change
groups
|
Example:
TAF VHHH 242200Z 250024
14005KT 9999 FEW020
BECMG 0204 27010KT
BECMG 0911 14005KT=
TX32/06Z TN27/22Z= |
Example:
TAF VHHH 242300Z 2500/2606
14005KT 9999 FEW020
TX32/2506Z TN27/2522Z
BECMG 2502/2504 27010KT
BECMG 2509/2511 14005KT
BECMG 2602/2604 27010KT= |
|
VHHH TAF validity |
24-hour |
30-hour |
|
Maximum/minimum
temperature forecast |
One maximum and one minimum temperature forecasts are given. |
One maximum and one minimum temperature forecasts will be given. But if there are two forecast maxima/minima of equal values, the first occurrence time will be given.
|
Table 1 Difference between the old and new TAF code.