Validation of sea ice concentration - Full domain
Bulletin date: 2021-03-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-02-26:
| 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 |
71027 |
13736 |
129 |
394 |
62 |
14 |
0 |
0 |
| OW |
61 |
697 |
57 |
409 |
92 |
0 |
0 |
0 |
| VODI |
0 |
543 |
47 |
422 |
353 |
7 |
0 |
0 |
| ODI |
0 |
206 |
39 |
297 |
471 |
92 |
1 |
0 |
| CDI |
0 |
102 |
10 |
234 |
856 |
751 |
118 |
41 |
| VCDI |
0 |
251 |
23 |
309 |
1249 |
4564 |
18240 |
71144 |
|
...date precedes bulletin
|
Date: 2021-02-28:
| 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 |
69319 |
14755 |
139 |
628 |
197 |
32 |
0 |
0 |
| OW |
61 |
648 |
76 |
354 |
187 |
0 |
0 |
0 |
| VODI |
0 |
396 |
71 |
460 |
416 |
21 |
0 |
0 |
| ODI |
0 |
143 |
32 |
354 |
558 |
110 |
4 |
0 |
| CDI |
0 |
75 |
9 |
184 |
901 |
708 |
132 |
3 |
| VCDI |
0 |
154 |
16 |
279 |
1227 |
5516 |
21734 |
67149 |
|
...date precedes bulletin
|
Date: 2021-03-02:
| 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 |
68753 |
15324 |
148 |
579 |
181 |
26 |
0 |
0 |
| OW |
62 |
459 |
88 |
606 |
139 |
3 |
0 |
0 |
| VODI |
0 |
195 |
48 |
626 |
477 |
9 |
0 |
0 |
| ODI |
0 |
75 |
9 |
270 |
805 |
66 |
0 |
0 |
| CDI |
0 |
51 |
3 |
94 |
1288 |
831 |
107 |
0 |
| VCDI |
0 |
117 |
17 |
301 |
1285 |
6618 |
21591 |
65797 |
|
...date precedes bulletin
|
Date: 2021-03-04:
| 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 |
68774 |
15153 |
146 |
600 |
215 |
31 |
0 |
0 |
| OW |
61 |
483 |
96 |
561 |
171 |
18 |
0 |
0 |
| VODI |
0 |
139 |
42 |
638 |
476 |
45 |
2 |
0 |
| ODI |
0 |
65 |
8 |
219 |
718 |
69 |
5 |
0 |
| CDI |
0 |
47 |
7 |
103 |
1182 |
917 |
209 |
0 |
| VCDI |
0 |
63 |
13 |
361 |
1463 |
5997 |
22968 |
64983 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68774 |
15257 |
159 |
633 |
215 |
30 |
0 |
0 |
| OW |
61 |
400 |
86 |
532 |
174 |
26 |
0 |
0 |
| VODI |
0 |
137 |
39 |
636 |
458 |
42 |
3 |
0 |
| ODI |
0 |
61 |
8 |
225 |
749 |
78 |
7 |
0 |
| CDI |
0 |
33 |
7 |
90 |
1174 |
931 |
188 |
0 |
| VCDI |
0 |
62 |
13 |
366 |
1455 |
5970 |
22986 |
64983 |
|
Date: 2021-03-06:
| 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 |
69192 |
14642 |
136 |
622 |
256 |
25 |
1 |
0 |
| OW |
62 |
574 |
72 |
480 |
165 |
13 |
5 |
0 |
| VODI |
0 |
251 |
51 |
522 |
454 |
27 |
7 |
0 |
| ODI |
0 |
97 |
20 |
289 |
580 |
63 |
42 |
2 |
| CDI |
0 |
52 |
18 |
188 |
924 |
679 |
152 |
94 |
| VCDI |
0 |
23 |
16 |
470 |
2224 |
6438 |
23216 |
63904 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69192 |
14710 |
145 |
652 |
256 |
24 |
1 |
0 |
| OW |
62 |
537 |
74 |
439 |
154 |
15 |
6 |
0 |
| VODI |
0 |
233 |
42 |
557 |
453 |
24 |
8 |
0 |
| ODI |
0 |
89 |
21 |
286 |
634 |
66 |
36 |
2 |
| CDI |
0 |
52 |
15 |
184 |
888 |
623 |
157 |
91 |
| VCDI |
0 |
18 |
16 |
453 |
2218 |
6493 |
23215 |
63907 |
|
Date: 2021-03-08:
| 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 |
68883 |
14713 |
121 |
504 |
312 |
19 |
0 |
0 |
| OW |
62 |
628 |
94 |
441 |
178 |
19 |
0 |
0 |
| VODI |
0 |
210 |
43 |
693 |
466 |
78 |
4 |
0 |
| ODI |
0 |
76 |
20 |
269 |
865 |
139 |
13 |
0 |
| CDI |
0 |
26 |
13 |
196 |
891 |
844 |
177 |
3 |
| VCDI |
0 |
0 |
1 |
194 |
1310 |
5988 |
24782 |
63773 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68883 |
14580 |
133 |
527 |
328 |
25 |
0 |
0 |
| OW |
62 |
607 |
69 |
405 |
178 |
21 |
4 |
0 |
| VODI |
0 |
281 |
40 |
551 |
449 |
84 |
8 |
0 |
| ODI |
0 |
119 |
24 |
260 |
720 |
134 |
22 |
0 |
| CDI |
0 |
54 |
16 |
206 |
694 |
661 |
176 |
11 |
| VCDI |
0 |
12 |
10 |
348 |
1653 |
6162 |
24766 |
63765 |
|
Date: 2021-03-10:
| 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 |
68603 |
14827 |
154 |
520 |
238 |
31 |
2 |
0 |
| OW |
54 |
442 |
75 |
524 |
176 |
12 |
0 |
0 |
| VODI |
0 |
198 |
36 |
550 |
558 |
39 |
1 |
0 |
| ODI |
0 |
83 |
20 |
180 |
776 |
159 |
12 |
4 |
| CDI |
0 |
21 |
17 |
175 |
765 |
736 |
237 |
121 |
| VCDI |
0 |
11 |
4 |
202 |
1428 |
5243 |
26439 |
63375 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68602 |
14535 |
128 |
552 |
206 |
35 |
2 |
0 |
| OW |
55 |
597 |
84 |
380 |
200 |
12 |
1 |
0 |
| VODI |
0 |
241 |
46 |
498 |
448 |
45 |
6 |
0 |
| ODI |
0 |
116 |
17 |
279 |
682 |
144 |
17 |
2 |
| CDI |
0 |
66 |
17 |
185 |
784 |
551 |
163 |
81 |
| VCDI |
0 |
27 |
14 |
257 |
1621 |
5433 |
26502 |
63417 |
|
Date: 2021-03-12:
| 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 |
68903 |
14628 |
140 |
500 |
172 |
34 |
6 |
0 |
| OW |
54 |
530 |
61 |
507 |
130 |
13 |
1 |
0 |
| VODI |
0 |
289 |
45 |
493 |
510 |
42 |
1 |
0 |
| ODI |
0 |
128 |
22 |
200 |
569 |
171 |
6 |
0 |
| CDI |
0 |
70 |
20 |
177 |
551 |
671 |
182 |
84 |
| VCDI |
0 |
25 |
12 |
299 |
1385 |
4600 |
22952 |
67865 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68902 |
14060 |
121 |
543 |
220 |
40 |
7 |
0 |
| OW |
55 |
611 |
57 |
331 |
212 |
29 |
1 |
0 |
| VODI |
0 |
375 |
43 |
486 |
367 |
79 |
8 |
0 |
| ODI |
0 |
228 |
16 |
207 |
516 |
252 |
15 |
0 |
| CDI |
0 |
217 |
20 |
198 |
651 |
729 |
209 |
27 |
| VCDI |
0 |
179 |
43 |
411 |
1351 |
4402 |
22908 |
67922 |
|
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