Validation of sea ice concentration - Full domain
Reference date: 2025-07-24
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98361 |
21754 |
1340 |
1765 |
149 |
0 |
0 |
0 |
| OW |
2 |
1485 |
601 |
2136 |
767 |
11 |
0 |
0 |
| VODI |
0 |
174 |
125 |
1769 |
5471 |
420 |
5 |
0 |
| ODI |
0 |
39 |
43 |
308 |
7903 |
4818 |
103 |
0 |
| CDI |
0 |
0 |
1 |
11 |
3947 |
28920 |
3759 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
251 |
576 |
0 |
|
|
Date: 2025-07-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99301 |
22675 |
1388 |
1738 |
129 |
2 |
0 |
0 |
| OW |
0 |
1461 |
644 |
2259 |
897 |
13 |
0 |
0 |
| VODI |
0 |
134 |
141 |
1722 |
5261 |
548 |
3 |
0 |
| ODI |
0 |
14 |
7 |
165 |
6523 |
6125 |
208 |
0 |
| CDI |
0 |
0 |
0 |
0 |
3364 |
27790 |
3325 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
500 |
676 |
0 |
|
|
Date: 2025-07-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101992 |
21406 |
1467 |
1897 |
138 |
0 |
0 |
0 |
| OW |
0 |
1375 |
614 |
2211 |
802 |
5 |
0 |
0 |
| VODI |
0 |
80 |
101 |
2209 |
5294 |
285 |
1 |
0 |
| ODI |
0 |
3 |
1 |
127 |
9109 |
3728 |
61 |
0 |
| CDI |
0 |
0 |
0 |
2 |
3481 |
27415 |
1970 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1037 |
203 |
0 |
|
|
Date: 2025-07-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103448 |
21578 |
1445 |
1827 |
182 |
0 |
0 |
0 |
| OW |
0 |
1134 |
527 |
2152 |
956 |
25 |
0 |
0 |
| VODI |
0 |
76 |
119 |
2323 |
5343 |
983 |
13 |
0 |
| ODI |
0 |
0 |
0 |
139 |
7276 |
6239 |
112 |
0 |
| CDI |
0 |
0 |
0 |
4 |
4711 |
24411 |
1115 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
470 |
406 |
0 |
|
|
Date: 2025-07-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
104859 |
22057 |
1385 |
1921 |
159 |
0 |
0 |
0 |
| OW |
0 |
928 |
528 |
1997 |
836 |
9 |
0 |
0 |
| VODI |
0 |
83 |
91 |
2365 |
6389 |
795 |
3 |
0 |
| ODI |
0 |
0 |
3 |
136 |
9345 |
5648 |
120 |
0 |
| CDI |
0 |
0 |
0 |
0 |
3091 |
22340 |
1555 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
121 |
250 |
0 |
|
|
Date: 2025-07-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105678 |
22556 |
1467 |
1743 |
123 |
0 |
0 |
0 |
| OW |
0 |
866 |
543 |
1907 |
604 |
6 |
0 |
0 |
| VODI |
0 |
76 |
110 |
2535 |
5966 |
796 |
22 |
0 |
| ODI |
0 |
0 |
0 |
230 |
9883 |
8906 |
220 |
0 |
| CDI |
0 |
0 |
0 |
2 |
2111 |
17864 |
2120 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
98 |
581 |
0 |
|
|
Date: 2025-07-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107539 |
21665 |
1272 |
1533 |
145 |
0 |
0 |
0 |
| OW |
1 |
759 |
479 |
1913 |
427 |
14 |
0 |
0 |
| VODI |
0 |
49 |
147 |
3008 |
4908 |
673 |
9 |
0 |
| ODI |
0 |
0 |
0 |
342 |
10378 |
13023 |
195 |
0 |
| CDI |
0 |
0 |
0 |
0 |
907 |
15454 |
366 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1565 |
240 |
0 |
|
|
Date: 2025-08-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108580 |
21242 |
1283 |
1437 |
150 |
0 |
0 |
0 |
| OW |
0 |
885 |
694 |
2047 |
365 |
7 |
0 |
0 |
| VODI |
0 |
93 |
217 |
3478 |
5378 |
843 |
2 |
0 |
| ODI |
0 |
0 |
0 |
271 |
9013 |
12648 |
304 |
0 |
| CDI |
0 |
0 |
0 |
0 |
520 |
11798 |
4649 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
205 |
902 |
0 |
|
|
Generated by /metno/routine/sms/V2/gxSIvalidation/gxSIwebPage.sh Fri Aug 8 03:38:21 UTC 2025 on arcval2