Validation of sea ice concentration - European sector
Bulletin date: 2023-11-23
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-17:
| 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 |
74625 |
8293 |
258 |
459 |
84 |
0 |
0 |
0 |
| OW |
18 |
340 |
194 |
529 |
209 |
57 |
0 |
0 |
| VODI |
0 |
49 |
48 |
448 |
382 |
35 |
0 |
0 |
| ODI |
0 |
2 |
7 |
141 |
540 |
103 |
0 |
0 |
| CDI |
0 |
0 |
0 |
68 |
550 |
842 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
738 |
7429 |
3829 |
|
...date precedes bulletin
|
Date: 2023-11-19:
| 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 |
74299 |
8521 |
188 |
260 |
81 |
0 |
0 |
0 |
| OW |
10 |
513 |
195 |
435 |
144 |
61 |
0 |
0 |
| VODI |
0 |
81 |
102 |
612 |
180 |
35 |
0 |
0 |
| ODI |
0 |
5 |
8 |
333 |
332 |
75 |
0 |
0 |
| CDI |
0 |
0 |
5 |
114 |
580 |
953 |
217 |
4 |
| VCDI |
0 |
0 |
0 |
2 |
82 |
628 |
7271 |
4090 |
|
...date precedes bulletin
|
Date: 2023-11-21:
| 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 |
73617 |
8701 |
237 |
422 |
114 |
0 |
0 |
0 |
| OW |
15 |
526 |
146 |
336 |
152 |
16 |
0 |
0 |
| VODI |
0 |
49 |
131 |
556 |
469 |
68 |
0 |
0 |
| ODI |
0 |
3 |
7 |
248 |
669 |
49 |
0 |
0 |
| CDI |
0 |
4 |
9 |
73 |
710 |
877 |
235 |
0 |
| VCDI |
0 |
0 |
2 |
17 |
75 |
690 |
6121 |
5072 |
|
...date precedes bulletin
|
Date: 2023-11-23:
| 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 |
73954 |
8210 |
177 |
362 |
226 |
4 |
0 |
0 |
| OW |
34 |
651 |
156 |
197 |
163 |
62 |
0 |
0 |
| VODI |
0 |
253 |
160 |
462 |
256 |
105 |
37 |
0 |
| ODI |
0 |
61 |
61 |
403 |
253 |
62 |
18 |
0 |
| CDI |
0 |
44 |
33 |
370 |
1164 |
331 |
23 |
0 |
| VCDI |
0 |
17 |
20 |
138 |
531 |
2998 |
5653 |
2767 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73960 |
8273 |
197 |
383 |
224 |
4 |
0 |
0 |
| OW |
28 |
589 |
163 |
218 |
174 |
65 |
0 |
0 |
| VODI |
0 |
251 |
138 |
433 |
265 |
103 |
40 |
0 |
| ODI |
0 |
61 |
51 |
385 |
252 |
73 |
16 |
0 |
| CDI |
0 |
43 |
39 |
374 |
1222 |
276 |
20 |
0 |
| VCDI |
0 |
19 |
19 |
139 |
456 |
3041 |
5655 |
2767 |
|
Date: 2023-11-25:
| 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 |
73647 |
8351 |
142 |
290 |
164 |
0 |
0 |
0 |
| OW |
28 |
752 |
113 |
207 |
170 |
57 |
0 |
0 |
| VODI |
0 |
403 |
118 |
363 |
287 |
143 |
0 |
0 |
| ODI |
0 |
146 |
61 |
362 |
210 |
136 |
0 |
0 |
| CDI |
0 |
63 |
45 |
487 |
895 |
904 |
12 |
0 |
| VCDI |
0 |
7 |
17 |
74 |
277 |
2408 |
5945 |
3132 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73652 |
8457 |
144 |
317 |
173 |
0 |
0 |
0 |
| OW |
23 |
670 |
121 |
205 |
181 |
60 |
0 |
0 |
| VODI |
0 |
371 |
108 |
345 |
280 |
146 |
0 |
0 |
| ODI |
0 |
148 |
49 |
341 |
227 |
152 |
0 |
0 |
| CDI |
0 |
71 |
62 |
510 |
877 |
873 |
5 |
0 |
| VCDI |
0 |
5 |
12 |
65 |
265 |
2417 |
5952 |
3132 |
|
Date: 2023-11-27:
| 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 |
73004 |
8828 |
162 |
394 |
119 |
0 |
0 |
0 |
| OW |
0 |
1030 |
217 |
232 |
187 |
22 |
0 |
0 |
| VODI |
0 |
111 |
135 |
583 |
240 |
71 |
0 |
0 |
| ODI |
0 |
37 |
25 |
387 |
529 |
142 |
0 |
0 |
| CDI |
0 |
33 |
31 |
186 |
937 |
1625 |
21 |
0 |
| VCDI |
0 |
0 |
1 |
14 |
117 |
2594 |
5616 |
2786 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73002 |
8570 |
182 |
490 |
166 |
0 |
0 |
0 |
| OW |
2 |
642 |
63 |
217 |
281 |
73 |
0 |
0 |
| VODI |
0 |
486 |
129 |
161 |
281 |
265 |
0 |
0 |
| ODI |
0 |
206 |
58 |
292 |
236 |
244 |
0 |
0 |
| CDI |
0 |
101 |
110 |
518 |
849 |
792 |
10 |
0 |
| VCDI |
0 |
34 |
29 |
118 |
316 |
3080 |
5627 |
2786 |
|
Date: 2023-11-29:
| 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 |
73582 |
8182 |
160 |
307 |
188 |
3 |
0 |
0 |
| OW |
2 |
1003 |
171 |
209 |
147 |
11 |
0 |
0 |
| VODI |
2 |
296 |
164 |
478 |
164 |
22 |
0 |
0 |
| ODI |
1 |
48 |
70 |
427 |
537 |
134 |
0 |
0 |
| CDI |
0 |
23 |
18 |
269 |
1294 |
1215 |
64 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
110 |
1729 |
6301 |
3066 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73556 |
7743 |
140 |
301 |
188 |
3 |
0 |
0 |
| OW |
26 |
821 |
112 |
215 |
225 |
25 |
0 |
0 |
| VODI |
2 |
597 |
135 |
304 |
248 |
156 |
0 |
0 |
| ODI |
3 |
215 |
74 |
284 |
334 |
124 |
0 |
0 |
| CDI |
0 |
150 |
109 |
523 |
1208 |
775 |
7 |
0 |
| VCDI |
0 |
26 |
13 |
82 |
237 |
2031 |
6358 |
3066 |
|
Date: 2023-12-01:
| 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 |
73447 |
8350 |
205 |
264 |
193 |
79 |
0 |
0 |
| OW |
9 |
826 |
177 |
285 |
51 |
99 |
0 |
0 |
| VODI |
2 |
259 |
151 |
486 |
168 |
96 |
0 |
0 |
| ODI |
4 |
78 |
62 |
429 |
345 |
180 |
2 |
0 |
| CDI |
0 |
25 |
22 |
181 |
548 |
1170 |
145 |
0 |
| VCDI |
0 |
5 |
8 |
72 |
240 |
1077 |
6864 |
3812 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73339 |
7547 |
150 |
235 |
185 |
64 |
0 |
0 |
| OW |
100 |
999 |
107 |
135 |
70 |
171 |
0 |
0 |
| VODI |
17 |
691 |
146 |
382 |
110 |
183 |
17 |
0 |
| ODI |
4 |
192 |
139 |
381 |
195 |
166 |
4 |
0 |
| CDI |
2 |
90 |
74 |
489 |
750 |
1157 |
210 |
0 |
| VCDI |
0 |
24 |
9 |
95 |
235 |
960 |
6780 |
3812 |
|
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