Surface observations / SYNOP Reports / North America
Regions: North America | Quebec | Canada | USA | Europe | France | UK
- Red (upper-left): 24h cumulated precipitation in mm
- Orange (upper-right): 12h cumulated precipitation in mm
- Purple (lower-left): 6h cumulated precipitation in mm
- Green (lower-right): 3h cumulated precipitation in mm
Decoding time stamp example:
Synop Plot/241121/0800
241121/0800: year=2024; month=11 (November); day=21; 0800=08:00 UTC
Data available each 6h.
Cumulated precipitation are in mm of equivalent water. If precipitation is snow, you must simply read the numbers as in cm as opposed to mm. If precipitation is mixed, it is impossible to know which part is rain and which part is snow.
Last update : 29 December 2022
ATTENTION Downloading of any data from this server implies that you accept that the use of this data is only for personal, research or educational purposes. Do not use for flight planning purposes. UQAM declines any responsibility for the usage of these data.
Many of these pages made possible by data and software (GEMPAK, McIDAS, LDM) from the Unidata Program. Unidata is sponsored by the National Science Foundation.
