Unknown Storm Summary of 2006-2007 Winter Season (November - March) - 6 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)

* = 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
6.90
RH (%)
78.8
65.3
Wind Direction
165°
143°
Wind Speed (m/s)
8.6
7.9
Pressure (hPa)
1019
1022
Precipitation (in)
0.59
0.31
Total Precipitation (in.)
1.85
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)
9.33
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)
Precip. (in)
before*
during
before*
during
before*
during
2006
11
01
Unknown
Unknown
16:00
2
8.3
E
Unknown
19.8
0.01
flat
increasing
increasing
decreasing
decreasing
decreasing
2006
12
02
Unknown
Unknown
20:00
2
7.0
SE
Unknown
8.3
0.01
increasing
increasing
decreasing
decreasing
decreasing
decreasing
2006
12
05
Unknown
Unknown
22:00
2
7.9
SE
Unknown
0.0
0.01
increasing
flat
decreasing
flat
decreasing
flat
2006
12
16
Unknown
Unknown
18:00
2
3.0
SE
Unknown
9.0
0.01
down - up
increasing
up - down
decreasing
decreasing
decreasing
2006
12
19
Unknown
Unknown
20:00
2
3.5
SW
Unknown
4.3
0.01
increasing
increasing
decreasing
decreasing
decreasing
decreasing
2007
03
23
Unknown
Unknown
22:00
46
11.7
S
Unknown
5.9
1.80
increasing
up - down
decreasing
up - down
decreasing
down - up

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