Validation of sea ice concentration - American sector
Reference date: 2025-06-19
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-13:
| 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 |
2335 |
231 |
324 |
66 |
1 |
0 |
0 |
| OW |
0 |
429 |
122 |
291 |
62 |
4 |
0 |
0 |
| VODI |
0 |
304 |
108 |
435 |
659 |
915 |
52 |
0 |
| ODI |
0 |
464 |
154 |
527 |
1152 |
1048 |
169 |
0 |
| CDI |
0 |
133 |
40 |
189 |
1237 |
4688 |
1101 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
834 |
6322 |
13120 |
8341 |
|
|
Date: 2025-06-15:
| 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 |
2998 |
303 |
358 |
55 |
1 |
0 |
0 |
| OW |
0 |
501 |
109 |
276 |
121 |
4 |
0 |
0 |
| VODI |
0 |
292 |
118 |
467 |
790 |
722 |
3 |
0 |
| ODI |
0 |
385 |
142 |
403 |
988 |
1814 |
141 |
0 |
| CDI |
0 |
121 |
20 |
118 |
1827 |
6202 |
1354 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1823 |
7200 |
13017 |
3186 |
|
|
Date: 2025-06-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20 |
3792 |
307 |
362 |
57 |
0 |
0 |
0 |
| OW |
0 |
548 |
113 |
277 |
146 |
4 |
0 |
0 |
| VODI |
0 |
216 |
80 |
395 |
750 |
426 |
2 |
0 |
| ODI |
0 |
346 |
109 |
324 |
1201 |
1995 |
63 |
0 |
| CDI |
0 |
94 |
18 |
95 |
1587 |
6747 |
3184 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
778 |
2980 |
12592 |
6250 |
|
|
Date: 2025-06-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111 |
4369 |
248 |
289 |
41 |
1 |
0 |
0 |
| OW |
1 |
561 |
125 |
313 |
219 |
5 |
0 |
0 |
| VODI |
0 |
263 |
66 |
368 |
1148 |
505 |
1 |
0 |
| ODI |
0 |
360 |
71 |
247 |
1135 |
1232 |
35 |
0 |
| CDI |
0 |
54 |
29 |
124 |
940 |
8832 |
3593 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
1005 |
3241 |
13871 |
2453 |
|
|
Date: 2025-06-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
464 |
4587 |
237 |
320 |
54 |
0 |
0 |
0 |
| OW |
0 |
564 |
100 |
235 |
231 |
0 |
0 |
0 |
| VODI |
0 |
288 |
82 |
331 |
1843 |
325 |
2 |
0 |
| ODI |
0 |
409 |
107 |
438 |
901 |
453 |
28 |
0 |
| CDI |
0 |
27 |
24 |
129 |
2511 |
10422 |
1918 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
643 |
3493 |
11704 |
2989 |
|
|
Date: 2025-06-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
725 |
4916 |
186 |
298 |
71 |
1 |
0 |
0 |
| OW |
0 |
587 |
74 |
370 |
190 |
16 |
0 |
0 |
| VODI |
0 |
226 |
52 |
268 |
1112 |
601 |
8 |
0 |
| ODI |
0 |
289 |
84 |
419 |
688 |
1266 |
54 |
0 |
| CDI |
0 |
20 |
18 |
175 |
1923 |
12770 |
996 |
3 |
| VCDI |
0 |
0 |
0 |
1 |
329 |
4446 |
7290 |
5387 |
|
|
Date: 2025-06-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1401 |
4785 |
184 |
280 |
54 |
0 |
0 |
0 |
| OW |
0 |
594 |
122 |
443 |
112 |
11 |
0 |
0 |
| VODI |
0 |
231 |
77 |
488 |
993 |
170 |
4 |
0 |
| ODI |
0 |
208 |
59 |
365 |
1809 |
587 |
57 |
0 |
| CDI |
0 |
23 |
18 |
109 |
2885 |
12985 |
772 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
2286 |
5376 |
7034 |
1335 |
|
|
Date: 2025-06-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1703 |
5263 |
198 |
282 |
35 |
0 |
0 |
0 |
| OW |
0 |
630 |
179 |
534 |
81 |
8 |
0 |
0 |
| VODI |
0 |
230 |
72 |
1512 |
1313 |
83 |
15 |
0 |
| ODI |
0 |
187 |
65 |
248 |
747 |
549 |
88 |
0 |
| CDI |
0 |
8 |
9 |
108 |
2603 |
15256 |
639 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
145 |
5872 |
4960 |
2230 |
|
|
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