Validation of sea ice concentration - European sector
Bulletin date: 2023-01-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-01-20:
| 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 |
55932 |
24947 |
6587 |
217 |
80 |
27 |
25 |
0 |
| OW |
74 |
567 |
261 |
221 |
61 |
23 |
11 |
0 |
| VODI |
0 |
391 |
201 |
381 |
174 |
56 |
12 |
0 |
| ODI |
0 |
161 |
90 |
284 |
202 |
110 |
17 |
0 |
| CDI |
0 |
96 |
65 |
265 |
241 |
189 |
33 |
0 |
| VCDI |
0 |
91 |
138 |
469 |
1004 |
2741 |
8362 |
4294 |
|
...date precedes bulletin
|
Date: 2023-01-22:
| 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 |
58991 |
23993 |
3983 |
336 |
105 |
11 |
0 |
0 |
| OW |
73 |
486 |
293 |
374 |
138 |
41 |
0 |
0 |
| VODI |
0 |
352 |
235 |
437 |
337 |
107 |
5 |
0 |
| ODI |
0 |
195 |
103 |
259 |
259 |
127 |
6 |
0 |
| CDI |
0 |
119 |
89 |
232 |
279 |
191 |
57 |
0 |
| VCDI |
0 |
125 |
139 |
373 |
834 |
2850 |
9190 |
3376 |
|
...date precedes bulletin
|
Date: 2023-01-24:
| 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 |
53709 |
25829 |
7576 |
734 |
125 |
8 |
0 |
0 |
| OW |
62 |
250 |
178 |
363 |
144 |
25 |
0 |
0 |
| VODI |
0 |
186 |
116 |
456 |
494 |
65 |
1 |
0 |
| ODI |
0 |
108 |
74 |
215 |
459 |
173 |
0 |
0 |
| CDI |
0 |
71 |
99 |
247 |
403 |
470 |
128 |
0 |
| VCDI |
0 |
34 |
83 |
305 |
723 |
3925 |
10081 |
1181 |
|
...date precedes bulletin
|
Date: 2023-01-26:
| 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 |
54605 |
25451 |
6792 |
618 |
104 |
13 |
2 |
0 |
| OW |
73 |
178 |
200 |
320 |
182 |
23 |
6 |
0 |
| VODI |
0 |
163 |
121 |
367 |
448 |
50 |
16 |
0 |
| ODI |
0 |
70 |
71 |
258 |
509 |
138 |
17 |
0 |
| CDI |
0 |
20 |
57 |
218 |
474 |
353 |
107 |
0 |
| VCDI |
0 |
0 |
16 |
304 |
892 |
4010 |
9473 |
2381 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54604 |
25453 |
6800 |
642 |
117 |
14 |
5 |
0 |
| OW |
74 |
171 |
182 |
275 |
171 |
24 |
7 |
0 |
| VODI |
0 |
150 |
133 |
352 |
412 |
58 |
15 |
0 |
| ODI |
0 |
79 |
64 |
277 |
512 |
138 |
18 |
0 |
| CDI |
0 |
28 |
59 |
224 |
480 |
332 |
109 |
0 |
| VCDI |
0 |
1 |
19 |
315 |
917 |
4021 |
9467 |
2381 |
|
Date: 2023-01-28:
| 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 |
53097 |
27128 |
6307 |
602 |
191 |
22 |
9 |
0 |
| OW |
69 |
190 |
160 |
298 |
224 |
59 |
5 |
0 |
| VODI |
0 |
150 |
105 |
315 |
308 |
107 |
11 |
0 |
| ODI |
0 |
87 |
72 |
199 |
390 |
221 |
22 |
0 |
| CDI |
0 |
45 |
59 |
139 |
470 |
379 |
54 |
0 |
| VCDI |
0 |
24 |
95 |
340 |
941 |
4691 |
8577 |
2938 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53097 |
27134 |
6323 |
611 |
153 |
25 |
9 |
0 |
| OW |
69 |
176 |
143 |
276 |
260 |
48 |
3 |
0 |
| VODI |
0 |
143 |
103 |
311 |
259 |
114 |
15 |
0 |
| ODI |
0 |
99 |
74 |
214 |
375 |
207 |
23 |
0 |
| CDI |
0 |
44 |
68 |
148 |
484 |
365 |
48 |
0 |
| VCDI |
0 |
28 |
87 |
333 |
993 |
4720 |
8580 |
2938 |
|
Date: 2023-01-30:
| 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 |
54926 |
25067 |
6687 |
441 |
75 |
6 |
4 |
0 |
| OW |
74 |
252 |
239 |
333 |
131 |
21 |
9 |
0 |
| VODI |
0 |
135 |
192 |
407 |
292 |
52 |
12 |
0 |
| ODI |
0 |
80 |
89 |
299 |
480 |
197 |
20 |
0 |
| CDI |
0 |
26 |
50 |
202 |
509 |
502 |
55 |
0 |
| VCDI |
0 |
8 |
22 |
149 |
817 |
3824 |
10492 |
1924 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54924 |
24932 |
6653 |
445 |
114 |
17 |
16 |
0 |
| OW |
76 |
232 |
200 |
244 |
139 |
31 |
8 |
0 |
| VODI |
0 |
163 |
149 |
300 |
220 |
104 |
23 |
0 |
| ODI |
0 |
99 |
91 |
216 |
270 |
156 |
27 |
0 |
| CDI |
0 |
57 |
67 |
198 |
401 |
368 |
65 |
0 |
| VCDI |
0 |
85 |
119 |
428 |
1160 |
3926 |
10453 |
1924 |
|
Date: 2023-02-01:
| 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 |
53123 |
27176 |
5941 |
456 |
98 |
14 |
3 |
0 |
| OW |
76 |
189 |
238 |
316 |
184 |
27 |
3 |
0 |
| VODI |
0 |
127 |
127 |
352 |
308 |
96 |
0 |
0 |
| ODI |
0 |
69 |
70 |
214 |
295 |
182 |
8 |
0 |
| CDI |
0 |
54 |
48 |
175 |
358 |
427 |
49 |
0 |
| VCDI |
0 |
21 |
52 |
240 |
914 |
3252 |
9658 |
4160 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53139 |
27005 |
5871 |
505 |
174 |
30 |
4 |
0 |
| OW |
60 |
255 |
212 |
242 |
180 |
54 |
1 |
0 |
| VODI |
0 |
158 |
132 |
257 |
221 |
135 |
9 |
0 |
| ODI |
0 |
78 |
88 |
210 |
229 |
192 |
32 |
0 |
| CDI |
0 |
64 |
66 |
165 |
300 |
378 |
72 |
0 |
| VCDI |
0 |
76 |
107 |
374 |
1053 |
3209 |
9603 |
4160 |
|
Date: 2023-02-03:
| 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 |
58057 |
23973 |
3661 |
667 |
175 |
23 |
14 |
0 |
| OW |
60 |
225 |
219 |
279 |
231 |
51 |
5 |
0 |
| VODI |
0 |
159 |
146 |
282 |
259 |
157 |
1 |
0 |
| ODI |
0 |
92 |
47 |
150 |
248 |
221 |
9 |
0 |
| CDI |
0 |
52 |
55 |
131 |
301 |
452 |
65 |
0 |
| VCDI |
0 |
6 |
45 |
224 |
837 |
3099 |
9880 |
4542 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58057 |
23794 |
3612 |
771 |
322 |
103 |
14 |
0 |
| OW |
60 |
295 |
205 |
186 |
193 |
69 |
8 |
0 |
| VODI |
0 |
180 |
154 |
180 |
269 |
158 |
10 |
0 |
| ODI |
0 |
128 |
85 |
154 |
208 |
216 |
28 |
0 |
| CDI |
0 |
74 |
55 |
146 |
210 |
444 |
59 |
0 |
| VCDI |
0 |
36 |
62 |
296 |
849 |
3013 |
9855 |
4542 |
|
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