Validation of sea ice concentration - Full domain
Bulletin date: 2023-06-15
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-09:
| 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 |
75700 |
15892 |
1334 |
3016 |
451 |
3 |
0 |
0 |
| OW |
42 |
192 |
140 |
1599 |
899 |
21 |
0 |
0 |
| VODI |
0 |
136 |
66 |
1149 |
2723 |
148 |
6 |
0 |
| ODI |
0 |
49 |
58 |
475 |
3328 |
876 |
40 |
0 |
| CDI |
0 |
36 |
28 |
401 |
3571 |
7463 |
1696 |
29 |
| VCDI |
0 |
3 |
11 |
110 |
977 |
6200 |
37994 |
20186 |
|
...date precedes bulletin
|
Date: 2023-06-11:
| 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 |
75876 |
15799 |
1352 |
3608 |
658 |
1 |
0 |
0 |
| OW |
41 |
312 |
131 |
1496 |
1416 |
43 |
0 |
0 |
| VODI |
0 |
166 |
129 |
940 |
2916 |
291 |
8 |
0 |
| ODI |
0 |
61 |
67 |
464 |
2875 |
1206 |
53 |
0 |
| CDI |
0 |
65 |
47 |
392 |
3252 |
7236 |
2099 |
44 |
| VCDI |
0 |
36 |
17 |
132 |
1394 |
7966 |
35754 |
18705 |
|
...date precedes bulletin
|
Date: 2023-06-13:
| 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 |
76307 |
16995 |
1452 |
3516 |
630 |
138 |
0 |
0 |
| OW |
37 |
143 |
191 |
1908 |
901 |
177 |
0 |
0 |
| VODI |
0 |
48 |
43 |
1604 |
2784 |
310 |
0 |
0 |
| ODI |
0 |
31 |
42 |
347 |
4172 |
1131 |
44 |
0 |
| CDI |
0 |
3 |
3 |
206 |
2057 |
7984 |
1713 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
188 |
7356 |
42282 |
12286 |
|
...date precedes bulletin
|
Date: 2023-06-15:
| 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 |
77185 |
17087 |
1378 |
3701 |
724 |
472 |
0 |
0 |
| OW |
23 |
211 |
205 |
2124 |
1047 |
249 |
0 |
0 |
| VODI |
0 |
49 |
77 |
1394 |
2672 |
645 |
7 |
0 |
| ODI |
0 |
31 |
32 |
385 |
2806 |
1515 |
70 |
0 |
| CDI |
0 |
10 |
13 |
319 |
2772 |
7770 |
2217 |
7 |
| VCDI |
0 |
0 |
0 |
15 |
954 |
7414 |
29087 |
22381 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77185 |
17138 |
1399 |
4267 |
858 |
482 |
0 |
0 |
| OW |
23 |
145 |
185 |
1689 |
904 |
253 |
0 |
0 |
| VODI |
0 |
62 |
74 |
1242 |
2544 |
698 |
11 |
0 |
| ODI |
0 |
30 |
32 |
393 |
2755 |
1385 |
69 |
0 |
| CDI |
0 |
13 |
15 |
333 |
2906 |
7645 |
2194 |
7 |
| VCDI |
0 |
0 |
0 |
14 |
1008 |
7602 |
29107 |
22381 |
|
Date: 2023-06-17:
| 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 |
77143 |
17502 |
1426 |
4141 |
1429 |
0 |
0 |
0 |
| OW |
19 |
263 |
225 |
2183 |
1619 |
35 |
0 |
0 |
| VODI |
0 |
91 |
110 |
1216 |
3107 |
187 |
3 |
0 |
| ODI |
0 |
25 |
64 |
473 |
3115 |
828 |
67 |
0 |
| CDI |
0 |
13 |
25 |
387 |
3302 |
7333 |
3472 |
0 |
| VCDI |
0 |
0 |
0 |
138 |
1522 |
6284 |
30645 |
18656 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77142 |
17577 |
1449 |
4700 |
1591 |
5 |
0 |
0 |
| OW |
20 |
190 |
199 |
1659 |
1432 |
36 |
0 |
0 |
| VODI |
0 |
90 |
106 |
1165 |
3133 |
201 |
2 |
0 |
| ODI |
0 |
25 |
69 |
474 |
2979 |
753 |
45 |
0 |
| CDI |
0 |
12 |
27 |
412 |
3365 |
7085 |
3285 |
37 |
| VCDI |
0 |
0 |
0 |
128 |
1594 |
6587 |
30855 |
18619 |
|
Date: 2023-06-19:
| 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 |
76933 |
18523 |
1566 |
4323 |
1112 |
0 |
0 |
0 |
| OW |
19 |
138 |
254 |
2347 |
837 |
13 |
0 |
0 |
| VODI |
0 |
28 |
65 |
2413 |
2713 |
33 |
3 |
0 |
| ODI |
0 |
3 |
10 |
403 |
5671 |
465 |
21 |
0 |
| CDI |
0 |
0 |
0 |
72 |
3327 |
9978 |
695 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1026 |
5805 |
31268 |
16984 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76933 |
18133 |
1469 |
5528 |
1827 |
6 |
0 |
0 |
| OW |
19 |
286 |
164 |
1818 |
1520 |
27 |
0 |
0 |
| VODI |
0 |
174 |
141 |
1153 |
2700 |
183 |
8 |
0 |
| ODI |
0 |
68 |
74 |
636 |
2746 |
714 |
106 |
0 |
| CDI |
0 |
31 |
47 |
403 |
4504 |
7040 |
3120 |
175 |
| VCDI |
0 |
0 |
0 |
20 |
1389 |
8324 |
28753 |
16809 |
|
Date: 2023-06-21:
| 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 |
76693 |
19694 |
1731 |
5434 |
1019 |
2 |
0 |
0 |
| OW |
17 |
161 |
233 |
2665 |
1123 |
30 |
0 |
0 |
| VODI |
0 |
24 |
76 |
1707 |
3114 |
80 |
9 |
0 |
| ODI |
0 |
7 |
9 |
437 |
4159 |
900 |
30 |
0 |
| CDI |
0 |
3 |
4 |
167 |
3926 |
9542 |
878 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1345 |
8663 |
21865 |
21301 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76693 |
19090 |
1524 |
6414 |
1649 |
19 |
0 |
0 |
| OW |
17 |
386 |
168 |
1710 |
1490 |
54 |
3 |
0 |
| VODI |
0 |
244 |
191 |
1035 |
2359 |
210 |
41 |
0 |
| ODI |
0 |
109 |
120 |
735 |
2578 |
1064 |
83 |
0 |
| CDI |
0 |
60 |
50 |
497 |
4679 |
8737 |
4965 |
20 |
| VCDI |
0 |
0 |
0 |
19 |
1931 |
9133 |
17690 |
21281 |
|
Date: 2023-06-23:
| 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 |
78067 |
19186 |
1781 |
6460 |
659 |
22 |
0 |
0 |
| OW |
14 |
265 |
191 |
2619 |
1139 |
47 |
8 |
0 |
| VODI |
0 |
85 |
91 |
1394 |
3229 |
187 |
30 |
0 |
| ODI |
0 |
15 |
28 |
470 |
3422 |
1068 |
107 |
1 |
| CDI |
0 |
2 |
3 |
299 |
4518 |
8663 |
1419 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
858 |
10746 |
18489 |
21463 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78067 |
18542 |
1566 |
7435 |
1363 |
40 |
8 |
0 |
| OW |
14 |
395 |
166 |
1328 |
1344 |
108 |
21 |
0 |
| VODI |
0 |
383 |
181 |
1039 |
2171 |
346 |
67 |
0 |
| ODI |
0 |
195 |
115 |
718 |
2339 |
1406 |
134 |
1 |
| CDI |
0 |
38 |
65 |
702 |
5292 |
10051 |
4431 |
2038 |
| VCDI |
0 |
0 |
1 |
23 |
1316 |
8782 |
15392 |
19425 |
|
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