Validation of sea ice concentration - Full domain
Bulletin date: 2020-12-31
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-12-25:
| 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 |
77262 |
13254 |
135 |
479 |
243 |
35 |
8 |
0 |
| OW |
65 |
682 |
51 |
320 |
134 |
34 |
8 |
0 |
| VODI |
0 |
426 |
44 |
420 |
344 |
71 |
9 |
0 |
| ODI |
0 |
157 |
36 |
345 |
428 |
210 |
8 |
0 |
| CDI |
0 |
80 |
15 |
254 |
943 |
553 |
40 |
1 |
| VCDI |
0 |
63 |
14 |
216 |
1660 |
8275 |
25185 |
54541 |
|
...date precedes bulletin
|
Date: 2020-12-27:
| 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 |
78174 |
12306 |
97 |
377 |
267 |
96 |
24 |
0 |
| OW |
68 |
849 |
46 |
280 |
175 |
41 |
10 |
0 |
| VODI |
0 |
621 |
48 |
412 |
296 |
75 |
12 |
0 |
| ODI |
0 |
250 |
52 |
359 |
329 |
189 |
8 |
0 |
| CDI |
0 |
205 |
40 |
278 |
722 |
463 |
81 |
3 |
| VCDI |
0 |
190 |
35 |
331 |
1916 |
7501 |
23644 |
56178 |
|
...date precedes bulletin
|
Date: 2020-12-29:
| 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 |
77147 |
13636 |
104 |
459 |
207 |
39 |
5 |
0 |
| OW |
65 |
586 |
76 |
394 |
155 |
12 |
6 |
0 |
| VODI |
0 |
294 |
56 |
515 |
387 |
28 |
7 |
0 |
| ODI |
0 |
149 |
24 |
373 |
512 |
108 |
6 |
0 |
| CDI |
0 |
93 |
16 |
220 |
1038 |
821 |
102 |
2 |
| VCDI |
0 |
151 |
21 |
309 |
1758 |
7237 |
20223 |
59707 |
|
...date precedes bulletin
|
Date: 2020-12-31:
| 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 |
77002 |
13157 |
113 |
402 |
236 |
117 |
11 |
0 |
| OW |
67 |
808 |
65 |
321 |
126 |
52 |
8 |
0 |
| VODI |
0 |
412 |
62 |
541 |
212 |
102 |
8 |
0 |
| ODI |
0 |
150 |
25 |
393 |
350 |
201 |
14 |
0 |
| CDI |
0 |
100 |
10 |
306 |
767 |
732 |
97 |
1 |
| VCDI |
0 |
183 |
32 |
439 |
2000 |
7116 |
20559 |
59751 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77002 |
13275 |
118 |
432 |
241 |
125 |
12 |
0 |
| OW |
67 |
732 |
70 |
355 |
128 |
53 |
10 |
0 |
| VODI |
0 |
395 |
52 |
559 |
219 |
114 |
10 |
0 |
| ODI |
0 |
145 |
24 |
337 |
344 |
174 |
12 |
0 |
| CDI |
0 |
98 |
13 |
281 |
741 |
701 |
90 |
1 |
| VCDI |
0 |
165 |
30 |
438 |
2018 |
7153 |
20563 |
59751 |
|
Date: 2021-01-02:
| 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 |
77438 |
12249 |
118 |
438 |
240 |
122 |
11 |
0 |
| OW |
67 |
880 |
67 |
338 |
160 |
60 |
25 |
0 |
| VODI |
0 |
567 |
53 |
516 |
284 |
103 |
32 |
0 |
| ODI |
0 |
184 |
29 |
325 |
394 |
248 |
18 |
0 |
| CDI |
0 |
157 |
19 |
289 |
665 |
766 |
92 |
16 |
| VCDI |
0 |
233 |
32 |
518 |
2039 |
7401 |
23012 |
56843 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77438 |
12273 |
125 |
451 |
234 |
114 |
10 |
0 |
| OW |
67 |
895 |
56 |
336 |
168 |
69 |
22 |
0 |
| VODI |
0 |
552 |
55 |
521 |
292 |
96 |
26 |
0 |
| ODI |
0 |
178 |
32 |
316 |
372 |
248 |
24 |
0 |
| CDI |
0 |
151 |
16 |
264 |
648 |
718 |
114 |
18 |
| VCDI |
0 |
221 |
34 |
536 |
2068 |
7455 |
22994 |
56841 |
|
Date: 2021-01-04:
| 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 |
76499 |
13917 |
156 |
506 |
170 |
38 |
0 |
0 |
| OW |
65 |
600 |
80 |
575 |
151 |
39 |
0 |
0 |
| VODI |
0 |
232 |
68 |
716 |
375 |
83 |
3 |
0 |
| ODI |
0 |
115 |
15 |
345 |
560 |
136 |
17 |
0 |
| CDI |
0 |
90 |
12 |
208 |
908 |
891 |
103 |
40 |
| VCDI |
0 |
122 |
19 |
286 |
1511 |
6502 |
21323 |
59572 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76493 |
12576 |
129 |
522 |
289 |
96 |
1 |
0 |
| OW |
71 |
990 |
72 |
411 |
180 |
80 |
15 |
0 |
| VODI |
0 |
728 |
50 |
496 |
305 |
115 |
33 |
0 |
| ODI |
0 |
271 |
36 |
304 |
399 |
197 |
38 |
0 |
| CDI |
0 |
176 |
20 |
301 |
584 |
627 |
121 |
49 |
| VCDI |
0 |
335 |
43 |
602 |
1918 |
6574 |
21238 |
59563 |
|
Date: 2021-01-06:
| 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 |
75680 |
13997 |
162 |
645 |
205 |
38 |
0 |
0 |
| OW |
65 |
742 |
82 |
588 |
207 |
15 |
0 |
0 |
| VODI |
0 |
473 |
48 |
664 |
517 |
61 |
0 |
0 |
| ODI |
0 |
253 |
41 |
425 |
578 |
178 |
7 |
0 |
| CDI |
0 |
215 |
32 |
335 |
881 |
809 |
176 |
25 |
| VCDI |
0 |
87 |
15 |
376 |
2409 |
8081 |
25688 |
52248 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75678 |
12927 |
145 |
693 |
308 |
69 |
0 |
0 |
| OW |
67 |
819 |
81 |
465 |
227 |
49 |
0 |
0 |
| VODI |
0 |
947 |
45 |
577 |
504 |
134 |
0 |
0 |
| ODI |
0 |
474 |
40 |
391 |
514 |
203 |
2 |
0 |
| CDI |
0 |
233 |
19 |
254 |
701 |
603 |
47 |
30 |
| VCDI |
0 |
367 |
50 |
653 |
2543 |
8124 |
25822 |
52243 |
|
Date: 2021-01-08:
| 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 |
76018 |
13424 |
132 |
554 |
149 |
39 |
0 |
0 |
| OW |
67 |
877 |
79 |
495 |
140 |
12 |
0 |
0 |
| VODI |
0 |
665 |
63 |
763 |
451 |
36 |
0 |
0 |
| ODI |
0 |
373 |
33 |
409 |
485 |
104 |
0 |
0 |
| CDI |
0 |
185 |
26 |
283 |
801 |
482 |
34 |
41 |
| VCDI |
0 |
77 |
16 |
259 |
1699 |
9576 |
25408 |
52793 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76018 |
12909 |
130 |
612 |
237 |
63 |
0 |
0 |
| OW |
67 |
900 |
52 |
314 |
163 |
28 |
0 |
0 |
| VODI |
0 |
955 |
76 |
477 |
388 |
50 |
0 |
0 |
| ODI |
0 |
424 |
41 |
631 |
409 |
121 |
0 |
0 |
| CDI |
0 |
212 |
24 |
366 |
765 |
340 |
107 |
33 |
| VCDI |
0 |
201 |
26 |
363 |
1763 |
9647 |
25335 |
52801 |
|
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