Gruyere/Riviera area 2018-Dec-13-Thu at 19:51:20Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016. Evening forecast with data 12Z.

Date		2018-Dec-14-Fri				2018-Dec-15-Sat				2018-Dec-16-Sun				2018-Dec-17-Mon				2018-Dec-18-Tue				2018-Dec-19-Wed				2018-Dec-20-Thu
Winter (Summer) time		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)
Flyable ? +/-		+++	+++	+++		+++	---	+++		---	---	---		---	---	---		+++	+++	---		---	---	---		---	---	---
ThQ %		52	55	51		45	44	49		4	24	11		0	0	7		39	44	29		27	31	29		20	0	10
General wind kmh		ESE 4	N 4	NE 5		ESE 7	ESE 2	ESE 5		SW 11	SSE 6	WSW 8		SW 22	SW 27	SW 15		SE 9	SSE 6	SSE 6		ESE 7	ESE 4	SE 5		S 12	SW 21	SW 15
Top wind kmh		SE 4	NW 2	NE 4		E 8	SE 3	SE 6		WSW 13	SW 6	WSW 10		SW 26	SW 32	SW 18		SSE 10	S 9	SSE 8		SE 8	SSE 5	SSE 7		SW 16	SW 29	SW 20
Cloud cover %		0	0	0		34	65	4		100	100	100		79	88	96		0	24	93		100	100	100		25	14	1
Rain mm		0	0	0		0	0	0		6	10	2		0	1	1		0	0	0		2	6	6		0	0	0
Sea level Pressure hPa		1017	1017	1019		1024	1023	1022		1017	1016	1018		1025	1026	1028		1027	1023	1022		1018	1016	1015		1013	1012	1012
Isotherm 0°C m		700	1100	800		400	1000	700		1700	1700	1500		1100	1200	1100		1100	2600	2700		2000	1900	1800		1600	1400	1500
Storm risk		No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.

NB: not flyable --- if rainy, too cloudy, too windy and high risk of thunderstorm.