Document ID: EPA-HQ-OAR-2003-0061-0474
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2004-10-07T04:00Z

New
Jersey
Department
of
Environmental
Protection
Response
to
the
USEPA's
June
29,
2004,
Modifications
to
New
Jersey's
Annual
Fine
Particulate
Matter
(
PM2.5)
Nonattainment
Area
Recommendation
Appendix
A
­
Backward
wind
trajectories
from
Philadelphia,
Pa.
on
the
highest
days
of
measured
particulate
levels
September
29,
2004
Appendix
A
­
1
°
Four
Days
of
Twenty
Two
where
wind
patterns
could
be
from
New
Jersey
to
Philadelphia,
PA.

°
Note
that
only
on
one
of
these
four
days
(
January
30,
2003)
does
the
surface
and
upper
air
winds
cross
only
through
New
Jersey.

°
Note:
Starting
time
adjusted
for
Daylight
Savings
time.

°
Backward
trajectories
start
at
midnight
of
the
day
of
measured
high
particulate
in
Philadelphia,
PA.
Appendix
1B
°
The
following
HYSPLIT
maps
are
the
remaining
18
days
of
high
particulate
levels
in
Philadelphia
that
do
not
pass
through
New
Jersey.

°
These
trajectories
are
exactly
as
provided
to
NJDEP
by
USEPA
on
7­
14­
04
°
Starting
times
are
at
9
p.
m.
of
the
day
of
high
particulate
levels
in
Philadelphia,
PA
as
provided
by
the
USEPA.

°
Changing
the
starting
time
to
midnight
of
the
high
particulate
day
will
not
significantly
change
the
trajectory.
Wind
Roses
from
Philadelphia,

PA.

°
7
years
of
wind
roses
from
Philadelphia
Airport
°
Shows
Predominant
wind
is
from
Pennsylvania
to
New
Jersey
Wind
Rose
Philadelphia
1992
N
S
W
E
No
observations
were
missing.

Wind
flow
is
FROM
the
directions
shown.

Rings
drawn
at
5%
intervals.

Calms
included
at
center.

0.75
5.89
4.02
7.23
10.18
9.10
10.42
9.35
5.68
4.62
3.37
5.29
9.71
4.85
2.80
2.57
4.18
Wind
Speed
(
Meters
Per
Second)

0.1
3
6
9
12
15
Wind
Rose
Philadelpia
1991
N
S
W
E
No
observations
were
missing.

Wind
flow
is
FROM
the
directions
shown.

Rings
drawn
at
5%
intervals.

Calms
included
at
center.

1.76
4.37
4.85
12.69
11.44
10.26
9.09
8.76
6.56
4.44
3.08
2.97
5.30
4.34
2.69
2.99
4.41
Wind
Speed
(
Meters
Per
Second)

0.1
3
6
9
12
15
Wind
Rose
Philadelphia
1993
N
S
W
E
No
observations
were
missing.

Wind
flow
is
FROM
the
directions
shown.

Rings
drawn
at
5%
intervals.

Calms
included
at
center.

1.69
5.33
3.54
5.98
9.22
8.81
11.60
10.00
6.55
5.70
3.34
3.63
6.68
5.56
4.35
4.21
3.80
Wind
Speed
(
Meters
Per
Second)

0.1
3
6
9
12
15
Wind
Rose
Philadelphia
1994
N
S
W
E
No
observations
were
missing.

Wind
flow
is
FROM
the
directions
shown.

Rings
drawn
at
5%
intervals.

Calms
included
at
center.

3.07
5.78
5.67
10.29
10.55
8.72
10.56
9.28
6.76
5.40
2.96
3.88
5.00
3.76
2.35
2.64
3.34
Wind
Speed
(
Meters
Per
Second)

0.1
3
6
9
12
15
Wind
Rose
Philadelphia
1995
N
S
W
E
No
observations
were
missing.

Wind
flow
is
FROM
the
directions
shown.

Rings
drawn
at
5%
intervals.

Calms
included
at
center.

2.93
6.86
4.55
10.38
9.68
8.93
9.01
8.53
5.99
4.85
2.84
4.69
8.11
3.80
2.24
2.89
3.72
Wind
Speed
(
Meters
Per
Second)

0.1
3
6
9
12
15