Validation of sea ice concentration - Full domain
Bulletin date: 2022-10-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-14:
| 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 |
111585 |
20123 |
186 |
772 |
210 |
49 |
0 |
0 |
| OW |
30 |
1553 |
143 |
1103 |
711 |
50 |
0 |
0 |
| VODI |
24 |
262 |
51 |
736 |
1657 |
746 |
7 |
0 |
| ODI |
0 |
45 |
11 |
167 |
822 |
1365 |
74 |
0 |
| CDI |
0 |
30 |
3 |
116 |
352 |
2171 |
468 |
0 |
| VCDI |
0 |
8 |
2 |
61 |
443 |
3602 |
17430 |
19880 |
|
...date precedes bulletin
|
Date: 2022-10-16:
| 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 |
109907 |
19895 |
176 |
690 |
262 |
53 |
0 |
0 |
| OW |
30 |
1931 |
169 |
1267 |
613 |
44 |
0 |
0 |
| VODI |
13 |
302 |
60 |
922 |
1634 |
538 |
0 |
0 |
| ODI |
10 |
62 |
14 |
171 |
880 |
1468 |
28 |
0 |
| CDI |
0 |
22 |
8 |
112 |
495 |
2095 |
379 |
0 |
| VCDI |
0 |
4 |
0 |
51 |
416 |
4320 |
18187 |
19820 |
|
...date precedes bulletin
|
Date: 2022-10-18:
| 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 |
106788 |
21473 |
189 |
818 |
394 |
5 |
0 |
0 |
| OW |
13 |
1481 |
156 |
839 |
309 |
5 |
0 |
0 |
| VODI |
1 |
259 |
53 |
1146 |
1273 |
97 |
0 |
0 |
| ODI |
0 |
44 |
7 |
200 |
1747 |
653 |
0 |
0 |
| CDI |
0 |
14 |
2 |
76 |
818 |
3318 |
263 |
0 |
| VCDI |
0 |
0 |
2 |
39 |
364 |
5026 |
19451 |
19725 |
|
...date precedes bulletin
|
Date: 2022-10-20:
| 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 |
107612 |
18573 |
182 |
903 |
349 |
8 |
0 |
0 |
| OW |
25 |
1896 |
141 |
869 |
396 |
14 |
0 |
0 |
| VODI |
1 |
814 |
58 |
978 |
1296 |
109 |
0 |
0 |
| ODI |
0 |
141 |
27 |
530 |
1375 |
543 |
0 |
0 |
| CDI |
0 |
18 |
4 |
293 |
1124 |
1770 |
47 |
5 |
| VCDI |
0 |
6 |
2 |
77 |
740 |
6670 |
18057 |
21395 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107613 |
19048 |
202 |
999 |
386 |
11 |
0 |
0 |
| OW |
21 |
1511 |
109 |
725 |
340 |
4 |
0 |
0 |
| VODI |
4 |
760 |
73 |
1059 |
1280 |
152 |
0 |
0 |
| ODI |
0 |
110 |
24 |
582 |
1496 |
517 |
12 |
0 |
| CDI |
0 |
13 |
4 |
222 |
1058 |
1758 |
100 |
5 |
| VCDI |
0 |
6 |
2 |
63 |
720 |
6672 |
17992 |
21395 |
|
Date: 2022-10-22:
| 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 |
107397 |
16831 |
158 |
788 |
370 |
69 |
0 |
0 |
| OW |
36 |
1790 |
146 |
1324 |
680 |
57 |
0 |
0 |
| VODI |
0 |
917 |
61 |
803 |
1417 |
260 |
0 |
0 |
| ODI |
0 |
141 |
39 |
500 |
1210 |
769 |
37 |
0 |
| CDI |
0 |
19 |
10 |
248 |
915 |
1826 |
175 |
0 |
| VCDI |
0 |
0 |
2 |
109 |
721 |
5709 |
17866 |
23648 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107409 |
17055 |
193 |
948 |
515 |
99 |
0 |
0 |
| OW |
24 |
1662 |
108 |
1119 |
592 |
39 |
0 |
0 |
| VODI |
0 |
880 |
71 |
884 |
1395 |
274 |
1 |
0 |
| ODI |
0 |
88 |
32 |
523 |
1222 |
803 |
52 |
0 |
| CDI |
0 |
13 |
11 |
204 |
850 |
1826 |
188 |
0 |
| VCDI |
0 |
0 |
1 |
94 |
739 |
5649 |
17837 |
23648 |
|
Date: 2022-10-24:
| 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 |
105267 |
18197 |
193 |
845 |
329 |
46 |
0 |
0 |
| OW |
7 |
1290 |
189 |
1111 |
212 |
63 |
0 |
0 |
| VODI |
0 |
267 |
62 |
1469 |
1172 |
114 |
0 |
0 |
| ODI |
0 |
10 |
7 |
226 |
2533 |
516 |
0 |
0 |
| CDI |
0 |
0 |
0 |
126 |
743 |
3586 |
159 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
451 |
4521 |
18355 |
24957 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105267 |
17410 |
211 |
1095 |
494 |
187 |
0 |
0 |
| OW |
7 |
1585 |
122 |
853 |
560 |
80 |
0 |
0 |
| VODI |
0 |
700 |
91 |
1244 |
1740 |
473 |
5 |
0 |
| ODI |
0 |
54 |
18 |
309 |
1157 |
1036 |
68 |
0 |
| CDI |
0 |
15 |
7 |
186 |
750 |
1772 |
248 |
0 |
| VCDI |
0 |
0 |
2 |
115 |
739 |
5298 |
18193 |
24957 |
|
Date: 2022-10-26:
| 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 |
103762 |
16696 |
174 |
1135 |
698 |
180 |
0 |
0 |
| OW |
27 |
1073 |
144 |
1219 |
704 |
116 |
0 |
0 |
| VODI |
3 |
176 |
38 |
1075 |
1708 |
262 |
0 |
0 |
| ODI |
0 |
8 |
4 |
188 |
1710 |
773 |
23 |
0 |
| CDI |
0 |
0 |
0 |
106 |
889 |
2450 |
334 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
489 |
4464 |
18428 |
27976 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103648 |
15960 |
176 |
1281 |
963 |
330 |
0 |
0 |
| OW |
130 |
1335 |
82 |
864 |
884 |
155 |
0 |
0 |
| VODI |
14 |
572 |
79 |
1090 |
1796 |
716 |
56 |
0 |
| ODI |
0 |
73 |
14 |
277 |
1275 |
1363 |
238 |
0 |
| CDI |
0 |
13 |
9 |
181 |
580 |
1625 |
622 |
0 |
| VCDI |
0 |
0 |
0 |
46 |
700 |
4056 |
17869 |
27976 |
|
Date: 2022-10-28:
| 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 |
100363 |
17476 |
178 |
833 |
653 |
276 |
0 |
0 |
| OW |
130 |
1192 |
131 |
1236 |
606 |
474 |
1 |
0 |
| VODI |
0 |
209 |
31 |
726 |
1740 |
919 |
0 |
0 |
| ODI |
0 |
41 |
7 |
173 |
1214 |
1313 |
22 |
0 |
| CDI |
0 |
10 |
6 |
103 |
788 |
2041 |
353 |
0 |
| VCDI |
0 |
0 |
0 |
48 |
471 |
4722 |
18261 |
30301 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
100254 |
17141 |
193 |
1094 |
934 |
487 |
0 |
0 |
| OW |
230 |
1198 |
70 |
712 |
650 |
644 |
1 |
0 |
| VODI |
9 |
459 |
69 |
846 |
1709 |
1234 |
87 |
0 |
| ODI |
0 |
73 |
11 |
209 |
957 |
1676 |
373 |
0 |
| CDI |
0 |
36 |
4 |
130 |
594 |
1766 |
788 |
0 |
| VCDI |
0 |
21 |
6 |
128 |
628 |
3938 |
17388 |
30301 |
|
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