Validation of sea ice concentration - American sector
Reference date: 2025-05-22
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-16:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
43 |
1 |
3 |
0 |
0 |
0 |
0 |
OW |
0 |
6 |
2 |
12 |
2 |
0 |
0 |
0 |
VODI |
0 |
33 |
16 |
125 |
94 |
13 |
0 |
0 |
ODI |
0 |
134 |
62 |
347 |
621 |
82 |
21 |
0 |
CDI |
0 |
140 |
17 |
223 |
1169 |
2080 |
1937 |
41 |
VCDI |
0 |
0 |
0 |
1 |
64 |
1520 |
16252 |
20805 |
|
|
Date: 2025-05-18:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
27 |
12 |
10 |
0 |
0 |
0 |
0 |
OW |
0 |
13 |
8 |
35 |
0 |
0 |
0 |
0 |
VODI |
0 |
34 |
20 |
223 |
110 |
13 |
0 |
0 |
ODI |
0 |
119 |
47 |
387 |
700 |
178 |
11 |
0 |
CDI |
0 |
2 |
1 |
94 |
925 |
2195 |
960 |
89 |
VCDI |
0 |
0 |
0 |
0 |
59 |
1526 |
15062 |
23006 |
|
|
Date: 2025-05-20:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
58 |
22 |
33 |
0 |
0 |
0 |
0 |
OW |
0 |
40 |
23 |
30 |
0 |
0 |
0 |
0 |
VODI |
0 |
36 |
58 |
199 |
96 |
5 |
0 |
0 |
ODI |
0 |
107 |
39 |
435 |
616 |
222 |
61 |
0 |
CDI |
0 |
0 |
3 |
200 |
939 |
2654 |
819 |
17 |
VCDI |
0 |
0 |
0 |
0 |
20 |
1407 |
14561 |
23166 |
|
|
Date: 2025-05-22:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
98 |
39 |
15 |
0 |
0 |
0 |
0 |
OW |
0 |
54 |
43 |
58 |
0 |
2 |
0 |
0 |
VODI |
0 |
51 |
48 |
238 |
68 |
32 |
1 |
0 |
ODI |
0 |
127 |
48 |
462 |
631 |
270 |
47 |
0 |
CDI |
0 |
23 |
19 |
298 |
947 |
2820 |
879 |
40 |
VCDI |
0 |
0 |
0 |
0 |
42 |
1000 |
11869 |
25597 |
|
|
Date: 2025-05-24:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
130 |
70 |
53 |
0 |
0 |
0 |
0 |
OW |
0 |
59 |
39 |
56 |
1 |
0 |
0 |
0 |
VODI |
0 |
73 |
80 |
263 |
86 |
23 |
0 |
0 |
ODI |
0 |
111 |
58 |
504 |
768 |
206 |
21 |
0 |
CDI |
0 |
46 |
34 |
329 |
962 |
3175 |
1085 |
0 |
VCDI |
0 |
0 |
0 |
0 |
24 |
1830 |
11742 |
24038 |
|
|
Date: 2025-05-26:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
236 |
84 |
83 |
2 |
0 |
0 |
0 |
OW |
0 |
77 |
35 |
43 |
11 |
2 |
0 |
0 |
VODI |
0 |
108 |
79 |
261 |
120 |
39 |
3 |
0 |
ODI |
0 |
127 |
37 |
488 |
816 |
267 |
13 |
0 |
CDI |
0 |
65 |
23 |
317 |
1161 |
3974 |
1534 |
23 |
VCDI |
0 |
0 |
0 |
0 |
117 |
1588 |
16968 |
17165 |
|
|
Date: 2025-05-28:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
475 |
130 |
154 |
17 |
0 |
0 |
0 |
OW |
0 |
84 |
43 |
94 |
44 |
2 |
0 |
0 |
VODI |
0 |
113 |
48 |
296 |
237 |
31 |
0 |
0 |
ODI |
0 |
142 |
53 |
491 |
864 |
141 |
1 |
0 |
CDI |
0 |
37 |
28 |
324 |
3395 |
3049 |
921 |
21 |
VCDI |
0 |
0 |
0 |
3 |
226 |
1817 |
15097 |
17488 |
|
|
Date: 2025-05-30:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
677 |
131 |
155 |
26 |
0 |
0 |
0 |
OW |
0 |
88 |
22 |
60 |
132 |
0 |
0 |
0 |
VODI |
0 |
110 |
51 |
177 |
275 |
59 |
1 |
0 |
ODI |
0 |
173 |
73 |
618 |
991 |
226 |
9 |
0 |
CDI |
0 |
23 |
17 |
400 |
1573 |
4308 |
1918 |
12 |
VCDI |
0 |
0 |
0 |
21 |
153 |
4688 |
14829 |
13870 |
|
|
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