Validation of sea ice concentration - European sector
Bulletin date: 2023-07-06
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-30:
| 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 |
80536 |
11302 |
727 |
1720 |
105 |
0 |
0 |
0 |
| OW |
8 |
11 |
23 |
704 |
253 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
381 |
1090 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
126 |
1492 |
250 |
0 |
0 |
| CDI |
0 |
0 |
0 |
130 |
1337 |
1144 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
2335 |
4752 |
585 |
|
...date precedes bulletin
|
Date: 2023-07-02:
| 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 |
81735 |
10866 |
660 |
1338 |
87 |
0 |
0 |
0 |
| OW |
7 |
24 |
48 |
731 |
354 |
0 |
0 |
0 |
| VODI |
0 |
4 |
4 |
313 |
1072 |
16 |
0 |
0 |
| ODI |
0 |
1 |
2 |
101 |
1296 |
284 |
0 |
0 |
| CDI |
0 |
0 |
0 |
188 |
1393 |
1311 |
41 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
88 |
3881 |
3231 |
24 |
|
...date precedes bulletin
|
Date: 2023-07-04:
| 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 |
82483 |
10744 |
613 |
1014 |
62 |
14 |
0 |
0 |
| OW |
6 |
18 |
66 |
577 |
153 |
12 |
0 |
0 |
| VODI |
0 |
1 |
2 |
587 |
859 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
82 |
2242 |
73 |
0 |
0 |
| CDI |
0 |
0 |
0 |
100 |
993 |
1728 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
78 |
4415 |
2119 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-06:
| 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 |
82566 |
10948 |
593 |
1024 |
100 |
22 |
0 |
0 |
| OW |
6 |
44 |
73 |
515 |
264 |
9 |
0 |
0 |
| VODI |
0 |
6 |
13 |
440 |
1362 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
84 |
1431 |
124 |
0 |
0 |
| CDI |
0 |
0 |
0 |
118 |
847 |
1707 |
25 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
381 |
5154 |
1238 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82566 |
10962 |
590 |
1042 |
111 |
27 |
0 |
0 |
| OW |
6 |
30 |
78 |
461 |
268 |
7 |
0 |
0 |
| VODI |
0 |
6 |
11 |
479 |
1236 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
82 |
1486 |
95 |
0 |
0 |
| CDI |
0 |
0 |
0 |
117 |
901 |
1787 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
383 |
5103 |
1239 |
0 |
|
Date: 2023-07-08:
| 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 |
83947 |
9774 |
602 |
1084 |
137 |
0 |
0 |
0 |
| OW |
4 |
40 |
58 |
637 |
292 |
0 |
0 |
0 |
| VODI |
0 |
5 |
10 |
634 |
1275 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
187 |
1042 |
30 |
0 |
0 |
| CDI |
0 |
0 |
0 |
174 |
987 |
1743 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
510 |
5279 |
647 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83947 |
9777 |
606 |
1106 |
178 |
0 |
0 |
0 |
| OW |
4 |
40 |
56 |
597 |
269 |
0 |
0 |
0 |
| VODI |
0 |
2 |
10 |
664 |
1203 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
173 |
1013 |
13 |
0 |
0 |
| CDI |
0 |
0 |
0 |
176 |
1121 |
1819 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
459 |
5220 |
647 |
0 |
|
Date: 2023-07-10:
| 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 |
84205 |
9730 |
554 |
1000 |
111 |
0 |
0 |
0 |
| OW |
2 |
4 |
43 |
462 |
90 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
1224 |
766 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
206 |
1638 |
96 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
584 |
4385 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
3184 |
773 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84203 |
9712 |
560 |
1219 |
175 |
0 |
0 |
0 |
| OW |
4 |
19 |
33 |
773 |
379 |
0 |
0 |
0 |
| VODI |
0 |
3 |
4 |
649 |
1010 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
124 |
738 |
69 |
0 |
0 |
| CDI |
0 |
0 |
0 |
148 |
710 |
2124 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
180 |
5472 |
773 |
0 |
|
Date: 2023-07-12:
| 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 |
84603 |
9656 |
537 |
917 |
91 |
0 |
0 |
0 |
| OW |
1 |
8 |
54 |
706 |
130 |
0 |
0 |
0 |
| VODI |
0 |
2 |
8 |
1157 |
930 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
156 |
974 |
128 |
0 |
0 |
| CDI |
0 |
0 |
0 |
44 |
587 |
4156 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
3737 |
490 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84603 |
9618 |
516 |
1281 |
178 |
0 |
0 |
0 |
| OW |
1 |
33 |
69 |
833 |
476 |
0 |
0 |
0 |
| VODI |
0 |
12 |
5 |
555 |
678 |
0 |
0 |
0 |
| ODI |
0 |
3 |
9 |
150 |
533 |
50 |
0 |
0 |
| CDI |
0 |
0 |
1 |
161 |
672 |
2084 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
202 |
5887 |
490 |
0 |
|
Date: 2023-07-14:
| 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 |
86238 |
8424 |
459 |
792 |
106 |
0 |
0 |
0 |
| OW |
0 |
59 |
88 |
934 |
187 |
0 |
0 |
0 |
| VODI |
0 |
9 |
27 |
947 |
809 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
166 |
627 |
172 |
0 |
0 |
| CDI |
0 |
0 |
0 |
50 |
706 |
3948 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
4026 |
230 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86237 |
8386 |
464 |
1417 |
315 |
0 |
0 |
0 |
| OW |
1 |
86 |
73 |
696 |
411 |
0 |
0 |
0 |
| VODI |
0 |
19 |
26 |
432 |
417 |
0 |
0 |
0 |
| ODI |
0 |
1 |
11 |
175 |
364 |
60 |
0 |
0 |
| CDI |
0 |
0 |
0 |
169 |
629 |
2410 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
385 |
5676 |
230 |
0 |
|
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