Validation of sea ice concentration - Full domain
Bulletin date: 2023-01-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-01-13:
| 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 |
76206 |
11785 |
105 |
287 |
164 |
64 |
0 |
0 |
| OW |
75 |
885 |
44 |
277 |
108 |
33 |
4 |
0 |
| VODI |
0 |
716 |
43 |
349 |
221 |
33 |
7 |
0 |
| ODI |
0 |
265 |
30 |
310 |
295 |
64 |
8 |
0 |
| CDI |
0 |
141 |
18 |
269 |
452 |
283 |
72 |
7 |
| VCDI |
0 |
211 |
27 |
429 |
1704 |
5900 |
25787 |
59370 |
|
...date precedes bulletin
|
Date: 2023-01-15:
| 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 |
74888 |
12379 |
110 |
332 |
148 |
41 |
0 |
0 |
| OW |
74 |
946 |
49 |
294 |
119 |
42 |
0 |
0 |
| VODI |
0 |
728 |
37 |
342 |
231 |
56 |
4 |
0 |
| ODI |
0 |
456 |
25 |
259 |
252 |
78 |
11 |
0 |
| CDI |
0 |
215 |
18 |
272 |
466 |
260 |
93 |
4 |
| VCDI |
0 |
311 |
30 |
546 |
1939 |
6492 |
23847 |
60654 |
|
...date precedes bulletin
|
Date: 2023-01-17:
| 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 |
74340 |
13152 |
95 |
289 |
120 |
13 |
0 |
0 |
| OW |
74 |
786 |
74 |
331 |
84 |
8 |
0 |
0 |
| VODI |
0 |
545 |
43 |
480 |
331 |
20 |
0 |
0 |
| ODI |
0 |
229 |
10 |
347 |
389 |
65 |
0 |
0 |
| CDI |
0 |
192 |
15 |
258 |
499 |
307 |
18 |
9 |
| VCDI |
0 |
325 |
34 |
417 |
1783 |
7662 |
24501 |
59203 |
|
...date precedes bulletin
|
Date: 2023-01-19:
| 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 |
74815 |
12894 |
80 |
189 |
86 |
11 |
0 |
0 |
| OW |
79 |
831 |
50 |
276 |
63 |
10 |
0 |
0 |
| VODI |
0 |
561 |
65 |
440 |
262 |
9 |
0 |
0 |
| ODI |
0 |
223 |
28 |
365 |
318 |
56 |
0 |
0 |
| CDI |
0 |
170 |
10 |
324 |
369 |
217 |
33 |
12 |
| VCDI |
0 |
410 |
33 |
390 |
2089 |
5967 |
21397 |
63916 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74815 |
12945 |
83 |
207 |
90 |
11 |
0 |
0 |
| OW |
79 |
735 |
49 |
236 |
61 |
11 |
0 |
0 |
| VODI |
0 |
589 |
60 |
401 |
229 |
16 |
0 |
0 |
| ODI |
0 |
269 |
29 |
382 |
324 |
49 |
0 |
0 |
| CDI |
0 |
162 |
13 |
338 |
383 |
206 |
34 |
12 |
| VCDI |
0 |
389 |
32 |
420 |
2100 |
5977 |
21396 |
63916 |
|
Date: 2023-01-21:
| 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 |
76317 |
11169 |
83 |
273 |
110 |
11 |
0 |
0 |
| OW |
88 |
859 |
59 |
270 |
129 |
21 |
0 |
0 |
| VODI |
1 |
599 |
45 |
404 |
380 |
51 |
0 |
0 |
| ODI |
0 |
273 |
24 |
353 |
319 |
118 |
2 |
0 |
| CDI |
0 |
207 |
9 |
297 |
386 |
422 |
86 |
17 |
| VCDI |
0 |
529 |
38 |
502 |
1786 |
6272 |
24061 |
60478 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76316 |
11200 |
85 |
280 |
130 |
6 |
0 |
0 |
| OW |
89 |
800 |
51 |
242 |
129 |
35 |
0 |
0 |
| VODI |
1 |
601 |
47 |
373 |
311 |
43 |
0 |
0 |
| ODI |
0 |
310 |
26 |
367 |
325 |
117 |
3 |
0 |
| CDI |
0 |
233 |
13 |
324 |
394 |
415 |
91 |
17 |
| VCDI |
0 |
492 |
36 |
513 |
1821 |
6279 |
24055 |
60478 |
|
Date: 2023-01-23:
| 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 |
76117 |
11802 |
79 |
290 |
63 |
0 |
0 |
0 |
| OW |
73 |
736 |
54 |
280 |
91 |
0 |
0 |
0 |
| VODI |
0 |
446 |
54 |
762 |
456 |
19 |
0 |
0 |
| ODI |
0 |
182 |
30 |
337 |
655 |
56 |
0 |
0 |
| CDI |
0 |
164 |
18 |
290 |
620 |
438 |
24 |
2 |
| VCDI |
0 |
267 |
20 |
394 |
1393 |
7493 |
21693 |
61650 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76115 |
10838 |
73 |
341 |
124 |
0 |
0 |
0 |
| OW |
75 |
826 |
32 |
184 |
167 |
14 |
0 |
0 |
| VODI |
0 |
725 |
46 |
454 |
359 |
85 |
0 |
0 |
| ODI |
0 |
396 |
27 |
346 |
375 |
129 |
0 |
0 |
| CDI |
0 |
321 |
23 |
309 |
420 |
388 |
60 |
9 |
| VCDI |
0 |
491 |
54 |
719 |
1833 |
7390 |
21657 |
61643 |
|
Date: 2023-01-25:
| 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 |
75013 |
12601 |
107 |
419 |
86 |
1 |
0 |
0 |
| OW |
73 |
501 |
53 |
375 |
154 |
8 |
0 |
0 |
| VODI |
0 |
438 |
37 |
628 |
439 |
37 |
0 |
0 |
| ODI |
0 |
200 |
24 |
346 |
537 |
105 |
0 |
0 |
| CDI |
0 |
166 |
23 |
312 |
713 |
416 |
108 |
36 |
| VCDI |
0 |
277 |
30 |
495 |
2012 |
8504 |
22199 |
59575 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75012 |
11536 |
76 |
306 |
141 |
4 |
0 |
0 |
| OW |
74 |
786 |
26 |
129 |
142 |
49 |
0 |
0 |
| VODI |
0 |
689 |
61 |
456 |
280 |
101 |
2 |
0 |
| ODI |
0 |
370 |
34 |
512 |
475 |
143 |
15 |
0 |
| CDI |
0 |
338 |
25 |
386 |
529 |
329 |
148 |
45 |
| VCDI |
0 |
464 |
52 |
786 |
2374 |
8445 |
22142 |
59566 |
|
Date: 2023-01-27:
| 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 |
74442 |
12652 |
121 |
469 |
134 |
3 |
0 |
0 |
| OW |
74 |
411 |
53 |
328 |
219 |
19 |
0 |
0 |
| VODI |
0 |
324 |
39 |
500 |
386 |
81 |
0 |
0 |
| ODI |
0 |
200 |
24 |
332 |
585 |
181 |
2 |
0 |
| CDI |
0 |
122 |
10 |
198 |
756 |
485 |
154 |
22 |
| VCDI |
0 |
168 |
18 |
337 |
1881 |
7301 |
24088 |
59929 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74456 |
11614 |
82 |
338 |
156 |
21 |
0 |
0 |
| OW |
60 |
649 |
32 |
165 |
98 |
73 |
0 |
0 |
| VODI |
0 |
507 |
51 |
345 |
164 |
114 |
9 |
0 |
| ODI |
0 |
353 |
28 |
340 |
357 |
152 |
48 |
0 |
| CDI |
0 |
303 |
26 |
329 |
779 |
299 |
199 |
36 |
| VCDI |
0 |
451 |
46 |
647 |
2407 |
7411 |
23988 |
59915 |
|
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