Validation of sea ice concentration - American sector
Reference date: 2025-05-29
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-23:
| 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 |
105 |
49 |
47 |
0 |
0 |
0 |
0 |
| OW |
0 |
43 |
34 |
78 |
0 |
1 |
0 |
0 |
| VODI |
0 |
30 |
42 |
299 |
62 |
32 |
0 |
0 |
| ODI |
0 |
113 |
46 |
496 |
723 |
219 |
55 |
0 |
| CDI |
0 |
28 |
26 |
310 |
989 |
2748 |
1143 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
1300 |
12676 |
24122 |
|
|
Date: 2025-05-25:
| 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 |
176 |
91 |
59 |
0 |
0 |
0 |
0 |
| OW |
0 |
62 |
43 |
43 |
7 |
0 |
0 |
0 |
| VODI |
0 |
110 |
69 |
261 |
97 |
22 |
0 |
0 |
| ODI |
0 |
120 |
40 |
447 |
846 |
252 |
24 |
0 |
| CDI |
0 |
73 |
46 |
317 |
962 |
3998 |
1001 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
39 |
1641 |
15102 |
19918 |
|
|
Date: 2025-05-27:
| 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 |
322 |
95 |
92 |
2 |
0 |
0 |
0 |
| OW |
0 |
83 |
23 |
80 |
24 |
1 |
0 |
0 |
| VODI |
0 |
92 |
61 |
346 |
177 |
44 |
0 |
0 |
| ODI |
0 |
122 |
46 |
454 |
900 |
222 |
6 |
0 |
| CDI |
0 |
60 |
28 |
316 |
1470 |
4606 |
1034 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
163 |
2973 |
17404 |
14612 |
|
|
Date: 2025-05-29:
| 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 |
617 |
130 |
140 |
25 |
0 |
0 |
0 |
| OW |
0 |
100 |
17 |
76 |
116 |
3 |
0 |
0 |
| VODI |
0 |
120 |
43 |
206 |
266 |
29 |
0 |
0 |
| ODI |
0 |
156 |
67 |
532 |
895 |
204 |
10 |
0 |
| CDI |
0 |
20 |
10 |
353 |
2228 |
3969 |
1564 |
7 |
| VCDI |
0 |
0 |
0 |
2 |
137 |
1985 |
17441 |
14398 |
|
|
Date: 2025-05-31:
| 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 |
803 |
129 |
165 |
4 |
0 |
0 |
0 |
| OW |
0 |
77 |
34 |
54 |
116 |
5 |
0 |
0 |
| VODI |
0 |
126 |
28 |
178 |
399 |
27 |
0 |
0 |
| ODI |
0 |
187 |
86 |
662 |
1069 |
223 |
3 |
0 |
| CDI |
0 |
19 |
15 |
308 |
1259 |
3657 |
3129 |
76 |
| VCDI |
0 |
0 |
0 |
0 |
164 |
3857 |
13503 |
15504 |
|
|
Date: 2025-06-02:
| 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 |
859 |
206 |
281 |
2 |
0 |
0 |
0 |
| OW |
0 |
54 |
10 |
187 |
72 |
1 |
0 |
0 |
| VODI |
0 |
127 |
28 |
280 |
579 |
42 |
0 |
0 |
| ODI |
0 |
148 |
77 |
661 |
1063 |
196 |
17 |
1 |
| CDI |
0 |
14 |
14 |
220 |
1850 |
4153 |
2456 |
45 |
| VCDI |
0 |
0 |
0 |
0 |
114 |
2420 |
12781 |
16908 |
|
|
Date: 2025-06-04:
| 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 |
943 |
212 |
442 |
6 |
1 |
0 |
0 |
| OW |
0 |
56 |
16 |
209 |
100 |
29 |
1 |
0 |
| VODI |
0 |
116 |
57 |
324 |
607 |
86 |
11 |
0 |
| ODI |
0 |
200 |
76 |
684 |
892 |
260 |
40 |
0 |
| CDI |
0 |
37 |
39 |
305 |
1574 |
5625 |
995 |
8 |
| VCDI |
0 |
0 |
0 |
5 |
103 |
2345 |
14696 |
14766 |
|
|
Date: 2025-06-06:
| Best estimate |
|
|
...observations not yet available
|
|
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