Validation of sea ice concentration - Full domain
Bulletin date: 2024-05-02
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-26:
| 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 |
65075 |
14938 |
121 |
137 |
5 |
0 |
0 |
0 |
| OW |
4 |
2335 |
373 |
468 |
83 |
0 |
0 |
0 |
| VODI |
0 |
729 |
306 |
1356 |
508 |
40 |
0 |
0 |
| ODI |
0 |
277 |
119 |
894 |
974 |
263 |
30 |
4 |
| CDI |
0 |
229 |
134 |
915 |
2550 |
3934 |
1045 |
39 |
| VCDI |
0 |
12 |
20 |
544 |
2130 |
6546 |
27334 |
60272 |
|
...date precedes bulletin
|
Date: 2024-04-28:
| 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 |
65321 |
14576 |
106 |
56 |
10 |
0 |
0 |
0 |
| OW |
10 |
2420 |
367 |
481 |
69 |
6 |
0 |
0 |
| VODI |
0 |
998 |
368 |
1216 |
488 |
46 |
5 |
0 |
| ODI |
0 |
320 |
125 |
1049 |
947 |
275 |
45 |
8 |
| CDI |
0 |
208 |
133 |
1062 |
3059 |
4611 |
1407 |
38 |
| VCDI |
0 |
14 |
11 |
177 |
1414 |
6708 |
27534 |
59055 |
|
...date precedes bulletin
|
Date: 2024-04-30:
| 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 |
65932 |
14963 |
106 |
88 |
1 |
0 |
0 |
0 |
| OW |
4 |
2954 |
589 |
527 |
19 |
0 |
0 |
0 |
| VODI |
0 |
307 |
347 |
1858 |
343 |
22 |
16 |
6 |
| ODI |
0 |
46 |
81 |
1072 |
1765 |
300 |
88 |
11 |
| CDI |
0 |
18 |
9 |
301 |
2946 |
6242 |
1477 |
13 |
| VCDI |
0 |
0 |
1 |
104 |
867 |
5823 |
31259 |
54238 |
|
...date precedes bulletin
|
Date: 2024-05-02:
| 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 |
67281 |
13801 |
95 |
152 |
2 |
0 |
0 |
0 |
| OW |
141 |
2778 |
437 |
653 |
69 |
4 |
2 |
0 |
| VODI |
0 |
341 |
365 |
1641 |
601 |
43 |
22 |
4 |
| ODI |
0 |
40 |
48 |
938 |
1631 |
356 |
85 |
4 |
| CDI |
0 |
53 |
27 |
367 |
3405 |
5984 |
1813 |
30 |
| VCDI |
0 |
1 |
5 |
132 |
1086 |
6437 |
31623 |
52246 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67279 |
13973 |
116 |
181 |
6 |
0 |
0 |
0 |
| OW |
143 |
2597 |
405 |
634 |
75 |
7 |
2 |
0 |
| VODI |
0 |
356 |
369 |
1620 |
586 |
53 |
24 |
5 |
| ODI |
0 |
36 |
55 |
920 |
1632 |
350 |
81 |
4 |
| CDI |
0 |
51 |
29 |
387 |
3419 |
5984 |
1978 |
32 |
| VCDI |
0 |
1 |
3 |
141 |
1076 |
6430 |
31460 |
52243 |
|
Date: 2024-05-04:
| 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 |
67843 |
13743 |
101 |
138 |
2 |
0 |
0 |
0 |
| OW |
48 |
2841 |
505 |
593 |
74 |
0 |
0 |
0 |
| VODI |
0 |
473 |
452 |
1603 |
545 |
55 |
4 |
0 |
| ODI |
0 |
60 |
73 |
979 |
1429 |
173 |
31 |
0 |
| CDI |
0 |
97 |
46 |
543 |
4038 |
5286 |
1639 |
3 |
| VCDI |
0 |
237 |
48 |
500 |
2006 |
6953 |
31050 |
50532 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67832 |
13921 |
129 |
183 |
6 |
0 |
0 |
0 |
| OW |
59 |
2671 |
480 |
546 |
99 |
5 |
0 |
0 |
| VODI |
0 |
463 |
449 |
1576 |
558 |
50 |
4 |
0 |
| ODI |
0 |
63 |
70 |
974 |
1426 |
204 |
39 |
0 |
| CDI |
0 |
92 |
48 |
565 |
4008 |
5257 |
1728 |
9 |
| VCDI |
0 |
241 |
49 |
512 |
1997 |
6951 |
30953 |
50526 |
|
Date: 2024-05-06:
| 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 |
68915 |
14192 |
84 |
94 |
8 |
0 |
0 |
0 |
| OW |
0 |
2225 |
829 |
566 |
45 |
0 |
0 |
0 |
| VODI |
0 |
88 |
157 |
2558 |
549 |
46 |
0 |
0 |
| ODI |
0 |
48 |
25 |
649 |
2624 |
233 |
20 |
0 |
| CDI |
0 |
39 |
34 |
285 |
2636 |
6854 |
577 |
7 |
| VCDI |
0 |
0 |
0 |
103 |
1156 |
5932 |
34857 |
48308 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68842 |
12992 |
88 |
123 |
25 |
0 |
0 |
0 |
| OW |
73 |
2756 |
447 |
584 |
115 |
7 |
0 |
0 |
| VODI |
0 |
565 |
387 |
1518 |
581 |
100 |
8 |
0 |
| ODI |
0 |
110 |
102 |
907 |
1310 |
366 |
56 |
1 |
| CDI |
0 |
126 |
63 |
789 |
3215 |
5386 |
2626 |
18 |
| VCDI |
0 |
43 |
42 |
334 |
1772 |
7206 |
32764 |
48296 |
|
Date: 2024-05-08:
| 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 |
68981 |
14102 |
121 |
146 |
11 |
0 |
0 |
0 |
| OW |
2 |
2281 |
568 |
738 |
131 |
9 |
0 |
0 |
| VODI |
0 |
171 |
317 |
2027 |
837 |
72 |
3 |
0 |
| ODI |
0 |
46 |
22 |
679 |
2145 |
439 |
34 |
0 |
| CDI |
0 |
52 |
37 |
415 |
3333 |
5386 |
1538 |
9 |
| VCDI |
0 |
0 |
0 |
192 |
1595 |
6814 |
34806 |
46684 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68959 |
13008 |
111 |
105 |
31 |
0 |
0 |
0 |
| OW |
24 |
2596 |
306 |
528 |
116 |
37 |
1 |
0 |
| VODI |
0 |
675 |
395 |
1367 |
671 |
70 |
22 |
4 |
| ODI |
0 |
163 |
119 |
952 |
1406 |
360 |
69 |
10 |
| CDI |
0 |
177 |
90 |
784 |
3731 |
5150 |
3383 |
100 |
| VCDI |
0 |
33 |
44 |
461 |
2097 |
7103 |
32906 |
46579 |
|
Date: 2024-05-10:
| 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 |
68461 |
14781 |
156 |
179 |
2 |
0 |
0 |
0 |
| OW |
9 |
2242 |
480 |
811 |
118 |
0 |
0 |
0 |
| VODI |
0 |
247 |
310 |
2022 |
809 |
56 |
7 |
0 |
| ODI |
0 |
85 |
41 |
901 |
1989 |
382 |
46 |
2 |
| CDI |
0 |
55 |
51 |
570 |
3298 |
5016 |
1684 |
73 |
| VCDI |
0 |
6 |
12 |
372 |
2012 |
8016 |
33778 |
45664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68452 |
13679 |
145 |
178 |
29 |
0 |
0 |
0 |
| OW |
18 |
2336 |
286 |
579 |
123 |
28 |
0 |
0 |
| VODI |
0 |
933 |
285 |
1345 |
623 |
86 |
18 |
0 |
| ODI |
0 |
226 |
201 |
1139 |
1387 |
371 |
77 |
1 |
| CDI |
0 |
203 |
86 |
1013 |
3754 |
5364 |
2713 |
151 |
| VCDI |
0 |
39 |
47 |
601 |
2312 |
7621 |
32707 |
45587 |
|
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