Validation of sea ice concentration - European sector
Bulletin date: 2023-01-19
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2023-01-15:
| 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 |
57598 |
22236 |
7095 |
567 |
84 |
71 |
37 |
0 |
| OW |
63 |
330 |
688 |
221 |
95 |
40 |
27 |
0 |
| VODI |
0 |
185 |
575 |
275 |
187 |
62 |
34 |
0 |
| ODI |
0 |
46 |
372 |
252 |
197 |
82 |
47 |
0 |
| CDI |
0 |
9 |
168 |
299 |
279 |
210 |
139 |
0 |
| VCDI |
0 |
4 |
145 |
542 |
1101 |
3422 |
10188 |
1128 |
|
...date precedes bulletin
|
Date: 2023-01-17:
| 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 |
55475 |
23578 |
7804 |
711 |
116 |
42 |
22 |
0 |
| OW |
63 |
339 |
425 |
360 |
66 |
24 |
8 |
0 |
| VODI |
0 |
183 |
301 |
496 |
253 |
73 |
18 |
0 |
| ODI |
0 |
66 |
146 |
297 |
281 |
132 |
16 |
0 |
| CDI |
0 |
24 |
120 |
251 |
338 |
255 |
53 |
0 |
| VCDI |
0 |
4 |
91 |
389 |
1063 |
3548 |
9270 |
2399 |
|
...date precedes bulletin
|
Date: 2023-01-19:
| 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 |
54236 |
24983 |
8286 |
206 |
50 |
34 |
20 |
0 |
| OW |
64 |
475 |
359 |
223 |
83 |
14 |
9 |
0 |
| VODI |
0 |
293 |
267 |
401 |
188 |
71 |
5 |
0 |
| ODI |
0 |
118 |
148 |
283 |
215 |
120 |
8 |
0 |
| CDI |
0 |
47 |
104 |
269 |
259 |
167 |
26 |
0 |
| VCDI |
0 |
40 |
107 |
410 |
1166 |
2975 |
8758 |
3613 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54237 |
25005 |
8307 |
215 |
54 |
35 |
20 |
0 |
| OW |
63 |
423 |
310 |
197 |
76 |
13 |
10 |
0 |
| VODI |
0 |
311 |
273 |
363 |
168 |
82 |
4 |
0 |
| ODI |
0 |
133 |
154 |
319 |
217 |
110 |
11 |
0 |
| CDI |
0 |
46 |
113 |
270 |
274 |
170 |
24 |
0 |
| VCDI |
0 |
38 |
114 |
428 |
1172 |
2971 |
8757 |
3613 |
|
Date: 2023-01-21:
| 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 |
58786 |
24326 |
4094 |
324 |
94 |
40 |
13 |
0 |
| OW |
75 |
509 |
310 |
273 |
113 |
44 |
14 |
0 |
| VODI |
0 |
360 |
241 |
355 |
252 |
107 |
13 |
0 |
| ODI |
0 |
154 |
102 |
292 |
240 |
130 |
15 |
0 |
| CDI |
0 |
98 |
56 |
252 |
225 |
186 |
61 |
0 |
| VCDI |
0 |
128 |
177 |
392 |
798 |
2500 |
9686 |
3265 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58785 |
24345 |
4082 |
343 |
113 |
45 |
8 |
0 |
| OW |
76 |
447 |
299 |
253 |
99 |
57 |
24 |
0 |
| VODI |
0 |
368 |
240 |
318 |
205 |
96 |
10 |
0 |
| ODI |
0 |
169 |
123 |
294 |
253 |
118 |
15 |
0 |
| CDI |
0 |
114 |
59 |
278 |
235 |
169 |
73 |
0 |
| VCDI |
0 |
132 |
177 |
402 |
817 |
2522 |
9672 |
3265 |
|
Date: 2023-01-23:
| 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 |
57190 |
23817 |
6361 |
439 |
93 |
16 |
0 |
0 |
| OW |
74 |
248 |
345 |
338 |
96 |
23 |
0 |
0 |
| VODI |
0 |
138 |
243 |
679 |
418 |
58 |
3 |
0 |
| ODI |
0 |
90 |
126 |
281 |
453 |
137 |
0 |
0 |
| CDI |
0 |
59 |
137 |
245 |
353 |
343 |
60 |
0 |
| VCDI |
0 |
27 |
79 |
297 |
710 |
3964 |
7888 |
3272 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57188 |
23315 |
6001 |
473 |
136 |
39 |
0 |
0 |
| OW |
76 |
400 |
328 |
213 |
138 |
48 |
3 |
0 |
| VODI |
0 |
253 |
350 |
496 |
320 |
118 |
0 |
0 |
| ODI |
0 |
197 |
171 |
289 |
302 |
120 |
9 |
0 |
| CDI |
0 |
131 |
154 |
261 |
240 |
211 |
98 |
0 |
| VCDI |
0 |
83 |
287 |
547 |
987 |
4005 |
7841 |
3272 |
|
Date: 2023-01-25:
| 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 |
55633 |
22566 |
8636 |
830 |
105 |
23 |
1 |
0 |
| OW |
73 |
195 |
249 |
315 |
149 |
23 |
4 |
0 |
| VODI |
0 |
138 |
229 |
465 |
345 |
60 |
14 |
0 |
| ODI |
0 |
102 |
99 |
259 |
395 |
117 |
24 |
0 |
| CDI |
0 |
56 |
117 |
238 |
466 |
316 |
168 |
0 |
| VCDI |
0 |
18 |
60 |
387 |
837 |
3974 |
10140 |
1274 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55628 |
21993 |
8270 |
620 |
133 |
43 |
4 |
0 |
| OW |
78 |
413 |
265 |
182 |
100 |
68 |
21 |
0 |
| VODI |
0 |
297 |
302 |
430 |
199 |
91 |
27 |
0 |
| ODI |
0 |
181 |
193 |
371 |
392 |
79 |
54 |
0 |
| CDI |
0 |
99 |
184 |
255 |
373 |
235 |
144 |
0 |
| VCDI |
0 |
92 |
176 |
636 |
1100 |
3997 |
10101 |
1274 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55108 |
25062 |
5134 |
855 |
150 |
61 |
12 |
0 |
| OW |
51 |
341 |
246 |
188 |
82 |
65 |
39 |
0 |
| VODI |
0 |
264 |
163 |
310 |
174 |
59 |
58 |
0 |
| ODI |
0 |
210 |
99 |
218 |
291 |
96 |
76 |
0 |
| CDI |
0 |
136 |
86 |
213 |
535 |
323 |
110 |
0 |
| VCDI |
0 |
54 |
162 |
594 |
1258 |
3919 |
9475 |
2823 |
|
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