Validation of sea ice concentration - European sector
Bulletin date: 2023-05-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-05:
| 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 |
67915 |
16589 |
509 |
846 |
524 |
183 |
45 |
0 |
| OW |
84 |
64 |
68 |
296 |
328 |
136 |
24 |
0 |
| VODI |
0 |
21 |
22 |
226 |
428 |
316 |
79 |
0 |
| ODI |
0 |
16 |
22 |
145 |
433 |
378 |
217 |
0 |
| CDI |
0 |
0 |
0 |
58 |
689 |
2309 |
1066 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
183 |
2635 |
6342 |
5882 |
|
...date precedes bulletin
|
Date: 2023-05-07:
| 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 |
68659 |
16227 |
498 |
774 |
411 |
124 |
24 |
0 |
| OW |
71 |
95 |
107 |
346 |
329 |
99 |
11 |
0 |
| VODI |
0 |
17 |
20 |
283 |
519 |
267 |
55 |
0 |
| ODI |
0 |
2 |
12 |
137 |
518 |
434 |
133 |
0 |
| CDI |
0 |
1 |
1 |
25 |
714 |
2162 |
991 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
231 |
3181 |
6129 |
5474 |
|
...date precedes bulletin
|
Date: 2023-05-09:
| 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 |
69320 |
16192 |
418 |
598 |
239 |
81 |
5 |
0 |
| OW |
71 |
173 |
136 |
323 |
226 |
40 |
2 |
0 |
| VODI |
0 |
34 |
44 |
423 |
491 |
125 |
13 |
0 |
| ODI |
0 |
3 |
11 |
152 |
681 |
466 |
54 |
0 |
| CDI |
0 |
0 |
2 |
22 |
820 |
2545 |
641 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
262 |
2284 |
6749 |
5430 |
|
...date precedes bulletin
|
Date: 2023-05-11:
| 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 |
70724 |
15100 |
372 |
491 |
211 |
103 |
8 |
0 |
| OW |
67 |
267 |
150 |
310 |
209 |
56 |
6 |
0 |
| VODI |
0 |
62 |
86 |
416 |
399 |
162 |
24 |
0 |
| ODI |
0 |
0 |
6 |
211 |
622 |
366 |
62 |
0 |
| CDI |
0 |
0 |
0 |
32 |
775 |
2285 |
623 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
218 |
2644 |
6751 |
5271 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70724 |
15138 |
390 |
545 |
258 |
107 |
7 |
0 |
| OW |
67 |
222 |
130 |
268 |
194 |
62 |
7 |
0 |
| VODI |
0 |
69 |
84 |
368 |
355 |
158 |
24 |
0 |
| ODI |
0 |
0 |
10 |
221 |
613 |
361 |
59 |
0 |
| CDI |
0 |
0 |
0 |
57 |
808 |
2346 |
646 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
206 |
2582 |
6731 |
5271 |
|
Date: 2023-05-13:
| 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 |
70391 |
15387 |
404 |
561 |
235 |
104 |
54 |
0 |
| OW |
59 |
264 |
133 |
344 |
227 |
84 |
36 |
0 |
| VODI |
0 |
63 |
77 |
345 |
438 |
207 |
49 |
0 |
| ODI |
0 |
14 |
12 |
166 |
432 |
418 |
148 |
0 |
| CDI |
0 |
2 |
4 |
67 |
793 |
1460 |
807 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
353 |
3280 |
6874 |
4804 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70391 |
15412 |
426 |
629 |
273 |
106 |
57 |
0 |
| OW |
59 |
235 |
117 |
289 |
226 |
92 |
35 |
0 |
| VODI |
0 |
62 |
69 |
312 |
380 |
193 |
46 |
0 |
| ODI |
0 |
19 |
8 |
147 |
475 |
462 |
130 |
0 |
| CDI |
0 |
2 |
10 |
104 |
757 |
1419 |
807 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
367 |
3281 |
6893 |
4804 |
|
Date: 2023-05-15:
| 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 |
70014 |
15807 |
407 |
520 |
217 |
76 |
26 |
0 |
| OW |
56 |
281 |
198 |
348 |
182 |
55 |
12 |
0 |
| VODI |
0 |
29 |
79 |
487 |
539 |
117 |
18 |
0 |
| ODI |
0 |
0 |
4 |
118 |
712 |
405 |
42 |
0 |
| CDI |
0 |
1 |
0 |
57 |
902 |
2233 |
453 |
0 |
| VCDI |
0 |
0 |
3 |
10 |
131 |
1914 |
7414 |
5233 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70012 |
15784 |
451 |
655 |
331 |
112 |
42 |
0 |
| OW |
58 |
264 |
136 |
285 |
206 |
88 |
19 |
0 |
| VODI |
0 |
63 |
78 |
294 |
435 |
161 |
53 |
0 |
| ODI |
0 |
6 |
22 |
159 |
404 |
286 |
180 |
0 |
| CDI |
0 |
1 |
1 |
109 |
852 |
1112 |
604 |
0 |
| VCDI |
0 |
0 |
3 |
38 |
455 |
3041 |
7067 |
5233 |
|
Date: 2023-05-17:
| 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 |
70821 |
15595 |
429 |
555 |
223 |
75 |
17 |
0 |
| OW |
54 |
153 |
136 |
383 |
218 |
35 |
16 |
0 |
| VODI |
0 |
28 |
55 |
329 |
519 |
160 |
47 |
0 |
| ODI |
0 |
7 |
7 |
116 |
511 |
227 |
115 |
0 |
| CDI |
0 |
2 |
4 |
75 |
924 |
2083 |
635 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
266 |
1951 |
6777 |
5530 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70819 |
15330 |
401 |
621 |
327 |
103 |
46 |
0 |
| OW |
56 |
298 |
93 |
290 |
236 |
74 |
18 |
0 |
| VODI |
0 |
110 |
80 |
230 |
376 |
208 |
93 |
0 |
| ODI |
0 |
35 |
43 |
157 |
339 |
208 |
206 |
0 |
| CDI |
0 |
12 |
14 |
142 |
839 |
1190 |
610 |
0 |
| VCDI |
0 |
0 |
0 |
40 |
544 |
2748 |
6634 |
5530 |
|
Date: 2023-05-19:
| 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 |
70987 |
15398 |
412 |
594 |
293 |
87 |
9 |
0 |
| OW |
62 |
123 |
161 |
395 |
289 |
96 |
21 |
0 |
| VODI |
0 |
25 |
35 |
295 |
467 |
184 |
105 |
0 |
| ODI |
0 |
3 |
8 |
104 |
512 |
306 |
114 |
0 |
| CDI |
0 |
0 |
3 |
93 |
886 |
2465 |
951 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
206 |
1996 |
8533 |
2853 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70987 |
15203 |
410 |
655 |
408 |
136 |
25 |
0 |
| OW |
62 |
219 |
92 |
276 |
245 |
142 |
34 |
0 |
| VODI |
0 |
102 |
71 |
214 |
303 |
201 |
168 |
0 |
| ODI |
0 |
20 |
40 |
164 |
335 |
244 |
225 |
0 |
| CDI |
0 |
5 |
4 |
133 |
991 |
1627 |
851 |
0 |
| VCDI |
0 |
0 |
2 |
68 |
371 |
2784 |
8430 |
2853 |
|
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