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

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

Cells under bellow columb are general trend 24 hours before storm

Storm Summary
Rain
Virga to Rain
Rain to Snow
Snow
Virga to Snow
Virga to Snow to Rain to Snow
Virga
Continuity
Continuous
Scattered
Continuous (Snow)
Scattered (Snow)
AGL
Tall
Tall to Borderline
Tall to Shallow
Borderline
Borderline to Shallow
Shallow
Shallow to Tall

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
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
01
09
Tall to Borderline
Scattered
12:30
15.5
1.4
NW
NW
4.1
4.0
0.27
decreasing
decreasing
decreasing
increasing
decreasing
increasing
2007
02
01
Tall
Scattered
03:00
15
-5.2
SE
SE
2.0
1.8
0.12
increasing
decreasing
decreasing
increasing
decreasing
decreasing
2007
02
04
Borderline
Continuous
13:00
5.5
-5.4
W
NW
4.4
0.4
0.01
increasing
decreasing
decreasing
increasing
increasing
flat
2007
02
09
Tall to Borderline
Continuous
17:00
6
-6.1
NW
NW
2.8
0.2
0.01
increasing
decreasing
decreasing
increasing
flat
flat
2007
02
17
Tall to Shallow
Scattered
11:00
36
-7.3
SW
NW
3.6
5.5
0.23
increasing
increasing
decreasing
increasing
decreasing
increasing

Version 1.2, 13 November 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

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