Validation of sea ice concentration - European sector
Bulletin date: 2022-12-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-16:
| 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 |
79557 |
10982 |
128 |
449 |
300 |
261 |
7 |
0 |
| OW |
60 |
329 |
33 |
274 |
173 |
42 |
18 |
0 |
| VODI |
0 |
106 |
23 |
265 |
384 |
66 |
24 |
0 |
| ODI |
0 |
24 |
9 |
114 |
441 |
41 |
8 |
0 |
| CDI |
0 |
0 |
1 |
90 |
467 |
504 |
68 |
0 |
| VCDI |
0 |
0 |
0 |
70 |
525 |
4632 |
4486 |
4139 |
|
...date precedes bulletin
|
Date: 2022-12-18:
| 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 |
78932 |
11386 |
98 |
508 |
276 |
226 |
0 |
0 |
| OW |
61 |
347 |
33 |
254 |
189 |
47 |
1 |
0 |
| VODI |
0 |
171 |
30 |
235 |
349 |
86 |
11 |
0 |
| ODI |
0 |
45 |
11 |
151 |
310 |
122 |
15 |
0 |
| CDI |
0 |
11 |
8 |
102 |
366 |
587 |
61 |
0 |
| VCDI |
0 |
2 |
0 |
102 |
623 |
4907 |
4584 |
3853 |
|
...date precedes bulletin
|
Date: 2022-12-20:
| 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 |
78373 |
11757 |
100 |
463 |
225 |
225 |
0 |
0 |
| OW |
61 |
357 |
50 |
270 |
169 |
36 |
1 |
0 |
| VODI |
0 |
106 |
33 |
346 |
375 |
38 |
4 |
0 |
| ODI |
0 |
17 |
7 |
161 |
395 |
104 |
7 |
0 |
| CDI |
0 |
3 |
4 |
66 |
456 |
522 |
30 |
0 |
| VCDI |
0 |
0 |
1 |
37 |
468 |
4346 |
5149 |
4338 |
|
...date precedes bulletin
|
Date: 2022-12-22:
| 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 |
78895 |
11001 |
101 |
394 |
214 |
315 |
0 |
0 |
| OW |
63 |
390 |
60 |
298 |
105 |
53 |
0 |
0 |
| VODI |
0 |
150 |
29 |
374 |
246 |
37 |
3 |
0 |
| ODI |
0 |
30 |
8 |
179 |
377 |
37 |
6 |
0 |
| CDI |
0 |
11 |
6 |
74 |
496 |
127 |
20 |
0 |
| VCDI |
0 |
0 |
1 |
63 |
760 |
4629 |
4870 |
4678 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78895 |
11068 |
108 |
400 |
230 |
325 |
0 |
0 |
| OW |
63 |
363 |
52 |
293 |
95 |
47 |
0 |
0 |
| VODI |
0 |
117 |
32 |
369 |
277 |
33 |
4 |
0 |
| ODI |
0 |
27 |
6 |
194 |
361 |
48 |
9 |
0 |
| CDI |
0 |
7 |
6 |
64 |
500 |
150 |
18 |
0 |
| VCDI |
0 |
0 |
1 |
62 |
735 |
4595 |
4868 |
4678 |
|
Date: 2022-12-24:
| 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 |
78642 |
10731 |
89 |
361 |
223 |
331 |
0 |
0 |
| OW |
65 |
496 |
59 |
277 |
131 |
49 |
0 |
0 |
| VODI |
0 |
181 |
29 |
322 |
287 |
31 |
4 |
0 |
| ODI |
0 |
45 |
7 |
140 |
312 |
64 |
7 |
0 |
| CDI |
0 |
29 |
3 |
65 |
408 |
231 |
10 |
0 |
| VCDI |
0 |
11 |
9 |
80 |
627 |
3984 |
5612 |
5148 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78643 |
10813 |
85 |
350 |
227 |
336 |
0 |
0 |
| OW |
64 |
437 |
59 |
294 |
102 |
36 |
0 |
0 |
| VODI |
0 |
159 |
33 |
318 |
314 |
38 |
3 |
0 |
| ODI |
0 |
42 |
6 |
144 |
318 |
89 |
9 |
0 |
| CDI |
0 |
30 |
4 |
58 |
405 |
206 |
10 |
0 |
| VCDI |
0 |
12 |
9 |
81 |
622 |
3985 |
5611 |
5148 |
|
Date: 2022-12-26:
| 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 |
78714 |
10961 |
73 |
317 |
178 |
301 |
0 |
0 |
| OW |
63 |
436 |
47 |
214 |
83 |
65 |
0 |
0 |
| VODI |
0 |
140 |
36 |
342 |
216 |
56 |
0 |
0 |
| ODI |
0 |
48 |
8 |
166 |
351 |
76 |
0 |
0 |
| CDI |
0 |
14 |
8 |
62 |
402 |
304 |
7 |
0 |
| VCDI |
0 |
4 |
1 |
79 |
534 |
3175 |
6229 |
5390 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78704 |
10565 |
63 |
280 |
222 |
358 |
0 |
0 |
| OW |
73 |
602 |
30 |
177 |
67 |
48 |
0 |
0 |
| VODI |
0 |
292 |
46 |
290 |
178 |
55 |
1 |
0 |
| ODI |
0 |
81 |
22 |
195 |
263 |
59 |
3 |
0 |
| CDI |
0 |
48 |
4 |
138 |
328 |
183 |
11 |
0 |
| VCDI |
0 |
15 |
8 |
100 |
706 |
3274 |
6221 |
5390 |
|
Date: 2022-12-28:
| 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 |
77885 |
11325 |
82 |
400 |
220 |
333 |
0 |
0 |
| OW |
73 |
590 |
48 |
195 |
58 |
88 |
0 |
0 |
| VODI |
0 |
250 |
42 |
310 |
157 |
51 |
0 |
0 |
| ODI |
0 |
77 |
10 |
190 |
300 |
51 |
0 |
0 |
| CDI |
0 |
40 |
5 |
100 |
411 |
183 |
0 |
0 |
| VCDI |
0 |
44 |
10 |
121 |
950 |
3981 |
5603 |
4917 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77861 |
10964 |
72 |
339 |
227 |
454 |
0 |
0 |
| OW |
97 |
590 |
26 |
173 |
79 |
40 |
0 |
0 |
| VODI |
0 |
445 |
59 |
223 |
142 |
54 |
0 |
0 |
| ODI |
0 |
126 |
16 |
244 |
173 |
30 |
0 |
0 |
| CDI |
0 |
92 |
11 |
145 |
331 |
128 |
1 |
0 |
| VCDI |
0 |
109 |
13 |
192 |
1144 |
3981 |
5602 |
4917 |
|
Date: 2022-12-30:
| 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 |
78513 |
10291 |
77 |
396 |
216 |
333 |
0 |
0 |
| OW |
82 |
741 |
41 |
154 |
67 |
93 |
0 |
0 |
| VODI |
0 |
452 |
39 |
250 |
144 |
81 |
0 |
0 |
| ODI |
0 |
180 |
13 |
214 |
217 |
62 |
0 |
0 |
| CDI |
0 |
75 |
13 |
161 |
412 |
126 |
6 |
0 |
| VCDI |
0 |
52 |
14 |
201 |
1250 |
2873 |
7304 |
3957 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78475 |
9818 |
77 |
371 |
237 |
429 |
0 |
0 |
| OW |
108 |
588 |
19 |
134 |
77 |
100 |
0 |
0 |
| VODI |
12 |
519 |
39 |
171 |
158 |
72 |
0 |
0 |
| ODI |
0 |
336 |
16 |
155 |
141 |
41 |
0 |
0 |
| CDI |
0 |
281 |
16 |
137 |
275 |
90 |
5 |
0 |
| VCDI |
0 |
249 |
30 |
408 |
1418 |
2836 |
7305 |
3957 |
|
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