SILV20 collection of SYNOP reports available from UMRR (RIGA/SKULTE+FIR) at 03, 09, 15 and 21 UTC

---- 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