Validation of sea ice concentration - Full domain
Bulletin date: 2024-04-11
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-05:
| 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 |
62303 |
16126 |
135 |
81 |
10 |
0 |
0 |
0 |
| OW |
0 |
1563 |
433 |
702 |
110 |
0 |
0 |
0 |
| VODI |
0 |
517 |
266 |
1149 |
416 |
59 |
0 |
0 |
| ODI |
0 |
68 |
145 |
744 |
956 |
270 |
27 |
12 |
| CDI |
0 |
2 |
22 |
557 |
1932 |
2427 |
1852 |
131 |
| VCDI |
0 |
0 |
0 |
21 |
736 |
4093 |
22260 |
74618 |
|
...date precedes bulletin
|
Date: 2024-04-07:
| 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 |
62055 |
16166 |
169 |
131 |
14 |
0 |
0 |
0 |
| OW |
0 |
1642 |
402 |
650 |
118 |
9 |
0 |
0 |
| VODI |
0 |
481 |
306 |
1138 |
357 |
76 |
5 |
0 |
| ODI |
0 |
55 |
119 |
799 |
946 |
284 |
49 |
0 |
| CDI |
0 |
2 |
24 |
570 |
1825 |
3274 |
2006 |
68 |
| VCDI |
0 |
0 |
0 |
50 |
740 |
5402 |
27360 |
67451 |
|
...date precedes bulletin
|
Date: 2024-04-09:
| 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 |
61586 |
16896 |
256 |
163 |
24 |
0 |
0 |
0 |
| OW |
3 |
1386 |
553 |
851 |
66 |
0 |
0 |
0 |
| VODI |
0 |
79 |
175 |
1740 |
609 |
19 |
4 |
0 |
| ODI |
0 |
0 |
10 |
401 |
1558 |
318 |
13 |
13 |
| CDI |
0 |
0 |
0 |
142 |
1671 |
2886 |
1067 |
71 |
| VCDI |
0 |
0 |
0 |
1 |
277 |
4882 |
29745 |
67278 |
|
...date precedes bulletin
|
Date: 2024-04-11:
| 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 |
62307 |
16202 |
245 |
177 |
12 |
0 |
0 |
0 |
| OW |
0 |
1463 |
457 |
787 |
107 |
0 |
0 |
0 |
| VODI |
0 |
240 |
264 |
1500 |
542 |
22 |
1 |
0 |
| ODI |
0 |
13 |
19 |
637 |
1260 |
300 |
39 |
4 |
| CDI |
0 |
5 |
19 |
259 |
2018 |
3149 |
1209 |
56 |
| VCDI |
0 |
0 |
0 |
8 |
455 |
5585 |
24477 |
70905 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62307 |
16257 |
269 |
194 |
9 |
0 |
0 |
0 |
| OW |
0 |
1375 |
424 |
805 |
116 |
0 |
0 |
0 |
| VODI |
0 |
257 |
268 |
1410 |
502 |
31 |
2 |
0 |
| ODI |
0 |
29 |
17 |
694 |
1253 |
294 |
38 |
8 |
| CDI |
0 |
5 |
26 |
258 |
2074 |
3205 |
1305 |
61 |
| VCDI |
0 |
0 |
0 |
7 |
440 |
5526 |
24381 |
70896 |
|
Date: 2024-04-13:
| 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 |
62213 |
15834 |
159 |
136 |
22 |
0 |
0 |
0 |
| OW |
0 |
1811 |
356 |
669 |
95 |
0 |
0 |
0 |
| VODI |
0 |
489 |
357 |
1419 |
521 |
51 |
2 |
0 |
| ODI |
0 |
65 |
79 |
898 |
1361 |
232 |
57 |
0 |
| CDI |
0 |
35 |
32 |
470 |
1921 |
2895 |
1142 |
21 |
| VCDI |
0 |
0 |
0 |
64 |
656 |
6389 |
28462 |
65830 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62213 |
15954 |
172 |
162 |
10 |
0 |
0 |
0 |
| OW |
0 |
1635 |
340 |
686 |
104 |
0 |
0 |
0 |
| VODI |
0 |
527 |
357 |
1311 |
494 |
62 |
3 |
0 |
| ODI |
0 |
78 |
73 |
957 |
1266 |
260 |
75 |
0 |
| CDI |
0 |
40 |
41 |
480 |
2089 |
3012 |
1156 |
18 |
| VCDI |
0 |
0 |
0 |
60 |
613 |
6233 |
28429 |
65833 |
|
Date: 2024-04-15:
| 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 |
63215 |
15876 |
81 |
148 |
23 |
0 |
0 |
0 |
| OW |
0 |
2237 |
740 |
486 |
43 |
5 |
0 |
0 |
| VODI |
0 |
56 |
188 |
1938 |
554 |
18 |
0 |
0 |
| ODI |
0 |
18 |
23 |
524 |
2036 |
179 |
8 |
0 |
| CDI |
0 |
4 |
15 |
315 |
1702 |
3199 |
264 |
5 |
| VCDI |
0 |
1 |
0 |
166 |
726 |
5303 |
21522 |
73125 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63215 |
14970 |
84 |
155 |
20 |
0 |
0 |
0 |
| OW |
0 |
2122 |
307 |
415 |
132 |
4 |
0 |
0 |
| VODI |
0 |
936 |
429 |
1033 |
476 |
101 |
4 |
0 |
| ODI |
0 |
104 |
164 |
982 |
1171 |
298 |
39 |
0 |
| CDI |
0 |
59 |
61 |
702 |
2178 |
2449 |
887 |
17 |
| VCDI |
0 |
1 |
2 |
290 |
1107 |
5852 |
20864 |
73113 |
|
Date: 2024-04-17:
| 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 |
63267 |
15854 |
150 |
106 |
3 |
0 |
0 |
0 |
| OW |
49 |
1982 |
491 |
661 |
56 |
21 |
0 |
0 |
| VODI |
11 |
217 |
297 |
1555 |
745 |
40 |
0 |
0 |
| ODI |
0 |
37 |
44 |
583 |
1515 |
269 |
13 |
0 |
| CDI |
0 |
18 |
33 |
374 |
1775 |
3018 |
913 |
5 |
| VCDI |
0 |
0 |
0 |
131 |
858 |
4921 |
21563 |
73168 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63298 |
14977 |
132 |
217 |
35 |
0 |
0 |
0 |
| OW |
29 |
1981 |
269 |
407 |
167 |
47 |
0 |
0 |
| VODI |
0 |
911 |
341 |
1037 |
512 |
206 |
6 |
0 |
| ODI |
0 |
173 |
199 |
824 |
1117 |
326 |
26 |
2 |
| CDI |
0 |
64 |
68 |
701 |
2069 |
2308 |
1105 |
35 |
| VCDI |
0 |
2 |
6 |
224 |
1052 |
5382 |
21352 |
73136 |
|
Date: 2024-04-19:
| 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 |
62916 |
15894 |
101 |
98 |
64 |
0 |
0 |
0 |
| OW |
37 |
1764 |
460 |
804 |
107 |
4 |
0 |
0 |
| VODI |
0 |
237 |
230 |
1336 |
1026 |
51 |
0 |
0 |
| ODI |
0 |
36 |
72 |
534 |
1272 |
679 |
21 |
0 |
| CDI |
0 |
32 |
49 |
405 |
1626 |
2893 |
1851 |
4 |
| VCDI |
0 |
4 |
13 |
246 |
1263 |
5544 |
26056 |
67014 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62935 |
15196 |
94 |
178 |
50 |
0 |
0 |
0 |
| OW |
18 |
1907 |
303 |
463 |
195 |
15 |
7 |
0 |
| VODI |
0 |
634 |
277 |
1206 |
902 |
222 |
22 |
2 |
| ODI |
0 |
154 |
134 |
652 |
978 |
731 |
118 |
11 |
| CDI |
0 |
66 |
99 |
606 |
1876 |
2606 |
2099 |
51 |
| VCDI |
0 |
10 |
18 |
318 |
1357 |
5597 |
25682 |
66954 |
|
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