Validation of sea ice concentration - European sector
Bulletin date: 2024-08-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-16:
| 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 |
88009 |
2274 |
35 |
31 |
9 |
0 |
0 |
0 |
| OW |
2376 |
933 |
148 |
74 |
15 |
0 |
0 |
0 |
| VODI |
1471 |
258 |
243 |
584 |
123 |
12 |
0 |
0 |
| ODI |
0 |
4 |
10 |
242 |
1498 |
368 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
650 |
2502 |
793 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
18 |
181 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-18:
| 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 |
88170 |
2345 |
46 |
40 |
7 |
1 |
0 |
0 |
| OW |
2416 |
868 |
88 |
56 |
19 |
2 |
0 |
0 |
| VODI |
1426 |
261 |
196 |
518 |
178 |
16 |
0 |
0 |
| ODI |
0 |
1 |
6 |
187 |
1307 |
508 |
3 |
0 |
| CDI |
0 |
0 |
0 |
9 |
474 |
2568 |
946 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
12 |
188 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-20:
| 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 |
88452 |
2746 |
62 |
50 |
4 |
0 |
0 |
0 |
| OW |
2625 |
627 |
166 |
121 |
5 |
0 |
0 |
0 |
| VODI |
1127 |
30 |
106 |
597 |
181 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
117 |
1716 |
219 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
360 |
2337 |
503 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
31 |
630 |
33 |
|
...date precedes bulletin
|
Date: 2024-08-22:
| 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 |
88833 |
2514 |
49 |
47 |
2 |
0 |
0 |
0 |
| OW |
2676 |
597 |
159 |
117 |
8 |
0 |
0 |
0 |
| VODI |
1085 |
76 |
132 |
566 |
135 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
127 |
1523 |
239 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
512 |
2765 |
197 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
179 |
312 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88836 |
2636 |
62 |
49 |
2 |
0 |
0 |
0 |
| OW |
2672 |
478 |
155 |
114 |
6 |
0 |
0 |
0 |
| VODI |
1086 |
73 |
123 |
547 |
119 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
147 |
1559 |
223 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
494 |
2735 |
158 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
222 |
351 |
0 |
|
Date: 2024-08-24:
| 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 |
88832 |
2565 |
55 |
33 |
0 |
0 |
0 |
0 |
| OW |
2720 |
464 |
185 |
196 |
16 |
0 |
0 |
0 |
| VODI |
1037 |
80 |
91 |
518 |
191 |
16 |
0 |
0 |
| ODI |
0 |
0 |
0 |
73 |
942 |
585 |
25 |
0 |
| CDI |
0 |
0 |
0 |
0 |
209 |
2487 |
746 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
97 |
699 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88834 |
2665 |
73 |
48 |
0 |
0 |
0 |
0 |
| OW |
2717 |
355 |
166 |
184 |
12 |
0 |
0 |
0 |
| VODI |
1038 |
89 |
91 |
497 |
162 |
13 |
0 |
0 |
| ODI |
0 |
0 |
1 |
91 |
962 |
636 |
24 |
0 |
| CDI |
0 |
0 |
0 |
0 |
222 |
2433 |
745 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
103 |
701 |
0 |
|
Date: 2024-08-26:
| 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 |
89021 |
2770 |
36 |
12 |
0 |
0 |
0 |
0 |
| OW |
2812 |
411 |
143 |
107 |
5 |
1 |
0 |
0 |
| VODI |
936 |
83 |
146 |
481 |
127 |
6 |
0 |
0 |
| ODI |
0 |
0 |
1 |
114 |
943 |
217 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
213 |
3244 |
283 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
52 |
698 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89004 |
2718 |
51 |
20 |
1 |
0 |
0 |
0 |
| OW |
2772 |
383 |
135 |
162 |
13 |
1 |
0 |
0 |
| VODI |
993 |
163 |
129 |
389 |
120 |
15 |
0 |
0 |
| ODI |
0 |
0 |
11 |
140 |
846 |
350 |
1 |
0 |
| CDI |
0 |
0 |
0 |
3 |
308 |
3000 |
781 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
154 |
199 |
0 |
|
Date: 2024-08-28:
| 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 |
88071 |
3497 |
62 |
25 |
1 |
0 |
0 |
0 |
| OW |
2858 |
459 |
146 |
108 |
6 |
0 |
0 |
0 |
| VODI |
900 |
114 |
172 |
417 |
158 |
2 |
0 |
0 |
| ODI |
0 |
0 |
3 |
121 |
922 |
281 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
316 |
3359 |
164 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
70 |
630 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88054 |
3492 |
90 |
26 |
0 |
0 |
0 |
0 |
| OW |
2824 |
398 |
140 |
186 |
14 |
0 |
0 |
0 |
| VODI |
951 |
176 |
137 |
321 |
196 |
6 |
0 |
0 |
| ODI |
0 |
4 |
16 |
137 |
751 |
510 |
3 |
0 |
| CDI |
0 |
0 |
0 |
1 |
437 |
3099 |
675 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
97 |
116 |
0 |
|
Date: 2024-08-30:
| 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 |
88977 |
2502 |
15 |
9 |
0 |
0 |
0 |
0 |
| OW |
2910 |
548 |
131 |
97 |
2 |
0 |
0 |
0 |
| VODI |
859 |
155 |
155 |
422 |
153 |
2 |
0 |
0 |
| ODI |
0 |
0 |
5 |
106 |
1003 |
208 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
410 |
2996 |
252 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
99 |
717 |
129 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88968 |
2488 |
24 |
11 |
0 |
0 |
0 |
0 |
| OW |
2866 |
548 |
117 |
147 |
2 |
0 |
0 |
0 |
| VODI |
912 |
162 |
154 |
337 |
165 |
10 |
0 |
0 |
| ODI |
0 |
7 |
11 |
138 |
772 |
403 |
6 |
0 |
| CDI |
0 |
0 |
0 |
1 |
629 |
2784 |
801 |
39 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
108 |
162 |
90 |
|
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