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Point Forecast: Merrimac VA  37.2N 80.41W (Elev. 2096 ft)	Last Update: 11:00 pm EDT Aug 21, 2018

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Weather Elements Fire Weather Aviation Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Pressure (in) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Turner Stability Index Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 11pm Tue, Aug 21 201812am Wed, Aug 22 20181am Wed, Aug 22 20182am Wed, Aug 22 20183am Wed, Aug 22 20184am Wed, Aug 22 20185am Wed, Aug 22 20186am Wed, Aug 22 20187am Wed, Aug 22 20188am Wed, Aug 22 20189am Wed, Aug 22 201810am Wed, Aug 22 201811am Wed, Aug 22 201812pm Wed, Aug 22 20181pm Wed, Aug 22 20182pm Wed, Aug 22 20183pm Wed, Aug 22 20184pm Wed, Aug 22 20185pm Wed, Aug 22 20186pm Wed, Aug 22 20187pm Wed, Aug 22 20188pm Wed, Aug 22 20189pm Wed, Aug 22 201810pm Wed, Aug 22 201811pm Wed, Aug 22 201812am Thu, Aug 23 20181am Thu, Aug 23 20182am Thu, Aug 23 20183am Thu, Aug 23 20184am Thu, Aug 23 20185am Thu, Aug 23 20186am Thu, Aug 23 20187am Thu, Aug 23 20188am Thu, Aug 23 20189am Thu, Aug 23 201810am Thu, Aug 23 201811am Thu, Aug 23 201812pm Thu, Aug 23 20181pm Thu, Aug 23 20182pm Thu, Aug 23 20183pm Thu, Aug 23 20184pm Thu, Aug 23 20185pm Thu, Aug 23 20186pm Thu, Aug 23 20187pm Thu, Aug 23 20188pm Thu, Aug 23 20189pm Thu, Aug 23 201810pm Thu, Aug 23 201811pm Thu, Aug 23 201812am Fri, Aug 24 20181am Fri, Aug 24 20182am Fri, Aug 24 20183am Fri, Aug 24 20184am Fri, Aug 24 20185am Fri, Aug 24 20186am Fri, Aug 24 20187am Fri, Aug 24 20188am Fri, Aug 24 20189am Fri, Aug 24 201810am Fri, Aug 24 201811am Fri, Aug 24 201812pm Fri, Aug 24 20181pm Fri, Aug 24 20182pm Fri, Aug 24 20183pm Fri, Aug 24 20184pm Fri, Aug 24 20185pm Fri, Aug 24 20186pm Fri, Aug 24 20187pm Fri, Aug 24 20188pm Fri, Aug 24 20189pm Fri, Aug 24 201810pm Fri, Aug 24 201811pm Fri, Aug 24 201812am Sat, Aug 25 20181am Sat, Aug 25 20182am Sat, Aug 25 20183am Sat, Aug 25 20184am Sat, Aug 25 20185am Sat, Aug 25 20186am Sat, Aug 25 20187am Sat, Aug 25 20188am Sat, Aug 25 20189am Sat, Aug 25 201810am Sat, Aug 25 201811am Sat, Aug 25 201812pm Sat, Aug 25 20181pm Sat, Aug 25 20182pm Sat, Aug 25 20183pm Sat, Aug 25 20184pm Sat, Aug 25 20185pm Sat, Aug 25 20186pm Sat, Aug 25 20187pm Sat, Aug 25 20188pm Sat, Aug 25 20189pm Sat, Aug 25 201810pm Sat, Aug 25 201811pm Sat, Aug 25 201812am Sun, Aug 26 20181am Sun, Aug 26 20182am Sun, Aug 26 20183am Sun, Aug 26 20184am Sun, Aug 26 20185am Sun, Aug 26 20186am Sun, Aug 26 20187am Sun, Aug 26 20188am Sun, Aug 26 20189am Sun, Aug 26 201810am Sun, Aug 26 2018

Date	08/21	08/22
Hour (EDT)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	70	70	70	69	68	68	68	67	66	68	70	72	73	74	75	76	77	77	77	74	72	69	67	65
Dewpoint (°F)	68	67	67	66	66	66	66	66	66	66	66	66	67	66	65	64	63	62	62	62	61	62	62	61
Heat Index (°F)															75	76	77	77	77
Surface Wind (mph)	0	2	5	5	6	6	6	6	5	5	6	8	9	9	10	10	10	10	10	9	9	8	8	7
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
Gust																20	20	20	20
Sky Cover (%)	38	44	40	35	33	35	34	48	62	63	65	67	69	70	71	68	61	53	46	42	40	43	40	34
Precipitation Potential (%)	10	10	9	9	8	8	7	16	16	16	16	17	18	20	21	23	23	21	15	9	7	6	6	6
Relative Humidity (%)	93	92	91	92	92	93	95	96	99	94	88	84	80	74	71	66	64	60	60	65	70	80	84	88
Rain	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date		08/23
Hour (EDT)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	63	62	61	60	59	58	58	57	56	58	62	64	68	69	71	72	73	74	74	72	69	66	64	62
Dewpoint (°F)	60	59	58	56	56	55	54	53	52	52	52	52	53	52	52	51	51	51	50	51	51	52	51	51
Heat Index (°F)
Surface Wind (mph)	7	6	6	5	5	5	3	3	3	3	5	5	5	5	5	5	5	3	3	3	3	2	2	1
Wind Dir	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	N	N	N	N	N	N	N	N	NE	NE	E	E	E
Gust
Sky Cover (%)	32	31	30	30	27	23	21	19	17	15	12	7	4	5	6	7	6	5	4	4	5	5	6	7
Precipitation Potential (%)	2	2	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	93	92	89	89	88	87	87	88	89	79	71	65	59	55	51	47	45	44	43	48	53	59	62	66
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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