SILV20 collection of SYNOP reports available from UMRR (RIGA/SKULTE+FIR) at 03, 09, 15 and 21 UTC
Description
---- The bulletin collects SYNOP reports:
FM 12 (SYNOP, Report of surface observation from a fixed land station).
(Refer to WMO No.306 - Manual on Codes for the definition of WMO international codes)
---- The SILV20 TTAAii Data Designators decode (2) as:
T1 (S): Surface data.
T2 (I): Intermediate synoptic hour.
A1A2 (LV): Latvia.
(2: Refer to WMO No.386 - Manual on the GTS - Attachment II.5)
---- The bulletin collects reports from stations:
Kolka, Aluksne, Liepaja, Saldus, Riga and Daugavpils