Validation of sea ice concentration - Full domain
Bulletin date: 2020-12-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-12-18:
| 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 |
78376 |
13279 |
147 |
609 |
367 |
29 |
0 |
0 |
| OW |
63 |
719 |
59 |
328 |
416 |
68 |
1 |
0 |
| VODI |
0 |
459 |
71 |
547 |
552 |
95 |
22 |
0 |
| ODI |
0 |
86 |
31 |
463 |
939 |
318 |
24 |
0 |
| CDI |
0 |
18 |
15 |
252 |
1448 |
1182 |
101 |
2 |
| VCDI |
0 |
0 |
0 |
181 |
1883 |
9891 |
26802 |
47205 |
|
...date precedes bulletin
|
Date: 2020-12-20:
| 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 |
78038 |
12937 |
129 |
570 |
353 |
86 |
1 |
0 |
| OW |
70 |
663 |
47 |
243 |
287 |
101 |
0 |
0 |
| VODI |
0 |
380 |
70 |
550 |
464 |
271 |
31 |
0 |
| ODI |
0 |
98 |
21 |
424 |
822 |
290 |
74 |
0 |
| CDI |
0 |
7 |
10 |
194 |
1307 |
873 |
196 |
8 |
| VCDI |
0 |
0 |
0 |
131 |
1825 |
9881 |
28039 |
47557 |
|
...date precedes bulletin
|
Date: 2020-12-22:
| 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 |
77219 |
13852 |
154 |
660 |
185 |
28 |
8 |
0 |
| OW |
66 |
449 |
56 |
399 |
186 |
16 |
7 |
0 |
| VODI |
0 |
228 |
44 |
439 |
507 |
36 |
9 |
0 |
| ODI |
0 |
54 |
19 |
310 |
1044 |
188 |
14 |
0 |
| CDI |
0 |
5 |
4 |
156 |
1380 |
831 |
47 |
13 |
| VCDI |
0 |
0 |
0 |
65 |
1089 |
9894 |
27652 |
49735 |
|
...date precedes bulletin
|
Date: 2020-12-24:
| 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 |
77981 |
12754 |
124 |
406 |
196 |
32 |
1 |
0 |
| OW |
65 |
574 |
50 |
344 |
163 |
26 |
1 |
0 |
| VODI |
0 |
353 |
46 |
441 |
383 |
85 |
1 |
0 |
| ODI |
0 |
132 |
30 |
266 |
640 |
163 |
0 |
0 |
| CDI |
0 |
87 |
15 |
236 |
1046 |
742 |
44 |
24 |
| VCDI |
0 |
11 |
13 |
201 |
1656 |
8341 |
26549 |
52826 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77981 |
12756 |
131 |
448 |
221 |
36 |
1 |
0 |
| OW |
65 |
590 |
40 |
326 |
158 |
27 |
1 |
0 |
| VODI |
0 |
342 |
49 |
416 |
397 |
88 |
1 |
0 |
| ODI |
0 |
132 |
31 |
266 |
629 |
147 |
0 |
0 |
| CDI |
0 |
81 |
17 |
246 |
1012 |
758 |
46 |
23 |
| VCDI |
0 |
10 |
10 |
192 |
1667 |
8333 |
26547 |
52827 |
|
Date: 2020-12-26:
| 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 |
77817 |
12694 |
108 |
392 |
264 |
68 |
15 |
0 |
| OW |
66 |
762 |
63 |
325 |
114 |
53 |
10 |
0 |
| VODI |
0 |
523 |
48 |
427 |
276 |
72 |
14 |
0 |
| ODI |
0 |
205 |
34 |
378 |
365 |
167 |
11 |
0 |
| CDI |
0 |
121 |
32 |
259 |
707 |
526 |
94 |
0 |
| VCDI |
0 |
131 |
15 |
310 |
1794 |
7711 |
23315 |
56762 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77818 |
12716 |
114 |
430 |
285 |
79 |
19 |
0 |
| OW |
65 |
734 |
57 |
293 |
117 |
46 |
8 |
0 |
| VODI |
0 |
538 |
46 |
399 |
295 |
78 |
12 |
0 |
| ODI |
0 |
198 |
34 |
365 |
305 |
177 |
16 |
0 |
| CDI |
0 |
129 |
33 |
274 |
672 |
489 |
100 |
5 |
| VCDI |
0 |
121 |
16 |
330 |
1846 |
7728 |
23304 |
56757 |
|
Date: 2020-12-28:
| 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 |
77320 |
13680 |
111 |
408 |
191 |
50 |
17 |
0 |
| OW |
64 |
607 |
72 |
417 |
117 |
9 |
7 |
0 |
| VODI |
0 |
291 |
62 |
573 |
432 |
28 |
9 |
0 |
| ODI |
0 |
157 |
22 |
380 |
651 |
90 |
8 |
0 |
| CDI |
0 |
100 |
22 |
208 |
1231 |
708 |
94 |
5 |
| VCDI |
0 |
160 |
18 |
252 |
1611 |
7300 |
23005 |
56561 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77319 |
12935 |
104 |
447 |
290 |
69 |
27 |
0 |
| OW |
65 |
846 |
45 |
321 |
189 |
23 |
14 |
0 |
| VODI |
0 |
606 |
66 |
364 |
337 |
78 |
11 |
0 |
| ODI |
0 |
246 |
34 |
322 |
343 |
180 |
27 |
0 |
| CDI |
0 |
175 |
26 |
363 |
890 |
419 |
95 |
12 |
| VCDI |
0 |
187 |
32 |
421 |
2184 |
7416 |
22966 |
56554 |
|
Date: 2020-12-30:
| 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 |
77419 |
13070 |
95 |
417 |
240 |
46 |
6 |
0 |
| OW |
73 |
720 |
77 |
310 |
150 |
27 |
2 |
0 |
| VODI |
0 |
342 |
63 |
565 |
276 |
54 |
0 |
0 |
| ODI |
0 |
120 |
25 |
428 |
453 |
144 |
0 |
0 |
| CDI |
0 |
92 |
10 |
286 |
911 |
710 |
35 |
5 |
| VCDI |
0 |
188 |
25 |
348 |
1902 |
7454 |
20053 |
59907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77399 |
12250 |
87 |
412 |
317 |
93 |
8 |
0 |
| OW |
91 |
884 |
42 |
272 |
171 |
42 |
0 |
0 |
| VODI |
2 |
680 |
58 |
346 |
289 |
121 |
1 |
0 |
| ODI |
0 |
279 |
50 |
359 |
255 |
227 |
10 |
0 |
| CDI |
0 |
143 |
23 |
385 |
724 |
612 |
102 |
1 |
| VCDI |
0 |
296 |
35 |
580 |
2176 |
7340 |
19975 |
59911 |
|
Date: 2021-01-01:
| 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 |
78011 |
11938 |
105 |
358 |
241 |
130 |
0 |
0 |
| OW |
67 |
895 |
61 |
300 |
156 |
75 |
0 |
0 |
| VODI |
0 |
502 |
66 |
502 |
260 |
124 |
0 |
0 |
| ODI |
0 |
184 |
31 |
344 |
367 |
232 |
0 |
0 |
| CDI |
0 |
124 |
22 |
313 |
611 |
838 |
89 |
8 |
| VCDI |
0 |
204 |
29 |
528 |
1840 |
7279 |
24846 |
55368 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78008 |
11266 |
93 |
349 |
302 |
202 |
0 |
0 |
| OW |
70 |
926 |
36 |
201 |
169 |
94 |
0 |
0 |
| VODI |
0 |
726 |
58 |
307 |
209 |
174 |
1 |
0 |
| ODI |
0 |
355 |
37 |
353 |
188 |
269 |
17 |
0 |
| CDI |
0 |
234 |
34 |
310 |
554 |
577 |
166 |
93 |
| VCDI |
0 |
340 |
56 |
825 |
2053 |
7362 |
24751 |
55283 |
|
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