Validation of sea ice concentration - Full domain
Bulletin date: 2021-12-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-12-17:
| 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 |
78810 |
15057 |
178 |
651 |
416 |
90 |
1 |
0 |
| OW |
67 |
841 |
94 |
579 |
318 |
46 |
0 |
0 |
| VODI |
0 |
297 |
50 |
691 |
598 |
105 |
0 |
0 |
| ODI |
0 |
125 |
12 |
323 |
815 |
161 |
10 |
0 |
| CDI |
0 |
73 |
15 |
109 |
827 |
822 |
81 |
2 |
| VCDI |
0 |
14 |
12 |
144 |
877 |
6310 |
18091 |
59336 |
|
...date precedes bulletin
|
Date: 2021-12-19:
| 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 |
78635 |
13509 |
153 |
765 |
447 |
210 |
0 |
0 |
| OW |
69 |
798 |
84 |
602 |
471 |
295 |
0 |
0 |
| VODI |
0 |
310 |
58 |
500 |
609 |
345 |
0 |
0 |
| ODI |
0 |
81 |
16 |
268 |
684 |
429 |
12 |
0 |
| CDI |
0 |
93 |
10 |
132 |
776 |
917 |
45 |
5 |
| VCDI |
0 |
18 |
11 |
88 |
911 |
6378 |
16217 |
62097 |
|
...date precedes bulletin
|
Date: 2021-12-21:
| 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 |
76691 |
13648 |
140 |
701 |
396 |
276 |
8 |
0 |
| OW |
69 |
769 |
71 |
549 |
438 |
121 |
19 |
0 |
| VODI |
0 |
287 |
43 |
530 |
707 |
268 |
14 |
0 |
| ODI |
0 |
54 |
17 |
234 |
787 |
541 |
31 |
0 |
| CDI |
0 |
38 |
10 |
89 |
711 |
1576 |
185 |
8 |
| VCDI |
0 |
31 |
8 |
90 |
742 |
6948 |
26492 |
52711 |
|
...date precedes bulletin
|
Date: 2021-12-23:
| 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 |
75263 |
14039 |
156 |
600 |
261 |
286 |
39 |
0 |
| OW |
64 |
709 |
77 |
494 |
258 |
338 |
79 |
0 |
| VODI |
0 |
395 |
46 |
510 |
485 |
429 |
39 |
0 |
| ODI |
0 |
94 |
19 |
242 |
559 |
502 |
145 |
0 |
| CDI |
0 |
36 |
5 |
127 |
689 |
1039 |
305 |
17 |
| VCDI |
0 |
52 |
10 |
198 |
742 |
6380 |
23605 |
57715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75263 |
14065 |
154 |
633 |
272 |
330 |
72 |
0 |
| OW |
64 |
660 |
75 |
480 |
227 |
243 |
50 |
0 |
| VODI |
0 |
420 |
46 |
469 |
501 |
459 |
34 |
0 |
| ODI |
0 |
91 |
22 |
254 |
571 |
482 |
116 |
0 |
| CDI |
0 |
39 |
6 |
134 |
660 |
1145 |
405 |
20 |
| VCDI |
0 |
50 |
10 |
201 |
763 |
6315 |
23535 |
57712 |
|
Date: 2021-12-25:
| 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 |
75504 |
13641 |
120 |
466 |
301 |
220 |
66 |
0 |
| OW |
73 |
753 |
58 |
321 |
227 |
207 |
69 |
0 |
| VODI |
0 |
508 |
68 |
436 |
438 |
437 |
48 |
0 |
| ODI |
0 |
137 |
38 |
409 |
428 |
373 |
133 |
0 |
| CDI |
0 |
74 |
9 |
251 |
594 |
816 |
335 |
21 |
| VCDI |
0 |
119 |
14 |
181 |
1098 |
7434 |
20213 |
60410 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75507 |
13779 |
124 |
510 |
317 |
260 |
109 |
0 |
| OW |
70 |
629 |
60 |
309 |
194 |
171 |
40 |
0 |
| VODI |
0 |
480 |
58 |
394 |
439 |
419 |
37 |
0 |
| ODI |
0 |
149 |
35 |
395 |
453 |
376 |
95 |
0 |
| CDI |
0 |
83 |
17 |
257 |
547 |
854 |
374 |
22 |
| VCDI |
0 |
112 |
13 |
199 |
1136 |
7407 |
20209 |
60409 |
|
Date: 2021-12-27:
| 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 |
74951 |
14140 |
144 |
433 |
297 |
286 |
69 |
0 |
| OW |
72 |
495 |
69 |
355 |
81 |
15 |
7 |
0 |
| VODI |
0 |
241 |
66 |
849 |
375 |
38 |
11 |
0 |
| ODI |
0 |
73 |
11 |
373 |
641 |
136 |
120 |
0 |
| CDI |
0 |
48 |
5 |
118 |
644 |
799 |
814 |
51 |
| VCDI |
0 |
103 |
14 |
137 |
780 |
5347 |
23461 |
60379 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74953 |
13854 |
135 |
549 |
359 |
300 |
94 |
0 |
| OW |
70 |
569 |
52 |
269 |
148 |
23 |
138 |
0 |
| VODI |
0 |
383 |
75 |
528 |
357 |
227 |
309 |
0 |
| ODI |
0 |
101 |
25 |
411 |
363 |
159 |
276 |
0 |
| CDI |
0 |
64 |
5 |
289 |
594 |
632 |
532 |
45 |
| VCDI |
0 |
129 |
17 |
219 |
997 |
5280 |
23133 |
60385 |
|
Date: 2021-12-29:
| 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 |
74310 |
14021 |
166 |
559 |
335 |
387 |
67 |
0 |
| OW |
72 |
448 |
57 |
389 |
121 |
14 |
15 |
0 |
| VODI |
0 |
174 |
37 |
617 |
474 |
43 |
18 |
0 |
| ODI |
0 |
55 |
11 |
273 |
738 |
141 |
54 |
0 |
| CDI |
0 |
39 |
2 |
157 |
660 |
576 |
477 |
1 |
| VCDI |
0 |
157 |
15 |
147 |
709 |
3761 |
22075 |
64676 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74310 |
13782 |
157 |
654 |
386 |
392 |
81 |
0 |
| OW |
72 |
441 |
42 |
261 |
190 |
24 |
36 |
0 |
| VODI |
0 |
300 |
52 |
460 |
410 |
162 |
273 |
0 |
| ODI |
0 |
136 |
19 |
355 |
489 |
270 |
309 |
5 |
| CDI |
0 |
41 |
4 |
242 |
643 |
419 |
521 |
39 |
| VCDI |
0 |
194 |
14 |
170 |
919 |
3655 |
21486 |
64633 |
|
Date: 2021-12-31:
| 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 |
74004 |
13837 |
166 |
612 |
380 |
380 |
26 |
0 |
| OW |
72 |
486 |
44 |
345 |
126 |
21 |
20 |
0 |
| VODI |
0 |
289 |
30 |
411 |
383 |
44 |
20 |
0 |
| ODI |
0 |
82 |
22 |
347 |
659 |
128 |
19 |
0 |
| CDI |
0 |
59 |
1 |
216 |
835 |
462 |
114 |
12 |
| VCDI |
0 |
139 |
18 |
184 |
961 |
3776 |
17949 |
69369 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74003 |
13521 |
156 |
672 |
491 |
390 |
48 |
0 |
| OW |
73 |
484 |
34 |
228 |
178 |
52 |
14 |
0 |
| VODI |
0 |
386 |
34 |
309 |
293 |
164 |
169 |
0 |
| ODI |
0 |
236 |
27 |
343 |
501 |
293 |
223 |
0 |
| CDI |
0 |
106 |
12 |
327 |
633 |
472 |
401 |
40 |
| VCDI |
0 |
159 |
18 |
236 |
1248 |
3440 |
17293 |
69341 |
|
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