Weather archive in Sliven

To receive explanations, hover over the appropriate heading

Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2026 August 20, Thursday	09	23.2 74	741.1 29.18 988.05 988.05	763.4 30.06 1017.78 1017.78	0.6 0.02 0.8 0.8	52	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas				17.8 64	25.7 78	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	26.0 16.2	12.9 55	No precipitation No precipitation	12
	06	18.1 65	740.5 29.15 987.25 987.25	763.2 30.05 1017.52 1017.52		67		Calm			no clouds no clouds no clouds				18.1 65	25.7 78						24.0 14.9	11.8 53
	03	20.0 68	740.4 29.15 987.12 987.12	762.9 30.04 1017.12 1017.12	0.4 0.02 0.53 0.53	59	Wind blowing from the north-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds				19.9 68	25.7 78						22.0 13.7	11.6 53	No precipitation No precipitation	6
	00	21.4 71	740.0 29.13 986.59 986.59	762.4 30.02 1016.45 1016.45		56	Calm, no wind	Calm			no clouds no clouds no clouds				21.3 70	25.7 78						22.0 13.7	12.3 54
August 19, Wednesday	21	25.3 78	738.8 29.09 984.99 984.99	760.9 29.96 1014.45 1014.45	1.0 0.04 1.33 1.33	44	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				22.9 73	32.9 91	Cumulus humilis or Cumulus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	26.0 16.2	12.0 54	No precipitation No precipitation	12
	18	31.6 89	737.8 29.05 983.65 983.65	759.4 29.9 1012.45 1012.45		25	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				22.9 73	32.9 91	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	26.0 16.2	9.1 48
	15	30.2 86	737.8 29.05 983.65 983.65	759.4 29.9 1012.45 1012.45	0.0 0 0 0	31	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas				22.9 73	31.0 88	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	26.0 16.2	11.4 53	No precipitation No precipitation	6
	12	26.9 80	737.8 29.05 983.65 983.65	759.7 29.91 1012.85 1012.85		33	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds				22.9 73	27.0 81						26.0 16.2	9.1 48
	09	23.7 75	737.1 29.02 982.72 982.72	759.2 29.89 1012.18 1012.18	1.3 0.05 1.73 1.73	35	Wind blowing from the north-west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)		18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				23.4 74	28.4 83	Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas	1500-2000 4921-6562	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	No Cirrus, Cirrocumulus or Cirrostratus.	24.0 14.9	7.2 45	No precipitation No precipitation	12