Validation of sea ice concentration - European sector
Bulletin date: 2022-12-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-16:
| 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 |
67103 |
18259 |
5277 |
444 |
254 |
319 |
28 |
0 |
| OW |
60 |
257 |
129 |
241 |
163 |
37 |
42 |
0 |
| VODI |
0 |
101 |
96 |
210 |
317 |
97 |
47 |
0 |
| ODI |
0 |
31 |
42 |
129 |
285 |
132 |
18 |
0 |
| CDI |
0 |
8 |
44 |
65 |
326 |
492 |
195 |
0 |
| VCDI |
0 |
1 |
13 |
85 |
510 |
4726 |
6731 |
1786 |
|
...date precedes bulletin
|
Date: 2022-12-18:
| 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 |
66743 |
18159 |
5537 |
436 |
269 |
261 |
21 |
0 |
| OW |
61 |
212 |
208 |
213 |
170 |
52 |
16 |
0 |
| VODI |
0 |
111 |
152 |
183 |
273 |
133 |
30 |
0 |
| ODI |
0 |
36 |
67 |
134 |
209 |
174 |
34 |
0 |
| CDI |
0 |
8 |
46 |
98 |
229 |
474 |
280 |
0 |
| VCDI |
0 |
1 |
20 |
130 |
476 |
5175 |
6872 |
1397 |
|
...date precedes bulletin
|
Date: 2022-12-20:
| 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 |
65272 |
21109 |
3920 |
396 |
199 |
238 |
9 |
0 |
| OW |
61 |
160 |
250 |
252 |
163 |
56 |
2 |
0 |
| VODI |
0 |
70 |
145 |
271 |
309 |
96 |
11 |
0 |
| ODI |
0 |
26 |
44 |
155 |
219 |
230 |
17 |
0 |
| CDI |
0 |
9 |
25 |
99 |
245 |
522 |
181 |
0 |
| VCDI |
0 |
1 |
9 |
77 |
381 |
4189 |
7892 |
1790 |
|
...date precedes bulletin
|
Date: 2022-12-22:
| 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 |
64433 |
20760 |
4911 |
286 |
162 |
327 |
41 |
0 |
| OW |
63 |
265 |
232 |
247 |
93 |
51 |
18 |
0 |
| VODI |
0 |
111 |
164 |
286 |
187 |
73 |
18 |
0 |
| ODI |
0 |
31 |
41 |
194 |
252 |
92 |
27 |
0 |
| CDI |
0 |
13 |
20 |
116 |
285 |
246 |
54 |
0 |
| VCDI |
0 |
1 |
12 |
76 |
621 |
4508 |
8597 |
1186 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64433 |
20798 |
4947 |
298 |
168 |
340 |
42 |
0 |
| OW |
63 |
240 |
217 |
238 |
93 |
45 |
17 |
0 |
| VODI |
0 |
99 |
144 |
291 |
202 |
77 |
19 |
0 |
| ODI |
0 |
34 |
43 |
197 |
235 |
105 |
31 |
0 |
| CDI |
0 |
10 |
18 |
107 |
298 |
249 |
63 |
0 |
| VCDI |
0 |
0 |
11 |
74 |
604 |
4481 |
8583 |
1186 |
|
Date: 2022-12-24:
| 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 |
65308 |
19004 |
5239 |
265 |
162 |
376 |
23 |
0 |
| OW |
57 |
335 |
276 |
241 |
110 |
38 |
20 |
0 |
| VODI |
0 |
134 |
117 |
285 |
232 |
73 |
13 |
0 |
| ODI |
0 |
35 |
36 |
153 |
223 |
106 |
22 |
0 |
| CDI |
0 |
26 |
17 |
87 |
290 |
283 |
43 |
0 |
| VCDI |
0 |
3 |
32 |
90 |
473 |
4052 |
8002 |
2819 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65309 |
19082 |
5240 |
252 |
166 |
379 |
26 |
0 |
| OW |
56 |
274 |
278 |
255 |
84 |
30 |
15 |
0 |
| VODI |
0 |
113 |
115 |
290 |
256 |
76 |
15 |
0 |
| ODI |
0 |
41 |
33 |
149 |
238 |
126 |
21 |
0 |
| CDI |
0 |
24 |
18 |
86 |
274 |
271 |
40 |
0 |
| VCDI |
0 |
3 |
33 |
89 |
472 |
4046 |
8006 |
2819 |
|
Date: 2022-12-26:
| 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 |
67108 |
19260 |
3433 |
258 |
120 |
342 |
23 |
0 |
| OW |
63 |
238 |
261 |
190 |
86 |
55 |
15 |
0 |
| VODI |
0 |
94 |
141 |
271 |
201 |
56 |
27 |
0 |
| ODI |
0 |
48 |
34 |
143 |
265 |
144 |
15 |
0 |
| CDI |
0 |
21 |
20 |
71 |
257 |
367 |
61 |
0 |
| VCDI |
0 |
5 |
22 |
85 |
273 |
3181 |
8183 |
3663 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67101 |
19008 |
3278 |
221 |
150 |
395 |
39 |
0 |
| OW |
70 |
381 |
279 |
151 |
66 |
27 |
23 |
0 |
| VODI |
0 |
153 |
223 |
239 |
159 |
73 |
15 |
0 |
| ODI |
0 |
58 |
69 |
179 |
213 |
86 |
18 |
0 |
| CDI |
0 |
45 |
28 |
126 |
239 |
232 |
42 |
0 |
| VCDI |
0 |
21 |
34 |
102 |
375 |
3332 |
8187 |
3663 |
|
Date: 2022-12-28:
| 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 |
62310 |
23575 |
3535 |
301 |
136 |
358 |
30 |
0 |
| OW |
73 |
490 |
194 |
147 |
56 |
81 |
11 |
0 |
| VODI |
2 |
198 |
174 |
237 |
135 |
49 |
15 |
0 |
| ODI |
0 |
78 |
68 |
153 |
221 |
99 |
9 |
0 |
| CDI |
0 |
43 |
37 |
102 |
238 |
282 |
37 |
0 |
| VCDI |
0 |
40 |
60 |
122 |
576 |
3873 |
8224 |
2731 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62309 |
23229 |
3482 |
248 |
136 |
465 |
48 |
0 |
| OW |
74 |
574 |
125 |
130 |
49 |
40 |
13 |
0 |
| VODI |
2 |
351 |
213 |
173 |
109 |
62 |
13 |
0 |
| ODI |
0 |
105 |
93 |
182 |
149 |
55 |
5 |
0 |
| CDI |
0 |
79 |
60 |
151 |
206 |
187 |
25 |
0 |
| VCDI |
0 |
86 |
95 |
178 |
713 |
3933 |
8222 |
2731 |
|
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 |
64976 |
20460 |
3507 |
311 |
170 |
343 |
59 |
0 |
| OW |
110 |
673 |
127 |
102 |
59 |
90 |
17 |
0 |
| VODI |
3 |
368 |
164 |
216 |
111 |
89 |
15 |
0 |
| ODI |
0 |
135 |
88 |
179 |
181 |
97 |
6 |
0 |
| CDI |
0 |
53 |
52 |
172 |
252 |
247 |
17 |
0 |
| VCDI |
0 |
31 |
79 |
228 |
862 |
3294 |
10778 |
379 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64892 |
20045 |
3487 |
297 |
173 |
438 |
75 |
0 |
| OW |
161 |
518 |
73 |
93 |
72 |
92 |
17 |
0 |
| VODI |
36 |
486 |
102 |
126 |
105 |
113 |
3 |
0 |
| ODI |
0 |
290 |
112 |
116 |
108 |
53 |
10 |
0 |
| CDI |
0 |
215 |
74 |
166 |
175 |
148 |
26 |
0 |
| VCDI |
0 |
166 |
169 |
410 |
1002 |
3316 |
10761 |
379 |
|
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