Validation of sea ice concentration - Full domain
Bulletin date: 2024-03-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-01:
| 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 |
66009 |
17183 |
423 |
558 |
245 |
169 |
65 |
0 |
| OW |
53 |
923 |
138 |
388 |
164 |
72 |
1 |
0 |
| VODI |
0 |
532 |
160 |
382 |
374 |
167 |
29 |
0 |
| ODI |
0 |
288 |
78 |
184 |
503 |
265 |
95 |
0 |
| CDI |
0 |
172 |
78 |
240 |
459 |
695 |
440 |
9 |
| VCDI |
0 |
273 |
91 |
378 |
1240 |
7991 |
32170 |
53364 |
|
...date precedes bulletin
|
Date: 2024-03-03:
| 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 |
65521 |
16933 |
440 |
741 |
273 |
168 |
89 |
0 |
| OW |
52 |
651 |
118 |
319 |
261 |
105 |
8 |
0 |
| VODI |
0 |
483 |
146 |
497 |
364 |
182 |
61 |
0 |
| ODI |
0 |
219 |
60 |
428 |
403 |
279 |
106 |
0 |
| CDI |
0 |
186 |
60 |
222 |
604 |
765 |
469 |
18 |
| VCDI |
0 |
141 |
90 |
444 |
1051 |
7212 |
29516 |
57363 |
|
...date precedes bulletin
|
Date: 2024-03-05:
| 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 |
65336 |
17458 |
465 |
777 |
317 |
159 |
58 |
0 |
| OW |
52 |
436 |
196 |
368 |
278 |
103 |
4 |
0 |
| VODI |
0 |
195 |
86 |
508 |
550 |
239 |
19 |
0 |
| ODI |
0 |
81 |
54 |
214 |
564 |
435 |
62 |
0 |
| CDI |
0 |
38 |
55 |
256 |
713 |
1215 |
406 |
0 |
| VCDI |
0 |
25 |
21 |
157 |
724 |
6242 |
29182 |
59000 |
|
...date precedes bulletin
|
Date: 2024-03-07:
| 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 |
64238 |
18267 |
762 |
755 |
330 |
146 |
27 |
0 |
| OW |
52 |
511 |
162 |
373 |
241 |
130 |
10 |
0 |
| VODI |
0 |
246 |
105 |
428 |
553 |
253 |
16 |
0 |
| ODI |
0 |
105 |
44 |
232 |
516 |
379 |
62 |
0 |
| CDI |
0 |
53 |
56 |
225 |
692 |
1292 |
448 |
8 |
| VCDI |
0 |
20 |
30 |
142 |
544 |
4770 |
24900 |
64925 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-03-09:
| 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 |
65360 |
17049 |
492 |
766 |
468 |
207 |
56 |
0 |
| OW |
52 |
424 |
175 |
337 |
245 |
172 |
32 |
0 |
| VODI |
0 |
183 |
95 |
450 |
463 |
295 |
71 |
0 |
| ODI |
0 |
90 |
47 |
180 |
454 |
520 |
133 |
0 |
| CDI |
0 |
31 |
49 |
202 |
595 |
1451 |
605 |
18 |
| VCDI |
0 |
23 |
22 |
90 |
338 |
4378 |
24524 |
65906 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-03-11:
| 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 |
65778 |
16634 |
456 |
674 |
301 |
126 |
36 |
0 |
| OW |
87 |
435 |
168 |
418 |
297 |
110 |
23 |
0 |
| VODI |
0 |
138 |
116 |
473 |
537 |
318 |
18 |
0 |
| ODI |
0 |
40 |
47 |
202 |
624 |
616 |
53 |
0 |
| CDI |
0 |
13 |
15 |
73 |
482 |
1978 |
528 |
0 |
| VCDI |
0 |
19 |
31 |
104 |
279 |
4033 |
25344 |
65424 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-03-13:
| 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 |
64956 |
17055 |
773 |
735 |
440 |
177 |
23 |
0 |
| OW |
53 |
462 |
135 |
387 |
281 |
150 |
8 |
0 |
| VODI |
0 |
209 |
122 |
351 |
450 |
352 |
20 |
0 |
| ODI |
0 |
54 |
57 |
174 |
409 |
395 |
64 |
0 |
| CDI |
0 |
14 |
16 |
116 |
561 |
1087 |
436 |
7 |
| VCDI |
0 |
2 |
6 |
73 |
553 |
4516 |
29070 |
62299 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-03-15:
| 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 |
65215 |
16887 |
487 |
713 |
375 |
212 |
15 |
0 |
| OW |
54 |
384 |
206 |
448 |
247 |
124 |
15 |
0 |
| VODI |
0 |
156 |
78 |
417 |
458 |
276 |
64 |
0 |
| ODI |
0 |
47 |
34 |
172 |
341 |
388 |
92 |
0 |
| CDI |
0 |
27 |
16 |
120 |
384 |
666 |
412 |
1 |
| VCDI |
0 |
18 |
12 |
81 |
713 |
4736 |
32416 |
59541 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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