Storm Summary with Scattered Profile of 2005-2006 Winter Season (November - March) - 53 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, or mixed cases Grey highlighted rows: Virga or mix of virga and rain, no snow
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Trends |
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Wind Direction |
Temperature |
RH |
Pressure |
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Year |
Month |
Day |
Type |
AGL |
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 |
11 |
Virga to Rain |
Tall to Borderline |
19:00 |
46 |
5.1 |
S |
SE |
7.3 |
1.39 |
increasing |
up - down |
decreasing |
up - down |
decreasing |
down - up |
|
2005 |
11 |
Rain to Virga to Rain |
Borderline to Tall to Borderline |
23:30 |
14.5 |
4.6 |
SE |
SW |
6.6 |
0.05 |
increasing |
decreasing |
decreasing |
increasing |
increasing |
down - up |
|
2005 |
11 |
Virga to Rain |
Borderline to Tall |
19:00 |
29 |
4.9 |
S |
S |
15.6 |
0.34 |
increasing |
down - up |
decreasing |
increasing |
decreasing |
down - up |
|
2005 |
12 |
Virga to Rain |
Tall to Shallow |
08:00 |
72 |
4.4 |
S |
S |
10.8 |
1.43 |
decreasing |
down - up |
increasing |
flat |
decreasing |
increasing |
|
2005 |
12 |
Rain/Snow |
Tall |
21:00 |
32 |
0.9 |
E |
E |
22.3 |
0.31 |
increasing |
down - up |
flat |
down - up |
decreasing |
increasing |
|
2005 |
12 |
Rain |
Tall |
11:00 |
58 |
4.7 |
SE |
E |
15.1 |
2.49 |
increasing |
increasing |
decreasing |
increasing |
decreasing |
up - down |
|
2005 |
12 |
Rain |
Borderline |
7:00 |
1.5 |
11.5 |
S |
S |
2.8 |
none |
increasing |
increasing |
decreasing |
decreasing |
increasing |
increasing |
|
2005 |
12 |
Virga to Rain |
Tall |
16:30 |
9.5 |
8.6 |
SE |
SE |
10.7 |
0.05 |
decreasing |
increasing |
up - down |
down - up |
increasing |
decreasing |
|
2005 |
12 |
Rain |
Tall |
01:00 |
68 |
9.6 |
SE |
E |
12.5 |
0.90 |
up - down |
up - down |
decreasing |
down - up |
decreasing |
down - up |
|
2005 |
12 |
Virga to Rain |
Tall to Shallow |
02:30 |
36.5 |
8.6 |
SE |
SE |
11.5 |
1.79 |
decreasing |
up - down |
flat |
down - up |
decreasing |
down - up |
|
2005 |
12 |
Rain |
Tall |
0:00 |
35 |
6.1 |
SE |
SE |
14.8 |
2.60 |
up - down |
down - up |
decreasing |
increasing |
decreasing |
decreasing |
|
2005 |
12 |
Rain |
Tall to Borderline |
19:00 |
51 |
8.0 |
SE |
E |
10.7 |
0.52 |
decreasing |
up - down |
increasing |
down - up |
increasing |
increasing |
|
2006 |
01 |
Virga |
Borderline |
22:30 |
3.5 |
8.9 |
SE |
SE |
15.6 |
-- |
increasing |
flat |
decreasing |
up - down |
decreasing |
decreasing |
|
2006 |
01 |
Rain |
Tall |
20:30 |
51 |
7.9 |
SE |
E |
10.9 |
2.62 |
decreasing |
up - down |
flat |
up - down |
up - down |
down - up |
|
2006 |
01 |
Rain |
Bordline to Tall |
16:30 |
87 |
9.4 |
S |
SW |
11.7 |
3.11 |
flat |
up - down |
increasing |
down - up |
increasing |
down - up |
|
2006 |
01 |
Rain |
Tall to Shallow to Borderline |
13:00 |
60.5 |
7.1 |
SE |
SE |
9.5 |
1.26 |
decreasing |
up - down |
flat |
decreasing |
up - down |
decreasing |
|
2006 |
01 |
Rain |
Borderline to Tall to Borderline |
07:00 |
18 |
4.8 |
S |
SE |
6.2 |
0.07 |
increasing |
decreasing |
increasing |
decreasing |
increasing |
increasing |
|
2006 |
01 |
Virga to Rain |
Tall |
06:30 |
41.5 |
7.0 |
SE |
SE |
12.3 |
1.66 |
decreasing |
up - down |
down - up |
down - up |
flat |
decreasing |
|
2006 |
01 |
Rain to Virga |
Borderline to Tall to Borderline |
07:00 |
10 |
6.5 |
SE |
SE |
7.4 |
0.18 |
down - up |
increasing |
increasing |
up - down |
flat |
decreasing |
|
2006 |
01 |
Rain |
Shallowto Tall to Borderline |
07:30 |
41 |
7.7 |
S |
S |
8.3 |
0.57 |
decreasing |
up - down |
increasing |
flat |
increasing |
down - up |
|
2006 |
01 |
Virga to Rain |
Shallow to Borderline |
13:30 |
11 |
7.5 |
S |
S |
7.1 |
0.06 |
flat |
increasing |
increasing |
flat |
increasing |
increasing |
|
2006 |
01 |
Virga |
Tall |
16:00 |
1 |
6.1 |
S |
S |
3.0 |
-- |
flat |
flat |
increasing |
flat |
increasing |
increasing |
|
2006 |
01 |
Rain |
Shallow to Tall to Shallow |
18:00 |
16 |
6.9 |
S |
SE |
9.7 |
0.23 |
flat |
flat |
increasing |
up - down |
increasing |
increasing |
|
2006 |
01 |
Rain |
Borderline to Tall to Borderline |
17:00 |
59.5 |
7.0 |
S |
SE |
13.5 |
1.16 |
flat |
increasing |
decreasing |
flat |
flat |
down - up |
|
2006 |
01 |
Rain |
Borderline to Tall to Borderline |
11:00 |
38 |
9.5 |
S |
E |
14.2 |
1.93 |
flat |
increasing |
flat |
decreasing |
increasing |
down - up |
|
2006 |
02 |
Rain |
Shallow |
14:30 |
1.5 |
8.9 |
S |
S |
14.0 |
none |
increasing |
flat |
decreasing |
flat |
increasing |
increasing |
|
2006 |
02 |
Rain |
Shallow to Tall |
03:00 |
21.5 |
10.2 |
S |
S |
9.8 |
0.39 |
up - down |
down - up |
down - up |
increasing |
decreasing |
increasing |
|
2006 |
02 |
Rain |
Tall to Shallow |
15:00 |
39 |
8.5 |
S |
S |
13.6 |
0.60 |
flat |
up - down |
flat |
decreasing |
up - down |
down - up |
|
2006 |
02 |
Virga to Rain to Virga |
Borderline |
12:30 |
6 |
7.0 |
SW |
SE |
3.9 |
none |
decreasing |
flat |
increasing |
flat |
increasing |
increasing |
|
2006 |
02 |
Virga to Rain to Virga |
Shallow to Borderline to Shallow |
08:00 |
5 |
6.4 |
SE |
SE |
9.0 |
none |
decreasing |
flat |
increasing |
down - up |
increasing |
increasing |
|
2006 |
02 |
Rain |
Borderline to Shallow |
13:00 |
8 |
6.2 |
SE |
SE |
2.4 |
0.07 |
down - up |
increasing |
up - down |
up - down |
decreasing |
up - down |
|
2006 |
02 |
Rain to Virga |
Borderline to Tall |
11:30 |
14 |
3.9 |
SW |
SW |
3.8 |
0.12 |
down - up |
increasing |
increasing |
up - down |
decreasing |
decreasing |
|
2006 |
02 |
Virga to Rain |
Shallow |
00:00 |
40 |
4.3 |
SW |
NE |
2.4 |
0.08 |
increasing |
increasing |
down - up |
increasing |
decreasing |
down - up |
|
2006 |
02 |
Rain |
Borderline to Tall to Borderline |
04:30 |
24 |
7.9 |
SW |
NW |
9.4 |
0.09 |
flat |
up - down |
flat |
down - up |
decreasing |
down - up |
|
2006 |
02 |
Virga |
Tall |
07:00 |
2 |
6.5 |
E |
E |
8.0 |
-- |
decreasing |
decreasing |
increasing |
up - down |
decreasing |
decreasing |
|
2006 |
02 |
Virga to Rain |
Tall to Borderline |
17:30 |
87 |
6.8 |
S |
SW |
7.8 |
1.21 |
decreasing |
down - up |
decreasing |
increasing |
decreasing |
down - up |
|
2006 |
03 |
Virga to Rain |
Tall to Borderline |
03:00 |
17 |
9.3 |
SE |
E |
18.2 |
none |
flat |
decreasing |
flat |
increasing |
decreasing |
increasing |
|
2006 |
03 |
Virga to Rain |
Borderline to Shallow |
00:00 |
12 |
8.6 |
S |
S |
13.0 |
0.01 |
up - down |
decreasing |
down - up |
increasing |
down - up |
increasing |
|
2006 |
03 |
Virga to Rain |
Borderline to Tall |
07:30 |
42 |
8.6 |
S |
SW |
10.6 |
0.23 |
decreasing |
up - down |
increasing |
increasing |
decreasing |
increasing |
|
2006 |
03 |
Rain |
Borderline to Tall to Borderline |
11:00 |
46 |
3.6 |
S |
SW |
11.5 |
1.35 |
down - up |
up - down |
up - down |
increasing |
up - down |
decreasing |
|
2006 |
03 |
Rain |
Shallow to Tall |
15:00 |
10.5 |
4.0 |
SE |
E |
11.6 |
0.06 |
flat |
increasing |
down - up |
decreasing |
decreasing |
increasing |
|
2006 |
03 |
Rain |
Shallow to Tall to Shallow |
21:30 |
20 |
3.9 |
SW |
NW |
4.0 |
0.25 |
increasing |
down - up |
decreasing |
increasing |
increasing |
increasing |
|
2006 |
03 |
Virga to Rain |
Borderline |
22:30 |
7 |
8.9 |
SE |
SE |
15.3 |
0.01 |
increasing |
decreasing |
decreasing |
increasing |
decreasing |
decreasing |
|
2006 |
03 |
Rain |
Borderline to Tall to Borderline |
14:00 |
15 |
6.7 |
SE |
SW |
7.2 |
0.12 |
increasing |
down - up |
increasing |
down - up |
flat |
increasing |
|
2006 |
03 |
Rain to Virga to Rain |
Borderline |
14:00 |
5.5 |
6.4 |
SE |
E |
13.9 |
0.03 |
down - up |
increasing |
flat |
decreasing |
down - up |
increasing |
|
2006 |
03 |
Rain |
Borderline to Tall to Shallow |
04:00 |
54 |
7.3 |
S |
SE |
10.7 |
0.58 |
up - down |
up - down |
down - up |
decreasing |
decreasing |
down - up |
|
2006 |
03 |
Rain to Virga |
Borderline |
04:00 |
52 |
9.2 |
SE |
SE |
8.5 |
0.19 |
decreasing |
down - up |
down - up |
up - down |
down - up |
increasing |
|
2006 |
03 |
Virga to Rain |
Tall to Shallow |
18:00 |
36 |
11.4 |
S |
SE |
10.5 |
0.28 |
increasing |
decreasing |
decreasing |
increasing |
decreasing |
down - up |
|
2006 |
03 |
Virga to Rain |
Borderline to Tall to Borderline |
18:00 |
8 |
8.3 |
W |
SW |
6.7 |
0.21 |
flat |
up - down |
up - down |
flat |
decreasing |
increasing |
|
2006 |
03 |
Rain |
Tall |
04:30 |
9 |
12.5 |
SE |
S |
12.1 |
none |
decreasing |
decreasing |
flat |
increasing |
decreasing |
increasing |
|
2006 |
03 |
Virga to Rain |
Tall to Shallow |
00:00 |
7 |
15.4 |
SE |
NW |
6.8 |
none |
increasing |
decreasing |
decreasing |
increasing |
decreasing |
down - up |
|
2006 |
03 |
Rain |
Shallow to Borderline to Shallow |
14:30 |
17.5 |
8.6 |
SE |
E |
6.1 |
0.15 |
decreasing |
up - down |
up - down |
increasing |
increasing |
increasing |
|
2006 |
03 |
Rain |
Shallow to Borderline to Shallow |
17:30 |
17 |
10.1 |
SE |
W |
5.7 |
0.16 |
increasing |
up - down |
decreasing |
down - up |
flat |
decreasing |
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