Validation of sea ice concentration - Asian sector
Bulletin date: 2020-07-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-07-17:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6511 |
8732 |
67 |
269 |
56 |
0 |
0 |
0 |
| OW |
0 |
833 |
94 |
645 |
99 |
4 |
0 |
0 |
| VODI |
1 |
185 |
71 |
1416 |
1094 |
43 |
0 |
0 |
| ODI |
0 |
0 |
0 |
78 |
1815 |
2929 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
0 |
5526 |
979 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
471 |
155 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-19:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7272 |
8567 |
53 |
247 |
52 |
0 |
0 |
0 |
| OW |
3 |
1089 |
92 |
579 |
61 |
10 |
0 |
0 |
| VODI |
0 |
255 |
74 |
1357 |
1566 |
131 |
0 |
0 |
| ODI |
0 |
5 |
0 |
41 |
1187 |
3774 |
0 |
0 |
| CDI |
0 |
1 |
1 |
0 |
30 |
5069 |
210 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
303 |
53 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-21:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8468 |
9051 |
96 |
340 |
12 |
0 |
0 |
0 |
| OW |
1 |
528 |
73 |
616 |
78 |
0 |
0 |
0 |
| VODI |
0 |
89 |
28 |
1233 |
754 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
2338 |
926 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
104 |
4806 |
2524 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
8 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-23:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8849 |
9097 |
88 |
355 |
22 |
0 |
0 |
0 |
| OW |
1 |
598 |
83 |
648 |
173 |
0 |
0 |
0 |
| VODI |
0 |
94 |
28 |
932 |
833 |
48 |
0 |
0 |
| ODI |
0 |
0 |
0 |
35 |
2092 |
1641 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
79 |
4837 |
1546 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8850 |
9172 |
101 |
496 |
25 |
0 |
0 |
0 |
| OW |
0 |
508 |
67 |
584 |
185 |
1 |
0 |
0 |
| VODI |
0 |
109 |
31 |
844 |
891 |
62 |
0 |
0 |
| ODI |
0 |
0 |
0 |
46 |
1972 |
1413 |
149 |
0 |
| CDI |
0 |
0 |
0 |
0 |
126 |
5043 |
1400 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
7 |
0 |
0 |
|
Date: 2020-07-25:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9538 |
8587 |
82 |
428 |
40 |
0 |
0 |
0 |
| OW |
0 |
616 |
91 |
733 |
263 |
0 |
0 |
0 |
| VODI |
0 |
50 |
16 |
541 |
1099 |
16 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
2146 |
2172 |
85 |
0 |
| CDI |
0 |
0 |
0 |
0 |
20 |
4107 |
1449 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9538 |
8657 |
92 |
619 |
69 |
0 |
0 |
0 |
| OW |
0 |
497 |
68 |
516 |
287 |
0 |
0 |
0 |
| VODI |
0 |
99 |
29 |
566 |
1079 |
113 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
1959 |
1810 |
169 |
0 |
| CDI |
0 |
0 |
0 |
0 |
174 |
4372 |
1365 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2020-07-27:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9416 |
9177 |
98 |
399 |
26 |
0 |
0 |
0 |
| OW |
0 |
372 |
61 |
451 |
103 |
0 |
0 |
0 |
| VODI |
0 |
5 |
7 |
573 |
409 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
13 |
3077 |
387 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
129 |
6882 |
471 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
26 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9416 |
8916 |
103 |
667 |
132 |
0 |
0 |
0 |
| OW |
0 |
545 |
43 |
338 |
349 |
6 |
0 |
0 |
| VODI |
0 |
93 |
20 |
422 |
1257 |
254 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
1817 |
2240 |
76 |
0 |
| CDI |
0 |
0 |
0 |
0 |
189 |
4769 |
421 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2020-07-29:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10976 |
7885 |
83 |
399 |
49 |
0 |
0 |
0 |
| OW |
0 |
258 |
57 |
434 |
154 |
0 |
0 |
0 |
| VODI |
0 |
7 |
7 |
386 |
712 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
6 |
3110 |
1272 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
212 |
5237 |
838 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10914 |
7660 |
101 |
575 |
187 |
0 |
0 |
0 |
| OW |
62 |
451 |
21 |
302 |
407 |
6 |
0 |
0 |
| VODI |
0 |
39 |
25 |
344 |
1907 |
244 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
1631 |
2465 |
373 |
0 |
| CDI |
0 |
0 |
0 |
0 |
105 |
3794 |
465 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2020-07-31:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11271 |
7628 |
76 |
364 |
53 |
0 |
0 |
0 |
| OW |
0 |
256 |
44 |
470 |
187 |
0 |
0 |
0 |
| VODI |
0 |
7 |
7 |
365 |
1101 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
2250 |
2634 |
25 |
0 |
| CDI |
0 |
0 |
0 |
0 |
89 |
4581 |
665 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11241 |
7512 |
84 |
550 |
315 |
8 |
0 |
0 |
| OW |
30 |
343 |
24 |
324 |
381 |
48 |
0 |
0 |
| VODI |
0 |
36 |
19 |
324 |
1959 |
698 |
4 |
0 |
| ODI |
0 |
0 |
0 |
10 |
997 |
3126 |
493 |
0 |
| CDI |
0 |
0 |
0 |
0 |
28 |
3335 |
193 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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