Transcript ILRN-NEPacific-Winter0405.ppt

Winter 2004-2005
ILRN Flashes in NE Pacific
ICAO Region M
©Vaisala | date | Ref. code | Page 1
September 2004
ILRN Flashes in NE Pacific
ICAO Region M
©Vaisala | date | Ref. code | Page 2
01 Sept 04 - 1045 UTC
Numerous
flashes as
low enters
B.C. coast.
©Vaisala | date | Ref. code | Page 3
October 2004
ILRN Flashes in NE Pacific
ICAO Region M
©Vaisala | date | Ref. code | Page 4
05 Oct 04 - 1215 UTC
Flashes in
low NE of
Hawaii, cloud
clusters
along
equatorial
trough, and
cold low W of
B.C.
©Vaisala | date | Ref. code | Page 5
06 Oct 04 - 0545 UTC
Some flashes
NE of Hawaii,
and moderate
flash activity
E of low
entering B.C.
©Vaisala | date | Ref. code | Page 6
25 Oct 04 #1 - 1115 UTC
Numerous
short SW-NE
lines over
Hawaiian
islands;
some flashes
in S-N line W
of Seattle.
©Vaisala | date | Ref. code | Page 7
25 Oct 04 #2 - 1445 UTC
Continued
scattered
flashes
around
islands;
organized
SW-NE line
west of
Oregon.
©Vaisala | date | Ref. code | Page 8
26 Oct 04 - 0615 UTC
Continued
isolated
flashes
around
islands; short
SW-NE line
west of
northern
California.
©Vaisala | date | Ref. code | Page 9
27 Oct 04 - 1045 UTC
Flashes in
and S of low
just W of
northern
California.
©Vaisala | date | Ref. code | Page 10
November 2004
ILRN Flashes in NE Pacific
ICAO Region M
No Events of Note
©Vaisala | date | Ref. code | Page 11
December 2004
ILRN Flashes in NE Pacific
ICAO Region M
©Vaisala | date | Ref. code | Page 12
12 Dec 04 - 1015 UTC
One area of
flashes in
trough NNE
of Hawaii,
and another
on E side of
low NW of
Hawaii.
©Vaisala | date | Ref. code | Page 13
13 Dec 04 #1 - 0445 UTC
Frequent
flashes SE of
low located
to NW of
Hawaii.
©Vaisala | date | Ref. code | Page 14
13 Dec 04 #2 - 1145 UTC
Multiple
active flash
areas within
and ahead of
low NW to N
of Hawaii.
©Vaisala | date | Ref. code | Page 15
13 Dec 04 #3 - 2345 UTC
SW-NE
curved line
of flashes N
of Hawaii.
©Vaisala | date | Ref. code | Page 16
14 Dec 04 #1 - 0815 UTC
Two major
and several
minor SWNE lines
associated
with low N of
Hawaii.
©Vaisala | date | Ref. code | Page 17
14 Dec 04 #2 - 2045 UTC
Several SWNE lines of
flashes N to
NE of
Hawaii.
©Vaisala | date | Ref. code | Page 18
15 Dec 04 #1 - 0915 UTC
Several
short lines of
flashes in
major trough
NE of
Hawaii, and
in new low to
NW.
©Vaisala | date | Ref. code | Page 19
15 Dec 04 #2 - 2315 UTC
Scattered
flashes
within and
ahead of low
to NW of
Hawaii.
©Vaisala | date | Ref. code | Page 20
16 Dec 04 #1 - 1045 UTC
Several lines
of flashes in
minor trough
NW to N of
Hawaii.
©Vaisala | date | Ref. code | Page 21
16 Dec 04 #2 - 1515 UTC
Several long
lines of
flashes
continue NW
to N of
Hawaii.
©Vaisala | date | Ref. code | Page 22
17 Dec 04 - 0445 UTC
Two long
lines of
flashes
continue N
of Hawaii.
©Vaisala | date | Ref. code | Page 23
18 Dec 04 - 1415 UTC
Some
flashes in
low to NW of
Hawaii.
©Vaisala | date | Ref. code | Page 24
19 Dec 04 #1 - 1015 UTC
Several
short lines of
flashes to SE
of low
located NW
of Hawaii.
©Vaisala | date | Ref. code | Page 25
19 Dec 04 #2 - 1515 UTC
Clusters and
areas of
flashes
within and
around low
NW of
Hawaii.
©Vaisala | date | Ref. code | Page 26
January 2005
ILRN Flashes in NE Pacific
ICAO Region M
©Vaisala | date | Ref. code | Page 27
11 Jan 05 - 1245 UTC
Continued
complex
pattern of
flashes.
Four centers
at this time
from N to SE
of Hawaii.
©Vaisala | date | Ref. code | Page 28
12 Jan 05 - 0715 UTC
Continued
flashes from
N to NE of
Hawaii;
some in
semicircle.
©Vaisala | date | Ref. code | Page 29
13 Jan 05 #1 - 1145 UTC
Series of
small
disturbances
in SW-NE
orientation
to NE of
Hawaii
developed
into long
line.
©Vaisala | date | Ref. code | Page 30
13 Jan 05 #2 - 1345 UTC
Long line of
imbedded
disturbances
continue to
cover region
with
moderate
flash activity.
©Vaisala | date | Ref. code | Page 31
14 Jan 05 #1 - 0715 UTC
Continued
disturbances
NE of Hawaii
developed
into long
line; one has
semicircular
shape.
©Vaisala | date | Ref. code | Page 32
14 Jan 05 #2 - 1215 UTC
End of
extensive
flash activity
from
prolonged
period in
disturbances
NE of
Hawaii.
©Vaisala | date | Ref. code | Page 33
15 Jan 05 #1 - 1045 UTC
Three new
separate
disturbances
with flashes
formed NW
to NE of
Hawaii.
©Vaisala | date | Ref. code | Page 34
15 Jan 05 #2 - 1315 UTC
Three
distinct
disturbances
and cold
pool flashes
NW to NE of
Hawaii.
©Vaisala | date | Ref. code | Page 35
16 Jan 05 - 0945 UTC
Several SWNE lines of
flashes in
cold pool N
of Hawaii.
©Vaisala | date | Ref. code | Page 36
17 Jan 05 - 0815 UTC
Long line of
moderate
flashes NE
of Hawaii.
©Vaisala | date | Ref. code | Page 37
26 Jan 05 #1 - 1215 UTC
Small cluster
of flashes W
of northern
California.
©Vaisala | date | Ref. code | Page 38
26 Jan 05 #2 - 2345 UTC
Small
clusters of
flashes W of
northern
California.
©Vaisala | date | Ref. code | Page 39
27 Jan 05 #1 - 0315 UTC
Moderate to
strong
cluster with
curvature W
of northern
California.
©Vaisala | date | Ref. code | Page 40
27 Jan 05 #2 - 1145 UTC
Moderate
cluster with
several
lightning
centers
continues W
of Northern
California.
©Vaisala | date | Ref. code | Page 41
February 2005
ILRN Flashes in NE Pacific
ICAO Region M
©Vaisala | date | Ref. code | Page 42
26 Feb 05 #1 - 0845 UTC
Long line
of
scattered
flashes NW
of Hawaii,
and cluster
NE of
Hawaii.
©Vaisala | date | Ref. code | Page 43
26 Feb 05 #2 - 1945 UTC
Cluster of
flashes on
SE side of
low W of
San
Francisco.
©Vaisala | date | Ref. code | Page 44
27 Feb 05 - 0345 UTC
Strong line
of flashes
lasts
several
hours on E
side of low
to W of
San
Francisco.
©Vaisala | date | Ref. code | Page 45
March 2005
ILRN Flashes in NE Pacific
ICAO Region M
©Vaisala | date | Ref. code | Page 46
04 Mar 05 - 0815 UTC
Disperse
area of
flashes in
complex
system NW
of Hawaii.
©Vaisala | date | Ref. code | Page 47
05 Mar 05 #1 - 0845 UTC
Flashes
around
large low N
of Hawaii,
and in SWNE line
NNE of
Hawaii.
©Vaisala | date | Ref. code | Page 48
05 Mar 05 #2 - 1445 UTC
Frequent
flashes in
long SWNE line NE
of Hawaii.
©Vaisala | date | Ref. code | Page 49