Validation of sea ice concentration - Full domain
Bulletin date: 2024-05-09
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-03:
| 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 |
67474 |
13836 |
100 |
177 |
12 |
0 |
0 |
0 |
| OW |
90 |
2764 |
472 |
609 |
89 |
0 |
3 |
0 |
| VODI |
0 |
415 |
398 |
1644 |
593 |
36 |
23 |
0 |
| ODI |
0 |
39 |
60 |
902 |
1598 |
228 |
53 |
0 |
| CDI |
0 |
60 |
34 |
410 |
3868 |
5497 |
1793 |
11 |
| VCDI |
0 |
11 |
20 |
246 |
1553 |
6355 |
31717 |
51553 |
|
...date precedes bulletin
|
Date: 2024-05-05:
| 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 |
68039 |
13592 |
48 |
138 |
3 |
0 |
0 |
0 |
| OW |
26 |
2939 |
507 |
588 |
97 |
0 |
0 |
0 |
| VODI |
0 |
591 |
435 |
1497 |
564 |
78 |
5 |
0 |
| ODI |
0 |
91 |
122 |
884 |
1456 |
226 |
54 |
0 |
| CDI |
0 |
146 |
62 |
689 |
3448 |
5181 |
2099 |
9 |
| VCDI |
0 |
64 |
35 |
387 |
1846 |
7419 |
34088 |
47290 |
|
...date precedes bulletin
|
Date: 2024-05-07:
| 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 |
68924 |
14202 |
108 |
129 |
8 |
0 |
0 |
0 |
| OW |
0 |
2241 |
710 |
677 |
49 |
3 |
0 |
0 |
| VODI |
0 |
118 |
265 |
2334 |
673 |
45 |
5 |
0 |
| ODI |
0 |
47 |
30 |
656 |
2349 |
228 |
31 |
0 |
| CDI |
0 |
41 |
42 |
393 |
2993 |
5756 |
1430 |
8 |
| VCDI |
0 |
0 |
0 |
147 |
1360 |
6227 |
33756 |
48758 |
|
...date precedes bulletin
|
Date: 2024-05-09:
| 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 |
68541 |
14567 |
183 |
177 |
10 |
0 |
0 |
0 |
| OW |
0 |
2152 |
513 |
839 |
199 |
6 |
0 |
0 |
| VODI |
0 |
188 |
287 |
1787 |
1129 |
76 |
5 |
0 |
| ODI |
0 |
53 |
38 |
658 |
2080 |
493 |
41 |
0 |
| CDI |
0 |
50 |
41 |
484 |
3336 |
5060 |
1686 |
4 |
| VCDI |
0 |
1 |
0 |
293 |
1816 |
7371 |
34542 |
46037 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68541 |
14484 |
182 |
247 |
27 |
0 |
0 |
0 |
| OW |
0 |
2226 |
534 |
819 |
222 |
7 |
1 |
0 |
| VODI |
0 |
194 |
276 |
1700 |
1050 |
75 |
4 |
0 |
| ODI |
0 |
57 |
28 |
723 |
2089 |
535 |
48 |
0 |
| CDI |
0 |
49 |
42 |
446 |
3327 |
5087 |
1852 |
8 |
| VCDI |
0 |
1 |
0 |
303 |
1855 |
7302 |
34369 |
46033 |
|
Date: 2024-05-11:
| 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 |
68989 |
14311 |
107 |
151 |
10 |
0 |
0 |
0 |
| OW |
8 |
2453 |
445 |
632 |
110 |
3 |
0 |
0 |
| VODI |
0 |
495 |
466 |
1923 |
610 |
66 |
8 |
0 |
| ODI |
0 |
114 |
51 |
1045 |
1992 |
343 |
68 |
1 |
| CDI |
0 |
94 |
59 |
726 |
3676 |
5011 |
1765 |
14 |
| VCDI |
0 |
15 |
14 |
300 |
1954 |
7792 |
32086 |
46836 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68989 |
14323 |
137 |
184 |
22 |
0 |
0 |
0 |
| OW |
8 |
2451 |
442 |
657 |
117 |
2 |
1 |
0 |
| VODI |
0 |
488 |
445 |
1830 |
574 |
69 |
10 |
0 |
| ODI |
0 |
114 |
49 |
1087 |
2035 |
391 |
87 |
2 |
| CDI |
0 |
85 |
52 |
708 |
3617 |
5152 |
1962 |
58 |
| VCDI |
0 |
21 |
17 |
311 |
1987 |
7601 |
31867 |
46791 |
|
Date: 2024-05-13:
| 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 |
69367 |
14885 |
109 |
70 |
1 |
0 |
0 |
0 |
| OW |
6 |
2699 |
869 |
658 |
60 |
2 |
0 |
0 |
| VODI |
0 |
130 |
200 |
3083 |
603 |
45 |
5 |
0 |
| ODI |
0 |
64 |
42 |
978 |
3012 |
280 |
6 |
0 |
| CDI |
0 |
7 |
10 |
570 |
3734 |
6677 |
695 |
2 |
| VCDI |
0 |
0 |
0 |
128 |
1061 |
5173 |
34282 |
45230 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69364 |
13851 |
125 |
87 |
5 |
0 |
0 |
0 |
| OW |
9 |
2614 |
350 |
598 |
128 |
12 |
1 |
0 |
| VODI |
0 |
905 |
481 |
1638 |
586 |
87 |
17 |
0 |
| ODI |
0 |
261 |
155 |
1430 |
1754 |
421 |
92 |
0 |
| CDI |
0 |
149 |
95 |
1198 |
4140 |
4811 |
1787 |
42 |
| VCDI |
0 |
5 |
24 |
536 |
1858 |
6846 |
33091 |
45190 |
|
Date: 2024-05-15:
| 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 |
70672 |
13888 |
109 |
66 |
13 |
0 |
0 |
0 |
| OW |
5 |
3011 |
512 |
619 |
113 |
0 |
1 |
0 |
| VODI |
0 |
448 |
515 |
2630 |
687 |
34 |
7 |
0 |
| ODI |
0 |
72 |
54 |
1042 |
2367 |
220 |
13 |
0 |
| CDI |
0 |
35 |
52 |
929 |
3721 |
5619 |
1071 |
4 |
| VCDI |
0 |
1 |
0 |
95 |
1376 |
5277 |
30107 |
49358 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70609 |
12635 |
106 |
85 |
5 |
0 |
0 |
0 |
| OW |
63 |
2617 |
317 |
474 |
119 |
7 |
1 |
0 |
| VODI |
5 |
1368 |
400 |
1594 |
578 |
75 |
13 |
2 |
| ODI |
0 |
485 |
184 |
1480 |
1904 |
405 |
84 |
6 |
| CDI |
0 |
302 |
196 |
1192 |
3874 |
4480 |
1304 |
93 |
| VCDI |
0 |
48 |
39 |
556 |
1797 |
6183 |
29797 |
49261 |
|
Date: 2024-05-17:
| 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 |
71521 |
13519 |
88 |
69 |
8 |
0 |
0 |
0 |
| OW |
6 |
2927 |
521 |
555 |
114 |
1 |
0 |
0 |
| VODI |
0 |
752 |
502 |
2532 |
642 |
76 |
13 |
0 |
| ODI |
0 |
82 |
88 |
1267 |
1818 |
344 |
40 |
0 |
| CDI |
0 |
80 |
75 |
997 |
3343 |
5240 |
1193 |
66 |
| VCDI |
0 |
0 |
0 |
99 |
1530 |
6137 |
31385 |
47113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71355 |
11916 |
132 |
122 |
35 |
1 |
1 |
0 |
| OW |
143 |
2726 |
235 |
487 |
100 |
17 |
13 |
0 |
| VODI |
29 |
1658 |
441 |
1605 |
530 |
184 |
47 |
1 |
| ODI |
0 |
652 |
230 |
1531 |
1651 |
825 |
275 |
5 |
| CDI |
0 |
324 |
173 |
1189 |
3138 |
3853 |
1875 |
190 |
| VCDI |
0 |
84 |
63 |
585 |
2001 |
6918 |
30420 |
46983 |
|
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