Validation of sea ice concentration - European sector
Bulletin date: 2024-02-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-16:
| 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 |
66431 |
17014 |
358 |
430 |
167 |
108 |
44 |
0 |
| OW |
57 |
744 |
139 |
348 |
155 |
74 |
6 |
0 |
| VODI |
0 |
594 |
136 |
327 |
306 |
161 |
23 |
0 |
| ODI |
0 |
207 |
61 |
211 |
269 |
259 |
48 |
0 |
| CDI |
0 |
168 |
72 |
185 |
265 |
426 |
256 |
0 |
| VCDI |
0 |
191 |
86 |
427 |
870 |
3215 |
12153 |
2109 |
|
...date precedes bulletin
|
Date: 2024-02-18:
| 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 |
65318 |
17482 |
442 |
610 |
196 |
68 |
31 |
0 |
| OW |
52 |
710 |
195 |
428 |
200 |
44 |
8 |
0 |
| VODI |
0 |
332 |
165 |
456 |
340 |
132 |
21 |
0 |
| ODI |
0 |
114 |
70 |
315 |
385 |
251 |
53 |
0 |
| CDI |
0 |
65 |
48 |
249 |
359 |
452 |
229 |
0 |
| VCDI |
0 |
92 |
51 |
314 |
922 |
3691 |
11876 |
2334 |
|
...date precedes bulletin
|
Date: 2024-02-20:
| 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 |
63962 |
18864 |
651 |
627 |
206 |
37 |
26 |
0 |
| OW |
52 |
338 |
203 |
425 |
206 |
38 |
9 |
0 |
| VODI |
0 |
129 |
82 |
512 |
523 |
126 |
7 |
0 |
| ODI |
0 |
93 |
55 |
170 |
592 |
313 |
48 |
0 |
| CDI |
0 |
34 |
13 |
146 |
579 |
881 |
310 |
0 |
| VCDI |
0 |
54 |
27 |
102 |
702 |
4517 |
9132 |
4309 |
|
...date precedes bulletin
|
Date: 2024-02-22:
| 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 |
65916 |
16685 |
440 |
709 |
383 |
91 |
64 |
0 |
| OW |
53 |
401 |
151 |
325 |
276 |
57 |
14 |
0 |
| VODI |
0 |
213 |
83 |
286 |
516 |
185 |
42 |
0 |
| ODI |
0 |
108 |
47 |
166 |
428 |
304 |
124 |
0 |
| CDI |
0 |
60 |
46 |
163 |
581 |
588 |
343 |
0 |
| VCDI |
0 |
77 |
37 |
139 |
856 |
3966 |
9104 |
5073 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65916 |
16776 |
460 |
717 |
402 |
88 |
57 |
0 |
| OW |
53 |
316 |
136 |
316 |
276 |
61 |
21 |
0 |
| VODI |
0 |
207 |
75 |
288 |
494 |
161 |
44 |
0 |
| ODI |
0 |
105 |
44 |
158 |
414 |
317 |
116 |
0 |
| CDI |
0 |
65 |
48 |
157 |
559 |
552 |
326 |
0 |
| VCDI |
0 |
75 |
41 |
152 |
895 |
4012 |
9127 |
5073 |
|
Date: 2024-02-24:
| 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 |
66385 |
16261 |
351 |
688 |
279 |
126 |
59 |
0 |
| OW |
53 |
600 |
137 |
313 |
164 |
92 |
24 |
0 |
| VODI |
0 |
365 |
130 |
400 |
289 |
163 |
71 |
0 |
| ODI |
0 |
201 |
54 |
303 |
392 |
244 |
130 |
0 |
| CDI |
0 |
127 |
63 |
160 |
462 |
368 |
323 |
0 |
| VCDI |
0 |
96 |
63 |
230 |
784 |
3376 |
9733 |
5041 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66385 |
16361 |
380 |
727 |
293 |
140 |
57 |
0 |
| OW |
53 |
530 |
118 |
327 |
156 |
75 |
26 |
0 |
| VODI |
0 |
336 |
115 |
351 |
262 |
154 |
72 |
0 |
| ODI |
0 |
185 |
61 |
286 |
369 |
226 |
117 |
0 |
| CDI |
0 |
132 |
58 |
167 |
428 |
376 |
297 |
0 |
| VCDI |
0 |
106 |
66 |
236 |
862 |
3398 |
9771 |
5041 |
|
Date: 2024-02-26:
| 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 |
65488 |
17092 |
365 |
638 |
303 |
158 |
81 |
0 |
| OW |
62 |
557 |
188 |
379 |
167 |
69 |
13 |
0 |
| VODI |
0 |
240 |
91 |
547 |
455 |
177 |
41 |
0 |
| ODI |
0 |
56 |
32 |
202 |
612 |
354 |
88 |
0 |
| CDI |
0 |
55 |
18 |
95 |
451 |
1157 |
477 |
0 |
| VCDI |
0 |
40 |
20 |
81 |
417 |
2991 |
9599 |
5244 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
42984 |
11227 |
275 |
501 |
292 |
141 |
51 |
0 |
| OW |
39 |
264 |
72 |
190 |
127 |
87 |
20 |
0 |
| VODI |
0 |
165 |
58 |
206 |
240 |
145 |
59 |
0 |
| ODI |
22527 |
6190 |
254 |
815 |
1095 |
1849 |
3670 |
1800 |
| CDI |
0 |
80 |
22 |
89 |
196 |
334 |
210 |
0 |
| VCDI |
0 |
114 |
33 |
141 |
455 |
2350 |
6289 |
3444 |
|
Date: 2024-02-28:
| 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 |
64904 |
17323 |
387 |
702 |
429 |
178 |
67 |
0 |
| OW |
52 |
588 |
160 |
375 |
228 |
77 |
13 |
0 |
| VODI |
0 |
301 |
105 |
488 |
416 |
199 |
39 |
0 |
| ODI |
0 |
136 |
49 |
191 |
429 |
335 |
102 |
0 |
| CDI |
0 |
115 |
41 |
123 |
339 |
671 |
391 |
0 |
| VCDI |
0 |
33 |
46 |
158 |
497 |
3617 |
9467 |
5329 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
34936 |
9112 |
295 |
584 |
440 |
372 |
195 |
0 |
| OW |
179 |
199 |
48 |
136 |
122 |
95 |
15 |
0 |
| VODI |
151 |
140 |
28 |
169 |
209 |
128 |
63 |
0 |
| ODI |
17799 |
5048 |
228 |
715 |
892 |
1836 |
3486 |
1808 |
| CDI |
285 |
80 |
31 |
80 |
151 |
242 |
229 |
0 |
| VCDI |
11606 |
3917 |
158 |
353 |
524 |
2404 |
6091 |
3521 |
|
Date: 2024-03-01:
| 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 |
66009 |
16818 |
423 |
558 |
245 |
169 |
65 |
0 |
| OW |
53 |
838 |
135 |
388 |
164 |
72 |
1 |
0 |
| VODI |
0 |
393 |
153 |
373 |
371 |
165 |
28 |
0 |
| ODI |
0 |
166 |
71 |
167 |
479 |
256 |
94 |
0 |
| CDI |
0 |
79 |
59 |
190 |
360 |
478 |
343 |
0 |
| VCDI |
0 |
57 |
46 |
229 |
881 |
3990 |
9435 |
4299 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
35542 |
8896 |
298 |
446 |
273 |
348 |
170 |
0 |
| OW |
163 |
259 |
51 |
137 |
93 |
59 |
16 |
0 |
| VODI |
157 |
215 |
68 |
163 |
177 |
83 |
31 |
0 |
| ODI |
18107 |
5066 |
294 |
719 |
988 |
1720 |
3442 |
1456 |
| CDI |
284 |
103 |
25 |
95 |
242 |
216 |
145 |
0 |
| VCDI |
11809 |
3812 |
151 |
345 |
727 |
2704 |
6162 |
2843 |
|
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