Validation of sea ice concentration - European sector
Bulletin date: 2023-02-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-01-27:
| 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 |
55096 |
25658 |
5416 |
1052 |
181 |
21 |
9 |
0 |
| OW |
63 |
189 |
199 |
278 |
215 |
49 |
16 |
0 |
| VODI |
0 |
145 |
115 |
339 |
298 |
118 |
20 |
0 |
| ODI |
0 |
63 |
82 |
257 |
432 |
175 |
36 |
0 |
| CDI |
0 |
12 |
56 |
189 |
454 |
360 |
162 |
0 |
| VCDI |
0 |
0 |
22 |
263 |
910 |
3800 |
9527 |
2823 |
|
...date precedes bulletin
|
Date: 2023-01-29:
| 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 |
56323 |
24504 |
5769 |
532 |
78 |
22 |
21 |
0 |
| OW |
63 |
196 |
218 |
369 |
141 |
28 |
10 |
0 |
| VODI |
0 |
148 |
172 |
324 |
256 |
80 |
8 |
0 |
| ODI |
0 |
68 |
65 |
282 |
409 |
113 |
29 |
0 |
| CDI |
0 |
68 |
52 |
218 |
550 |
247 |
37 |
0 |
| VCDI |
0 |
32 |
86 |
389 |
1054 |
4002 |
9846 |
2291 |
|
...date precedes bulletin
|
Date: 2023-01-31:
| 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 |
57821 |
23826 |
4793 |
483 |
106 |
20 |
0 |
0 |
| OW |
74 |
223 |
231 |
302 |
145 |
32 |
1 |
0 |
| VODI |
0 |
138 |
153 |
352 |
278 |
93 |
4 |
0 |
| ODI |
0 |
80 |
75 |
259 |
314 |
209 |
11 |
0 |
| CDI |
0 |
52 |
59 |
190 |
415 |
480 |
34 |
0 |
| VCDI |
0 |
9 |
48 |
210 |
934 |
3710 |
10534 |
2402 |
|
...date precedes bulletin
|
Date: 2023-02-02:
| 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 |
53700 |
27599 |
4653 |
549 |
142 |
6 |
1 |
0 |
| OW |
60 |
170 |
287 |
285 |
209 |
24 |
6 |
0 |
| VODI |
0 |
137 |
132 |
303 |
312 |
102 |
2 |
0 |
| ODI |
0 |
78 |
44 |
181 |
293 |
170 |
0 |
0 |
| CDI |
0 |
48 |
57 |
124 |
415 |
417 |
22 |
0 |
| VCDI |
0 |
14 |
54 |
210 |
904 |
3831 |
9429 |
4130 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53700 |
27609 |
4669 |
590 |
161 |
12 |
5 |
0 |
| OW |
60 |
161 |
268 |
244 |
194 |
19 |
2 |
0 |
| VODI |
0 |
123 |
134 |
301 |
282 |
106 |
1 |
0 |
| ODI |
0 |
100 |
50 |
180 |
308 |
158 |
2 |
0 |
| CDI |
0 |
39 |
56 |
132 |
371 |
427 |
26 |
0 |
| VCDI |
0 |
14 |
50 |
205 |
959 |
3828 |
9424 |
4130 |
|
Date: 2023-02-04:
| 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 |
54586 |
23094 |
8265 |
529 |
178 |
29 |
26 |
0 |
| OW |
51 |
357 |
200 |
309 |
136 |
51 |
6 |
0 |
| VODI |
0 |
226 |
154 |
270 |
253 |
112 |
2 |
0 |
| ODI |
0 |
113 |
68 |
166 |
294 |
164 |
15 |
0 |
| CDI |
0 |
40 |
62 |
154 |
326 |
366 |
106 |
0 |
| VCDI |
0 |
6 |
44 |
199 |
524 |
3161 |
11901 |
2557 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54586 |
23118 |
8244 |
544 |
173 |
32 |
26 |
0 |
| OW |
51 |
320 |
224 |
298 |
134 |
48 |
6 |
0 |
| VODI |
0 |
225 |
143 |
266 |
231 |
104 |
3 |
0 |
| ODI |
0 |
123 |
77 |
158 |
287 |
155 |
21 |
0 |
| CDI |
0 |
41 |
64 |
164 |
346 |
357 |
125 |
0 |
| VCDI |
0 |
9 |
41 |
197 |
540 |
3187 |
11875 |
2557 |
|
Date: 2023-02-06:
| 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 |
52282 |
29068 |
4795 |
618 |
144 |
19 |
34 |
0 |
| OW |
75 |
340 |
225 |
326 |
131 |
14 |
6 |
0 |
| VODI |
0 |
143 |
162 |
370 |
376 |
46 |
6 |
0 |
| ODI |
0 |
48 |
70 |
166 |
459 |
119 |
12 |
0 |
| CDI |
0 |
11 |
69 |
131 |
400 |
397 |
156 |
0 |
| VCDI |
0 |
7 |
21 |
78 |
487 |
4491 |
10990 |
1808 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
52297 |
28722 |
4712 |
636 |
166 |
24 |
38 |
0 |
| OW |
60 |
425 |
180 |
272 |
153 |
31 |
5 |
0 |
| VODI |
0 |
271 |
148 |
278 |
314 |
76 |
16 |
0 |
| ODI |
0 |
118 |
100 |
156 |
342 |
153 |
57 |
0 |
| CDI |
0 |
59 |
91 |
134 |
349 |
369 |
218 |
0 |
| VCDI |
0 |
22 |
111 |
213 |
673 |
4433 |
10870 |
1808 |
|
Date: 2023-02-08:
| 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 |
51367 |
24110 |
9926 |
877 |
174 |
47 |
6 |
0 |
| OW |
52 |
251 |
328 |
326 |
203 |
26 |
0 |
0 |
| VODI |
0 |
115 |
194 |
392 |
329 |
73 |
6 |
0 |
| ODI |
0 |
49 |
80 |
216 |
392 |
139 |
39 |
0 |
| CDI |
0 |
22 |
75 |
171 |
655 |
426 |
187 |
0 |
| VCDI |
0 |
14 |
208 |
400 |
1107 |
4259 |
9202 |
2657 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
51367 |
23929 |
9731 |
857 |
209 |
49 |
6 |
0 |
| OW |
52 |
302 |
277 |
318 |
195 |
49 |
1 |
0 |
| VODI |
0 |
166 |
233 |
277 |
324 |
119 |
29 |
0 |
| ODI |
0 |
82 |
146 |
181 |
283 |
156 |
81 |
0 |
| CDI |
0 |
31 |
129 |
160 |
510 |
374 |
115 |
0 |
| VCDI |
0 |
51 |
295 |
589 |
1339 |
4223 |
9208 |
2657 |
|
Date: 2023-02-10:
| 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 |
53683 |
24887 |
7035 |
518 |
88 |
5 |
0 |
0 |
| OW |
58 |
467 |
172 |
290 |
190 |
21 |
0 |
0 |
| VODI |
2 |
262 |
219 |
294 |
273 |
72 |
1 |
0 |
| ODI |
0 |
92 |
85 |
218 |
331 |
147 |
17 |
0 |
| CDI |
0 |
77 |
80 |
185 |
419 |
464 |
127 |
0 |
| VCDI |
0 |
80 |
516 |
534 |
1273 |
4838 |
9322 |
1758 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53676 |
24605 |
7028 |
611 |
155 |
16 |
2 |
0 |
| OW |
65 |
469 |
142 |
245 |
215 |
36 |
5 |
0 |
| VODI |
2 |
294 |
119 |
235 |
294 |
110 |
17 |
0 |
| ODI |
0 |
149 |
99 |
119 |
248 |
202 |
32 |
0 |
| CDI |
0 |
99 |
89 |
123 |
291 |
331 |
70 |
0 |
| VCDI |
0 |
249 |
630 |
706 |
1371 |
4852 |
9341 |
1758 |
|
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