Validation of sea ice concentration - European sector
Bulletin date: 2024-04-18
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-12:
| 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 |
57436 |
13427 |
167 |
138 |
16 |
0 |
0 |
0 |
| OW |
0 |
1058 |
353 |
455 |
96 |
1 |
0 |
0 |
| VODI |
0 |
193 |
248 |
1078 |
302 |
42 |
0 |
0 |
| ODI |
0 |
26 |
30 |
661 |
922 |
167 |
13 |
0 |
| CDI |
0 |
12 |
18 |
327 |
1860 |
2202 |
590 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
214 |
1244 |
8170 |
8925 |
|
...date precedes bulletin
|
Date: 2024-04-14:
| 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 |
57641 |
12938 |
84 |
112 |
25 |
0 |
0 |
0 |
| OW |
0 |
1397 |
214 |
415 |
84 |
2 |
0 |
0 |
| VODI |
0 |
358 |
338 |
886 |
454 |
56 |
0 |
0 |
| ODI |
0 |
68 |
121 |
689 |
985 |
210 |
8 |
0 |
| CDI |
0 |
31 |
51 |
527 |
1241 |
1943 |
749 |
12 |
| VCDI |
0 |
0 |
0 |
85 |
415 |
2015 |
7937 |
8325 |
|
...date precedes bulletin
|
Date: 2024-04-16:
| 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 |
58102 |
13193 |
92 |
93 |
6 |
0 |
0 |
0 |
| OW |
0 |
1393 |
431 |
416 |
60 |
2 |
0 |
0 |
| VODI |
0 |
107 |
248 |
1325 |
398 |
3 |
0 |
0 |
| ODI |
0 |
34 |
19 |
525 |
1329 |
59 |
4 |
0 |
| CDI |
0 |
1 |
13 |
255 |
1358 |
1813 |
259 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
172 |
2265 |
7643 |
8793 |
|
...date precedes bulletin
|
Date: 2024-04-18:
| 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 |
57772 |
13481 |
90 |
96 |
18 |
0 |
0 |
0 |
| OW |
0 |
1158 |
461 |
393 |
70 |
3 |
0 |
0 |
| VODI |
0 |
152 |
238 |
1215 |
527 |
7 |
0 |
0 |
| ODI |
0 |
25 |
43 |
530 |
1059 |
186 |
13 |
0 |
| CDI |
0 |
26 |
30 |
245 |
1214 |
1892 |
706 |
0 |
| VCDI |
0 |
1 |
7 |
50 |
328 |
2095 |
7492 |
8793 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57772 |
13619 |
126 |
101 |
25 |
0 |
0 |
0 |
| OW |
0 |
1019 |
436 |
450 |
71 |
0 |
0 |
0 |
| VODI |
0 |
152 |
224 |
1125 |
477 |
10 |
0 |
0 |
| ODI |
0 |
29 |
47 |
545 |
1048 |
134 |
10 |
0 |
| CDI |
0 |
23 |
26 |
253 |
1309 |
2002 |
825 |
0 |
| VCDI |
0 |
1 |
10 |
55 |
286 |
2037 |
7376 |
8793 |
|
Date: 2024-04-20:
| 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 |
58210 |
12843 |
58 |
133 |
28 |
0 |
0 |
0 |
| OW |
0 |
1338 |
343 |
356 |
90 |
10 |
0 |
0 |
| VODI |
0 |
311 |
218 |
1085 |
503 |
64 |
0 |
0 |
| ODI |
0 |
84 |
50 |
548 |
806 |
284 |
2 |
0 |
| CDI |
0 |
72 |
48 |
260 |
1415 |
2093 |
622 |
0 |
| VCDI |
0 |
26 |
36 |
131 |
437 |
2025 |
8717 |
7170 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58210 |
13002 |
81 |
149 |
40 |
0 |
0 |
0 |
| OW |
0 |
1179 |
329 |
413 |
85 |
9 |
0 |
0 |
| VODI |
0 |
310 |
216 |
969 |
485 |
53 |
0 |
0 |
| ODI |
0 |
86 |
46 |
571 |
797 |
275 |
5 |
0 |
| CDI |
0 |
68 |
44 |
281 |
1452 |
2131 |
716 |
2 |
| VCDI |
0 |
29 |
37 |
130 |
420 |
2008 |
8620 |
7168 |
|
Date: 2024-04-22:
| 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 |
58631 |
12613 |
35 |
140 |
29 |
0 |
0 |
0 |
| OW |
42 |
1726 |
514 |
302 |
92 |
1 |
0 |
0 |
| VODI |
9 |
99 |
175 |
1448 |
368 |
14 |
0 |
0 |
| ODI |
0 |
57 |
31 |
474 |
1214 |
120 |
2 |
0 |
| CDI |
0 |
95 |
63 |
266 |
1441 |
3186 |
372 |
0 |
| VCDI |
0 |
1 |
2 |
52 |
339 |
2637 |
7489 |
6337 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58682 |
12143 |
66 |
161 |
41 |
0 |
0 |
0 |
| OW |
0 |
1305 |
242 |
387 |
140 |
5 |
0 |
0 |
| VODI |
0 |
668 |
262 |
853 |
422 |
73 |
2 |
0 |
| ODI |
0 |
196 |
111 |
633 |
692 |
293 |
41 |
0 |
| CDI |
0 |
161 |
78 |
442 |
1573 |
2440 |
572 |
0 |
| VCDI |
0 |
118 |
61 |
206 |
615 |
3147 |
7248 |
6337 |
|
Date: 2024-04-24:
| 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 |
58835 |
12776 |
96 |
94 |
6 |
0 |
0 |
0 |
| OW |
58 |
1718 |
339 |
363 |
80 |
1 |
0 |
0 |
| VODI |
0 |
397 |
254 |
1181 |
295 |
10 |
0 |
0 |
| ODI |
0 |
126 |
55 |
589 |
863 |
71 |
0 |
0 |
| CDI |
0 |
175 |
118 |
532 |
1821 |
2331 |
546 |
0 |
| VCDI |
0 |
0 |
10 |
181 |
719 |
2658 |
7117 |
6001 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58893 |
12119 |
108 |
100 |
9 |
0 |
0 |
0 |
| OW |
0 |
1322 |
240 |
454 |
114 |
10 |
0 |
0 |
| VODI |
0 |
919 |
182 |
859 |
292 |
31 |
0 |
0 |
| ODI |
0 |
335 |
140 |
498 |
713 |
135 |
23 |
0 |
| CDI |
0 |
403 |
136 |
714 |
1840 |
1899 |
833 |
0 |
| VCDI |
0 |
94 |
66 |
315 |
816 |
2996 |
6807 |
6001 |
|
Date: 2024-04-26:
| 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 |
58872 |
12834 |
107 |
122 |
5 |
0 |
0 |
0 |
| OW |
0 |
1665 |
315 |
398 |
43 |
0 |
0 |
0 |
| VODI |
0 |
545 |
209 |
1029 |
276 |
27 |
0 |
0 |
| ODI |
0 |
272 |
109 |
610 |
718 |
148 |
11 |
0 |
| CDI |
0 |
226 |
133 |
698 |
1737 |
2780 |
811 |
0 |
| VCDI |
0 |
11 |
19 |
288 |
526 |
2193 |
7049 |
5630 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58872 |
12064 |
118 |
122 |
19 |
3 |
0 |
0 |
| OW |
0 |
1418 |
244 |
458 |
99 |
18 |
0 |
0 |
| VODI |
0 |
1049 |
198 |
729 |
249 |
36 |
4 |
0 |
| ODI |
0 |
437 |
108 |
667 |
652 |
162 |
60 |
0 |
| CDI |
0 |
509 |
140 |
714 |
1551 |
2208 |
988 |
0 |
| VCDI |
0 |
76 |
84 |
455 |
735 |
2721 |
6819 |
5630 |
|
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