Validation of sea ice concentration - Full domain
Bulletin date: 2024-03-28
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-22:
| 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 |
62267 |
16227 |
261 |
225 |
37 |
0 |
0 |
0 |
| OW |
21 |
1542 |
395 |
713 |
176 |
1 |
0 |
0 |
| VODI |
0 |
501 |
278 |
1076 |
497 |
76 |
3 |
0 |
| ODI |
0 |
103 |
131 |
608 |
945 |
424 |
33 |
0 |
| CDI |
0 |
32 |
48 |
531 |
1226 |
2013 |
1536 |
18 |
| VCDI |
0 |
1 |
2 |
203 |
1365 |
4086 |
24763 |
72379 |
|
...date precedes bulletin
|
Date: 2024-03-24:
| 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 |
62198 |
16025 |
218 |
166 |
20 |
0 |
0 |
0 |
| OW |
20 |
1458 |
415 |
788 |
165 |
5 |
0 |
0 |
| VODI |
0 |
524 |
230 |
1075 |
580 |
73 |
2 |
0 |
| ODI |
0 |
190 |
104 |
645 |
934 |
474 |
36 |
0 |
| CDI |
0 |
94 |
107 |
623 |
1536 |
2019 |
1434 |
16 |
| VCDI |
0 |
0 |
3 |
150 |
847 |
5007 |
21197 |
75365 |
|
...date precedes bulletin
|
Date: 2024-03-26:
| 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 |
61247 |
16724 |
224 |
339 |
33 |
0 |
0 |
0 |
| OW |
45 |
1304 |
507 |
870 |
132 |
4 |
0 |
0 |
| VODI |
5 |
107 |
162 |
1507 |
758 |
32 |
0 |
0 |
| ODI |
0 |
6 |
18 |
383 |
1420 |
486 |
0 |
0 |
| CDI |
0 |
2 |
10 |
220 |
1376 |
3221 |
701 |
16 |
| VCDI |
0 |
0 |
0 |
35 |
512 |
5135 |
24767 |
72435 |
|
...date precedes bulletin
|
Date: 2024-03-28:
| 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 |
61701 |
16310 |
225 |
170 |
37 |
0 |
0 |
0 |
| OW |
18 |
1395 |
495 |
906 |
121 |
0 |
0 |
0 |
| VODI |
0 |
235 |
211 |
1281 |
729 |
8 |
0 |
0 |
| ODI |
0 |
23 |
47 |
438 |
1245 |
553 |
13 |
0 |
| CDI |
0 |
2 |
12 |
310 |
1465 |
2709 |
1759 |
21 |
| VCDI |
0 |
0 |
0 |
31 |
543 |
4923 |
25650 |
71157 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61701 |
16421 |
259 |
191 |
35 |
0 |
0 |
0 |
| OW |
18 |
1301 |
462 |
911 |
131 |
0 |
0 |
0 |
| VODI |
0 |
222 |
213 |
1249 |
708 |
9 |
0 |
0 |
| ODI |
0 |
19 |
44 |
446 |
1261 |
513 |
19 |
0 |
| CDI |
0 |
2 |
12 |
298 |
1445 |
2820 |
1726 |
28 |
| VCDI |
0 |
0 |
0 |
41 |
560 |
4851 |
25677 |
71150 |
|
Date: 2024-03-30:
| 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 |
61118 |
16591 |
257 |
207 |
36 |
0 |
0 |
0 |
| OW |
0 |
1567 |
458 |
888 |
126 |
5 |
0 |
0 |
| VODI |
0 |
319 |
276 |
1224 |
770 |
26 |
3 |
0 |
| ODI |
0 |
85 |
76 |
632 |
1411 |
488 |
21 |
0 |
| CDI |
0 |
23 |
10 |
494 |
1609 |
2471 |
918 |
25 |
| VCDI |
0 |
0 |
0 |
148 |
925 |
5725 |
25197 |
70614 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61118 |
16752 |
296 |
223 |
27 |
0 |
0 |
0 |
| OW |
0 |
1407 |
421 |
865 |
149 |
6 |
0 |
0 |
| VODI |
0 |
316 |
272 |
1218 |
722 |
35 |
4 |
0 |
| ODI |
0 |
85 |
79 |
623 |
1429 |
499 |
22 |
0 |
| CDI |
0 |
25 |
9 |
519 |
1648 |
2529 |
948 |
31 |
| VCDI |
0 |
0 |
0 |
145 |
902 |
5646 |
25165 |
70608 |
|
Date: 2024-04-01:
| 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 |
61292 |
16763 |
234 |
207 |
34 |
0 |
0 |
0 |
| OW |
0 |
1402 |
570 |
665 |
72 |
3 |
0 |
0 |
| VODI |
0 |
85 |
167 |
1796 |
564 |
18 |
0 |
0 |
| ODI |
0 |
1 |
11 |
483 |
1832 |
189 |
2 |
1 |
| CDI |
0 |
0 |
0 |
316 |
1577 |
3397 |
317 |
32 |
| VCDI |
0 |
0 |
0 |
50 |
779 |
6069 |
25572 |
70243 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61292 |
16096 |
227 |
242 |
15 |
0 |
0 |
0 |
| OW |
0 |
1468 |
347 |
904 |
209 |
14 |
0 |
0 |
| VODI |
0 |
549 |
240 |
1025 |
1049 |
128 |
5 |
0 |
| ODI |
0 |
135 |
129 |
605 |
1117 |
857 |
54 |
1 |
| CDI |
0 |
3 |
39 |
539 |
1355 |
2362 |
1326 |
80 |
| VCDI |
0 |
0 |
0 |
202 |
1113 |
6315 |
24506 |
70195 |
|
Date: 2024-04-03:
| 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 |
61809 |
16450 |
167 |
112 |
20 |
3 |
0 |
0 |
| OW |
0 |
1520 |
472 |
561 |
75 |
9 |
0 |
0 |
| VODI |
0 |
321 |
344 |
1434 |
357 |
18 |
7 |
0 |
| ODI |
0 |
20 |
59 |
874 |
1235 |
197 |
24 |
7 |
| CDI |
0 |
2 |
15 |
487 |
2164 |
2792 |
1106 |
108 |
| VCDI |
0 |
0 |
0 |
32 |
613 |
4344 |
24884 |
72101 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61809 |
15481 |
186 |
109 |
15 |
1 |
0 |
0 |
| OW |
0 |
1799 |
332 |
773 |
134 |
20 |
0 |
0 |
| VODI |
0 |
807 |
311 |
1030 |
708 |
84 |
14 |
0 |
| ODI |
0 |
204 |
162 |
737 |
1194 |
399 |
44 |
5 |
| CDI |
0 |
22 |
66 |
781 |
1886 |
2464 |
1722 |
69 |
| VCDI |
0 |
0 |
0 |
70 |
527 |
4395 |
24241 |
72142 |
|
Date: 2024-04-05:
| 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 |
62303 |
16126 |
135 |
81 |
10 |
0 |
0 |
0 |
| OW |
0 |
1563 |
433 |
702 |
110 |
0 |
0 |
0 |
| VODI |
0 |
517 |
266 |
1149 |
416 |
59 |
0 |
0 |
| ODI |
0 |
68 |
145 |
744 |
956 |
270 |
27 |
12 |
| CDI |
0 |
2 |
22 |
557 |
1932 |
2427 |
1852 |
131 |
| VCDI |
0 |
0 |
0 |
21 |
736 |
4093 |
22260 |
74618 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62303 |
15048 |
200 |
238 |
22 |
0 |
0 |
0 |
| OW |
0 |
1955 |
253 |
639 |
165 |
3 |
0 |
0 |
| VODI |
0 |
1033 |
290 |
814 |
642 |
89 |
14 |
2 |
| ODI |
0 |
220 |
214 |
795 |
785 |
457 |
104 |
7 |
| CDI |
0 |
20 |
44 |
758 |
1934 |
2180 |
1836 |
160 |
| VCDI |
0 |
0 |
0 |
10 |
612 |
4120 |
22185 |
74592 |
|
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