Validation of sea ice concentration - European sector
Bulletin date: 2023-12-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
82117 |
9505 |
178 |
255 |
279 |
402 |
43 |
0 |
| OW |
62 |
596 |
146 |
134 |
46 |
23 |
8 |
0 |
| VODI |
0 |
191 |
123 |
349 |
163 |
67 |
10 |
0 |
| ODI |
0 |
51 |
40 |
186 |
329 |
188 |
6 |
0 |
| CDI |
0 |
11 |
27 |
81 |
208 |
650 |
109 |
0 |
| VCDI |
0 |
22 |
14 |
53 |
170 |
1608 |
7643 |
3007 |
|
...date precedes bulletin
|
Date: 2023-12-03:
| 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 |
80976 |
9921 |
327 |
386 |
336 |
369 |
15 |
0 |
| OW |
85 |
427 |
149 |
334 |
148 |
31 |
6 |
0 |
| VODI |
0 |
168 |
78 |
357 |
285 |
72 |
11 |
0 |
| ODI |
0 |
57 |
26 |
119 |
318 |
245 |
36 |
0 |
| CDI |
0 |
42 |
21 |
73 |
168 |
490 |
180 |
0 |
| VCDI |
0 |
24 |
20 |
49 |
137 |
1702 |
8268 |
2644 |
|
...date precedes bulletin
|
Date: 2023-12-05:
| 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 |
79687 |
11254 |
297 |
475 |
368 |
235 |
33 |
0 |
| OW |
240 |
307 |
94 |
159 |
190 |
21 |
6 |
0 |
| VODI |
11 |
86 |
94 |
260 |
314 |
105 |
4 |
0 |
| ODI |
0 |
26 |
21 |
140 |
332 |
214 |
13 |
0 |
| CDI |
0 |
13 |
9 |
65 |
276 |
756 |
157 |
0 |
| VCDI |
0 |
8 |
7 |
17 |
94 |
1505 |
8727 |
2480 |
|
...date precedes bulletin
|
Date: 2023-12-07:
| 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 |
78660 |
11835 |
321 |
437 |
252 |
263 |
85 |
0 |
| OW |
124 |
554 |
142 |
237 |
160 |
55 |
10 |
0 |
| VODI |
2 |
171 |
81 |
234 |
214 |
194 |
11 |
0 |
| ODI |
0 |
43 |
30 |
135 |
239 |
260 |
24 |
0 |
| CDI |
0 |
24 |
15 |
92 |
165 |
675 |
178 |
0 |
| VCDI |
0 |
30 |
14 |
47 |
123 |
1274 |
8217 |
3473 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78626 |
11847 |
336 |
471 |
275 |
268 |
86 |
0 |
| OW |
137 |
444 |
133 |
217 |
124 |
52 |
10 |
0 |
| VODI |
23 |
274 |
77 |
225 |
246 |
161 |
9 |
0 |
| ODI |
0 |
40 |
30 |
133 |
215 |
278 |
20 |
0 |
| CDI |
0 |
27 |
13 |
94 |
166 |
704 |
188 |
0 |
| VCDI |
0 |
25 |
14 |
42 |
127 |
1258 |
8212 |
3473 |
|
Date: 2023-12-09:
| 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 |
79105 |
10753 |
288 |
412 |
353 |
339 |
161 |
0 |
| OW |
51 |
582 |
97 |
222 |
206 |
113 |
17 |
0 |
| VODI |
0 |
293 |
131 |
211 |
202 |
238 |
19 |
0 |
| ODI |
0 |
58 |
42 |
156 |
148 |
325 |
10 |
0 |
| CDI |
0 |
28 |
20 |
116 |
193 |
701 |
117 |
0 |
| VCDI |
0 |
70 |
19 |
53 |
156 |
1196 |
8057 |
3842 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79100 |
10709 |
297 |
443 |
376 |
361 |
164 |
0 |
| OW |
56 |
489 |
96 |
220 |
201 |
98 |
14 |
0 |
| VODI |
0 |
435 |
131 |
196 |
186 |
225 |
18 |
0 |
| ODI |
0 |
58 |
33 |
140 |
158 |
325 |
11 |
0 |
| CDI |
0 |
28 |
19 |
102 |
189 |
730 |
136 |
0 |
| VCDI |
0 |
65 |
21 |
69 |
148 |
1173 |
8038 |
3842 |
|
Date: 2023-12-11:
| 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 |
77563 |
12600 |
428 |
401 |
201 |
215 |
258 |
0 |
| OW |
51 |
379 |
165 |
314 |
135 |
24 |
9 |
0 |
| VODI |
0 |
101 |
95 |
320 |
277 |
88 |
19 |
0 |
| ODI |
0 |
23 |
21 |
179 |
326 |
232 |
26 |
0 |
| CDI |
0 |
18 |
13 |
87 |
213 |
789 |
151 |
0 |
| VCDI |
0 |
51 |
10 |
60 |
117 |
1236 |
9729 |
2176 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77561 |
11972 |
389 |
444 |
324 |
315 |
284 |
0 |
| OW |
53 |
529 |
94 |
202 |
133 |
74 |
24 |
0 |
| VODI |
0 |
467 |
151 |
285 |
214 |
125 |
30 |
0 |
| ODI |
0 |
66 |
55 |
145 |
170 |
195 |
24 |
0 |
| CDI |
0 |
42 |
21 |
148 |
218 |
428 |
110 |
0 |
| VCDI |
0 |
96 |
22 |
137 |
210 |
1447 |
9720 |
2176 |
|
Date: 2023-12-13:
| 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 |
77700 |
11702 |
333 |
540 |
274 |
305 |
119 |
0 |
| OW |
52 |
298 |
138 |
326 |
214 |
50 |
18 |
0 |
| VODI |
0 |
140 |
94 |
225 |
433 |
136 |
23 |
0 |
| ODI |
0 |
32 |
44 |
175 |
294 |
200 |
23 |
0 |
| CDI |
0 |
23 |
21 |
101 |
268 |
492 |
49 |
0 |
| VCDI |
0 |
29 |
20 |
63 |
213 |
2452 |
9055 |
2426 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77700 |
11480 |
313 |
470 |
359 |
442 |
158 |
0 |
| OW |
52 |
352 |
95 |
214 |
150 |
135 |
15 |
0 |
| VODI |
0 |
244 |
127 |
367 |
386 |
202 |
12 |
0 |
| ODI |
0 |
60 |
51 |
178 |
257 |
208 |
21 |
0 |
| CDI |
0 |
28 |
38 |
112 |
240 |
389 |
33 |
0 |
| VCDI |
0 |
60 |
26 |
89 |
304 |
2259 |
9048 |
2426 |
|
Date: 2023-12-15:
| 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 |
78452 |
11181 |
287 |
378 |
222 |
205 |
194 |
0 |
| OW |
56 |
377 |
121 |
284 |
180 |
69 |
17 |
0 |
| VODI |
0 |
179 |
80 |
291 |
326 |
159 |
33 |
0 |
| ODI |
0 |
83 |
37 |
166 |
247 |
162 |
37 |
0 |
| CDI |
0 |
52 |
35 |
129 |
320 |
310 |
103 |
0 |
| VCDI |
0 |
65 |
39 |
109 |
262 |
3144 |
8883 |
1826 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78443 |
10955 |
266 |
358 |
267 |
331 |
223 |
0 |
| OW |
65 |
447 |
117 |
204 |
97 |
83 |
35 |
0 |
| VODI |
0 |
248 |
88 |
299 |
185 |
114 |
40 |
0 |
| ODI |
0 |
110 |
51 |
215 |
300 |
164 |
56 |
0 |
| CDI |
0 |
85 |
27 |
133 |
327 |
283 |
81 |
0 |
| VCDI |
0 |
92 |
50 |
148 |
381 |
3074 |
8832 |
1826 |
|
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