Validation of sea ice concentration - European sector
Bulletin date: 2023-05-18
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-12:
| 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 |
71023 |
14930 |
363 |
487 |
211 |
90 |
26 |
0 |
| OW |
64 |
306 |
139 |
292 |
200 |
68 |
9 |
0 |
| VODI |
0 |
82 |
75 |
396 |
401 |
196 |
29 |
0 |
| ODI |
0 |
17 |
14 |
165 |
600 |
329 |
86 |
0 |
| CDI |
0 |
2 |
2 |
69 |
970 |
1629 |
688 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
221 |
3175 |
7499 |
4239 |
|
...date precedes bulletin
|
Date: 2023-05-14:
| 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 |
70208 |
15550 |
408 |
648 |
251 |
95 |
33 |
0 |
| OW |
60 |
271 |
128 |
323 |
254 |
82 |
13 |
0 |
| VODI |
0 |
74 |
82 |
358 |
460 |
189 |
47 |
0 |
| ODI |
0 |
16 |
15 |
195 |
370 |
328 |
166 |
0 |
| CDI |
0 |
25 |
2 |
73 |
695 |
1501 |
913 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
330 |
2990 |
6997 |
4942 |
|
...date precedes bulletin
|
Date: 2023-05-16:
| 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 |
70375 |
15899 |
422 |
525 |
201 |
63 |
25 |
0 |
| OW |
55 |
182 |
167 |
345 |
212 |
26 |
17 |
0 |
| VODI |
0 |
23 |
55 |
404 |
513 |
142 |
36 |
0 |
| ODI |
0 |
2 |
6 |
121 |
577 |
303 |
78 |
0 |
| CDI |
0 |
1 |
1 |
63 |
898 |
1927 |
562 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
149 |
1943 |
7830 |
4940 |
|
...date precedes bulletin
|
Date: 2023-05-18:
| 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 |
70926 |
15387 |
457 |
583 |
266 |
89 |
31 |
0 |
| OW |
59 |
126 |
121 |
399 |
281 |
59 |
25 |
0 |
| VODI |
0 |
23 |
38 |
307 |
485 |
176 |
79 |
0 |
| ODI |
0 |
2 |
8 |
105 |
476 |
296 |
130 |
0 |
| CDI |
0 |
1 |
2 |
72 |
712 |
2446 |
885 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
254 |
1964 |
7859 |
3955 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70926 |
15392 |
468 |
642 |
296 |
103 |
35 |
0 |
| OW |
59 |
115 |
112 |
386 |
285 |
55 |
23 |
0 |
| VODI |
0 |
27 |
35 |
255 |
476 |
168 |
70 |
0 |
| ODI |
0 |
4 |
7 |
103 |
444 |
304 |
138 |
0 |
| CDI |
0 |
1 |
4 |
66 |
686 |
2248 |
833 |
0 |
| VCDI |
0 |
0 |
0 |
30 |
287 |
2152 |
7910 |
3955 |
|
Date: 2023-05-20:
| 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 |
70155 |
16065 |
513 |
715 |
335 |
86 |
74 |
0 |
| OW |
59 |
132 |
116 |
420 |
336 |
97 |
58 |
0 |
| VODI |
0 |
51 |
47 |
244 |
472 |
141 |
110 |
0 |
| ODI |
0 |
8 |
10 |
112 |
501 |
268 |
137 |
0 |
| CDI |
0 |
1 |
3 |
100 |
1147 |
2082 |
819 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
344 |
2333 |
6569 |
4425 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70155 |
16065 |
529 |
822 |
435 |
111 |
87 |
0 |
| OW |
59 |
134 |
99 |
327 |
279 |
71 |
53 |
0 |
| VODI |
0 |
41 |
45 |
240 |
457 |
150 |
99 |
0 |
| ODI |
0 |
15 |
13 |
103 |
490 |
254 |
146 |
0 |
| CDI |
0 |
2 |
2 |
86 |
1034 |
1939 |
859 |
0 |
| VCDI |
0 |
0 |
1 |
28 |
440 |
2482 |
6523 |
4425 |
|
Date: 2023-05-22:
| 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 |
70981 |
15278 |
461 |
719 |
339 |
100 |
47 |
0 |
| OW |
55 |
227 |
136 |
412 |
277 |
57 |
34 |
0 |
| VODI |
0 |
44 |
58 |
386 |
520 |
122 |
53 |
0 |
| ODI |
0 |
2 |
8 |
185 |
896 |
421 |
69 |
0 |
| CDI |
0 |
0 |
0 |
100 |
1275 |
2661 |
820 |
0 |
| VCDI |
0 |
0 |
2 |
13 |
239 |
1419 |
8482 |
2202 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70981 |
15287 |
497 |
976 |
590 |
166 |
96 |
0 |
| OW |
55 |
156 |
79 |
288 |
266 |
85 |
57 |
0 |
| VODI |
0 |
82 |
50 |
181 |
404 |
157 |
96 |
0 |
| ODI |
0 |
26 |
29 |
121 |
440 |
317 |
150 |
0 |
| CDI |
0 |
0 |
8 |
190 |
1090 |
1655 |
1101 |
0 |
| VCDI |
0 |
0 |
2 |
59 |
756 |
2400 |
8005 |
2202 |
|
Date: 2023-05-24:
| 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 |
70540 |
15855 |
525 |
992 |
397 |
121 |
38 |
0 |
| OW |
53 |
132 |
114 |
459 |
290 |
60 |
22 |
0 |
| VODI |
0 |
25 |
58 |
361 |
532 |
106 |
38 |
0 |
| ODI |
0 |
1 |
23 |
217 |
847 |
308 |
91 |
0 |
| CDI |
0 |
0 |
4 |
222 |
1314 |
2544 |
960 |
0 |
| VCDI |
0 |
0 |
9 |
116 |
189 |
1826 |
8234 |
1477 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70539 |
15706 |
527 |
1144 |
646 |
181 |
63 |
0 |
| OW |
54 |
165 |
76 |
274 |
275 |
96 |
41 |
0 |
| VODI |
0 |
98 |
48 |
261 |
366 |
159 |
106 |
0 |
| ODI |
0 |
41 |
44 |
165 |
451 |
291 |
246 |
0 |
| CDI |
0 |
3 |
26 |
259 |
1183 |
1522 |
943 |
0 |
| VCDI |
0 |
0 |
12 |
264 |
648 |
2716 |
7984 |
1477 |
|
Date: 2023-05-26:
| 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 |
72145 |
14483 |
547 |
1036 |
410 |
126 |
30 |
0 |
| OW |
59 |
175 |
104 |
386 |
293 |
56 |
32 |
0 |
| VODI |
0 |
88 |
58 |
338 |
472 |
117 |
49 |
0 |
| ODI |
0 |
69 |
28 |
211 |
696 |
376 |
131 |
0 |
| CDI |
0 |
63 |
22 |
207 |
1096 |
2186 |
1212 |
0 |
| VCDI |
0 |
71 |
29 |
106 |
232 |
2094 |
7474 |
1793 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72144 |
14237 |
510 |
1112 |
619 |
198 |
80 |
0 |
| OW |
60 |
210 |
95 |
265 |
230 |
73 |
47 |
0 |
| VODI |
0 |
134 |
68 |
303 |
348 |
158 |
138 |
0 |
| ODI |
0 |
112 |
28 |
169 |
547 |
347 |
317 |
0 |
| CDI |
0 |
139 |
47 |
243 |
998 |
1756 |
819 |
0 |
| VCDI |
0 |
117 |
40 |
192 |
457 |
2423 |
7527 |
1793 |
|
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