Validation of sea ice concentration - Full domain
Bulletin date: 2023-07-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-21:
| 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 |
96333 |
21689 |
1488 |
2025 |
133 |
18 |
0 |
0 |
| OW |
0 |
336 |
493 |
3375 |
304 |
9 |
0 |
0 |
| VODI |
0 |
39 |
32 |
3795 |
4121 |
43 |
0 |
0 |
| ODI |
0 |
2 |
0 |
857 |
15124 |
1034 |
2 |
0 |
| CDI |
0 |
2 |
0 |
92 |
5950 |
22007 |
438 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
4950 |
2271 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-23:
| 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 |
96841 |
21932 |
1775 |
2316 |
146 |
26 |
0 |
0 |
| OW |
3 |
392 |
389 |
3330 |
647 |
9 |
0 |
0 |
| VODI |
0 |
45 |
45 |
3644 |
5805 |
78 |
1 |
0 |
| ODI |
0 |
3 |
4 |
855 |
12212 |
2169 |
17 |
0 |
| CDI |
0 |
0 |
0 |
122 |
2997 |
25568 |
301 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
4948 |
386 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-25:
| 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 |
97096 |
23375 |
1732 |
2153 |
128 |
17 |
0 |
0 |
| OW |
2 |
112 |
344 |
2566 |
248 |
4 |
0 |
0 |
| VODI |
0 |
19 |
8 |
5380 |
3339 |
22 |
0 |
0 |
| ODI |
0 |
2 |
0 |
320 |
15569 |
2039 |
12 |
0 |
| CDI |
0 |
0 |
0 |
44 |
2435 |
26255 |
1520 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
1855 |
434 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-27:
| 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 |
99357 |
22371 |
1547 |
1913 |
154 |
6 |
0 |
0 |
| OW |
2 |
205 |
419 |
3151 |
338 |
0 |
0 |
0 |
| VODI |
0 |
35 |
9 |
5770 |
3997 |
25 |
1 |
0 |
| ODI |
0 |
1 |
0 |
309 |
13914 |
2604 |
31 |
0 |
| CDI |
0 |
0 |
0 |
34 |
2345 |
19416 |
5353 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
1125 |
2530 |
38 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99357 |
22335 |
1577 |
2207 |
211 |
6 |
0 |
0 |
| OW |
2 |
243 |
381 |
2794 |
353 |
1 |
0 |
0 |
| VODI |
0 |
33 |
17 |
5759 |
3919 |
53 |
2 |
0 |
| ODI |
0 |
0 |
0 |
385 |
13793 |
2403 |
26 |
0 |
| CDI |
0 |
1 |
0 |
32 |
2482 |
19717 |
5446 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
38 |
996 |
2441 |
38 |
|
Date: 2023-07-29:
| 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 |
99265 |
23223 |
1460 |
1986 |
185 |
3 |
0 |
0 |
| OW |
1 |
381 |
580 |
3727 |
367 |
0 |
0 |
0 |
| VODI |
0 |
43 |
24 |
4959 |
5544 |
21 |
0 |
0 |
| ODI |
0 |
2 |
1 |
247 |
11412 |
4065 |
71 |
0 |
| CDI |
0 |
0 |
0 |
29 |
1836 |
16472 |
6473 |
117 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
1466 |
1580 |
1458 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99265 |
23232 |
1495 |
2293 |
250 |
3 |
0 |
0 |
| OW |
1 |
371 |
529 |
3140 |
373 |
0 |
0 |
0 |
| VODI |
0 |
43 |
40 |
5191 |
5413 |
46 |
0 |
0 |
| ODI |
0 |
3 |
1 |
293 |
11257 |
3851 |
73 |
0 |
| CDI |
0 |
0 |
0 |
31 |
2055 |
16971 |
6491 |
149 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
1156 |
1560 |
1426 |
|
Date: 2023-07-31:
| 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 |
98853 |
25665 |
1543 |
1242 |
88 |
3 |
0 |
0 |
| OW |
0 |
197 |
545 |
2342 |
144 |
0 |
0 |
0 |
| VODI |
0 |
11 |
5 |
7114 |
1567 |
3 |
0 |
0 |
| ODI |
0 |
1 |
0 |
363 |
14285 |
417 |
0 |
0 |
| CDI |
0 |
0 |
0 |
23 |
1380 |
16950 |
699 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
679 |
8679 |
4231 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98852 |
25123 |
1471 |
2114 |
159 |
3 |
0 |
0 |
| OW |
1 |
680 |
541 |
3910 |
543 |
0 |
0 |
0 |
| VODI |
0 |
67 |
81 |
4671 |
5418 |
73 |
0 |
0 |
| ODI |
0 |
4 |
0 |
342 |
9378 |
5115 |
17 |
0 |
| CDI |
0 |
0 |
0 |
47 |
1896 |
12722 |
7963 |
1623 |
| VCDI |
0 |
0 |
0 |
0 |
89 |
139 |
1398 |
2608 |
|
Date: 2023-08-02:
| 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 |
101339 |
24075 |
1564 |
1775 |
76 |
0 |
0 |
0 |
| OW |
0 |
223 |
494 |
3111 |
224 |
0 |
0 |
0 |
| VODI |
0 |
26 |
18 |
5889 |
3186 |
19 |
0 |
0 |
| ODI |
0 |
0 |
1 |
568 |
10935 |
1558 |
18 |
0 |
| CDI |
0 |
0 |
0 |
25 |
1843 |
14665 |
2441 |
14 |
| VCDI |
0 |
0 |
0 |
7 |
57 |
1262 |
6432 |
5203 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101338 |
23452 |
1523 |
2729 |
174 |
0 |
0 |
0 |
| OW |
1 |
790 |
480 |
4206 |
925 |
0 |
0 |
0 |
| VODI |
0 |
81 |
73 |
3935 |
5548 |
115 |
4 |
0 |
| ODI |
0 |
1 |
1 |
456 |
8141 |
5555 |
213 |
0 |
| CDI |
0 |
0 |
0 |
48 |
1448 |
11753 |
8082 |
2305 |
| VCDI |
0 |
0 |
0 |
1 |
85 |
81 |
592 |
2912 |
|
Date: 2023-08-04:
| 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 |
104810 |
21963 |
1104 |
1579 |
98 |
0 |
0 |
0 |
| OW |
0 |
409 |
609 |
3391 |
259 |
0 |
0 |
0 |
| VODI |
0 |
18 |
45 |
5937 |
3311 |
14 |
0 |
0 |
| ODI |
0 |
0 |
1 |
327 |
10027 |
1674 |
7 |
0 |
| CDI |
0 |
0 |
0 |
51 |
2298 |
14275 |
2951 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
26 |
2280 |
6963 |
2620 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
104809 |
21371 |
1142 |
3059 |
278 |
0 |
0 |
0 |
| OW |
1 |
910 |
473 |
4294 |
953 |
1 |
0 |
0 |
| VODI |
0 |
108 |
131 |
3449 |
5601 |
145 |
0 |
0 |
| ODI |
0 |
1 |
13 |
416 |
7263 |
6169 |
480 |
0 |
| CDI |
0 |
0 |
0 |
67 |
1903 |
11865 |
8096 |
743 |
| VCDI |
0 |
0 |
0 |
1 |
21 |
63 |
1345 |
1877 |
|
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