Storm Summary with Tall Vertical Profile (AGL) of the 2006-2007 Winter Season (November - March) - 9 Storms

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

Home

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
Freezing Rain/Snow
Virga to Rain to Virga
Rain to Virga to Rain
Virga
Unknown
Continuity
Continuous
Scattered
Average
All
Page
Temp. (°C)
7.28
7.88
RH (%)
78.8
70.4
Wind Direction
165°
152°
Wind Speed (m/s)
8.6
8.5
Pressure (hPa)
1019
1019
Precipitation (in)
0.59
0.87
Total Precipitation (in.)
4.34
AGL
Tall
Tall to Borderline
Tall to Borderline to Tall
Tall to Shallow to Borderline / Tall
Tall to Shallow
Borderline
Borderline to Shallow
Borderline to Tall to Shallow
Borderline to Tall to Borderline
Shallow
Shallow to Borderline to (Shallow)
Shallow to Tall to Shallow
Shallow to Tall to Borderline
Avg. Duration (hrs)
24.00
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
2006
12
05
Virga
Continuous
02:30
1
3.9
E
E
5.3
--
up - down
flat
down - up
flat
decreasing
down - up
2006
12
09
Virga to Rain to Virga
Continuous
05:30
17
5.1
SE
SE
11.1
0.22
decreasing
increasing
increasing
up - down
decreasing
increasing
2006
12
10
Rain
Scattered
15:00
51
9.2
SE
SE
13.8
1.00
flat
up - down
decreasing
increasing
increasing
increasing
2006
12
13
Rain
Scattered
00:30
71.5
8.6
S
SE
13.7
2.51
up - down
up - down
down - up
down - up
decreasing
down - up
2006
12
30
Virga
Scattered
22:30
5
3.1
SE
SE
8.4
--
increasing
decreasing
decreasing
flat
decreasing
down - up
2007
01
02
Virga to Rain to Virga
Continuous
15:30
34
12.8
S
SE
13.1
0.60
increasing
decreasing
decreasing
up - down
decreasing
up - down
2007
02
01
Virga to Rain
Scattered
23:00
31
2.9
SE
SE
4.3
0.01
increasing
down - up
decreasing
up - down
up - down
flat
2007
03
15
Rain
Continuous
21:30
1
12.0
NE
NE
1.0
none
increasing
increasing
decreasing
decreasing
decreasing
decreasing
2007
03
22
Virga to Rain
Scattered
22:30
4.5
13.3
NW
N
6.0
none
increasing
decreasing
decreasing
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