Validation of sea ice concentration - Full domain
Bulletin date: 2023-09-07
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-08:
| 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 |
134044 |
12940 |
55 |
51 |
0 |
0 |
0 |
0 |
| OW |
1020 |
4654 |
654 |
412 |
7 |
0 |
0 |
0 |
| VODI |
42 |
571 |
660 |
5016 |
1013 |
14 |
0 |
0 |
| ODI |
0 |
11 |
1 |
892 |
9137 |
1849 |
1 |
0 |
| CDI |
0 |
8 |
0 |
10 |
3409 |
11781 |
1423 |
0 |
| VCDI |
0 |
2 |
1 |
9 |
10 |
1416 |
3630 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-10:
| 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 |
135979 |
11254 |
50 |
10 |
0 |
0 |
0 |
0 |
| OW |
1016 |
4728 |
519 |
428 |
1 |
0 |
0 |
0 |
| VODI |
1 |
741 |
739 |
5028 |
861 |
16 |
0 |
0 |
| ODI |
0 |
14 |
13 |
1386 |
9140 |
1370 |
13 |
0 |
| CDI |
0 |
6 |
1 |
17 |
4321 |
11529 |
1210 |
0 |
| VCDI |
0 |
3 |
0 |
8 |
6 |
1875 |
2460 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-12:
| 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 |
137498 |
12916 |
80 |
33 |
0 |
0 |
0 |
0 |
| OW |
246 |
3509 |
949 |
690 |
4 |
0 |
0 |
0 |
| VODI |
0 |
89 |
225 |
4414 |
670 |
1 |
0 |
0 |
| ODI |
0 |
8 |
4 |
838 |
9925 |
1003 |
4 |
0 |
| CDI |
0 |
8 |
2 |
50 |
2296 |
13783 |
1928 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
1721 |
1844 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-14:
| 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 |
139446 |
11011 |
58 |
32 |
1 |
0 |
0 |
0 |
| OW |
303 |
3655 |
781 |
493 |
23 |
0 |
0 |
0 |
| VODI |
0 |
330 |
395 |
3957 |
879 |
15 |
0 |
0 |
| ODI |
0 |
19 |
24 |
1306 |
7767 |
2904 |
4 |
0 |
| CDI |
0 |
0 |
1 |
89 |
3355 |
13002 |
1190 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
91 |
2273 |
1336 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
138928 |
9838 |
86 |
55 |
5 |
0 |
0 |
0 |
| OW |
821 |
3974 |
503 |
492 |
49 |
4 |
0 |
0 |
| VODI |
0 |
1114 |
586 |
3771 |
1272 |
8 |
0 |
0 |
| ODI |
0 |
85 |
80 |
1330 |
7011 |
2871 |
32 |
0 |
| CDI |
0 |
4 |
4 |
222 |
3751 |
13165 |
1405 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
28 |
2146 |
1093 |
0 |
|
Date: 2023-09-16:
| 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 |
139266 |
11033 |
49 |
13 |
0 |
0 |
0 |
0 |
| OW |
314 |
3912 |
566 |
543 |
5 |
0 |
0 |
0 |
| VODI |
0 |
556 |
507 |
4037 |
747 |
2 |
0 |
0 |
| ODI |
0 |
17 |
41 |
1884 |
8073 |
1537 |
0 |
0 |
| CDI |
0 |
0 |
0 |
160 |
2711 |
12001 |
1449 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
5 |
3984 |
1326 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
138768 |
9961 |
66 |
32 |
1 |
0 |
0 |
0 |
| OW |
812 |
4116 |
442 |
633 |
8 |
0 |
0 |
0 |
| VODI |
0 |
1345 |
559 |
3998 |
932 |
1 |
0 |
0 |
| ODI |
0 |
93 |
90 |
1743 |
7389 |
2024 |
9 |
0 |
| CDI |
0 |
3 |
6 |
228 |
3191 |
11892 |
1549 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
20 |
3607 |
1217 |
0 |
|
Date: 2023-09-18:
| 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 |
139736 |
12435 |
57 |
7 |
1 |
0 |
0 |
0 |
| OW |
67 |
3181 |
1111 |
477 |
3 |
0 |
0 |
0 |
| VODI |
2 |
56 |
96 |
5226 |
545 |
4 |
0 |
0 |
| ODI |
0 |
7 |
1 |
452 |
10964 |
409 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
942 |
13177 |
245 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
4 |
2755 |
2767 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
139104 |
9774 |
59 |
11 |
2 |
0 |
0 |
0 |
| OW |
701 |
4277 |
481 |
623 |
41 |
0 |
0 |
0 |
| VODI |
0 |
1441 |
591 |
3547 |
1177 |
145 |
0 |
0 |
| ODI |
0 |
179 |
126 |
1757 |
7413 |
1760 |
100 |
0 |
| CDI |
0 |
8 |
8 |
230 |
3798 |
9334 |
1117 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
28 |
5106 |
1795 |
0 |
|
Date: 2023-09-20:
| 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 |
139280 |
12908 |
117 |
158 |
7 |
0 |
0 |
0 |
| OW |
9 |
3103 |
792 |
779 |
31 |
0 |
0 |
0 |
| VODI |
0 |
132 |
302 |
4251 |
1143 |
100 |
0 |
0 |
| ODI |
0 |
6 |
4 |
499 |
9597 |
1820 |
16 |
0 |
| CDI |
0 |
0 |
1 |
8 |
1072 |
9796 |
2269 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
8 |
4069 |
2457 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
138791 |
9944 |
107 |
158 |
5 |
0 |
0 |
0 |
| OW |
498 |
4368 |
436 |
710 |
81 |
51 |
0 |
0 |
| VODI |
0 |
1659 |
540 |
3353 |
1183 |
113 |
2 |
0 |
| ODI |
0 |
169 |
123 |
1327 |
7205 |
2296 |
285 |
0 |
| CDI |
0 |
9 |
10 |
147 |
3367 |
7829 |
3010 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
17 |
5496 |
1445 |
0 |
|
Date: 2023-09-22:
| 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 |
140340 |
11920 |
122 |
100 |
8 |
0 |
0 |
0 |
| OW |
42 |
3263 |
671 |
677 |
79 |
5 |
0 |
0 |
| VODI |
1 |
267 |
382 |
3899 |
1092 |
121 |
1 |
0 |
| ODI |
0 |
0 |
6 |
631 |
8709 |
2513 |
17 |
0 |
| CDI |
0 |
0 |
0 |
87 |
1491 |
8930 |
2006 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
3399 |
3940 |
14 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
139871 |
9002 |
177 |
123 |
2 |
0 |
0 |
0 |
| OW |
512 |
4239 |
368 |
791 |
100 |
79 |
0 |
0 |
| VODI |
0 |
2030 |
470 |
2855 |
1258 |
67 |
0 |
0 |
| ODI |
0 |
154 |
142 |
1301 |
6055 |
2973 |
191 |
0 |
| CDI |
0 |
25 |
24 |
324 |
3963 |
6615 |
3294 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
5234 |
2479 |
12 |
|
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