Validation of sea ice concentration - Full domain
Bulletin date: 2024-07-18
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-12:
| 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 |
97361 |
16577 |
148 |
123 |
56 |
0 |
0 |
0 |
| OW |
89 |
5180 |
1120 |
1515 |
134 |
6 |
0 |
0 |
| VODI |
19 |
1054 |
763 |
6217 |
2044 |
23 |
0 |
0 |
| ODI |
16 |
95 |
114 |
2049 |
9797 |
1343 |
1 |
0 |
| CDI |
25 |
35 |
20 |
582 |
5417 |
33893 |
314 |
0 |
| VCDI |
1 |
12 |
3 |
46 |
942 |
7557 |
52 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-14:
| 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 |
97868 |
16937 |
135 |
212 |
30 |
0 |
0 |
0 |
| OW |
70 |
5857 |
972 |
1463 |
199 |
0 |
0 |
0 |
| VODI |
31 |
1709 |
1012 |
5323 |
2480 |
23 |
0 |
0 |
| ODI |
16 |
166 |
135 |
2253 |
8230 |
813 |
0 |
0 |
| CDI |
18 |
124 |
26 |
657 |
6065 |
36468 |
716 |
0 |
| VCDI |
0 |
20 |
6 |
90 |
1029 |
3497 |
93 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-16:
| 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 |
99252 |
19384 |
174 |
114 |
14 |
0 |
0 |
0 |
| OW |
129 |
6384 |
1429 |
1142 |
61 |
0 |
0 |
0 |
| VODI |
2 |
435 |
620 |
6397 |
1724 |
6 |
0 |
0 |
| ODI |
3 |
49 |
12 |
847 |
10765 |
1537 |
2 |
0 |
| CDI |
11 |
119 |
23 |
244 |
5487 |
33779 |
1703 |
0 |
| VCDI |
0 |
0 |
2 |
46 |
327 |
1897 |
623 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-18:
| 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 |
101570 |
18326 |
146 |
54 |
3 |
0 |
0 |
0 |
| OW |
185 |
6060 |
1053 |
1157 |
67 |
0 |
0 |
0 |
| VODI |
3 |
840 |
652 |
6452 |
2312 |
4 |
0 |
0 |
| ODI |
4 |
85 |
29 |
1380 |
9584 |
2535 |
0 |
0 |
| CDI |
9 |
145 |
38 |
264 |
7433 |
31497 |
206 |
0 |
| VCDI |
0 |
0 |
1 |
37 |
813 |
1666 |
133 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101542 |
18891 |
204 |
77 |
6 |
0 |
0 |
0 |
| OW |
213 |
5386 |
986 |
1218 |
71 |
0 |
0 |
0 |
| VODI |
3 |
942 |
667 |
6227 |
2397 |
4 |
0 |
0 |
| ODI |
3 |
92 |
25 |
1519 |
9112 |
2141 |
0 |
0 |
| CDI |
10 |
144 |
34 |
207 |
7816 |
31802 |
198 |
0 |
| VCDI |
0 |
1 |
3 |
96 |
810 |
1755 |
141 |
0 |
|
Date: 2024-07-20:
| 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 |
103376 |
17852 |
99 |
33 |
0 |
0 |
0 |
0 |
| OW |
283 |
5446 |
1036 |
1293 |
75 |
0 |
0 |
0 |
| VODI |
6 |
1111 |
710 |
6622 |
2656 |
11 |
0 |
0 |
| ODI |
3 |
222 |
33 |
1454 |
8458 |
3491 |
23 |
0 |
| CDI |
6 |
201 |
28 |
140 |
7969 |
27651 |
500 |
0 |
| VCDI |
0 |
8 |
9 |
67 |
1080 |
2763 |
28 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103385 |
18217 |
155 |
77 |
0 |
0 |
0 |
0 |
| OW |
271 |
4959 |
977 |
1345 |
91 |
0 |
0 |
0 |
| VODI |
8 |
1231 |
688 |
6368 |
2766 |
22 |
0 |
0 |
| ODI |
2 |
227 |
58 |
1622 |
7804 |
2876 |
0 |
0 |
| CDI |
8 |
151 |
34 |
122 |
8512 |
28247 |
534 |
0 |
| VCDI |
0 |
55 |
3 |
75 |
1065 |
2771 |
17 |
0 |
|
Date: 2024-07-22:
| 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 |
104221 |
20362 |
95 |
64 |
0 |
0 |
0 |
0 |
| OW |
161 |
4762 |
1604 |
1105 |
33 |
0 |
0 |
0 |
| VODI |
7 |
220 |
116 |
8230 |
1193 |
1 |
0 |
0 |
| ODI |
2 |
108 |
1 |
341 |
15520 |
717 |
0 |
0 |
| CDI |
0 |
105 |
10 |
92 |
3357 |
27905 |
311 |
0 |
| VCDI |
0 |
1 |
0 |
2 |
873 |
1780 |
1444 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
104060 |
18272 |
151 |
76 |
0 |
0 |
0 |
0 |
| OW |
264 |
5415 |
859 |
1411 |
119 |
0 |
0 |
0 |
| VODI |
57 |
1337 |
742 |
6372 |
2738 |
37 |
0 |
0 |
| ODI |
3 |
331 |
63 |
1764 |
7557 |
2813 |
9 |
0 |
| CDI |
7 |
142 |
7 |
179 |
9513 |
24348 |
1104 |
0 |
| VCDI |
0 |
61 |
4 |
32 |
1049 |
3205 |
642 |
0 |
|
Date: 2024-07-24:
| 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 |
106400 |
19223 |
88 |
76 |
7 |
0 |
0 |
0 |
| OW |
250 |
5014 |
1177 |
1066 |
33 |
0 |
0 |
0 |
| VODI |
24 |
498 |
522 |
7756 |
1300 |
1 |
0 |
0 |
| ODI |
11 |
88 |
0 |
1402 |
12927 |
2202 |
0 |
0 |
| CDI |
0 |
112 |
11 |
70 |
4501 |
23155 |
2414 |
0 |
| VCDI |
0 |
1 |
0 |
14 |
978 |
2127 |
1295 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106241 |
16925 |
129 |
115 |
17 |
0 |
0 |
0 |
| OW |
370 |
5778 |
781 |
1544 |
118 |
0 |
0 |
0 |
| VODI |
53 |
1642 |
781 |
6032 |
2256 |
64 |
0 |
0 |
| ODI |
16 |
379 |
95 |
2204 |
6103 |
4414 |
109 |
0 |
| CDI |
5 |
140 |
10 |
468 |
10297 |
19992 |
1872 |
0 |
| VCDI |
0 |
72 |
2 |
21 |
955 |
3015 |
1728 |
0 |
|
Date: 2024-07-26:
| 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 |
108336 |
18103 |
104 |
100 |
15 |
0 |
0 |
0 |
| OW |
295 |
5368 |
972 |
1139 |
55 |
0 |
0 |
0 |
| VODI |
26 |
729 |
735 |
7159 |
1721 |
3 |
0 |
0 |
| ODI |
5 |
77 |
7 |
1786 |
11815 |
2623 |
1 |
0 |
| CDI |
1 |
133 |
1 |
83 |
5040 |
22632 |
1954 |
0 |
| VCDI |
0 |
16 |
1 |
78 |
905 |
1795 |
930 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108080 |
15727 |
178 |
182 |
44 |
0 |
0 |
0 |
| OW |
518 |
6042 |
668 |
1795 |
178 |
2 |
0 |
0 |
| VODI |
44 |
1905 |
847 |
5145 |
2161 |
180 |
0 |
0 |
| ODI |
17 |
480 |
101 |
2384 |
5907 |
4354 |
65 |
0 |
| CDI |
4 |
209 |
26 |
780 |
10373 |
19127 |
1599 |
0 |
| VCDI |
0 |
63 |
0 |
59 |
888 |
3390 |
1221 |
0 |
|
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