Validation of sea ice concentration - Full domain
Bulletin date: 2024-08-08
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-02:
| 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 |
115815 |
16425 |
59 |
48 |
3 |
0 |
0 |
0 |
| OW |
384 |
5159 |
977 |
798 |
33 |
2 |
0 |
0 |
| VODI |
62 |
808 |
712 |
6066 |
1277 |
26 |
4 |
0 |
| ODI |
2 |
100 |
12 |
921 |
11129 |
1253 |
14 |
0 |
| CDI |
0 |
108 |
23 |
175 |
5223 |
22479 |
1163 |
0 |
| VCDI |
0 |
96 |
45 |
230 |
519 |
1366 |
1227 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-04:
| 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 |
120110 |
12459 |
26 |
7 |
3 |
0 |
0 |
0 |
| OW |
1641 |
4543 |
720 |
565 |
45 |
11 |
0 |
0 |
| VODI |
81 |
1295 |
852 |
5511 |
1416 |
22 |
14 |
0 |
| ODI |
2 |
98 |
17 |
1465 |
11838 |
704 |
7 |
0 |
| CDI |
0 |
133 |
42 |
232 |
6807 |
20281 |
397 |
0 |
| VCDI |
0 |
75 |
46 |
246 |
525 |
1687 |
820 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-06:
| 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 |
122972 |
12861 |
27 |
16 |
1 |
0 |
0 |
0 |
| OW |
895 |
4362 |
1005 |
606 |
28 |
0 |
0 |
0 |
| VODI |
21 |
209 |
294 |
6772 |
800 |
6 |
0 |
0 |
| ODI |
4 |
77 |
10 |
625 |
15980 |
2201 |
0 |
0 |
| CDI |
0 |
124 |
48 |
322 |
1985 |
18705 |
1297 |
0 |
| VCDI |
0 |
1 |
1 |
69 |
434 |
1897 |
88 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-08:
| 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 |
125330 |
11907 |
35 |
16 |
4 |
0 |
0 |
0 |
| OW |
557 |
4116 |
714 |
696 |
56 |
3 |
0 |
0 |
| VODI |
16 |
545 |
524 |
6259 |
864 |
20 |
2 |
0 |
| ODI |
0 |
78 |
17 |
992 |
14287 |
3167 |
42 |
0 |
| CDI |
0 |
85 |
24 |
298 |
1455 |
15050 |
4095 |
286 |
| VCDI |
0 |
132 |
41 |
196 |
328 |
616 |
1246 |
644 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
125324 |
11991 |
56 |
32 |
3 |
0 |
0 |
0 |
| OW |
565 |
3956 |
685 |
782 |
41 |
4 |
0 |
0 |
| VODI |
14 |
608 |
530 |
6071 |
991 |
19 |
1 |
0 |
| ODI |
0 |
82 |
18 |
1079 |
13591 |
3830 |
31 |
0 |
| CDI |
0 |
101 |
32 |
298 |
2039 |
14407 |
4165 |
285 |
| VCDI |
0 |
125 |
34 |
195 |
329 |
596 |
1188 |
645 |
|
Date: 2024-08-10:
| 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 |
128361 |
9808 |
18 |
6 |
4 |
0 |
0 |
0 |
| OW |
516 |
4249 |
538 |
563 |
41 |
0 |
1 |
0 |
| VODI |
29 |
844 |
778 |
5671 |
996 |
16 |
0 |
0 |
| ODI |
0 |
81 |
32 |
1342 |
13615 |
2769 |
87 |
0 |
| CDI |
0 |
144 |
39 |
444 |
2204 |
13969 |
3748 |
628 |
| VCDI |
0 |
178 |
12 |
82 |
203 |
484 |
1368 |
875 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
128344 |
9695 |
25 |
26 |
0 |
0 |
0 |
0 |
| OW |
540 |
4275 |
509 |
588 |
22 |
0 |
1 |
0 |
| VODI |
22 |
917 |
801 |
5557 |
1275 |
9 |
0 |
0 |
| ODI |
0 |
86 |
31 |
1401 |
12634 |
3892 |
120 |
0 |
| CDI |
0 |
161 |
41 |
443 |
2940 |
12888 |
3926 |
605 |
| VCDI |
0 |
170 |
10 |
93 |
192 |
449 |
1157 |
898 |
|
Date: 2024-08-12:
| 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 |
128963 |
11469 |
51 |
40 |
0 |
0 |
0 |
0 |
| OW |
146 |
4244 |
1365 |
618 |
8 |
0 |
0 |
0 |
| VODI |
16 |
200 |
120 |
7257 |
740 |
7 |
1 |
0 |
| ODI |
0 |
63 |
9 |
515 |
15732 |
613 |
1 |
0 |
| CDI |
0 |
78 |
10 |
153 |
1656 |
15993 |
331 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
109 |
268 |
3952 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
128822 |
9623 |
28 |
34 |
0 |
0 |
0 |
0 |
| OW |
280 |
4589 |
511 |
487 |
13 |
0 |
0 |
0 |
| VODI |
20 |
1339 |
898 |
5659 |
1387 |
3 |
1 |
0 |
| ODI |
3 |
140 |
63 |
2008 |
11563 |
3184 |
0 |
0 |
| CDI |
0 |
174 |
52 |
340 |
4977 |
13457 |
3078 |
0 |
| VCDI |
0 |
189 |
3 |
70 |
305 |
237 |
1206 |
0 |
|
Date: 2024-08-14:
| 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 |
130316 |
10376 |
37 |
31 |
0 |
0 |
0 |
0 |
| OW |
100 |
5121 |
708 |
334 |
7 |
0 |
0 |
0 |
| VODI |
47 |
684 |
773 |
7490 |
578 |
3 |
4 |
0 |
| ODI |
10 |
73 |
12 |
1200 |
12549 |
1650 |
7 |
0 |
| CDI |
20 |
90 |
14 |
178 |
2735 |
14243 |
2692 |
0 |
| VCDI |
0 |
3 |
0 |
45 |
121 |
1196 |
1296 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
130175 |
8317 |
25 |
53 |
1 |
0 |
0 |
0 |
| OW |
200 |
4885 |
384 |
474 |
19 |
0 |
0 |
0 |
| VODI |
65 |
2388 |
946 |
5220 |
1158 |
6 |
2 |
0 |
| ODI |
16 |
290 |
109 |
3232 |
9943 |
3626 |
31 |
0 |
| CDI |
22 |
308 |
77 |
225 |
4659 |
13250 |
3468 |
0 |
| VCDI |
15 |
159 |
3 |
74 |
210 |
210 |
498 |
0 |
|
Date: 2024-08-16:
| 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 |
130713 |
10317 |
59 |
51 |
0 |
0 |
0 |
0 |
| OW |
117 |
5318 |
486 |
299 |
5 |
0 |
0 |
0 |
| VODI |
26 |
1128 |
1009 |
7514 |
514 |
6 |
0 |
0 |
| ODI |
1 |
94 |
23 |
1528 |
12632 |
1242 |
1 |
0 |
| CDI |
0 |
118 |
10 |
162 |
3599 |
13130 |
2700 |
0 |
| VCDI |
0 |
0 |
0 |
77 |
181 |
456 |
1227 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
130443 |
8059 |
54 |
75 |
2 |
0 |
0 |
0 |
| OW |
370 |
4908 |
414 |
449 |
27 |
0 |
0 |
0 |
| VODI |
41 |
3092 |
886 |
5006 |
1062 |
48 |
0 |
0 |
| ODI |
3 |
406 |
173 |
3768 |
9835 |
3552 |
18 |
0 |
| CDI |
0 |
305 |
60 |
262 |
5765 |
10805 |
3265 |
0 |
| VCDI |
0 |
205 |
0 |
71 |
240 |
429 |
645 |
0 |
|
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