Validation of sea ice concentration - Full domain
Bulletin date: 2024-07-04
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-28:
| 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 |
70580 |
18235 |
297 |
238 |
28 |
20 |
0 |
0 |
| OW |
1146 |
3997 |
714 |
936 |
302 |
52 |
7 |
0 |
| VODI |
3237 |
1493 |
784 |
2063 |
1540 |
225 |
22 |
0 |
| ODI |
0 |
298 |
360 |
2008 |
4622 |
1592 |
183 |
0 |
| CDI |
0 |
82 |
108 |
650 |
6220 |
18392 |
2742 |
0 |
| VCDI |
0 |
17 |
18 |
159 |
2791 |
31163 |
3489 |
0 |
|
...date precedes bulletin
|
Date: 2024-06-30:
| 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 |
70887 |
17945 |
291 |
207 |
46 |
15 |
0 |
0 |
| OW |
1159 |
4355 |
651 |
940 |
322 |
30 |
4 |
0 |
| VODI |
3207 |
1815 |
767 |
2230 |
1889 |
138 |
12 |
0 |
| ODI |
0 |
697 |
440 |
1981 |
4536 |
1407 |
29 |
0 |
| CDI |
0 |
131 |
174 |
914 |
6531 |
19484 |
1695 |
0 |
| VCDI |
0 |
10 |
15 |
320 |
4334 |
28339 |
2863 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-02:
| 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 |
73222 |
18018 |
396 |
285 |
54 |
13 |
0 |
0 |
| OW |
1252 |
4622 |
868 |
943 |
208 |
11 |
1 |
0 |
| VODI |
2982 |
1226 |
1097 |
3849 |
2167 |
98 |
5 |
0 |
| ODI |
0 |
68 |
149 |
1491 |
6789 |
2983 |
25 |
0 |
| CDI |
0 |
39 |
31 |
514 |
5416 |
26377 |
790 |
0 |
| VCDI |
0 |
11 |
7 |
58 |
3579 |
18658 |
2508 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-04:
| 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 |
73924 |
18224 |
321 |
250 |
43 |
13 |
0 |
0 |
| OW |
1253 |
4838 |
810 |
914 |
191 |
30 |
4 |
0 |
| VODI |
2960 |
1450 |
1123 |
3852 |
2279 |
272 |
18 |
0 |
| ODI |
0 |
123 |
205 |
1572 |
6984 |
1990 |
22 |
0 |
| CDI |
24 |
36 |
47 |
858 |
9034 |
24042 |
658 |
0 |
| VCDI |
9 |
6 |
5 |
47 |
1202 |
16761 |
4416 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73924 |
18523 |
339 |
287 |
61 |
15 |
0 |
0 |
| OW |
1252 |
4529 |
822 |
958 |
221 |
34 |
7 |
0 |
| VODI |
2961 |
1458 |
1097 |
3732 |
2206 |
298 |
15 |
0 |
| ODI |
0 |
125 |
197 |
1578 |
6893 |
2120 |
20 |
0 |
| CDI |
23 |
36 |
51 |
880 |
9105 |
23538 |
640 |
0 |
| VCDI |
10 |
6 |
5 |
58 |
1247 |
17103 |
4436 |
0 |
|
Date: 2024-07-06:
| 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 |
75059 |
17972 |
293 |
269 |
57 |
2 |
1 |
0 |
| OW |
1294 |
5174 |
774 |
968 |
250 |
35 |
0 |
0 |
| VODI |
2933 |
1603 |
1090 |
3679 |
2371 |
339 |
2 |
0 |
| ODI |
0 |
209 |
212 |
1615 |
5961 |
2661 |
9 |
0 |
| CDI |
24 |
36 |
65 |
716 |
7291 |
24902 |
764 |
0 |
| VCDI |
9 |
2 |
6 |
56 |
1440 |
19701 |
966 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75050 |
18379 |
344 |
336 |
71 |
5 |
0 |
0 |
| OW |
1300 |
4735 |
733 |
1007 |
305 |
34 |
1 |
0 |
| VODI |
2936 |
1605 |
1078 |
3524 |
2294 |
383 |
2 |
0 |
| ODI |
0 |
235 |
211 |
1663 |
5880 |
2827 |
4 |
0 |
| CDI |
23 |
30 |
59 |
704 |
7198 |
23942 |
747 |
0 |
| VCDI |
10 |
12 |
15 |
69 |
1622 |
20449 |
988 |
0 |
|
Date: 2024-07-08:
| 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 |
77993 |
18152 |
336 |
186 |
39 |
8 |
0 |
0 |
| OW |
1363 |
4529 |
1026 |
995 |
88 |
25 |
4 |
0 |
| VODI |
2856 |
768 |
1101 |
4928 |
1786 |
113 |
7 |
0 |
| ODI |
7 |
51 |
76 |
1580 |
10660 |
2210 |
10 |
0 |
| CDI |
17 |
7 |
15 |
179 |
6454 |
28495 |
585 |
0 |
| VCDI |
3 |
8 |
12 |
27 |
850 |
11736 |
1525 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77905 |
16442 |
337 |
259 |
63 |
25 |
1 |
0 |
| OW |
1387 |
4660 |
742 |
1224 |
380 |
54 |
8 |
0 |
| VODI |
2914 |
1829 |
1021 |
3227 |
2247 |
448 |
22 |
0 |
| ODI |
0 |
437 |
284 |
1706 |
5757 |
2428 |
48 |
0 |
| CDI |
23 |
137 |
169 |
1275 |
9081 |
21582 |
738 |
0 |
| VCDI |
10 |
10 |
13 |
204 |
2349 |
18050 |
1314 |
0 |
|
Date: 2024-07-10:
| 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 |
79050 |
17884 |
232 |
148 |
43 |
0 |
0 |
0 |
| OW |
1398 |
4884 |
1063 |
939 |
107 |
16 |
4 |
0 |
| VODI |
2824 |
1349 |
1257 |
4871 |
1689 |
170 |
8 |
0 |
| ODI |
11 |
129 |
159 |
1979 |
8709 |
3150 |
7 |
0 |
| CDI |
15 |
23 |
18 |
339 |
5483 |
30999 |
561 |
0 |
| VCDI |
0 |
14 |
8 |
27 |
663 |
10292 |
288 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78996 |
15968 |
260 |
228 |
67 |
7 |
0 |
0 |
| OW |
1380 |
5125 |
845 |
1232 |
325 |
88 |
4 |
0 |
| VODI |
2889 |
2186 |
1031 |
3306 |
1935 |
395 |
13 |
0 |
| ODI |
0 |
618 |
369 |
1980 |
5333 |
2381 |
6 |
0 |
| CDI |
25 |
370 |
221 |
1345 |
7287 |
23549 |
465 |
0 |
| VCDI |
8 |
16 |
11 |
212 |
1747 |
18207 |
380 |
0 |
|
Date: 2024-07-12:
| 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 |
78305 |
19005 |
292 |
224 |
51 |
16 |
0 |
0 |
| OW |
1436 |
5282 |
1117 |
1133 |
151 |
30 |
1 |
0 |
| VODI |
2793 |
1826 |
1300 |
4321 |
2141 |
163 |
2 |
0 |
| ODI |
8 |
257 |
230 |
2179 |
7825 |
2692 |
1 |
0 |
| CDI |
15 |
25 |
30 |
529 |
6735 |
32352 |
75 |
0 |
| VCDI |
0 |
24 |
6 |
43 |
1126 |
7040 |
29 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78259 |
17011 |
328 |
262 |
43 |
4 |
0 |
0 |
| OW |
1400 |
5540 |
990 |
1442 |
425 |
81 |
1 |
0 |
| VODI |
2865 |
2487 |
1006 |
2761 |
2037 |
475 |
3 |
0 |
| ODI |
4 |
917 |
404 |
2315 |
4958 |
2005 |
0 |
0 |
| CDI |
23 |
417 |
215 |
1312 |
6930 |
25047 |
62 |
0 |
| VCDI |
6 |
47 |
32 |
337 |
3636 |
14681 |
42 |
0 |
|
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