Validation of sea ice concentration - European sector
Bulletin date: 2023-03-30
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-03-24:
| 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 |
57701 |
22684 |
3182 |
647 |
236 |
87 |
13 |
0 |
| OW |
54 |
285 |
166 |
330 |
234 |
122 |
13 |
0 |
| VODI |
0 |
164 |
96 |
246 |
296 |
217 |
43 |
0 |
| ODI |
0 |
64 |
42 |
123 |
235 |
267 |
88 |
0 |
| CDI |
0 |
28 |
16 |
89 |
308 |
458 |
313 |
0 |
| VCDI |
0 |
1 |
9 |
61 |
416 |
3207 |
10789 |
5770 |
|
...date precedes bulletin
|
Date: 2023-03-26:
| 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 |
60305 |
20746 |
2459 |
572 |
252 |
137 |
15 |
0 |
| OW |
56 |
311 |
172 |
289 |
219 |
127 |
32 |
0 |
| VODI |
0 |
139 |
87 |
265 |
279 |
198 |
84 |
0 |
| ODI |
0 |
59 |
31 |
117 |
257 |
281 |
133 |
0 |
| CDI |
0 |
24 |
17 |
86 |
299 |
591 |
558 |
0 |
| VCDI |
0 |
0 |
0 |
47 |
365 |
2517 |
11131 |
5843 |
|
...date precedes bulletin
|
Date: 2023-03-28:
| 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 |
59306 |
19610 |
4461 |
619 |
283 |
102 |
23 |
0 |
| OW |
62 |
213 |
211 |
341 |
219 |
91 |
25 |
0 |
| VODI |
0 |
96 |
71 |
271 |
350 |
192 |
75 |
0 |
| ODI |
0 |
21 |
14 |
113 |
265 |
306 |
111 |
0 |
| CDI |
0 |
12 |
5 |
48 |
241 |
760 |
426 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
284 |
2583 |
10849 |
6414 |
|
...date precedes bulletin
|
Date: 2023-03-30:
| 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 |
59425 |
20149 |
3729 |
640 |
325 |
138 |
44 |
0 |
| OW |
62 |
212 |
258 |
273 |
206 |
107 |
33 |
0 |
| VODI |
0 |
105 |
96 |
264 |
264 |
225 |
98 |
0 |
| ODI |
0 |
28 |
13 |
133 |
227 |
267 |
159 |
0 |
| CDI |
0 |
12 |
3 |
53 |
295 |
671 |
517 |
0 |
| VCDI |
0 |
6 |
3 |
31 |
306 |
2408 |
10473 |
6842 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59425 |
20211 |
3756 |
654 |
323 |
141 |
45 |
0 |
| OW |
62 |
174 |
228 |
263 |
204 |
102 |
28 |
0 |
| VODI |
0 |
87 |
92 |
260 |
275 |
236 |
100 |
0 |
| ODI |
0 |
24 |
21 |
122 |
233 |
276 |
165 |
0 |
| CDI |
0 |
10 |
2 |
66 |
285 |
650 |
500 |
0 |
| VCDI |
0 |
6 |
3 |
29 |
303 |
2411 |
10486 |
6842 |
|
Date: 2023-04-01:
| 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 |
60922 |
19228 |
3340 |
733 |
303 |
104 |
46 |
0 |
| OW |
62 |
239 |
209 |
320 |
174 |
88 |
39 |
0 |
| VODI |
0 |
138 |
121 |
232 |
258 |
163 |
137 |
0 |
| ODI |
0 |
37 |
43 |
154 |
252 |
256 |
202 |
0 |
| CDI |
0 |
6 |
5 |
100 |
296 |
503 |
534 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
472 |
1865 |
10144 |
7358 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60922 |
19272 |
3375 |
744 |
303 |
95 |
49 |
0 |
| OW |
62 |
216 |
169 |
305 |
160 |
99 |
31 |
0 |
| VODI |
0 |
125 |
123 |
234 |
279 |
158 |
149 |
0 |
| ODI |
0 |
31 |
46 |
158 |
243 |
251 |
209 |
0 |
| CDI |
0 |
4 |
5 |
100 |
305 |
512 |
511 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
465 |
1864 |
10153 |
7358 |
|
Date: 2023-04-03:
| 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 |
56251 |
23079 |
4220 |
693 |
181 |
58 |
5 |
0 |
| OW |
53 |
248 |
328 |
336 |
173 |
59 |
9 |
0 |
| VODI |
0 |
106 |
161 |
338 |
285 |
167 |
38 |
0 |
| ODI |
0 |
24 |
49 |
188 |
278 |
270 |
102 |
0 |
| CDI |
0 |
9 |
6 |
69 |
295 |
586 |
395 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
269 |
2209 |
11224 |
6311 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56251 |
23061 |
4288 |
871 |
292 |
98 |
18 |
0 |
| OW |
53 |
234 |
241 |
256 |
172 |
100 |
68 |
0 |
| VODI |
0 |
135 |
148 |
224 |
264 |
191 |
131 |
0 |
| ODI |
0 |
26 |
69 |
150 |
181 |
265 |
200 |
0 |
| CDI |
0 |
10 |
18 |
110 |
243 |
487 |
368 |
0 |
| VCDI |
0 |
0 |
0 |
41 |
329 |
2208 |
10988 |
6311 |
|
Date: 2023-04-05:
| 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 |
55065 |
22702 |
6183 |
600 |
184 |
90 |
24 |
0 |
| OW |
53 |
158 |
356 |
279 |
172 |
74 |
8 |
0 |
| VODI |
0 |
63 |
182 |
279 |
245 |
156 |
40 |
0 |
| ODI |
0 |
25 |
78 |
162 |
223 |
217 |
112 |
0 |
| CDI |
0 |
11 |
32 |
120 |
235 |
337 |
379 |
0 |
| VCDI |
0 |
5 |
41 |
95 |
408 |
2308 |
10165 |
7234 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55065 |
22661 |
6136 |
691 |
255 |
134 |
41 |
0 |
| OW |
53 |
168 |
347 |
227 |
150 |
96 |
71 |
0 |
| VODI |
0 |
78 |
207 |
228 |
236 |
188 |
145 |
0 |
| ODI |
0 |
33 |
91 |
142 |
184 |
197 |
202 |
0 |
| CDI |
0 |
18 |
45 |
134 |
226 |
270 |
335 |
0 |
| VCDI |
0 |
6 |
46 |
113 |
416 |
2297 |
9934 |
7234 |
|
Date: 2023-04-07:
| 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 |
60393 |
21014 |
2489 |
687 |
216 |
62 |
24 |
0 |
| OW |
52 |
190 |
265 |
319 |
173 |
78 |
31 |
0 |
| VODI |
0 |
74 |
188 |
284 |
285 |
161 |
74 |
0 |
| ODI |
0 |
32 |
77 |
151 |
255 |
205 |
150 |
0 |
| CDI |
0 |
33 |
25 |
128 |
267 |
429 |
387 |
0 |
| VCDI |
0 |
26 |
45 |
90 |
328 |
2889 |
10264 |
6260 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60393 |
20908 |
2451 |
781 |
292 |
97 |
56 |
0 |
| OW |
52 |
250 |
263 |
239 |
199 |
106 |
88 |
0 |
| VODI |
0 |
92 |
178 |
244 |
242 |
188 |
174 |
0 |
| ODI |
0 |
33 |
95 |
123 |
216 |
203 |
197 |
0 |
| CDI |
0 |
48 |
39 |
139 |
240 |
417 |
302 |
0 |
| VCDI |
0 |
38 |
63 |
133 |
335 |
2813 |
10113 |
6260 |
|
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