Code Form: FM 12-XIV Ext. SYNOP Flashcards
List the group of codes in chronological order of Section 1.
iRiXhVV Nddff 1SnTTT 2SnTdTdTd or 29UUU 3PoPoPoPo 4PPPP 5appp 6RRRtr 7wwW1W2 8NhClCmCh 9GGgg
List the group of codes in chronological order of Section 3.
333 (0CsDlDmDh) (1SnTxTxTx) (2SnTnTnTn) (5j1j2j3j4) (7R24R24R24) (8NsCHshs) (9SpSpspsp).. Abbreviated plain language
What does MiMiMjMj stand for?
MiMi = AA is for land station and BB is used for sea stations.
MjMj= XX means there are no other parts.
What does YYGGiw stand for?
YY= Date (two digits)
GG= Actual time of observation to the nearest whole hour UTC
iW= Source and units of wind speed
What does IIiii stand for?
II= Block number
ii= Station number
What can be found under Section A in the Manual on codes?
Fm system of numbering code forms and list of code forms with regulations and notes
Where can the specification of symbolic letters be found?
Section B
What can be found under Section C in the manual on codes?
Code Tables
What can be found under Station D in the manual on codes?
Station index numbers
Where can the beaufort scale of wind be found?
Section E
Under the category GG, define the actual time of observation.
In a surface synoptic report, it is the time the barometer is read
In a upper air observation, it is the time when the balloon, parachute or rocket is released
What is a synoptic hour?
The hour expressed in terms of UTC time when meteorological observations are made simultaneously throughout the globe.
A surface or upper air observation made at standard time is called what?
A synoptic observation
A synoptic observation made by an observer on the earth’s surface is called a what?
Synoptic surface observation
What is the official time of observation?
The 10 minute period preceding the actual time of observation
