Storm Summary with Tall to Shallow Vertical Profile (AGL) of the 2007-2008 Winter Season (November - April) - 13 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 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
Rain to Virga (to Rain)
Virga to Rain (to Virga)
Rain/Virga
Rain to Snow
Snow (to Virga)
Virga (to Rain) to Snow
Virga (to Snow to Virga)
Continuity
Continuous
Scattered
Continuous (Snow)
Scattered (Snow)
AGL
Tall
Tall to Borderline
Tall to Shallow
Borderline
Borderline to Shallow
Borderline to Tall
Shallow (to Tall)
Average
All
Page
Temp. (°C)
5.1
4.3
Wind Direction
218°
227°
Wind Speed (m/s)
3.3
3.5
Duration (hrs)
14.8
24.5
Snowfall (in) *
0.33
1.9
Trends
Wind Direction
Temperature
RH
Pressure
Year
Month
Day
Type
Continuity
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
11
14
Rain to Snow
Scattered
23:00
25
4.7
SW
NW
3.5
0.1
0.01
increasing
decreasing
decreasing
up - down
decreasing
down - up
2007
11
22
Rain to Snow
Scattered
00:30
25
9.4
SW
NW
2.2
trace
0.02
decreasing
decreasing
increasing
increasing
decreasing
down - up
2007
11
26
Rain
Scattered
09:30
27
10.0
SW
--
3.5
--
--
increasing
decreasing
flat
flat
decreasing
down - up
2007
12
15
Rain to Snow
Scattered
20:00
33.5
-1.9
SE
S
4.8
4.1
0.11
decreasing
decreasing
increasing
decreasing
decreasing
down - up
2007
12
30
Rain to Virga to Rain
Scattered
13:00
13
5.0
SW
--
2.4
--
--
flat
up - down
increasing
increasing
decreasing
decreasing
2008
1
9
Virga to Rain
Scattered
5:00
7
11.1
SE
--
3.5
--
--
increasing
up - down
flat
increasing
decreasing
increasing
2008
1
13
Virga to Rain to Snow
Scattered
13:00
28
-0.8
SW
NW
3.0
0.6
0.04
decreasing
decreasing
increasing
decreasing
decreasing
flat
2008
2
24
Virga to Rain/Freezing Rain
Continuous
15:00
14
1.4
S
--
1.9
--
--
increasing
decreasing
decreasing
down - up
increasing
decreasing
2008
2
26
Virga to Rain to Snow
Scattered
4:30
63
-4.3
W
NW
4.4
8.3
0.39
decreasing
decreasing
increasing
up - down
decreasing
increasing
2008
3
4
Rain to Light Snow
Continuous
12:00
24
6.8
SW
NW
4.0
trace
0.01
increasing
decreasing
increasing
flat
decreasing
down - up
2008
3
8
Rain to Snow
Scattered
1:30
25.5
0.6
SW
NW
4.4
1.5
0.11
increasing
increasing
increasing
decreasing
decreasing
increasing
2008
3
15
Rain
Scattered
16:30
12
7.1
SW
--
2.9
--
--
increasing
decreasing
decreasing
increasing
flat
down - up
2008
3
19
Rain to Snow
Scattered
15:30
21
6.2
SW
NW
4.6
0.7
0.17
increasing
decreasing
down - up
down - up
decreasing
down - up

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

contacts:
Dr. Sandra Yuter seyuter@ncsu.edu

Dr. L. Baker Perry perrylb@appstate.edu