Validation of sea ice concentration - European sector
Bulletin date: 2022-12-29
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-23:
| 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 |
68108 |
17254 |
4470 |
302 |
182 |
327 |
13 |
0 |
| OW |
63 |
297 |
250 |
246 |
94 |
58 |
10 |
0 |
| VODI |
0 |
137 |
138 |
238 |
218 |
68 |
12 |
0 |
| ODI |
0 |
38 |
50 |
168 |
251 |
110 |
11 |
0 |
| CDI |
0 |
23 |
20 |
92 |
287 |
235 |
41 |
0 |
| VCDI |
0 |
4 |
25 |
97 |
621 |
4380 |
8229 |
1933 |
|
...date precedes bulletin
|
Date: 2022-12-25:
| 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 |
64355 |
20537 |
4550 |
334 |
178 |
397 |
28 |
0 |
| OW |
55 |
330 |
246 |
191 |
130 |
41 |
28 |
0 |
| VODI |
0 |
160 |
138 |
263 |
204 |
67 |
27 |
0 |
| ODI |
0 |
46 |
30 |
155 |
190 |
130 |
22 |
0 |
| CDI |
0 |
29 |
21 |
80 |
233 |
315 |
43 |
0 |
| VCDI |
0 |
10 |
26 |
78 |
327 |
3435 |
6972 |
4699 |
|
...date precedes bulletin
|
Date: 2022-12-27:
| 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 |
63862 |
23420 |
2410 |
270 |
125 |
312 |
25 |
0 |
| OW |
65 |
321 |
201 |
208 |
92 |
69 |
8 |
0 |
| VODI |
0 |
129 |
152 |
251 |
171 |
48 |
16 |
0 |
| ODI |
0 |
47 |
61 |
148 |
228 |
109 |
18 |
0 |
| CDI |
0 |
25 |
28 |
67 |
236 |
300 |
44 |
0 |
| VCDI |
0 |
18 |
47 |
99 |
328 |
3682 |
6377 |
5083 |
|
...date precedes bulletin
|
Date: 2022-12-29:
| 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 |
63739 |
21875 |
3569 |
270 |
174 |
368 |
39 |
0 |
| OW |
59 |
645 |
147 |
131 |
46 |
88 |
13 |
0 |
| VODI |
0 |
343 |
137 |
225 |
106 |
80 |
7 |
0 |
| ODI |
0 |
113 |
86 |
166 |
204 |
99 |
8 |
0 |
| CDI |
0 |
46 |
64 |
149 |
241 |
265 |
30 |
0 |
| VCDI |
0 |
61 |
50 |
188 |
852 |
3889 |
9674 |
854 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63739 |
22021 |
3579 |
282 |
181 |
383 |
41 |
0 |
| OW |
59 |
518 |
152 |
135 |
46 |
91 |
13 |
0 |
| VODI |
0 |
297 |
126 |
229 |
113 |
68 |
6 |
0 |
| ODI |
0 |
119 |
67 |
143 |
193 |
104 |
10 |
0 |
| CDI |
0 |
66 |
66 |
140 |
221 |
266 |
33 |
0 |
| VCDI |
0 |
62 |
63 |
200 |
869 |
3877 |
9668 |
854 |
|
Date: 2022-12-31:
| 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 |
67320 |
17103 |
4469 |
338 |
158 |
309 |
30 |
0 |
| OW |
119 |
707 |
137 |
102 |
62 |
81 |
16 |
0 |
| VODI |
8 |
384 |
185 |
199 |
106 |
82 |
10 |
0 |
| ODI |
0 |
165 |
92 |
187 |
146 |
67 |
12 |
0 |
| CDI |
0 |
62 |
69 |
179 |
224 |
164 |
32 |
0 |
| VCDI |
0 |
39 |
112 |
299 |
1021 |
3153 |
9827 |
1325 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67323 |
17226 |
4491 |
367 |
165 |
338 |
32 |
0 |
| OW |
116 |
608 |
116 |
96 |
55 |
69 |
17 |
0 |
| VODI |
8 |
332 |
169 |
196 |
108 |
79 |
7 |
0 |
| ODI |
0 |
162 |
96 |
170 |
158 |
58 |
15 |
0 |
| CDI |
0 |
85 |
59 |
157 |
194 |
165 |
34 |
0 |
| VCDI |
0 |
47 |
133 |
318 |
1037 |
3147 |
9822 |
1325 |
|
Date: 2023-01-02:
| 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 |
62687 |
21051 |
5281 |
395 |
155 |
160 |
4 |
0 |
| OW |
98 |
504 |
153 |
197 |
99 |
70 |
39 |
0 |
| VODI |
2 |
325 |
90 |
241 |
164 |
113 |
44 |
0 |
| ODI |
0 |
199 |
77 |
157 |
154 |
161 |
30 |
0 |
| CDI |
0 |
110 |
132 |
133 |
258 |
281 |
50 |
0 |
| VCDI |
0 |
127 |
180 |
334 |
732 |
2392 |
9832 |
1889 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62675 |
20585 |
5237 |
391 |
195 |
281 |
81 |
0 |
| OW |
109 |
553 |
131 |
136 |
79 |
98 |
20 |
0 |
| VODI |
3 |
616 |
132 |
184 |
119 |
115 |
24 |
0 |
| ODI |
0 |
217 |
78 |
189 |
111 |
102 |
25 |
0 |
| CDI |
0 |
195 |
101 |
163 |
207 |
217 |
35 |
0 |
| VCDI |
0 |
150 |
234 |
394 |
851 |
2364 |
9814 |
1889 |
|
Date: 2023-01-04:
| 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 |
61946 |
23800 |
2776 |
485 |
158 |
163 |
33 |
0 |
| OW |
92 |
440 |
293 |
232 |
71 |
52 |
21 |
0 |
| VODI |
2 |
226 |
257 |
346 |
115 |
86 |
66 |
0 |
| ODI |
0 |
142 |
148 |
224 |
147 |
138 |
46 |
0 |
| CDI |
0 |
101 |
113 |
258 |
226 |
250 |
96 |
0 |
| VCDI |
0 |
109 |
132 |
419 |
718 |
2138 |
9333 |
2702 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61944 |
23416 |
2640 |
407 |
186 |
261 |
146 |
0 |
| OW |
85 |
466 |
276 |
211 |
57 |
70 |
52 |
0 |
| VODI |
11 |
353 |
305 |
479 |
101 |
84 |
33 |
0 |
| ODI |
0 |
176 |
129 |
232 |
134 |
93 |
42 |
0 |
| CDI |
0 |
224 |
152 |
185 |
185 |
145 |
79 |
0 |
| VCDI |
0 |
183 |
217 |
450 |
772 |
2174 |
9243 |
2702 |
|
Date: 2023-01-06:
| 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 |
60713 |
23788 |
3848 |
316 |
175 |
93 |
84 |
0 |
| OW |
71 |
557 |
228 |
268 |
92 |
23 |
17 |
0 |
| VODI |
0 |
306 |
180 |
340 |
222 |
54 |
78 |
0 |
| ODI |
0 |
176 |
111 |
163 |
227 |
114 |
65 |
0 |
| CDI |
0 |
121 |
113 |
227 |
375 |
250 |
100 |
0 |
| VCDI |
0 |
78 |
117 |
367 |
705 |
2685 |
10346 |
1307 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60713 |
23249 |
3745 |
303 |
220 |
152 |
197 |
0 |
| OW |
71 |
568 |
225 |
200 |
74 |
59 |
79 |
0 |
| VODI |
0 |
466 |
191 |
335 |
262 |
65 |
47 |
0 |
| ODI |
0 |
214 |
131 |
176 |
228 |
63 |
36 |
0 |
| CDI |
0 |
299 |
110 |
172 |
266 |
108 |
64 |
0 |
| VCDI |
0 |
230 |
195 |
495 |
746 |
2772 |
10267 |
1307 |
|
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