Poga Mountain, NC: 2007-2008 Winter Season Storms

Storm Summary with Continuous Profile of the 2007-2008 Winter Season (November - April) - 14 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)

SWE = Snow-water equivalent

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

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

* = average for snow days only

** = general trend 6 hours before storm

Tall (> 4.0 km AGL) Continuity for Storm Maturity

Borderline ( 2.5-4.0 km AGL) Scattered: Several Breaks

Shallow (< 2.5 km AGL)

Storm Summary
Rain	22
Rain to Virga (to Rain)	5
Virga to Rain (to Virga)	17
Rain/Virga	7
Rain to Snow	7
Snow (to Virga)	8
Virga (to Rain) to Snow	6
Virga (to Snow to Virga)	3

Continuity
Continuous	14
Scattered	60
Continuous (Snow)	4
Scattered (Snow)	19

AGL
Tall		24
Tall to Borderline		11
Tall to Shallow		13
Borderline		11
Borderline to Shallow		5
Borderline to Tall		4
Shallow (to Tall)		6

Average	All	Page
Temp. (°C)	5.1	7.5
Wind Direction	218°	174°
Wind Speed (m/s)	3.3	3.2
Duration (hrs)	14.8	12.0
Snowfall (in) *	0.33	0.33

													Trends
								Wind Direction					Temperature		RH		Pressure
Year	Month	Day	Type	AGL	Start Time (UTC)	Duration (hrs)	Avg. Temp. (°C)	Avg.	At Snow Storm Maturity	Wind Speed (m/s)	Snowfall (in)	SWE (in)	before**	during	before**	during	before**	during
2007	12	3	Rain	Tall	00:00	8.5	11.2	SW	--	3.4	--	--	increasing	up - down	increasing	increasing	decreasing	decreasing
2007	12	5	Virga to Rain to Snow	Tall to Borderline	06:00	21	0.9	SW	W	3.0	0.2	0.09	increasing	up - down	flat	increasing	decreasing	down - up
2007	12	9	Rain	Tall to Borderline	16:00	4.5	14.4	SW	--	1.1	--	--	increasing	decreasing	decreasing	increasing	flat	decreasing
2008	1	16	Virga to Snow to Freezing Rain/Snow	Tall	22:00	18.5	-3.9	E	E	4.6	1.8	0.33	decreasing	decreasing	increasing	increasing	decreasing	decreasing
2008	2	3	Virga to Rain to Virga	Tall	22:00	5	6.0	SE	--	2.1	--	--	increasing	decreasing	decreasing	increasing	decreasing	up - down
2008	2	4	Rain	Tall	16:30	7	11.0	SE	--	1.1	--	--	increasing	decreasing	flat	increasing	increasing	flat
2008	2	6	Rain	Tall	14:30	7	12.5	S	--	3.5	--	--	decreasing	down - up	increasing	up - down	decreasing	decreasing
2008	2	17	Rain	Borderline to Tall	18:00	10.5	9.3	SE	--	3.7	--	--	increasing	increasing	increasing	flat	decreasing	decreasing
2008	2	24	Virga to Rain/Freezing Rain	Tall to Shallow	15:00	14	1.4	S	--	1.9	--	--	increasing	decreasing	decreasing	down - up	increasing	decreasing
2008	3	4	Rain to Light Snow	Tall to Shallow	12:00	24	6.8	SW	NW	4.0	trace	0.01	increasing	decreasing	increasing	flat	decreasing	down - up
2008	3	7	Rain/Virga	Tall	12:00	5.5	5.6	SE	--	7.7	--	--	decreasing	increasing	increasing	increasing	decreasing	decreasing
2008	3	29	Virga to Rain	Tall to Borderline	21:30	16	0.2	E	--	5.6	--	--	decreasing	decreasing	flat	down - up	flat	increasing
2008	4	25	Rain/Virga	Tall	21:00	3.5	18.3	S	--	2.0	--	--	up - down	decreasing	up - down	increasing	decreasing	flat
2008	4	27	Rain to Virga to Rain	Tall	19:30	23	10.8	SW	--	1.6	--	--	decreasing	decreasing	increasing	down - up	decreasing	decreasing

Version 1.2, 18 August 2011

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

This material is based upon work supported by the National Science Foundation under Grant No. 0544766. Any opinions, findings and conclusions or recomendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation (NSF).

contacts:
Dr. Sandra Yuter seyuter@ncsu.edu

Dr. L. Baker Perry perrylb@appstate.edu