Validation of sea ice concentration - Asian sector
Bulletin date: 2021-07-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-07-16:
| 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 |
4749 |
7447 |
87 |
278 |
5 |
0 |
0 |
0 |
| OW |
5 |
412 |
102 |
939 |
103 |
8 |
0 |
0 |
| VODI |
0 |
37 |
26 |
1108 |
958 |
24 |
0 |
0 |
| ODI |
0 |
0 |
0 |
58 |
3256 |
1398 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
822 |
4382 |
2456 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1580 |
1827 |
13 |
|
...date precedes bulletin
|
Date: 2021-07-18:
| 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 |
4437 |
7992 |
76 |
249 |
1 |
0 |
0 |
0 |
| OW |
1 |
563 |
103 |
1079 |
103 |
6 |
0 |
0 |
| VODI |
0 |
44 |
24 |
1023 |
1089 |
44 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
3332 |
1483 |
12 |
0 |
| CDI |
0 |
0 |
0 |
0 |
774 |
5080 |
1920 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1413 |
1192 |
0 |
|
...date precedes bulletin
|
Date: 2021-07-20:
| 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 |
4938 |
8063 |
75 |
135 |
2 |
0 |
0 |
0 |
| OW |
0 |
391 |
136 |
1012 |
15 |
4 |
0 |
0 |
| VODI |
0 |
8 |
8 |
1164 |
809 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
17 |
3507 |
640 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
344 |
5972 |
2052 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1174 |
1611 |
0 |
|
...date precedes bulletin
|
Date: 2021-07-22:
| 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 |
4111 |
9277 |
69 |
157 |
0 |
0 |
0 |
0 |
| OW |
0 |
633 |
120 |
833 |
12 |
0 |
0 |
0 |
| VODI |
0 |
38 |
31 |
1081 |
937 |
2 |
0 |
0 |
| ODI |
0 |
2 |
1 |
104 |
3171 |
1036 |
0 |
0 |
| CDI |
0 |
0 |
0 |
15 |
678 |
7126 |
810 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1423 |
415 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4111 |
9453 |
103 |
303 |
3 |
0 |
0 |
0 |
| OW |
0 |
420 |
80 |
749 |
33 |
0 |
0 |
0 |
| VODI |
0 |
74 |
34 |
998 |
943 |
2 |
0 |
0 |
| ODI |
0 |
3 |
4 |
119 |
2990 |
869 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
825 |
7372 |
823 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
1344 |
402 |
0 |
|
Date: 2021-07-24:
| 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 |
5497 |
8212 |
67 |
224 |
0 |
0 |
0 |
0 |
| OW |
0 |
776 |
90 |
722 |
61 |
0 |
0 |
0 |
| VODI |
0 |
141 |
52 |
868 |
1209 |
11 |
0 |
0 |
| ODI |
0 |
13 |
6 |
229 |
2647 |
1718 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
754 |
5966 |
1512 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
1064 |
223 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5497 |
8406 |
82 |
338 |
2 |
0 |
0 |
0 |
| OW |
0 |
554 |
77 |
678 |
47 |
0 |
0 |
0 |
| VODI |
0 |
164 |
47 |
790 |
1221 |
18 |
0 |
0 |
| ODI |
0 |
18 |
9 |
221 |
2566 |
1685 |
0 |
0 |
| CDI |
0 |
0 |
0 |
25 |
827 |
6012 |
1479 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
1044 |
256 |
0 |
|
Date: 2021-07-26:
| 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 |
6555 |
7868 |
51 |
188 |
0 |
0 |
0 |
0 |
| OW |
2 |
551 |
147 |
602 |
4 |
0 |
0 |
0 |
| VODI |
0 |
16 |
22 |
1396 |
491 |
12 |
0 |
0 |
| ODI |
0 |
0 |
0 |
86 |
3446 |
396 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
370 |
5672 |
1504 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
678 |
2019 |
2 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6555 |
7531 |
83 |
460 |
0 |
0 |
0 |
0 |
| OW |
2 |
611 |
69 |
661 |
92 |
4 |
0 |
0 |
| VODI |
0 |
259 |
54 |
818 |
1311 |
71 |
0 |
0 |
| ODI |
0 |
34 |
14 |
327 |
2113 |
2410 |
88 |
0 |
| CDI |
0 |
0 |
0 |
10 |
777 |
3648 |
2894 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
625 |
541 |
0 |
|
Date: 2021-07-28:
| 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 |
6629 |
8068 |
76 |
237 |
7 |
0 |
0 |
0 |
| OW |
1 |
484 |
130 |
743 |
37 |
4 |
0 |
0 |
| VODI |
0 |
36 |
22 |
1593 |
748 |
22 |
0 |
0 |
| ODI |
0 |
0 |
0 |
105 |
2856 |
789 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
297 |
4552 |
2270 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
449 |
1913 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6628 |
7574 |
93 |
567 |
25 |
0 |
0 |
0 |
| OW |
2 |
675 |
58 |
707 |
204 |
7 |
0 |
0 |
| VODI |
0 |
299 |
61 |
1090 |
1272 |
162 |
0 |
0 |
| ODI |
0 |
40 |
16 |
293 |
1810 |
2824 |
395 |
0 |
| CDI |
0 |
0 |
0 |
21 |
637 |
2354 |
3229 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
469 |
559 |
0 |
|
Date: 2021-07-30:
| 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 |
7077 |
7921 |
70 |
269 |
2 |
0 |
0 |
0 |
| OW |
1 |
622 |
120 |
718 |
60 |
7 |
0 |
0 |
| VODI |
0 |
68 |
39 |
1405 |
1160 |
84 |
7 |
0 |
| ODI |
0 |
5 |
2 |
232 |
2478 |
1031 |
53 |
0 |
| CDI |
0 |
0 |
0 |
0 |
274 |
3997 |
2362 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
483 |
1534 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7077 |
7262 |
93 |
685 |
70 |
46 |
0 |
0 |
| OW |
1 |
724 |
52 |
705 |
279 |
109 |
7 |
0 |
| VODI |
0 |
499 |
48 |
624 |
1426 |
371 |
40 |
0 |
| ODI |
0 |
131 |
38 |
474 |
1816 |
2731 |
349 |
0 |
| CDI |
0 |
0 |
0 |
136 |
383 |
2327 |
2781 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
18 |
779 |
0 |
|
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