Validation of sea ice concentration - Full domain
Bulletin date: 2022-03-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-11:
| 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 |
67193 |
14329 |
126 |
835 |
579 |
94 |
21 |
0 |
| OW |
54 |
695 |
54 |
273 |
344 |
45 |
18 |
0 |
| VODI |
0 |
508 |
42 |
318 |
437 |
94 |
28 |
0 |
| ODI |
0 |
181 |
44 |
239 |
453 |
187 |
36 |
0 |
| CDI |
0 |
93 |
23 |
292 |
761 |
745 |
81 |
20 |
| VCDI |
0 |
340 |
34 |
587 |
1595 |
6332 |
17801 |
71117 |
|
...date precedes bulletin
|
Date: 2022-03-13:
| 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 |
67995 |
13944 |
124 |
721 |
483 |
109 |
0 |
0 |
| OW |
55 |
724 |
48 |
270 |
282 |
115 |
0 |
0 |
| VODI |
0 |
467 |
62 |
350 |
361 |
177 |
0 |
0 |
| ODI |
0 |
186 |
28 |
302 |
355 |
249 |
15 |
0 |
| CDI |
0 |
95 |
18 |
332 |
776 |
658 |
112 |
24 |
| VCDI |
0 |
434 |
48 |
493 |
1543 |
6500 |
18766 |
69827 |
|
...date precedes bulletin
|
Date: 2022-03-15:
| 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 |
68502 |
14227 |
152 |
968 |
528 |
91 |
0 |
0 |
| OW |
63 |
535 |
76 |
345 |
339 |
66 |
0 |
0 |
| VODI |
4 |
220 |
56 |
480 |
567 |
145 |
0 |
0 |
| ODI |
0 |
47 |
14 |
285 |
667 |
231 |
0 |
0 |
| CDI |
0 |
50 |
4 |
108 |
959 |
907 |
33 |
0 |
| VCDI |
0 |
607 |
55 |
409 |
1512 |
9475 |
20449 |
63872 |
|
...date precedes bulletin
|
Date: 2022-03-17:
| 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 |
68310 |
13864 |
173 |
1041 |
707 |
190 |
0 |
0 |
| OW |
73 |
664 |
42 |
363 |
383 |
150 |
0 |
0 |
| VODI |
9 |
229 |
49 |
403 |
556 |
256 |
7 |
0 |
| ODI |
0 |
111 |
13 |
213 |
698 |
366 |
22 |
0 |
| CDI |
0 |
104 |
6 |
117 |
1049 |
1194 |
282 |
9 |
| VCDI |
0 |
713 |
55 |
400 |
2038 |
8559 |
23106 |
60524 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68314 |
13796 |
172 |
1031 |
721 |
202 |
0 |
0 |
| OW |
70 |
675 |
40 |
345 |
362 |
124 |
0 |
0 |
| VODI |
8 |
291 |
47 |
399 |
548 |
254 |
7 |
0 |
| ODI |
0 |
120 |
15 |
232 |
691 |
354 |
22 |
0 |
| CDI |
0 |
121 |
11 |
121 |
1033 |
1143 |
257 |
8 |
| VCDI |
0 |
682 |
53 |
409 |
2076 |
8638 |
23131 |
60525 |
|
Date: 2022-03-19:
| 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 |
67770 |
13751 |
172 |
1162 |
872 |
228 |
3 |
0 |
| OW |
57 |
718 |
28 |
335 |
391 |
245 |
8 |
0 |
| VODI |
0 |
301 |
39 |
390 |
545 |
364 |
23 |
0 |
| ODI |
0 |
166 |
16 |
201 |
671 |
462 |
23 |
0 |
| CDI |
0 |
139 |
15 |
155 |
1003 |
1377 |
245 |
42 |
| VCDI |
0 |
704 |
55 |
413 |
1501 |
7808 |
24887 |
59763 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67771 |
13754 |
172 |
1186 |
865 |
245 |
3 |
0 |
| OW |
56 |
628 |
27 |
316 |
388 |
216 |
9 |
0 |
| VODI |
0 |
392 |
34 |
373 |
526 |
379 |
19 |
0 |
| ODI |
0 |
189 |
19 |
211 |
648 |
455 |
22 |
0 |
| CDI |
0 |
147 |
18 |
140 |
1114 |
1308 |
229 |
44 |
| VCDI |
0 |
669 |
55 |
430 |
1442 |
7881 |
24907 |
59761 |
|
Date: 2022-03-21:
| 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 |
68130 |
13958 |
158 |
949 |
659 |
139 |
3 |
0 |
| OW |
56 |
590 |
53 |
428 |
392 |
82 |
0 |
0 |
| VODI |
0 |
293 |
48 |
530 |
626 |
211 |
0 |
0 |
| ODI |
0 |
200 |
41 |
233 |
927 |
488 |
11 |
0 |
| CDI |
0 |
260 |
23 |
220 |
1135 |
1937 |
250 |
9 |
| VCDI |
0 |
126 |
12 |
144 |
996 |
6961 |
22270 |
63500 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68134 |
13357 |
162 |
1062 |
900 |
203 |
3 |
0 |
| OW |
52 |
675 |
34 |
283 |
374 |
263 |
0 |
0 |
| VODI |
0 |
480 |
35 |
356 |
434 |
404 |
17 |
0 |
| ODI |
0 |
201 |
22 |
222 |
454 |
476 |
44 |
0 |
| CDI |
0 |
164 |
23 |
159 |
1044 |
1220 |
204 |
23 |
| VCDI |
0 |
550 |
59 |
422 |
1529 |
7252 |
22266 |
63486 |
|
Date: 2022-03-23:
| 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 |
68425 |
14072 |
165 |
884 |
528 |
71 |
0 |
0 |
| OW |
52 |
678 |
71 |
538 |
331 |
85 |
0 |
0 |
| VODI |
0 |
224 |
34 |
449 |
669 |
173 |
4 |
0 |
| ODI |
0 |
140 |
23 |
205 |
699 |
287 |
92 |
0 |
| CDI |
0 |
104 |
11 |
177 |
841 |
1058 |
355 |
10 |
| VCDI |
0 |
454 |
42 |
376 |
998 |
8128 |
22938 |
62657 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68424 |
13621 |
169 |
924 |
713 |
122 |
13 |
0 |
| OW |
53 |
603 |
41 |
378 |
347 |
199 |
14 |
0 |
| VODI |
0 |
422 |
37 |
342 |
554 |
231 |
30 |
0 |
| ODI |
0 |
250 |
18 |
206 |
461 |
297 |
56 |
0 |
| CDI |
0 |
141 |
26 |
242 |
630 |
667 |
332 |
10 |
| VCDI |
0 |
635 |
55 |
537 |
1361 |
8286 |
22944 |
62657 |
|
Date: 2022-03-25:
| 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 |
68286 |
13664 |
144 |
825 |
641 |
118 |
0 |
0 |
| OW |
52 |
564 |
67 |
418 |
391 |
160 |
0 |
0 |
| VODI |
0 |
267 |
36 |
549 |
612 |
244 |
3 |
0 |
| ODI |
0 |
100 |
17 |
246 |
595 |
492 |
53 |
1 |
| CDI |
0 |
54 |
7 |
142 |
641 |
1299 |
395 |
28 |
| VCDI |
0 |
264 |
36 |
339 |
1120 |
8127 |
26982 |
59069 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68285 |
13369 |
149 |
861 |
833 |
345 |
10 |
0 |
| OW |
53 |
533 |
47 |
377 |
333 |
249 |
12 |
0 |
| VODI |
0 |
324 |
34 |
359 |
466 |
338 |
19 |
0 |
| ODI |
0 |
204 |
13 |
215 |
417 |
425 |
35 |
0 |
| CDI |
0 |
170 |
26 |
251 |
549 |
1107 |
340 |
39 |
| VCDI |
0 |
313 |
38 |
456 |
1402 |
7976 |
27017 |
59059 |
|
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