Validation of sea ice concentration - Full domain
Bulletin date: 2023-07-20
Data source: OSI SAF N.H. 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 |
95132 |
18561 |
1228 |
1794 |
308 |
5 |
0 |
0 |
| OW |
0 |
359 |
391 |
2443 |
480 |
25 |
0 |
0 |
| VODI |
0 |
54 |
82 |
3186 |
3165 |
135 |
0 |
0 |
| ODI |
0 |
4 |
18 |
693 |
11386 |
1956 |
12 |
0 |
| CDI |
0 |
0 |
0 |
159 |
9248 |
21013 |
709 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
279 |
12157 |
2064 |
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 |
94674 |
19827 |
1280 |
1860 |
237 |
7 |
0 |
0 |
| OW |
0 |
457 |
441 |
2906 |
560 |
14 |
0 |
0 |
| VODI |
0 |
104 |
116 |
3138 |
3657 |
81 |
0 |
0 |
| ODI |
0 |
5 |
21 |
850 |
11949 |
1796 |
6 |
0 |
| CDI |
0 |
0 |
0 |
159 |
8925 |
19245 |
1075 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
67 |
11799 |
1792 |
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 |
93957 |
22112 |
1609 |
1797 |
254 |
21 |
0 |
0 |
| OW |
0 |
181 |
393 |
2476 |
239 |
2 |
0 |
0 |
| VODI |
0 |
10 |
22 |
4265 |
2748 |
50 |
0 |
0 |
| ODI |
0 |
2 |
1 |
489 |
16778 |
1704 |
1 |
0 |
| CDI |
0 |
0 |
1 |
56 |
4376 |
23863 |
752 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
16 |
6583 |
2289 |
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 |
95586 |
21709 |
1462 |
2118 |
178 |
20 |
0 |
0 |
| OW |
0 |
299 |
502 |
3053 |
251 |
4 |
0 |
0 |
| VODI |
0 |
40 |
32 |
3863 |
3717 |
40 |
0 |
0 |
| ODI |
0 |
4 |
1 |
789 |
15597 |
1346 |
14 |
0 |
| CDI |
0 |
2 |
0 |
83 |
4659 |
23259 |
547 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
5828 |
2030 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95586 |
21751 |
1467 |
2567 |
207 |
20 |
0 |
0 |
| OW |
0 |
253 |
492 |
2615 |
336 |
3 |
0 |
0 |
| VODI |
0 |
45 |
37 |
3776 |
3642 |
38 |
0 |
0 |
| ODI |
0 |
3 |
1 |
846 |
15519 |
1420 |
11 |
0 |
| CDI |
0 |
2 |
0 |
102 |
4695 |
23323 |
547 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
5693 |
2033 |
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 |
95939 |
22821 |
1444 |
2031 |
128 |
21 |
0 |
0 |
| OW |
0 |
377 |
429 |
3445 |
447 |
12 |
0 |
0 |
| VODI |
0 |
47 |
33 |
3510 |
5085 |
61 |
1 |
0 |
| ODI |
0 |
3 |
6 |
753 |
13798 |
1567 |
8 |
0 |
| CDI |
0 |
0 |
1 |
102 |
5009 |
22621 |
565 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
102 |
4865 |
1817 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95939 |
22893 |
1498 |
2504 |
224 |
20 |
0 |
0 |
| OW |
0 |
300 |
366 |
2959 |
500 |
8 |
0 |
0 |
| VODI |
0 |
51 |
43 |
3432 |
4984 |
67 |
1 |
0 |
| ODI |
0 |
3 |
5 |
819 |
13824 |
1794 |
9 |
0 |
| CDI |
0 |
1 |
1 |
127 |
4931 |
22566 |
546 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
106 |
4692 |
1835 |
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 |
98395 |
21488 |
1683 |
1832 |
104 |
14 |
0 |
0 |
| OW |
3 |
121 |
380 |
2403 |
179 |
1 |
0 |
0 |
| VODI |
0 |
19 |
8 |
5854 |
2114 |
16 |
0 |
0 |
| ODI |
0 |
3 |
0 |
507 |
17736 |
744 |
5 |
0 |
| CDI |
0 |
0 |
0 |
35 |
1899 |
28429 |
886 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
1251 |
921 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98395 |
21273 |
1633 |
2925 |
315 |
14 |
0 |
0 |
| OW |
3 |
270 |
331 |
2963 |
807 |
12 |
0 |
0 |
| VODI |
0 |
85 |
103 |
3500 |
5598 |
186 |
2 |
0 |
| ODI |
0 |
3 |
4 |
1071 |
11486 |
2714 |
55 |
0 |
| CDI |
0 |
0 |
0 |
172 |
3748 |
24010 |
1191 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
96 |
3519 |
564 |
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 |
98501 |
22663 |
1641 |
1996 |
153 |
4 |
0 |
0 |
| OW |
2 |
140 |
347 |
2884 |
296 |
3 |
0 |
0 |
| VODI |
0 |
24 |
7 |
5389 |
3818 |
31 |
1 |
0 |
| ODI |
0 |
2 |
0 |
303 |
14591 |
2438 |
26 |
0 |
| CDI |
0 |
0 |
0 |
42 |
2524 |
22244 |
4074 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
2499 |
384 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98500 |
22282 |
1607 |
3244 |
449 |
5 |
0 |
0 |
| OW |
3 |
376 |
290 |
2845 |
1141 |
26 |
0 |
0 |
| VODI |
0 |
167 |
90 |
3578 |
6231 |
228 |
24 |
0 |
| ODI |
0 |
4 |
8 |
794 |
9926 |
3362 |
87 |
0 |
| CDI |
0 |
0 |
0 |
153 |
3533 |
21146 |
3955 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
123 |
2452 |
419 |
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 |
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97312 |
24211 |
1758 |
3586 |
515 |
8 |
0 |
0 |
| OW |
3 |
434 |
214 |
3285 |
1402 |
26 |
0 |
0 |
| VODI |
0 |
214 |
103 |
3478 |
6384 |
484 |
10 |
0 |
| ODI |
0 |
12 |
11 |
706 |
8745 |
3649 |
157 |
0 |
| CDI |
0 |
0 |
0 |
113 |
3550 |
17335 |
5585 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
111 |
1472 |
2082 |
93 |
|
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