Validation of sea ice concentration - Full domain
Bulletin date: 2023-07-20
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-14:
| 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 |
93353 |
20926 |
1044 |
1276 |
393 |
35 |
1 |
0 |
| OW |
0 |
884 |
575 |
1659 |
547 |
32 |
1 |
0 |
| VODI |
0 |
366 |
382 |
2611 |
3004 |
242 |
17 |
0 |
| ODI |
0 |
68 |
106 |
1160 |
10222 |
2451 |
62 |
0 |
| CDI |
0 |
37 |
36 |
237 |
11195 |
18901 |
723 |
0 |
| VCDI |
0 |
5 |
0 |
13 |
1280 |
11469 |
1735 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-16:
| 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 |
93437 |
21579 |
1081 |
1427 |
312 |
49 |
0 |
0 |
| OW |
0 |
1109 |
641 |
1962 |
628 |
38 |
0 |
0 |
| VODI |
0 |
460 |
390 |
2554 |
3428 |
258 |
6 |
0 |
| ODI |
0 |
48 |
95 |
1315 |
10860 |
2266 |
43 |
0 |
| CDI |
0 |
35 |
29 |
254 |
9779 |
18292 |
1015 |
0 |
| VCDI |
0 |
4 |
0 |
7 |
413 |
11889 |
1345 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-18:
| 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 |
96508 |
20269 |
1166 |
1394 |
359 |
53 |
1 |
0 |
| OW |
0 |
806 |
581 |
1584 |
295 |
25 |
0 |
0 |
| VODI |
0 |
218 |
387 |
3618 |
2771 |
100 |
1 |
0 |
| ODI |
0 |
23 |
37 |
1466 |
14616 |
2809 |
24 |
0 |
| CDI |
0 |
13 |
14 |
93 |
5748 |
22360 |
820 |
0 |
| VCDI |
0 |
5 |
0 |
0 |
22 |
7537 |
1325 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-20:
| 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 |
97574 |
20685 |
1206 |
1299 |
269 |
40 |
0 |
0 |
| OW |
0 |
1037 |
750 |
1945 |
346 |
31 |
0 |
0 |
| VODI |
0 |
215 |
359 |
3534 |
3406 |
177 |
1 |
0 |
| ODI |
0 |
27 |
48 |
1550 |
13677 |
2410 |
39 |
0 |
| CDI |
0 |
10 |
19 |
151 |
6371 |
21277 |
722 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
15 |
6785 |
1069 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97574 |
20819 |
1262 |
1603 |
297 |
43 |
0 |
0 |
| OW |
0 |
892 |
671 |
1678 |
429 |
29 |
0 |
0 |
| VODI |
0 |
227 |
382 |
3404 |
3344 |
180 |
1 |
0 |
| ODI |
0 |
25 |
44 |
1620 |
13623 |
2450 |
38 |
0 |
| CDI |
0 |
11 |
23 |
174 |
6375 |
21364 |
722 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
16 |
6654 |
1070 |
0 |
|
Date: 2023-07-22:
| 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 |
97925 |
21166 |
1392 |
1667 |
205 |
28 |
1 |
0 |
| OW |
0 |
943 |
813 |
2235 |
681 |
38 |
0 |
0 |
| VODI |
0 |
206 |
359 |
3407 |
4520 |
231 |
14 |
0 |
| ODI |
0 |
45 |
41 |
1439 |
11991 |
2576 |
43 |
0 |
| CDI |
0 |
9 |
21 |
180 |
6162 |
21417 |
509 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
61 |
5680 |
1039 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97925 |
21320 |
1514 |
1958 |
330 |
30 |
1 |
0 |
| OW |
0 |
771 |
667 |
1943 |
723 |
29 |
0 |
0 |
| VODI |
0 |
222 |
366 |
3338 |
4364 |
280 |
8 |
0 |
| ODI |
0 |
42 |
59 |
1466 |
12103 |
2737 |
47 |
0 |
| CDI |
0 |
14 |
20 |
223 |
6039 |
21379 |
497 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
61 |
5515 |
1053 |
0 |
|
Date: 2023-07-24:
| 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 |
98406 |
21622 |
1554 |
1735 |
175 |
24 |
0 |
0 |
| OW |
0 |
754 |
678 |
1368 |
269 |
18 |
0 |
0 |
| VODI |
0 |
290 |
486 |
4941 |
2197 |
89 |
8 |
0 |
| ODI |
0 |
23 |
46 |
1764 |
15402 |
1732 |
28 |
0 |
| CDI |
0 |
1 |
9 |
67 |
2676 |
27750 |
746 |
0 |
| VCDI |
0 |
4 |
0 |
1 |
10 |
1660 |
515 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98406 |
21593 |
1702 |
2369 |
448 |
37 |
0 |
0 |
| OW |
0 |
722 |
574 |
2006 |
1026 |
57 |
1 |
0 |
| VODI |
0 |
310 |
415 |
3601 |
4538 |
582 |
28 |
0 |
| ODI |
0 |
48 |
41 |
1683 |
10262 |
3215 |
84 |
0 |
| CDI |
0 |
17 |
41 |
213 |
4399 |
23495 |
956 |
0 |
| VCDI |
0 |
4 |
0 |
4 |
56 |
3887 |
228 |
0 |
|
Date: 2023-07-26:
| 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 |
97602 |
23923 |
1554 |
1653 |
202 |
24 |
0 |
0 |
| OW |
0 |
713 |
689 |
1785 |
437 |
48 |
0 |
0 |
| VODI |
0 |
228 |
387 |
5201 |
3257 |
182 |
15 |
0 |
| ODI |
0 |
34 |
42 |
1183 |
13334 |
2698 |
69 |
0 |
| CDI |
0 |
9 |
14 |
65 |
3199 |
22812 |
2785 |
0 |
| VCDI |
0 |
4 |
0 |
2 |
17 |
2762 |
119 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97602 |
23701 |
1676 |
2500 |
565 |
43 |
0 |
0 |
| OW |
0 |
713 |
523 |
2109 |
1215 |
112 |
9 |
0 |
| VODI |
0 |
406 |
364 |
3787 |
5081 |
631 |
49 |
0 |
| ODI |
0 |
57 |
84 |
1309 |
9346 |
3212 |
173 |
0 |
| CDI |
0 |
30 |
39 |
177 |
4131 |
21830 |
2580 |
0 |
| VCDI |
0 |
4 |
0 |
7 |
108 |
2698 |
177 |
0 |
|
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 |
98823 |
23681 |
1500 |
1481 |
199 |
28 |
0 |
0 |
| OW |
0 |
869 |
936 |
2203 |
429 |
51 |
3 |
0 |
| VODI |
0 |
229 |
376 |
5468 |
4104 |
159 |
4 |
0 |
| ODI |
0 |
22 |
44 |
955 |
12158 |
3122 |
53 |
0 |
| CDI |
0 |
9 |
16 |
50 |
3192 |
18406 |
4299 |
0 |
| VCDI |
0 |
4 |
0 |
2 |
24 |
2724 |
1425 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98821 |
23470 |
1797 |
2665 |
575 |
62 |
0 |
0 |
| OW |
2 |
788 |
519 |
2655 |
1284 |
113 |
3 |
0 |
| VODI |
0 |
428 |
401 |
3664 |
5460 |
684 |
36 |
0 |
| ODI |
0 |
91 |
112 |
1025 |
8330 |
3525 |
197 |
0 |
| CDI |
0 |
33 |
43 |
142 |
4393 |
18021 |
3951 |
0 |
| VCDI |
0 |
4 |
0 |
8 |
64 |
2085 |
1597 |
0 |
|
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