Validation of sea ice concentration - Full domain
Bulletin date: 2023-12-28
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-22:
| 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 |
76074 |
13006 |
396 |
484 |
224 |
218 |
260 |
0 |
| OW |
65 |
884 |
173 |
377 |
303 |
84 |
23 |
0 |
| VODI |
0 |
516 |
155 |
498 |
613 |
197 |
37 |
0 |
| ODI |
0 |
145 |
68 |
418 |
1065 |
397 |
47 |
0 |
| CDI |
0 |
89 |
45 |
186 |
970 |
1386 |
251 |
62 |
| VCDI |
0 |
60 |
61 |
329 |
898 |
8054 |
28363 |
49567 |
|
...date precedes bulletin
|
Date: 2023-12-24:
| 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 |
75928 |
12877 |
350 |
394 |
213 |
237 |
184 |
0 |
| OW |
91 |
750 |
176 |
349 |
330 |
78 |
30 |
0 |
| VODI |
1 |
479 |
161 |
408 |
599 |
275 |
25 |
0 |
| ODI |
0 |
187 |
62 |
362 |
920 |
516 |
53 |
0 |
| CDI |
0 |
123 |
34 |
228 |
952 |
1165 |
295 |
56 |
| VCDI |
0 |
130 |
84 |
257 |
710 |
7723 |
29420 |
49836 |
|
...date precedes bulletin
|
Date: 2023-12-26:
| 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 |
74056 |
15210 |
269 |
278 |
133 |
185 |
181 |
0 |
| OW |
68 |
728 |
181 |
286 |
139 |
31 |
17 |
0 |
| VODI |
1 |
338 |
176 |
579 |
422 |
101 |
17 |
0 |
| ODI |
2 |
133 |
80 |
340 |
828 |
297 |
37 |
0 |
| CDI |
0 |
69 |
68 |
213 |
853 |
1595 |
215 |
0 |
| VCDI |
0 |
35 |
38 |
158 |
950 |
7901 |
28816 |
51024 |
|
...date precedes bulletin
|
Date: 2023-12-28:
| 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 |
76322 |
12565 |
165 |
240 |
101 |
139 |
203 |
0 |
| OW |
74 |
984 |
155 |
212 |
115 |
26 |
28 |
0 |
| VODI |
0 |
553 |
171 |
402 |
353 |
162 |
22 |
0 |
| ODI |
0 |
168 |
96 |
348 |
691 |
346 |
29 |
0 |
| CDI |
0 |
130 |
62 |
155 |
743 |
1199 |
206 |
9 |
| VCDI |
0 |
146 |
88 |
290 |
1048 |
8057 |
29253 |
50992 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2023-12-30:
| 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 |
75117 |
12987 |
231 |
294 |
98 |
115 |
213 |
0 |
| OW |
74 |
1170 |
168 |
179 |
123 |
28 |
40 |
0 |
| VODI |
0 |
634 |
199 |
416 |
256 |
100 |
35 |
0 |
| ODI |
0 |
248 |
94 |
366 |
531 |
251 |
43 |
0 |
| CDI |
0 |
154 |
54 |
173 |
634 |
848 |
194 |
0 |
| VCDI |
0 |
196 |
104 |
399 |
1081 |
7723 |
27584 |
53894 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-01-01:
| 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 |
74321 |
13473 |
248 |
287 |
170 |
133 |
193 |
0 |
| OW |
75 |
994 |
88 |
197 |
116 |
25 |
35 |
0 |
| VODI |
4 |
736 |
169 |
350 |
249 |
104 |
42 |
0 |
| ODI |
2 |
300 |
116 |
224 |
337 |
239 |
51 |
0 |
| CDI |
1 |
162 |
71 |
248 |
602 |
671 |
147 |
9 |
| VCDI |
0 |
184 |
109 |
375 |
1209 |
7646 |
31492 |
50844 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-01-03:
| 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 |
74360 |
13207 |
186 |
196 |
130 |
108 |
205 |
0 |
| OW |
74 |
727 |
109 |
169 |
116 |
36 |
31 |
0 |
| VODI |
3 |
542 |
176 |
380 |
335 |
77 |
32 |
0 |
| ODI |
2 |
281 |
115 |
302 |
420 |
257 |
57 |
0 |
| CDI |
0 |
162 |
66 |
324 |
560 |
730 |
206 |
0 |
| VCDI |
0 |
155 |
116 |
420 |
1413 |
8279 |
36073 |
45911 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-01-05:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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