Validation of sea ice concentration - Full domain
Bulletin date: 2024-01-18
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-12:
| 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 |
70717 |
15283 |
354 |
482 |
228 |
91 |
92 |
0 |
| OW |
60 |
513 |
126 |
192 |
184 |
74 |
10 |
0 |
| VODI |
0 |
208 |
135 |
224 |
257 |
184 |
42 |
0 |
| ODI |
0 |
56 |
49 |
230 |
257 |
243 |
49 |
0 |
| CDI |
0 |
20 |
22 |
180 |
542 |
648 |
157 |
6 |
| VCDI |
0 |
14 |
24 |
153 |
1191 |
6176 |
36468 |
51107 |
|
...date precedes bulletin
|
Date: 2024-01-14:
| 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 |
68116 |
16935 |
634 |
494 |
254 |
96 |
91 |
0 |
| OW |
63 |
730 |
148 |
267 |
128 |
70 |
18 |
0 |
| VODI |
0 |
300 |
111 |
251 |
202 |
197 |
47 |
0 |
| ODI |
0 |
106 |
87 |
173 |
242 |
202 |
82 |
0 |
| CDI |
0 |
45 |
57 |
236 |
611 |
610 |
165 |
3 |
| VCDI |
0 |
44 |
48 |
411 |
1549 |
8335 |
34595 |
50295 |
|
...date precedes bulletin
|
Date: 2024-01-16:
| 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 |
69471 |
16064 |
463 |
512 |
257 |
156 |
28 |
0 |
| OW |
61 |
452 |
179 |
304 |
177 |
46 |
1 |
0 |
| VODI |
0 |
225 |
84 |
335 |
296 |
157 |
13 |
0 |
| ODI |
0 |
106 |
45 |
206 |
338 |
203 |
52 |
0 |
| CDI |
0 |
72 |
49 |
175 |
517 |
838 |
120 |
8 |
| VCDI |
0 |
32 |
63 |
426 |
1250 |
8322 |
33980 |
50965 |
|
...date precedes bulletin
|
Date: 2024-01-18:
| 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 |
70804 |
14565 |
317 |
397 |
226 |
138 |
41 |
0 |
| OW |
61 |
711 |
135 |
211 |
103 |
50 |
7 |
0 |
| VODI |
0 |
397 |
127 |
271 |
201 |
107 |
32 |
0 |
| ODI |
0 |
182 |
68 |
196 |
233 |
155 |
48 |
0 |
| CDI |
0 |
167 |
56 |
170 |
426 |
552 |
166 |
0 |
| VCDI |
0 |
150 |
105 |
400 |
1527 |
7902 |
35233 |
50411 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70804 |
14551 |
323 |
437 |
241 |
145 |
42 |
0 |
| OW |
61 |
719 |
139 |
172 |
98 |
39 |
6 |
0 |
| VODI |
0 |
402 |
129 |
296 |
187 |
116 |
34 |
0 |
| ODI |
0 |
174 |
56 |
181 |
268 |
159 |
44 |
0 |
| CDI |
0 |
160 |
55 |
166 |
440 |
541 |
178 |
0 |
| VCDI |
0 |
166 |
106 |
393 |
1482 |
7904 |
35223 |
50411 |
|
Date: 2024-01-20:
| 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 |
69086 |
16166 |
351 |
374 |
207 |
142 |
54 |
0 |
| OW |
61 |
593 |
130 |
266 |
107 |
70 |
15 |
0 |
| VODI |
0 |
352 |
94 |
316 |
183 |
117 |
18 |
0 |
| ODI |
0 |
166 |
73 |
135 |
242 |
189 |
74 |
0 |
| CDI |
0 |
131 |
39 |
157 |
353 |
641 |
292 |
16 |
| VCDI |
0 |
274 |
83 |
278 |
926 |
6340 |
38269 |
49668 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69086 |
16175 |
359 |
415 |
222 |
158 |
55 |
0 |
| OW |
61 |
564 |
132 |
253 |
104 |
60 |
16 |
0 |
| VODI |
0 |
345 |
75 |
283 |
188 |
114 |
20 |
0 |
| ODI |
0 |
163 |
83 |
156 |
229 |
190 |
69 |
0 |
| CDI |
0 |
122 |
36 |
149 |
359 |
622 |
284 |
20 |
| VCDI |
0 |
313 |
85 |
270 |
916 |
6355 |
38278 |
49664 |
|
Date: 2024-01-22:
| 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 |
69731 |
15236 |
353 |
420 |
209 |
192 |
61 |
0 |
| OW |
61 |
614 |
170 |
321 |
160 |
60 |
14 |
0 |
| VODI |
0 |
226 |
104 |
372 |
320 |
146 |
40 |
0 |
| ODI |
0 |
118 |
28 |
179 |
319 |
207 |
75 |
0 |
| CDI |
0 |
116 |
33 |
110 |
308 |
937 |
307 |
0 |
| VCDI |
0 |
85 |
55 |
201 |
497 |
4596 |
34779 |
55288 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69731 |
14775 |
381 |
476 |
274 |
259 |
84 |
0 |
| OW |
61 |
547 |
138 |
295 |
146 |
96 |
45 |
0 |
| VODI |
0 |
321 |
62 |
310 |
304 |
133 |
81 |
0 |
| ODI |
0 |
180 |
43 |
145 |
209 |
207 |
76 |
0 |
| CDI |
0 |
157 |
25 |
90 |
207 |
619 |
289 |
0 |
| VCDI |
0 |
415 |
94 |
287 |
673 |
4824 |
34701 |
55288 |
|
Date: 2024-01-24:
| 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 |
65738 |
18543 |
652 |
440 |
217 |
158 |
47 |
0 |
| OW |
61 |
610 |
129 |
294 |
136 |
48 |
6 |
0 |
| VODI |
0 |
379 |
106 |
332 |
355 |
95 |
31 |
0 |
| ODI |
0 |
198 |
43 |
145 |
357 |
215 |
42 |
0 |
| CDI |
0 |
149 |
39 |
155 |
404 |
507 |
208 |
7 |
| VCDI |
0 |
84 |
59 |
187 |
679 |
4791 |
31513 |
58889 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65738 |
18111 |
621 |
420 |
282 |
221 |
62 |
0 |
| OW |
61 |
594 |
122 |
269 |
108 |
85 |
31 |
0 |
| VODI |
0 |
451 |
113 |
287 |
350 |
142 |
37 |
0 |
| ODI |
0 |
225 |
42 |
143 |
366 |
243 |
31 |
0 |
| CDI |
0 |
194 |
46 |
144 |
346 |
463 |
209 |
60 |
| VCDI |
0 |
388 |
84 |
290 |
696 |
4660 |
31477 |
58836 |
|
Date: 2024-01-26:
| 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 |
67493 |
16881 |
409 |
541 |
187 |
114 |
62 |
0 |
| OW |
61 |
620 |
98 |
322 |
158 |
47 |
18 |
0 |
| VODI |
0 |
394 |
91 |
270 |
382 |
148 |
20 |
0 |
| ODI |
0 |
257 |
45 |
161 |
353 |
198 |
64 |
0 |
| CDI |
0 |
240 |
59 |
117 |
411 |
468 |
178 |
5 |
| VCDI |
0 |
252 |
112 |
332 |
679 |
6015 |
35145 |
53641 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67493 |
16385 |
370 |
573 |
270 |
177 |
73 |
0 |
| OW |
61 |
629 |
100 |
260 |
172 |
91 |
41 |
0 |
| VODI |
0 |
443 |
104 |
232 |
325 |
129 |
56 |
0 |
| ODI |
0 |
253 |
50 |
198 |
334 |
227 |
67 |
0 |
| CDI |
0 |
289 |
21 |
93 |
324 |
509 |
155 |
9 |
| VCDI |
0 |
645 |
169 |
387 |
745 |
5857 |
35095 |
53637 |
|
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