Validation of sea ice concentration - Full domain
Bulletin date: 2023-06-29
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-23:
| 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 |
77374 |
21263 |
1650 |
4718 |
1110 |
54 |
6 |
0 |
| OW |
14 |
809 |
379 |
1838 |
1056 |
164 |
23 |
0 |
| VODI |
0 |
358 |
222 |
1287 |
2578 |
503 |
68 |
0 |
| ODI |
0 |
173 |
108 |
518 |
2542 |
1515 |
255 |
0 |
| CDI |
0 |
75 |
128 |
619 |
3801 |
8101 |
2180 |
0 |
| VCDI |
0 |
0 |
3 |
63 |
1096 |
11542 |
25567 |
13288 |
|
...date precedes bulletin
|
Date: 2023-06-25:
| 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 |
77988 |
22668 |
1898 |
4416 |
848 |
71 |
4 |
0 |
| OW |
11 |
791 |
367 |
1606 |
1150 |
214 |
31 |
0 |
| VODI |
0 |
367 |
221 |
1108 |
2146 |
582 |
78 |
0 |
| ODI |
0 |
168 |
102 |
508 |
2473 |
1873 |
128 |
0 |
| CDI |
0 |
120 |
124 |
562 |
3273 |
9884 |
2097 |
0 |
| VCDI |
0 |
0 |
1 |
11 |
763 |
13070 |
30633 |
4693 |
|
...date precedes bulletin
|
Date: 2023-06-27:
| 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 |
79549 |
23826 |
1954 |
3490 |
607 |
35 |
6 |
0 |
| OW |
10 |
471 |
367 |
1350 |
591 |
95 |
9 |
0 |
| VODI |
0 |
213 |
225 |
1628 |
1789 |
298 |
17 |
0 |
| ODI |
0 |
56 |
116 |
834 |
3815 |
1956 |
65 |
0 |
| CDI |
0 |
28 |
46 |
395 |
3005 |
11675 |
1376 |
0 |
| VCDI |
0 |
0 |
1 |
7 |
392 |
14139 |
30338 |
2274 |
|
...date precedes bulletin
|
Date: 2023-06-29:
| 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 |
80488 |
24505 |
1826 |
2927 |
617 |
47 |
1 |
0 |
| OW |
9 |
542 |
402 |
1412 |
741 |
70 |
3 |
0 |
| VODI |
0 |
206 |
206 |
1416 |
2204 |
478 |
17 |
0 |
| ODI |
0 |
67 |
92 |
698 |
3589 |
2038 |
71 |
0 |
| CDI |
0 |
35 |
60 |
407 |
2708 |
12579 |
2677 |
0 |
| VCDI |
0 |
0 |
2 |
4 |
307 |
14452 |
25176 |
3969 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80488 |
24590 |
1885 |
3102 |
696 |
55 |
1 |
0 |
| OW |
9 |
461 |
348 |
1212 |
733 |
73 |
3 |
0 |
| VODI |
0 |
207 |
197 |
1421 |
2005 |
477 |
22 |
0 |
| ODI |
0 |
62 |
94 |
706 |
3581 |
1962 |
76 |
0 |
| CDI |
0 |
35 |
62 |
420 |
2853 |
12626 |
2699 |
0 |
| VCDI |
0 |
0 |
2 |
3 |
298 |
14471 |
25144 |
3969 |
|
Date: 2023-07-01:
| 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 |
82040 |
25080 |
1432 |
2153 |
479 |
38 |
1 |
0 |
| OW |
8 |
734 |
417 |
1432 |
807 |
108 |
2 |
0 |
| VODI |
0 |
210 |
216 |
1232 |
2119 |
1084 |
34 |
0 |
| ODI |
0 |
58 |
85 |
562 |
3013 |
2424 |
80 |
0 |
| CDI |
0 |
48 |
68 |
442 |
3103 |
15593 |
2165 |
0 |
| VCDI |
0 |
0 |
1 |
16 |
1401 |
20717 |
17370 |
276 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82041 |
25276 |
1499 |
2354 |
601 |
61 |
2 |
0 |
| OW |
7 |
543 |
344 |
1221 |
759 |
128 |
4 |
0 |
| VODI |
0 |
203 |
219 |
1240 |
1990 |
972 |
34 |
0 |
| ODI |
0 |
64 |
93 |
552 |
2957 |
2437 |
73 |
0 |
| CDI |
0 |
44 |
63 |
464 |
3152 |
15436 |
2158 |
0 |
| VCDI |
0 |
0 |
1 |
6 |
1463 |
20930 |
17381 |
276 |
|
Date: 2023-07-03:
| 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 |
82437 |
25802 |
1330 |
1842 |
394 |
32 |
0 |
0 |
| OW |
7 |
566 |
455 |
1024 |
396 |
45 |
1 |
0 |
| VODI |
0 |
181 |
298 |
1747 |
1508 |
220 |
7 |
0 |
| ODI |
0 |
36 |
70 |
880 |
5414 |
2213 |
26 |
0 |
| CDI |
0 |
7 |
23 |
262 |
2846 |
23449 |
1343 |
0 |
| VCDI |
0 |
0 |
1 |
14 |
472 |
19069 |
12614 |
17 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82438 |
25645 |
1424 |
2367 |
750 |
113 |
0 |
0 |
| OW |
6 |
539 |
354 |
1094 |
847 |
185 |
24 |
0 |
| VODI |
0 |
279 |
242 |
1214 |
2430 |
839 |
17 |
0 |
| ODI |
0 |
83 |
93 |
612 |
3043 |
2218 |
65 |
0 |
| CDI |
0 |
46 |
63 |
467 |
3155 |
18176 |
1780 |
0 |
| VCDI |
0 |
0 |
1 |
15 |
805 |
23497 |
12105 |
17 |
|
Date: 2023-07-05:
| 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 |
86253 |
23755 |
1057 |
1617 |
305 |
69 |
3 |
0 |
| OW |
6 |
754 |
425 |
993 |
502 |
85 |
2 |
0 |
| VODI |
0 |
309 |
329 |
1679 |
2094 |
236 |
13 |
0 |
| ODI |
0 |
40 |
74 |
749 |
5033 |
2149 |
67 |
0 |
| CDI |
0 |
5 |
23 |
360 |
5157 |
19637 |
2019 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
1976 |
20496 |
8756 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86253 |
23311 |
1120 |
2024 |
762 |
188 |
6 |
0 |
| OW |
6 |
839 |
357 |
1021 |
1000 |
206 |
9 |
0 |
| VODI |
0 |
531 |
259 |
1088 |
2541 |
712 |
36 |
0 |
| ODI |
0 |
147 |
109 |
726 |
3007 |
2134 |
137 |
0 |
| CDI |
0 |
35 |
63 |
521 |
5433 |
16725 |
1550 |
0 |
| VCDI |
0 |
0 |
0 |
39 |
2324 |
22707 |
9122 |
0 |
|
Date: 2023-07-07:
| 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 |
87209 |
23524 |
1098 |
1525 |
326 |
91 |
3 |
0 |
| OW |
6 |
764 |
491 |
1101 |
641 |
98 |
15 |
0 |
| VODI |
0 |
328 |
319 |
1956 |
2514 |
262 |
56 |
0 |
| ODI |
0 |
47 |
60 |
725 |
4910 |
1868 |
75 |
0 |
| CDI |
0 |
21 |
45 |
456 |
5746 |
19815 |
1044 |
0 |
| VCDI |
0 |
1 |
0 |
19 |
1577 |
21689 |
6623 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87210 |
22977 |
1160 |
1980 |
868 |
204 |
37 |
0 |
| OW |
5 |
941 |
394 |
1160 |
1287 |
193 |
46 |
0 |
| VODI |
0 |
514 |
257 |
1195 |
2557 |
470 |
58 |
0 |
| ODI |
0 |
178 |
117 |
793 |
3191 |
1933 |
62 |
0 |
| CDI |
0 |
74 |
85 |
636 |
6039 |
17896 |
1282 |
0 |
| VCDI |
0 |
1 |
0 |
18 |
1772 |
23127 |
6331 |
0 |
|
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