Validation of sea ice concentration - Full domain
Bulletin date: 2021-08-12
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-08-06:
| 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 |
114982 |
18299 |
194 |
800 |
21 |
0 |
0 |
0 |
| OW |
0 |
1325 |
185 |
1709 |
127 |
0 |
0 |
0 |
| VODI |
0 |
232 |
87 |
2976 |
2028 |
31 |
0 |
0 |
| ODI |
0 |
9 |
8 |
424 |
7301 |
1910 |
37 |
0 |
| CDI |
0 |
39 |
1 |
71 |
2498 |
14906 |
3226 |
0 |
| VCDI |
0 |
9 |
7 |
39 |
230 |
6395 |
6837 |
105 |
|
...date precedes bulletin
|
Date: 2021-08-08:
| 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 |
116283 |
17501 |
190 |
921 |
84 |
0 |
0 |
0 |
| OW |
0 |
1297 |
200 |
1910 |
400 |
0 |
0 |
0 |
| VODI |
0 |
290 |
95 |
2498 |
2483 |
27 |
0 |
0 |
| ODI |
0 |
33 |
8 |
462 |
7035 |
1775 |
10 |
0 |
| CDI |
0 |
43 |
7 |
100 |
3174 |
15334 |
2002 |
0 |
| VCDI |
0 |
6 |
4 |
60 |
353 |
6031 |
5460 |
972 |
|
...date precedes bulletin
|
Date: 2021-08-10:
| 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 |
116423 |
18838 |
242 |
863 |
15 |
0 |
0 |
0 |
| OW |
0 |
764 |
177 |
1663 |
110 |
0 |
0 |
0 |
| VODI |
0 |
121 |
75 |
2899 |
1380 |
3 |
0 |
0 |
| ODI |
0 |
43 |
3 |
328 |
9926 |
952 |
0 |
0 |
| CDI |
0 |
30 |
7 |
32 |
1892 |
17502 |
2733 |
0 |
| VCDI |
0 |
12 |
6 |
82 |
205 |
3528 |
6194 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-12:
| 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 |
117158 |
18594 |
210 |
768 |
50 |
0 |
0 |
0 |
| OW |
0 |
943 |
168 |
1782 |
176 |
0 |
0 |
0 |
| VODI |
0 |
192 |
64 |
2321 |
2237 |
21 |
0 |
0 |
| ODI |
0 |
49 |
5 |
282 |
8166 |
2332 |
0 |
0 |
| CDI |
0 |
25 |
2 |
47 |
1500 |
16262 |
4530 |
0 |
| VCDI |
0 |
28 |
5 |
112 |
235 |
2093 |
6258 |
433 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
117158 |
18534 |
228 |
1027 |
67 |
0 |
0 |
0 |
| OW |
0 |
960 |
141 |
1551 |
227 |
0 |
0 |
0 |
| VODI |
0 |
230 |
73 |
2256 |
2311 |
30 |
0 |
0 |
| ODI |
0 |
45 |
5 |
320 |
7801 |
2346 |
3 |
0 |
| CDI |
0 |
29 |
1 |
43 |
1722 |
16081 |
4513 |
0 |
| VCDI |
0 |
33 |
6 |
115 |
236 |
2251 |
6272 |
433 |
|
Date: 2021-08-14:
| 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 |
118509 |
17862 |
182 |
595 |
46 |
0 |
0 |
0 |
| OW |
48 |
1208 |
172 |
1615 |
206 |
0 |
0 |
0 |
| VODI |
0 |
303 |
91 |
2515 |
2281 |
23 |
0 |
0 |
| ODI |
0 |
59 |
9 |
693 |
7282 |
2491 |
7 |
0 |
| CDI |
0 |
24 |
2 |
43 |
1749 |
13363 |
7627 |
344 |
| VCDI |
0 |
51 |
8 |
92 |
157 |
1926 |
4482 |
983 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118526 |
17878 |
204 |
850 |
69 |
0 |
0 |
0 |
| OW |
31 |
1181 |
144 |
1471 |
261 |
0 |
0 |
0 |
| VODI |
0 |
309 |
97 |
2431 |
2287 |
37 |
0 |
0 |
| ODI |
0 |
61 |
9 |
673 |
6950 |
2385 |
12 |
0 |
| CDI |
0 |
23 |
2 |
35 |
1996 |
13174 |
7746 |
343 |
| VCDI |
0 |
55 |
8 |
93 |
158 |
2207 |
4358 |
984 |
|
Date: 2021-08-16:
| 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 |
119332 |
17989 |
176 |
649 |
26 |
0 |
0 |
0 |
| OW |
0 |
1499 |
208 |
1053 |
70 |
0 |
0 |
0 |
| VODI |
0 |
188 |
105 |
3820 |
1187 |
5 |
0 |
0 |
| ODI |
0 |
41 |
6 |
492 |
8374 |
472 |
0 |
0 |
| CDI |
0 |
7 |
1 |
35 |
1660 |
13049 |
2532 |
0 |
| VCDI |
0 |
54 |
7 |
72 |
113 |
2312 |
10746 |
768 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119318 |
17566 |
197 |
1017 |
64 |
0 |
0 |
0 |
| OW |
14 |
1456 |
139 |
1153 |
317 |
0 |
0 |
0 |
| VODI |
0 |
598 |
138 |
2511 |
2169 |
101 |
0 |
0 |
| ODI |
0 |
75 |
17 |
1298 |
6123 |
1550 |
359 |
0 |
| CDI |
0 |
28 |
4 |
50 |
2586 |
11531 |
8964 |
72 |
| VCDI |
0 |
55 |
8 |
92 |
171 |
2656 |
3955 |
696 |
|
Date: 2021-08-18:
| 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 |
118968 |
18830 |
176 |
828 |
43 |
0 |
0 |
0 |
| OW |
0 |
1439 |
172 |
1175 |
107 |
1 |
0 |
0 |
| VODI |
0 |
299 |
122 |
3738 |
1781 |
17 |
0 |
0 |
| ODI |
0 |
35 |
5 |
617 |
6822 |
766 |
0 |
0 |
| CDI |
0 |
5 |
3 |
15 |
2542 |
11589 |
4639 |
39 |
| VCDI |
0 |
35 |
6 |
63 |
143 |
2668 |
8602 |
758 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118968 |
18141 |
198 |
1289 |
110 |
0 |
0 |
0 |
| OW |
0 |
1432 |
96 |
965 |
422 |
1 |
0 |
0 |
| VODI |
0 |
894 |
152 |
2596 |
2182 |
210 |
0 |
0 |
| ODI |
0 |
125 |
27 |
1459 |
5271 |
1719 |
254 |
0 |
| CDI |
0 |
18 |
5 |
61 |
3207 |
11183 |
10606 |
797 |
| VCDI |
0 |
33 |
6 |
66 |
246 |
1928 |
2381 |
0 |
|
Date: 2021-08-20:
| 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 |
119749 |
18594 |
168 |
708 |
68 |
0 |
0 |
0 |
| OW |
0 |
1423 |
178 |
1215 |
166 |
7 |
0 |
0 |
| VODI |
0 |
305 |
119 |
4457 |
1789 |
23 |
0 |
0 |
| ODI |
0 |
46 |
9 |
683 |
5306 |
1035 |
0 |
0 |
| CDI |
0 |
11 |
2 |
5 |
2497 |
10710 |
6244 |
834 |
| VCDI |
0 |
16 |
4 |
78 |
169 |
2581 |
7594 |
255 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119749 |
17763 |
204 |
1129 |
148 |
3 |
0 |
0 |
| OW |
0 |
1444 |
79 |
1054 |
418 |
8 |
0 |
0 |
| VODI |
0 |
1044 |
155 |
3171 |
1864 |
256 |
0 |
0 |
| ODI |
0 |
100 |
31 |
1610 |
4362 |
1965 |
494 |
12 |
| CDI |
0 |
32 |
7 |
105 |
2987 |
10907 |
12596 |
991 |
| VCDI |
0 |
12 |
4 |
77 |
216 |
1217 |
748 |
86 |
|
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