Validation of sea ice concentration - Full domain
Bulletin date: 2021-03-11
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-03-05:
| 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 |
69244 |
14611 |
151 |
563 |
261 |
40 |
1 |
0 |
| OW |
62 |
531 |
86 |
512 |
190 |
20 |
6 |
0 |
| VODI |
0 |
175 |
48 |
600 |
430 |
35 |
10 |
0 |
| ODI |
0 |
61 |
8 |
265 |
651 |
120 |
33 |
0 |
| CDI |
0 |
43 |
9 |
145 |
1088 |
939 |
171 |
5 |
| VCDI |
0 |
27 |
14 |
370 |
1936 |
7236 |
25370 |
60981 |
|
...date precedes bulletin
|
Date: 2021-03-07:
| 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 |
69087 |
14564 |
120 |
558 |
273 |
31 |
1 |
0 |
| OW |
62 |
633 |
77 |
478 |
179 |
19 |
6 |
0 |
| VODI |
0 |
255 |
55 |
488 |
476 |
34 |
11 |
0 |
| ODI |
0 |
115 |
17 |
239 |
637 |
81 |
33 |
0 |
| CDI |
0 |
64 |
18 |
173 |
797 |
784 |
205 |
5 |
| VCDI |
0 |
44 |
15 |
423 |
1833 |
6151 |
23139 |
64868 |
|
...date precedes bulletin
|
Date: 2021-03-09:
| 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 |
68667 |
14842 |
142 |
568 |
274 |
21 |
0 |
0 |
| OW |
58 |
468 |
81 |
530 |
184 |
17 |
1 |
0 |
| VODI |
0 |
167 |
37 |
573 |
529 |
62 |
19 |
0 |
| ODI |
0 |
67 |
14 |
193 |
765 |
188 |
37 |
0 |
| CDI |
0 |
39 |
15 |
154 |
799 |
858 |
185 |
84 |
| VCDI |
0 |
16 |
8 |
176 |
1216 |
5651 |
24078 |
65265 |
|
...date precedes bulletin
|
Date: 2021-03-11:
| 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 |
68982 |
14559 |
133 |
501 |
165 |
27 |
9 |
0 |
| OW |
54 |
518 |
85 |
486 |
139 |
8 |
0 |
0 |
| VODI |
0 |
242 |
42 |
643 |
455 |
30 |
0 |
0 |
| ODI |
0 |
124 |
15 |
195 |
674 |
132 |
2 |
0 |
| CDI |
0 |
52 |
24 |
167 |
652 |
685 |
152 |
104 |
| VCDI |
0 |
15 |
7 |
368 |
1467 |
4659 |
24862 |
65614 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68982 |
14574 |
145 |
507 |
167 |
25 |
9 |
0 |
| OW |
54 |
487 |
72 |
470 |
156 |
8 |
0 |
0 |
| VODI |
0 |
260 |
44 |
613 |
438 |
34 |
0 |
0 |
| ODI |
0 |
119 |
16 |
238 |
677 |
134 |
2 |
0 |
| CDI |
0 |
56 |
21 |
162 |
650 |
686 |
157 |
111 |
| VCDI |
0 |
14 |
8 |
370 |
1464 |
4654 |
24857 |
65607 |
|
Date: 2021-03-13:
| 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 |
68844 |
14553 |
125 |
500 |
210 |
41 |
2 |
0 |
| OW |
58 |
611 |
75 |
482 |
140 |
22 |
0 |
0 |
| VODI |
0 |
327 |
33 |
592 |
384 |
47 |
5 |
0 |
| ODI |
0 |
156 |
15 |
180 |
557 |
95 |
36 |
0 |
| CDI |
0 |
92 |
23 |
171 |
541 |
531 |
147 |
9 |
| VCDI |
0 |
41 |
16 |
349 |
1373 |
5558 |
27757 |
62350 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68844 |
14550 |
136 |
521 |
202 |
40 |
2 |
0 |
| OW |
58 |
548 |
58 |
469 |
151 |
21 |
0 |
0 |
| VODI |
0 |
396 |
35 |
558 |
387 |
45 |
5 |
0 |
| ODI |
0 |
148 |
22 |
202 |
518 |
102 |
39 |
0 |
| CDI |
0 |
97 |
18 |
172 |
546 |
521 |
161 |
17 |
| VCDI |
0 |
41 |
18 |
352 |
1401 |
5565 |
27740 |
62342 |
|
Date: 2021-03-15:
| 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 |
69551 |
13662 |
115 |
530 |
257 |
12 |
0 |
0 |
| OW |
54 |
580 |
85 |
384 |
185 |
40 |
0 |
0 |
| VODI |
0 |
220 |
43 |
610 |
409 |
81 |
8 |
0 |
| ODI |
0 |
78 |
16 |
261 |
689 |
162 |
28 |
0 |
| CDI |
0 |
30 |
7 |
191 |
704 |
569 |
85 |
13 |
| VCDI |
0 |
2 |
5 |
144 |
1096 |
5564 |
30398 |
60180 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69550 |
13341 |
123 |
528 |
294 |
25 |
0 |
0 |
| OW |
55 |
630 |
70 |
317 |
181 |
47 |
0 |
0 |
| VODI |
0 |
314 |
41 |
561 |
427 |
121 |
45 |
0 |
| ODI |
0 |
141 |
7 |
222 |
482 |
165 |
37 |
0 |
| CDI |
0 |
82 |
19 |
155 |
599 |
543 |
212 |
14 |
| VCDI |
0 |
64 |
11 |
337 |
1357 |
5527 |
30225 |
60179 |
|
Date: 2021-03-17:
| 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 |
69073 |
13895 |
147 |
575 |
220 |
8 |
0 |
0 |
| OW |
58 |
528 |
63 |
381 |
238 |
39 |
0 |
0 |
| VODI |
0 |
222 |
41 |
488 |
438 |
75 |
2 |
0 |
| ODI |
0 |
63 |
7 |
206 |
652 |
159 |
9 |
0 |
| CDI |
0 |
26 |
10 |
105 |
715 |
734 |
153 |
8 |
| VCDI |
0 |
9 |
3 |
61 |
951 |
5214 |
20703 |
70769 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69076 |
13598 |
144 |
575 |
264 |
18 |
0 |
0 |
| OW |
55 |
581 |
40 |
331 |
217 |
40 |
0 |
0 |
| VODI |
0 |
345 |
40 |
365 |
429 |
79 |
4 |
0 |
| ODI |
0 |
122 |
24 |
233 |
548 |
185 |
13 |
7 |
| CDI |
0 |
62 |
15 |
181 |
568 |
556 |
153 |
131 |
| VCDI |
0 |
35 |
8 |
131 |
1188 |
5351 |
20697 |
70639 |
|
Date: 2021-03-19:
| 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 |
68437 |
14470 |
131 |
503 |
236 |
41 |
0 |
0 |
| OW |
64 |
578 |
75 |
459 |
147 |
21 |
1 |
0 |
| VODI |
0 |
215 |
55 |
613 |
416 |
66 |
2 |
0 |
| ODI |
0 |
53 |
20 |
299 |
687 |
136 |
1 |
0 |
| CDI |
0 |
21 |
6 |
168 |
1022 |
800 |
89 |
7 |
| VCDI |
0 |
9 |
3 |
71 |
1141 |
5642 |
14355 |
75988 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68447 |
14197 |
120 |
571 |
247 |
42 |
1 |
0 |
| OW |
54 |
588 |
69 |
397 |
187 |
25 |
1 |
0 |
| VODI |
0 |
369 |
57 |
476 |
410 |
59 |
1 |
0 |
| ODI |
0 |
112 |
24 |
318 |
566 |
142 |
1 |
43 |
| CDI |
0 |
48 |
10 |
206 |
982 |
832 |
87 |
138 |
| VCDI |
0 |
32 |
10 |
145 |
1257 |
5606 |
14357 |
75814 |
|
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