Poga Mountain, NC: 2006-2007 Winter Season Storms

Storm Summary with Scattered Profile of the 2006-2007 Winter Season (November - April) - 34 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

* = average for snow days only

** = general trend 24 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 / Freezing Rain	12
Virga to Rain	11
Rain to Snow / Freezing Rain	7
Snow	8
Virga to Snow	6
Virga to Rain to Snow	1
Virga	3

Continuity
Continuous	13
Scattered	34
Continuous (Snow)	9
Scattered (Snow)	11

AGL
Tall		12
Tall to Borderline		10
Tall to Shallow		9
Borderline		3
Borderline to Shallow		5
Shallow		4
Shallow to Tall		1

Average	All	Page
Temp. (°C)	3.4	4.6
Wind Direction	226°	213°
Wind Speed (m/s)	3.2	3.0
Duration (hrs)	14.8	15.5
Snowfall (in) *	1.7	2.0

													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
2006	11	11	Rain to Snow	Tall to Shallow	20:00	22	2.7	NW	NW	4.4	0.3	0.14	increasing	decreasing	up - down	flat	decreasing	increasing
2006	11	15	Rain	Tall	11:00	25	10.2	SE	--	5.0	--	--	increasing	down - up	increasing	increasing	flat	decreasing
2006	11	16	Rain to Rain / Freezing Rain	Borderline to Shallow	20:00	18	0.8	W	--	3.8	--	--	flat	decreasing	down - up	flat	decreasing	increasing
2006	11	19	Rain to Snow	Borderline	08:00	30	-1.1	NW	NW	2.5	1.2	0.23	up - down	decreasing	down - up	flat	flat	increasing
2006	11	22	Virga to Rain	Tall	00:00	9	0.8	NW	--	3.2	--	--	increasing	flat	decreasing	increasing	up - down	decreasing
2006	12	3	Virga	--	03:00	7.5	2.2	SE	--	1.8	--	--	increasing	flat	decreasing	flat	increasing	flat
2006	12	13	Virga to Rain	Tall to Borderline	04:30	7	5.6	SE	--	2.1	--	--	up - down	down - up	increasing	increasing	decreasing	decreasing
2006	12	19	Rain	Borderline	13:00	2	8.5	W	--	2.8	--	--	decreasing	decreasing	increasing	increasing	decreasing	increasing
2006	12	26	Rain to Snow	Borderline to Shallow	07:00	19	-0.4	W	NW	4.0	0.5	0.12	up - down	decreasing	increasing	flat	decreasing	increasing
2006	12	31	Virga to Rain	Tall	08:30	23.5	10.1	SE	--	4.0	--	--	up - down	increasing	increasing	flat	decreasing	decreasing
2006	01	05	Virga to Rain	Tall	03:00	11	12.4	SE	--	2.4	--	--	increasing	increasing	down - up	increasing	decreasing	decreasing
2006	01	07	Rain/Freezing Rain	Tall to Shallow	15:00	23	7.2	S	--	3.8	--	--	decreasing	decreasing	increasing	flat	increasing	decreasing
2007	01	09	Virga to Snow	Tall to Borderline	12:00	16	-3.2	W	NW	4.0	4.0	0.31	decreasing	decreasing	decreasing	increasing	up - down	increasing
2007	01	12	Virga	--	08:00	16	7.7	S	--	1.1	--	--	increasing	increasing	increasing	down - up	flat	up - down
2007	01	23	Rain / Freezing Rain	Shallow	23:00	7	-5.4	SW	--	1.2	--	--	decreasing	decreasing	decreasing	down - up	increasing	flat
2007	01	28	Snow	Tall to Shallow to Borderline	08:00	19	-6.0	W	W	4.3	2.2	0.14	up - down	decreasing	increasing	decreasing	decreasing	flat
2007	02	01	Virga to Snow	Tall	03:00	15	-5.2	SE	SE	2.0	1.8	0.13	down - up	decreasing	decreasing	increasing	up - down	decreasing
2007	02	02	Snow	Borderline to Shallow	17:00	18	-6.1	W	NW	3.9	0.4	0.05	flat	decreasing	increasing	decreasing	decreasing	increasing
2007	02	12	Virga to Rain	Tall	16:00	5	7.1	SW	--	1.8	--	--	increasing	increasing	up - down	down - up	flat	decreasing
2007	02	13	Rain to Snow	Tall to Shallow	20:00	18.5	2.8	S	NW	2.6	1.3	0.05	increasing	decreasing	increasing	flat	decreasing	down - up
2007	02	15	Snow	Shallow	2:00	7	-12.6	W	NW	2.9	0.8	0.01	decreasing	decreasing	decreasing	flat	down - up	increasing
2007	02	17	Virga to Snow	Tall to Shallow	11:00	36	-7.3	SW	NW	3.6	5.5	0.23	down - up	up - down	decreasing	increasing	up - down	down - up
2007	02	24	Virga to Rain	Tall	20:00	20.5	5.4	SE	--	4.5	--	--	increasing	decreasing	decreasing	increasing	flat	decreasing
2007	03	14	Virga	--	07:30	5	13.8	W	--	1.1	--	--	up - down	flat	increasing	increasing	decreasing	flat
2007	03	19	Virga to Rain	Tall	21:00	13	9.2	SW	--	2.3	--	--	increasing	decreasing	flat	increasing	up - down	increasing
2007	03	20	Rain	Tall to Borderline	22:30	7	11.3	SW	--	1.6	--	--	increasing	decreasing	increasing	increasing	increasing	increasing
2007	03	28	Virga to Rain	Tall to Borderline	22:00	9	13.8	SE	--	2.1	--	--	down - up	decreasing	up - down	increasing	flat	flat
2007	04	01	Virga to Rain	Tall	09:30	8.5	14.4	SE	--	2.0	--	--	up - down	increasing	down - up	up - down	decreasing	flat
2007	04	11	Virga to Rain	Tall	03:00	10	4.8	SE	--	4.2	--	--	up - down	decreasing	up - down	increasing	decreasing	decreasing
2007	04	11	Rain	Tall to Borderline	19:30	9.5	9.3	SE	--	3.8	--	--	increasing	decreasing	increasing	increasing	decreasing	flat
2007	04	14	Rain to Snow	Tall to Borderline	00:30	52.5	7.0	SW	NW	3.9	4.4	0.48	down - up	up - down	up - down	increasing	increasing	decreasing
2007	04	18	Virga to Rain	Tall to Borderline	09:30	22.5	10.6	W	--	2.5	--	--	increasing	up - down	down - up	increasing	decreasing	flat
2007	04	19	Rain	Tall to Shallow	16:00	7.5	7.0	S	--	2.5	--	--	up - down	decreasing	increasing	flat	increasing	increasing
2007	04	26	Rain	Tall to Borderline	16:30	7.5	15.4	SE	--	3.2	--	--	down - up	decreasing	up - down	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