Poga Mountain, NC: 2006-2007 Winter Season Storms

Storm Summary of the 2007-2008 Winter Season (November - April) - 75 Storms

Poga Mountain, North Carolina ( Elevation: 1137 m)

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Storm Summary of the 2006-2007 Winter Season (November - April)

Storm Summary of the 2007-2008 Winter Season (November - April)

Storm Summary of the 2008-2009 Winter Season (November - April)

Blue highlighted rows: Snow, freezing rain, sleet, or mixed cases

Grey highlighted rows: Virga or mix of virga and rain, no snow

SWE = Snow-water equivalent

Cells under bellow columb are general trend 24 hours before storm

Storm Summary
Rain	27
Virga to Rain	22
Snow	4
Virga to Snow	5
Mixed	15
Virga	1

Continuity
Continuous	12
Scattered	63
Continuous (Snow)	10
Scattered (Snow)	12

AGL
Tall	12
Tall to Borderline	12
Tall to Shallow	12
Borderline	11
Borderline to Shallow	12
Shallow	11
Shallow to Tall	12

Tall (>4.0 km AGL)

Borderline (2.5-4.0 km AGL)

Shallow (<2.5 km AGL)

Continuity for Storm Maturity

Scattered - Several Breaks

														Trends
									Wind Direction					Temperature		RH		Pressure
Year	Month	Day	Type	AGL	Continuity	Start Time (UTC)	Duration (hrs)	Avg. Temp. (°C)	Avg.	At Storm Maturity	Wind Speed (m/s)	Snowfall (in)	SWE (in)	before	during	before	during	before	during
2007	11	6	Rain	Tall to Borderline	Scattered	01:30	9	8.5	W	--	2.9	--	--	increasing	decreasing	decreasing	increasing	decreasing	decreasing
2007	11	9	Virga to Rain	Borderline	Scattered	22:30	4.5	6.4	W	--	2.7	--	--	increasing	decreasing	decreasing	increasing	decreasing	flat
2007	11	12	Virga to Rain	Tall to Borderline	Scattered	05:00	6	8.8	SW	--	1.3	--	--	increasing	increasing	increasing	decreasing	increasing	increasing
2007	11	13	Virga to Rain	Tall to Borderline	Scattered	00:00	40	10.0	W	--	1.9	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2007	11	14	Rain to Snow	Tall to Shallow	Scattered	23:00	25	4.7	SW	NW	3.5	0.1	0.01	increasing	decreasing	flat	increasing	decreasing	increasing
2007	11	19	Rain	Borderline	Scattered	10:30	10	9.6	W	--	2.0	--	--	increasing	flat	decreasing	increasing	increasing	increasing
2007	11	22	Rain to Snow	Tall to Shallow	Scattered	00:30	25	9.4	SW	NW	2.2	trace	0.02	increasing	decreasing	increasing	increasing	decreasing	increasing
2007	11	25	Rain	Tall	Scattered	00:00	24	5.7	SE	--	1.8	--	--	increasing	increasing	decreasing	increasing	increasing	decreasing
2007	11	26	Rain	Tall to Shallow	Scattered	09:30	27	10.0	SW	--	3.5	--	--	increasing	flat	increasing	flat	decreasing	flat
2007	12	3	Rain	Tall	Continuous	00:00	8.5	11.2	SW	--	3.4	--	--	increasing	decreasing	increasing	increasing	decreasing	decreasing
2007	12	5	Virga to Rain to Snow	Tall to Borderline	Continuous	06:00	21	0.9	SW	W	3.0	0.2	0.09	increasing	increasing	decreasing	increasing	decreasing	decreasing
2007	12	7	Freezing rain/sleet to Virga	Tall	Scattered	4:30	15.5	1.9	SE	SE	1.8	trace	0.01	increasing	increasing	increasing	decreasing	increasing	flat
2007	12	8	Rain	Borderline	Scattered	13:00	14.5	11.7	W	--	2.3	--	--	increasing	increasing	increasing	flat	increasing	increasing
2007	12	9	Rain	Tall to Borderline	Scattered	16:00	4.5	14.4	SW	--	1.1	--	--	increasing	flat	decreasing	increasing	increasing	flat
2007	12	12	Rain	Tall	Scattered	17:00	5.5	12.9	W	--	2.3	--	--	decreasing	decreasing	decreasing	increasing	decreasing	flat
2007	12	13	Rain	Shallow to Tall	Scattered	16:30	7	12.3	NW	--	3.7	--	--	increasing	decreasing	decreasing	increasing	decreasing	increasing
2007	12	15	Rain to Snow	Tall to Shallow	Scattered	20:00	33.5	-1.9	SE	S	4.8	4.1	0.11	decreasing	decreasing	increasing	decreasing	decreasing	increasing
2007	12	19	Snow	Borderline to Shallow	Scattered	9:30	5	-0.4	SW	W	2.0	trace	0.01	increasing	flat	increasing	increasing	decreasing	increasing
2007	12	20	Rain	Tall	Continuous	23:00	17.5	1.1	E	--	5.3	--	--	decreasing	decreasing	increasing	flat	decreasing	increasing
2007	12	22	Virga to Rain	Tall	Scattered	21:30	19	7.0	SE	--	5.2	--	--	increasing	increasing	flat	decreasing	increasing	decreasing
2007	12	25	Virga to Rain	Tall to Borderline	Scattered	20:00	18.5	1.7	SW	--	2.4	--	--	increasing	decreasing	decreasing	increasing	increasing	decreasing
2007	12	28	Rain	Tall	Scattered	15:00	16	9.5	SE	--	3.3	--	--	increasing	increasing	decreasing	increasing	increasing	decreasing
2007	12	30	Rain	Tall to Shallow	Scattered	13:00	13	5.0	SW	--	2.4	--	--	decreasing	decreasing	increasing	flat	decreasing	decreasing
2008	1	1	Snow	Shallow	Scattered	8:00	23	-9.4	NW	NW	4.6	4.0	0.13	decreasing	decreasing	increasing	increasing	decreasing	increasing
2008	1	6	Rain	Tall	Scattered	6:00	14.5	8.7	SW	--	1.4	--	--	increasing	increasing	increasing	decreasing	decreasing	flat
2008	1	9	Virga to Rain	Tall to Shallow	Scattered	5:00	7	11.1	SE	--	3.5	--	--	increasing	decreasing	flat	increasing	decreasing	increasing
2008	1	10	Rain	Tall	Scattered	8:30	5.5	3.2	S	--	2.8	--	--	decreasing	decreasing	increasing	increasing	flat	decreasing
2008	1	11	Rain	Tall	Scattered	0:00	13	9.2	S	--	3.9	--	--	increasing	decreasing	increasing	flat	decreasing	decreasing
2008	1	13	Virga to Rain to Snow	Tall to Shallow	Scattered	13:00	28	-0.8	SW	NW	3.0	0.6	0.04	decreasing	decreasing	increasing	flat	increasing	flat
2008	1	15	Snow	Shallow	Scattered	11:30	4.5	-8.4	NW	NW	4.9	0.2	0.01	decreasing	increasing	flat	increasing	flat	increasing
2008	1	16	Snow to Mixed Sleet/Freezing Rain	Tall	Continuous	22:00	18.5	-3.9	E	E	4.6	1.8	0.33	increasing	decreasing	decreasing	increasing	increasing	decreasing
2008	1	19	Virga to Snow to Virga	Tall	Scattered	5:30	21	-4.0	W	NW	2.3	0.4	0.04	decreasing	decreasing	decreasing	increasing	decreasing	increasing
2008	1	22	Rain	Borderline to Tall	Scattered	14:00	12	2.9	SW	--	1.5	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	1	24	Snow	Shallow	Scattered	12:00	14	-7.1	NW	NW	4.7	0.8	0.04	increasing	decreasing	increasing	flat	decreasing	increasing
2008	1	26	Virga	Tall to Borderline	Scattered	3:00	12	-4.2	SW	--	1.2	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	1	29	Rain to Virga	Tall	Scattered	0:00	12	6.9	S	--	1.5	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	1	29	Virga to Rain	Tall to Borderline	Scattered	21:30	10	7.0	SE	--	3.9	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	1	31	Virga to Rain	Tall to Borderline	Scattered	15:30	26.5	0.5	SE	--	5.9	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	3	Virga to Rain to Virga	Tall	Continuous	22:00	5	6.0	SE	--	2.1	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	4	Rain	Tall	Continuous	16:30	7	11.0	SE	--	1.1	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	6	Virga to Rain	Tall	Continuous	14:30	7	12.5	S	--	3.5	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	10	Virga/Light Rain	Borderline	Scattered	18:30	2	0.8	W	--	6.7	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	12	Virga to Rain to Virga	Tall	Scattered	14:30	6	6.8	S	--	4.6	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	13	Rain	Borderline to Tall to Shallow	Scattered	5:00	11.5	6.2	SW	--	2.6	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	14	Freezing drizzle	Tall	Scattered	0:00	3	-8.1	W	NW	5.4	0.1	0.03	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	17	Rain	Borderline to Tall	Continuous	18:00	10.5	9.3	SE	--	3.7	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	19	Virga to Snow to Virga	Borderline	Scattered	1:30	21	-2.9	W	W	4.3	0.1	0.01	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	20	Virga to Rain	Borderline	Scattered	19:00	4	5.7	W	--	5.4	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	22	Rain to Virga	Borderline to Tall	Scattered	13:00	5	7.5	SE	--	1.8	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	23	Rain	Borderline to Shallow	Scattered	12:00	6.5	4.2		--	2.8	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	24	Virga to Rain to Mix Rain/Snow	Tall to Shallow	Continuous	15:00	14	1.4	S	--	1.9	trace	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	26	Virga to Rain to Snow	Tall to Shallow	Scattered	4:30	63	-4.3	W	NW	4.4	8.3	0.39	increasing	decreasing	increasing	flat	decreasing	increasing
2008	2	29	Virga to Snow	Shallow to Tall to Borderline	Scattered	9:00	22	0.3	S	SE	2.2	0.4	0.13	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	4	Rain to Light Snow	Tall to Shallow	Continuous	12:00	24	6.8	SW	NW	4.0	trace	0.01	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	7	Rain to Virga	Tall	Continuous	12:00	5.5	5.6	SE	--	7.7	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	8	Rain to Snow	Tall to Shallow	Scattered	1:30	25.5	0.6	SW	NW	4.4	1.5	0.11	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	14	Virga to Rain	Tall	Scattered	16:00	11.5	9.7	SW	--	2.9	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	15	Rain	Tall to Shallow	Scattered	16:30	12	7.1	SW	--	2.9	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	19	Rain to Snow	Tall to Shallow	Scattered	15:30	21	6.2	SW	NW	4.6	0.7	0.17	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	24	Virga to Snow	Borderline to Shallow	Scattered	17:00	10	-3.1	NW	NW	3.7	0.4	0.02	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	28	Virga to Rain	Shallow to Tall	Scattered	16:00	15:30	10.1	SW	--	2.2	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	29	Virga to Rain	Tall to Borderline	Continuous	21:30	16	0.2	E	--	5.6	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	3	31	Rain	Tall	Scattered	10:30	25.5	10.0	SE	--	2.8	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	2	Virga to Rain	Tall	Scattered	22:00	2	11.6	NW	--	1.1	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	3	Rain	Tall	Scattered	7:00	18.5	4.4	E	--	4.6	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	4	Rain to Virga to Rain	Tall	Scattered	18:00	34	9.2	SW	--	2.4	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	11	Rain	Tall	Scattered	22:30	14.5	14.9	SW	--	2.1	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	13	Rain	Tall	Scattered	5:00	1.5	4.6	W	--	4.6	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	13	Rain to Snow	Tall	Scattered	18:00	11	2.7	NW	NW	4.4	0.3	0.14	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	14	Snow to Virga	Tall	Scattered	16:30	14.5	-0.9	NW	NW	2.9	0.4	0.08	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	19	Virga to Rain to Virga	Tall	Scattered	10:00	14.5	12.4	SE	--	2.9	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	20	Rain	Tall	Scattered	9:30	13.5	6.3	NW	--	2.3	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	25	Virga to Rain	Tall	Scattered	21:00	3.5	18.3	S	--	2.0	--	--	increasing	decreasing	increasing	flat	decreasing	increasing
2008	4	27	Rain to Virga to Rain	Tall	Scattered	19:30	23	10.8	SW	--	1.6	--	--	decreasing	decreasing	increasing	flat	decreasing	increasing
2008	4	29	Rain to Snow	Tall	Scattered	1:00	6.5	3.2	W	NW	3.6	trace	0.03	decreasing	decreasing	decreasing	increasing	decreasing	increasing

Version 1.2, 27 October 2009

web page credits: Micheal Tai Bryant, Sandra Yuter, L. Baker Perry

This research is a collaboration between the
Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University
and the Department of Geography and Planning, Appalachian State University

contacts:
Dr. Sandra Yuter seyuter@ncsu.edu

Dr. L. Baker Perry perrylb@appstate.edu