Storm Summary with Shallow Vertical Profile (AGL) of the 2006-2007 Winter Season (November - March) - 3 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)

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

2/18: Tall to Shallow to Borderline

1/7 & 2/19: Tall to Shallow to Tall

* = 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
7.19
RH (%)
78.8
78.1
Wind Direction
165°
179°
Wind Speed (m/s)
8.6
4.9
Pressure (hPa)
1019
1027
Precipitation (in)
0.59
0.01
Total Precipitation (in.)
0.04
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)
8.11
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
11
16
Rain
Scattered
16:00
10.5
10.1
SE
SW
5.7
none
flat
increasing
flat
decreasing
increasing
increasing
2006
11
25
Rain
Scattered
11:00
1.5
5.1
W
W
6.3
none
down - up
up - down
up - down
decreasing
increasing
increasing
2006
12
01
Rain to Virga
Scattered
09:30
16
4.5
SW
NW
2.1
none
decreasing
increasing
increasing
decreasing
increasing
up - down
2006
12
29
Virga to Rain
Scattered
20:30
2.5
4.6
SW
SW
12.4
none
down - up
decreasing
up - down
increasing
increasing
increasing
2007
01
08
Virga to Rain
Continuous
19:00
2.5
6.2
E
E
1.1
0.02
increasing
up - down
increasing
down - up
up - down
decreasing
2007
01
20
Rain
Scattered
22:00
5.5
6.5
SE
NE
3.1
0.01
increasing
decreasing
decreasing
increasing
up - down
increasing
2007
01
20
Rain
Scattered
22:00
5.5
6.5
SE
NE
3.1
0.01
increasing
decreasing
decreasing
increasing
up - down
increasing
2007
03
14
Rain
Scattered
18:00
24.5
8.2
S
SW
2.3
0.01
down - up
up - down
up - down
increasing
increasing
down - up
2007
03
18
Rain
Continuous
16:00
2
14.3
SW
SW
8.4
none
flat
increasing
increasing
decreasing
flat
increasing
2007
03
28
Rain
Scattered
07:30
8
5.2
SW
SW
2.5
none
decreasing
up - down
increasing
increasing
increasing
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