Storm Summary with Tall Vertical Profile (AGL) of the 2005-2006 Winter Season (November - March) - 10 Storms

Portland International Airport Weather Station, Oregon (45°35'N , 122°36'W / Elevation: 5.8 m)

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Storm Summary of 2005-2006 Winter Season (November - March)

Storm Summary of 2006-2007 Winter Season (November - March)

Storm Summary of 2007-2008 Winter Season (November - March)

Storm Summary of 2008-2009 Winter Season (December - March)

Storm Summary of 2010-2011 Winter Season (November - March)

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

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

* = 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
Virga to Rain
Rain to Virga
Rain/Snow
Virga to Rain to Virga
Rain to Virga to Rain
Virga
Continuity
Continuous
Scattered
Average
All
Page
Temp. (°C)
7.38
6.99
RH (%)
80.0
80.9
Wind Direction
161°
130°
Wind Speed (m/s)
9.9
12.2
Pressure (hPa)
1014
1014
Precipitation (in)
0.70
1.52
AGL
Tall
Tall to Borderline
Tall to Shallow
Borderline
Borderline to Shallow
Borderline to Tall
Borderline to Tall to Borderline
Shallow
Shallow to Borderline to Shallow
Shallow to Tall to Borderline
Total Precipitation (in.)
10.63
Avg. Duration (hrs)
30.70
Trends
Wind Direction
Temperature
RH
Pressure
Year
Month
Day
Type
Continuity
Start Time (UTC)
Duration (hrs)
Avg. Temp. (°C)
Avg.
At Storm Maturity
Wind Speed (m/s)
Precip. (in)
before*
during
before*
during
before*
during
2005
12
18
Rain/Snow
Scattered
21:00
32
0.9
E
E
22.3
0.31
increasing
down - up
flat
down - up
decreasing
increasing
2005
12
20
Rain
Scattered
11:00
58
4.7
SE
E
15.1
2.49
increasing
increasing
decreasing
increasing
decreasing
up - down
2005
12
23
Virga to Rain
Scattered
16:30
9.5
8.6
SE
SE
10.7
0.05
decreasing
increasing
up - down
down - up
increasing
decreasing
2005
12
25
Rain
Scattered
01:00
68
9.6
SE
E
12.5
0.90
up - down
up - down
decreasing
down - up
decreasing
down - up
2005
12
30
Rain
Scattered
0:00
35
6.1
SE
SE
14.8
2.60
up - down
down - up
decreasing
increasing
decreasing
decreasing
2006
01
05
Rain
Scattered
20:30
51
7.9
SE
E
10.9
2.62
decreasing
up - down
flat
up - down
up - down
down - up
2006
01
16
Virga to Rain
Scattered
06:30
41.5
7.0
SE
SE
12.3
1.66
decreasing
up - down
down - up
down - up
flat
decreasing
2006
01
22
Virga
Scattered
16:00
1
6.1
S
S
3.0
--
flat
flat
increasing
flat
increasing
increasing
2006
02
26
Virga
Scattered
07:00
2
6.5
E
E
8.0
--
decreasing
decreasing
increasing
up - down
decreasing
decreasing
2006
03
28
Rain
Scattered
04:30
9
12.5
SE
S
12.1
none
decreasing
decreasing
flat
increasing
decreasing
increasing

Version 1, 14 August 2012

web page credits: Micheal Tai Bryant, Sandra Yuter

This research is a collaboration by the
Department of Marine, Earth, and Atmospheric Sciences, North Carolina 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