Validation of sea ice concentration - European sector
Bulletin date: 2023-01-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-30:
| 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 |
62628 |
22087 |
4225 |
314 |
170 |
343 |
59 |
0 |
| OW |
109 |
671 |
129 |
103 |
59 |
90 |
17 |
0 |
| VODI |
3 |
359 |
172 |
217 |
111 |
89 |
15 |
0 |
| ODI |
0 |
125 |
98 |
179 |
181 |
97 |
6 |
0 |
| CDI |
0 |
53 |
50 |
174 |
252 |
247 |
17 |
0 |
| VCDI |
0 |
31 |
79 |
228 |
862 |
3294 |
10778 |
379 |
|
...date precedes bulletin
|
Date: 2023-01-01:
| 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 |
55779 |
24982 |
7814 |
376 |
185 |
318 |
61 |
0 |
| OW |
67 |
831 |
104 |
132 |
77 |
93 |
21 |
0 |
| VODI |
0 |
518 |
135 |
153 |
128 |
89 |
35 |
0 |
| ODI |
0 |
210 |
100 |
163 |
124 |
94 |
18 |
0 |
| CDI |
0 |
120 |
70 |
170 |
186 |
197 |
44 |
0 |
| VCDI |
0 |
134 |
151 |
376 |
980 |
3087 |
9261 |
1717 |
|
...date precedes bulletin
|
Date: 2023-01-03:
| 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 |
60748 |
23516 |
4526 |
448 |
187 |
186 |
3 |
0 |
| OW |
104 |
385 |
246 |
205 |
87 |
58 |
39 |
0 |
| VODI |
4 |
255 |
181 |
277 |
137 |
94 |
63 |
0 |
| ODI |
0 |
164 |
113 |
200 |
142 |
130 |
43 |
0 |
| CDI |
0 |
72 |
108 |
243 |
242 |
239 |
80 |
0 |
| VCDI |
0 |
58 |
122 |
481 |
753 |
1981 |
8915 |
3265 |
|
...date precedes bulletin
|
Date: 2023-01-05:
| 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 |
59978 |
21253 |
7190 |
380 |
169 |
117 |
74 |
0 |
| OW |
60 |
434 |
402 |
222 |
70 |
20 |
25 |
0 |
| VODI |
0 |
230 |
252 |
425 |
104 |
49 |
80 |
0 |
| ODI |
0 |
150 |
153 |
259 |
147 |
138 |
47 |
0 |
| CDI |
0 |
113 |
114 |
298 |
247 |
257 |
101 |
0 |
| VCDI |
0 |
114 |
137 |
367 |
690 |
2702 |
9914 |
1618 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59978 |
21351 |
7217 |
374 |
168 |
116 |
80 |
0 |
| OW |
60 |
332 |
379 |
241 |
69 |
29 |
30 |
0 |
| VODI |
0 |
224 |
261 |
383 |
110 |
49 |
84 |
0 |
| ODI |
0 |
154 |
147 |
277 |
144 |
139 |
43 |
0 |
| CDI |
0 |
109 |
107 |
281 |
246 |
274 |
102 |
0 |
| VCDI |
0 |
124 |
137 |
395 |
690 |
2676 |
9902 |
1618 |
|
Date: 2023-01-07:
| 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 |
63639 |
22897 |
1747 |
329 |
136 |
109 |
69 |
0 |
| OW |
73 |
518 |
249 |
291 |
71 |
27 |
8 |
0 |
| VODI |
0 |
262 |
195 |
360 |
265 |
76 |
51 |
0 |
| ODI |
0 |
128 |
123 |
229 |
185 |
97 |
85 |
0 |
| CDI |
0 |
109 |
106 |
312 |
375 |
191 |
103 |
0 |
| VCDI |
0 |
67 |
91 |
390 |
763 |
2465 |
8627 |
3282 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63639 |
23010 |
1763 |
335 |
142 |
119 |
70 |
0 |
| OW |
73 |
409 |
256 |
293 |
105 |
27 |
11 |
0 |
| VODI |
0 |
250 |
164 |
334 |
200 |
74 |
66 |
0 |
| ODI |
0 |
129 |
121 |
239 |
177 |
93 |
82 |
0 |
| CDI |
0 |
109 |
109 |
326 |
380 |
205 |
95 |
0 |
| VCDI |
0 |
74 |
98 |
384 |
791 |
2447 |
8619 |
3282 |
|
Date: 2023-01-09:
| 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 |
59995 |
23692 |
5110 |
231 |
95 |
74 |
92 |
0 |
| OW |
60 |
280 |
371 |
315 |
83 |
22 |
20 |
0 |
| VODI |
0 |
178 |
251 |
565 |
221 |
35 |
26 |
0 |
| ODI |
0 |
64 |
80 |
282 |
402 |
55 |
32 |
0 |
| CDI |
0 |
60 |
75 |
276 |
381 |
313 |
74 |
0 |
| VCDI |
0 |
25 |
36 |
201 |
644 |
2368 |
8288 |
3728 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59990 |
23005 |
4952 |
313 |
151 |
105 |
123 |
0 |
| OW |
65 |
645 |
328 |
235 |
85 |
26 |
30 |
0 |
| VODI |
0 |
286 |
274 |
272 |
181 |
63 |
79 |
0 |
| ODI |
0 |
139 |
155 |
257 |
124 |
59 |
114 |
0 |
| CDI |
0 |
112 |
105 |
327 |
248 |
159 |
122 |
0 |
| VCDI |
0 |
112 |
109 |
466 |
1037 |
2455 |
8064 |
3728 |
|
Date: 2023-01-11:
| 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 |
59390 |
24959 |
4266 |
202 |
93 |
81 |
79 |
0 |
| OW |
75 |
451 |
372 |
187 |
50 |
24 |
28 |
0 |
| VODI |
0 |
290 |
304 |
346 |
181 |
48 |
21 |
0 |
| ODI |
0 |
77 |
130 |
264 |
293 |
70 |
16 |
0 |
| CDI |
0 |
43 |
93 |
184 |
296 |
208 |
113 |
0 |
| VCDI |
0 |
22 |
145 |
342 |
820 |
2937 |
10483 |
1117 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59370 |
24428 |
4123 |
200 |
128 |
111 |
121 |
0 |
| OW |
90 |
783 |
330 |
212 |
65 |
39 |
20 |
0 |
| VODI |
5 |
328 |
312 |
262 |
210 |
87 |
65 |
0 |
| ODI |
0 |
127 |
191 |
233 |
151 |
92 |
107 |
0 |
| CDI |
0 |
85 |
149 |
190 |
287 |
190 |
105 |
0 |
| VCDI |
0 |
91 |
205 |
428 |
892 |
2849 |
10322 |
1117 |
|
Date: 2023-01-13:
| 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 |
57885 |
22788 |
7240 |
242 |
102 |
63 |
54 |
0 |
| OW |
79 |
567 |
402 |
179 |
70 |
39 |
31 |
0 |
| VODI |
1 |
356 |
376 |
321 |
170 |
53 |
13 |
0 |
| ODI |
0 |
73 |
179 |
290 |
240 |
80 |
30 |
0 |
| CDI |
0 |
35 |
83 |
241 |
308 |
212 |
72 |
0 |
| VCDI |
0 |
27 |
113 |
392 |
891 |
2792 |
10568 |
1443 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57875 |
22482 |
7101 |
303 |
133 |
126 |
105 |
0 |
| OW |
87 |
659 |
513 |
201 |
96 |
47 |
14 |
0 |
| VODI |
3 |
399 |
364 |
297 |
259 |
75 |
67 |
0 |
| ODI |
0 |
145 |
145 |
192 |
188 |
90 |
123 |
0 |
| CDI |
0 |
67 |
94 |
192 |
271 |
181 |
121 |
0 |
| VCDI |
0 |
94 |
176 |
480 |
834 |
2720 |
10338 |
1443 |
|
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