Validation of sea ice concentration - European sector
Bulletin date: 2023-02-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-17:
| 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 |
71608 |
13427 |
128 |
494 |
166 |
4 |
0 |
0 |
| OW |
51 |
543 |
44 |
355 |
134 |
4 |
0 |
0 |
| VODI |
0 |
311 |
47 |
420 |
333 |
9 |
0 |
0 |
| ODI |
0 |
141 |
25 |
273 |
456 |
57 |
0 |
0 |
| CDI |
0 |
79 |
22 |
178 |
634 |
380 |
36 |
0 |
| VCDI |
0 |
302 |
35 |
548 |
1731 |
3927 |
6165 |
6033 |
|
...date precedes bulletin
|
Date: 2023-02-19:
| 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 |
71186 |
13404 |
117 |
503 |
197 |
5 |
0 |
0 |
| OW |
73 |
510 |
51 |
366 |
170 |
11 |
0 |
0 |
| VODI |
0 |
274 |
39 |
431 |
381 |
24 |
0 |
0 |
| ODI |
0 |
120 |
25 |
236 |
512 |
47 |
0 |
0 |
| CDI |
0 |
34 |
17 |
167 |
705 |
356 |
18 |
0 |
| VCDI |
0 |
145 |
29 |
286 |
1564 |
4409 |
7212 |
5476 |
|
...date precedes bulletin
|
Date: 2023-02-21:
| 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 |
70651 |
13966 |
149 |
461 |
111 |
23 |
0 |
0 |
| OW |
60 |
412 |
67 |
411 |
163 |
7 |
0 |
0 |
| VODI |
0 |
169 |
35 |
444 |
478 |
12 |
0 |
0 |
| ODI |
0 |
27 |
15 |
281 |
625 |
63 |
0 |
0 |
| CDI |
0 |
6 |
4 |
98 |
803 |
531 |
21 |
0 |
| VCDI |
0 |
2 |
2 |
85 |
1082 |
4811 |
7216 |
5809 |
|
...date precedes bulletin
|
Date: 2023-02-23:
| 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 |
70636 |
13899 |
130 |
372 |
108 |
21 |
0 |
0 |
| OW |
52 |
484 |
67 |
408 |
117 |
9 |
0 |
0 |
| VODI |
0 |
239 |
46 |
524 |
288 |
12 |
0 |
0 |
| ODI |
0 |
104 |
23 |
311 |
498 |
22 |
0 |
0 |
| CDI |
0 |
25 |
16 |
191 |
707 |
308 |
59 |
0 |
| VCDI |
0 |
9 |
4 |
120 |
1351 |
4547 |
7845 |
5548 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70636 |
13896 |
134 |
424 |
114 |
21 |
0 |
0 |
| OW |
52 |
512 |
63 |
399 |
128 |
9 |
0 |
0 |
| VODI |
0 |
219 |
45 |
506 |
301 |
13 |
0 |
0 |
| ODI |
0 |
109 |
25 |
283 |
488 |
24 |
0 |
0 |
| CDI |
0 |
15 |
16 |
199 |
724 |
305 |
32 |
0 |
| VCDI |
0 |
9 |
3 |
115 |
1314 |
4547 |
7872 |
5548 |
|
Date: 2023-02-25:
| 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 |
70595 |
13748 |
124 |
455 |
208 |
10 |
0 |
0 |
| OW |
52 |
512 |
58 |
335 |
171 |
15 |
0 |
0 |
| VODI |
0 |
282 |
48 |
418 |
321 |
42 |
0 |
0 |
| ODI |
0 |
101 |
31 |
248 |
446 |
68 |
0 |
0 |
| CDI |
0 |
50 |
11 |
250 |
634 |
365 |
3 |
0 |
| VCDI |
0 |
48 |
5 |
192 |
1926 |
5081 |
7949 |
4298 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70595 |
13783 |
123 |
433 |
237 |
10 |
0 |
0 |
| OW |
52 |
494 |
61 |
359 |
145 |
24 |
0 |
0 |
| VODI |
0 |
277 |
47 |
413 |
284 |
54 |
0 |
0 |
| ODI |
0 |
95 |
32 |
273 |
442 |
60 |
0 |
0 |
| CDI |
0 |
49 |
9 |
219 |
695 |
355 |
19 |
0 |
| VCDI |
0 |
43 |
5 |
201 |
1903 |
5078 |
7933 |
4298 |
|
Date: 2023-02-27:
| 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 |
70807 |
13290 |
125 |
520 |
148 |
16 |
0 |
0 |
| OW |
52 |
551 |
74 |
425 |
173 |
9 |
0 |
0 |
| VODI |
0 |
285 |
39 |
456 |
432 |
19 |
0 |
0 |
| ODI |
0 |
95 |
19 |
313 |
661 |
62 |
0 |
0 |
| CDI |
0 |
46 |
2 |
110 |
930 |
681 |
21 |
0 |
| VCDI |
0 |
156 |
18 |
287 |
1499 |
5792 |
8133 |
2854 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70777 |
13146 |
107 |
484 |
216 |
15 |
0 |
0 |
| OW |
82 |
553 |
65 |
310 |
211 |
20 |
0 |
0 |
| VODI |
0 |
359 |
52 |
397 |
326 |
39 |
0 |
0 |
| ODI |
0 |
126 |
28 |
325 |
415 |
83 |
0 |
0 |
| CDI |
0 |
62 |
6 |
251 |
766 |
822 |
89 |
0 |
| VCDI |
0 |
177 |
19 |
344 |
1909 |
5600 |
8065 |
2854 |
|
Date: 2023-03-01:
| 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 |
70113 |
13746 |
137 |
619 |
204 |
26 |
6 |
0 |
| OW |
74 |
396 |
91 |
449 |
201 |
16 |
4 |
0 |
| VODI |
0 |
121 |
35 |
460 |
479 |
48 |
4 |
0 |
| ODI |
0 |
48 |
4 |
179 |
644 |
100 |
1 |
0 |
| CDI |
0 |
47 |
3 |
101 |
1337 |
622 |
47 |
0 |
| VCDI |
0 |
115 |
16 |
221 |
1341 |
4717 |
6933 |
5395 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70072 |
13634 |
136 |
530 |
253 |
49 |
6 |
0 |
| OW |
93 |
384 |
76 |
421 |
229 |
26 |
6 |
0 |
| VODI |
22 |
184 |
40 |
441 |
426 |
95 |
3 |
0 |
| ODI |
0 |
74 |
11 |
258 |
536 |
137 |
6 |
0 |
| CDI |
0 |
53 |
7 |
137 |
1213 |
658 |
26 |
0 |
| VCDI |
0 |
144 |
16 |
242 |
1549 |
4564 |
6948 |
5395 |
|
Date: 2023-03-03:
| 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 |
70275 |
13830 |
102 |
451 |
115 |
18 |
5 |
0 |
| OW |
86 |
424 |
86 |
415 |
171 |
4 |
2 |
0 |
| VODI |
0 |
207 |
37 |
491 |
395 |
31 |
1 |
0 |
| ODI |
0 |
50 |
18 |
341 |
532 |
108 |
0 |
0 |
| CDI |
0 |
31 |
2 |
205 |
866 |
1011 |
20 |
0 |
| VCDI |
0 |
116 |
18 |
171 |
1589 |
5211 |
7481 |
4184 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70232 |
13490 |
101 |
472 |
165 |
22 |
5 |
0 |
| OW |
91 |
552 |
62 |
292 |
225 |
9 |
3 |
0 |
| VODI |
38 |
318 |
45 |
434 |
343 |
70 |
0 |
0 |
| ODI |
0 |
125 |
27 |
310 |
420 |
157 |
0 |
0 |
| CDI |
0 |
46 |
11 |
358 |
778 |
958 |
36 |
0 |
| VCDI |
0 |
127 |
17 |
208 |
1737 |
5167 |
7465 |
4184 |
|
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