Validation of sea ice concentration - Full domain
Bulletin date: 2023-08-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-28:
| 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 |
97314 |
24586 |
1610 |
2039 |
157 |
6 |
0 |
0 |
| OW |
1 |
238 |
450 |
3467 |
335 |
0 |
0 |
0 |
| VODI |
0 |
46 |
25 |
5362 |
4882 |
25 |
0 |
0 |
| ODI |
0 |
1 |
1 |
272 |
12904 |
3166 |
10 |
0 |
| CDI |
0 |
0 |
0 |
28 |
2378 |
17703 |
5861 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
2074 |
1963 |
91 |
|
...date precedes bulletin
|
Date: 2023-07-30:
| 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 |
99061 |
24027 |
1542 |
1912 |
166 |
3 |
0 |
0 |
| OW |
1 |
497 |
600 |
3961 |
390 |
0 |
0 |
0 |
| VODI |
0 |
40 |
57 |
4886 |
5645 |
36 |
0 |
0 |
| ODI |
0 |
0 |
0 |
316 |
10478 |
4515 |
39 |
0 |
| CDI |
0 |
0 |
0 |
31 |
1932 |
14718 |
7385 |
78 |
| VCDI |
0 |
0 |
0 |
0 |
39 |
840 |
2638 |
1215 |
|
...date precedes bulletin
|
Date: 2023-08-01:
| 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 |
102301 |
22737 |
1610 |
1477 |
152 |
3 |
0 |
0 |
| OW |
0 |
175 |
456 |
2774 |
191 |
0 |
0 |
0 |
| VODI |
0 |
13 |
22 |
6210 |
2774 |
15 |
0 |
0 |
| ODI |
0 |
1 |
0 |
377 |
12389 |
1053 |
1 |
0 |
| CDI |
0 |
0 |
0 |
16 |
1645 |
15539 |
1797 |
3 |
| VCDI |
0 |
0 |
0 |
1 |
20 |
985 |
7057 |
5254 |
|
...date precedes bulletin
|
Date: 2023-08-03:
| 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 |
103751 |
22548 |
1316 |
1477 |
109 |
0 |
0 |
0 |
| OW |
1 |
285 |
547 |
3283 |
256 |
0 |
0 |
0 |
| VODI |
0 |
28 |
31 |
6000 |
3165 |
16 |
0 |
0 |
| ODI |
0 |
0 |
0 |
320 |
10796 |
1424 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
2342 |
14392 |
2408 |
4 |
| VCDI |
0 |
0 |
0 |
10 |
42 |
1855 |
7039 |
3575 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103751 |
22539 |
1457 |
1803 |
142 |
0 |
0 |
0 |
| OW |
1 |
280 |
388 |
3221 |
255 |
0 |
0 |
0 |
| VODI |
0 |
42 |
49 |
5569 |
3149 |
16 |
0 |
0 |
| ODI |
0 |
0 |
0 |
486 |
10558 |
1183 |
0 |
0 |
| CDI |
0 |
0 |
0 |
32 |
2565 |
14621 |
2390 |
5 |
| VCDI |
0 |
0 |
0 |
7 |
41 |
1867 |
7057 |
3574 |
|
Date: 2023-08-05:
| 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 |
104779 |
22523 |
1158 |
1498 |
66 |
0 |
0 |
0 |
| OW |
0 |
604 |
681 |
3422 |
259 |
0 |
0 |
0 |
| VODI |
0 |
19 |
72 |
5333 |
3727 |
110 |
0 |
0 |
| ODI |
0 |
0 |
0 |
398 |
9325 |
1872 |
1 |
0 |
| CDI |
0 |
0 |
0 |
44 |
2153 |
14257 |
3492 |
99 |
| VCDI |
0 |
0 |
0 |
2 |
19 |
3102 |
6410 |
1623 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
104779 |
22630 |
1257 |
1928 |
84 |
0 |
0 |
0 |
| OW |
0 |
497 |
580 |
3065 |
439 |
0 |
0 |
0 |
| VODI |
0 |
19 |
74 |
5130 |
3495 |
118 |
0 |
0 |
| ODI |
0 |
0 |
0 |
529 |
9186 |
1558 |
0 |
0 |
| CDI |
0 |
0 |
0 |
43 |
2323 |
14570 |
3495 |
89 |
| VCDI |
0 |
0 |
0 |
2 |
22 |
3095 |
6408 |
1633 |
|
Date: 2023-08-07:
| 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 |
106936 |
22009 |
1463 |
1278 |
111 |
0 |
0 |
0 |
| OW |
0 |
248 |
604 |
2400 |
116 |
0 |
0 |
0 |
| VODI |
0 |
3 |
7 |
7018 |
1280 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
308 |
12046 |
657 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
2805 |
16637 |
560 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
19 |
1400 |
7781 |
1337 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106936 |
21441 |
1357 |
2154 |
165 |
0 |
0 |
0 |
| OW |
0 |
712 |
582 |
3180 |
336 |
0 |
0 |
0 |
| VODI |
0 |
105 |
133 |
4858 |
3404 |
29 |
0 |
0 |
| ODI |
0 |
2 |
2 |
751 |
8050 |
1957 |
0 |
0 |
| CDI |
0 |
0 |
0 |
70 |
4381 |
13876 |
2281 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
41 |
2836 |
6060 |
1337 |
|
Date: 2023-08-09:
| 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 |
107712 |
22615 |
1544 |
1471 |
41 |
0 |
0 |
0 |
| OW |
0 |
359 |
663 |
2482 |
136 |
0 |
0 |
0 |
| VODI |
0 |
21 |
38 |
6395 |
1805 |
8 |
0 |
0 |
| ODI |
0 |
0 |
1 |
424 |
9938 |
2283 |
0 |
0 |
| CDI |
0 |
0 |
0 |
36 |
2716 |
14069 |
2348 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
21 |
1492 |
5763 |
2664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107712 |
21801 |
1417 |
2246 |
73 |
0 |
0 |
0 |
| OW |
0 |
993 |
600 |
2984 |
377 |
0 |
0 |
0 |
| VODI |
0 |
201 |
228 |
4718 |
3252 |
20 |
0 |
0 |
| ODI |
0 |
0 |
1 |
790 |
7938 |
1658 |
0 |
0 |
| CDI |
0 |
0 |
0 |
54 |
2960 |
14704 |
2985 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
57 |
1470 |
5126 |
2666 |
|
Date: 2023-08-11:
| 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 |
110705 |
20940 |
1219 |
1275 |
57 |
0 |
0 |
0 |
| OW |
0 |
796 |
782 |
2546 |
199 |
1 |
0 |
0 |
| VODI |
0 |
44 |
265 |
5902 |
1586 |
103 |
0 |
0 |
| ODI |
0 |
0 |
1 |
1326 |
8351 |
2619 |
377 |
0 |
| CDI |
0 |
0 |
0 |
63 |
3542 |
13653 |
1578 |
1 |
| VCDI |
0 |
0 |
0 |
1 |
28 |
1201 |
6365 |
1522 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
110653 |
19948 |
1277 |
2394 |
162 |
0 |
0 |
0 |
| OW |
46 |
1283 |
490 |
2698 |
384 |
1 |
0 |
0 |
| VODI |
6 |
546 |
454 |
4560 |
2577 |
186 |
0 |
0 |
| ODI |
0 |
3 |
46 |
1339 |
7067 |
1493 |
137 |
0 |
| CDI |
0 |
0 |
0 |
117 |
3520 |
14974 |
2986 |
42 |
| VCDI |
0 |
0 |
0 |
5 |
53 |
923 |
5197 |
1481 |
|
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