Validation of sea ice concentration - Full domain
Bulletin date: 2024-09-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-20:
| 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 |
122651 |
13792 |
269 |
251 |
8 |
0 |
0 |
0 |
| OW |
2588 |
1517 |
501 |
955 |
323 |
23 |
0 |
0 |
| VODI |
1306 |
344 |
183 |
1134 |
1174 |
499 |
6 |
0 |
| ODI |
0 |
36 |
37 |
291 |
1710 |
1914 |
116 |
0 |
| CDI |
0 |
14 |
6 |
45 |
495 |
6201 |
2258 |
0 |
| VCDI |
0 |
2 |
0 |
1 |
22 |
5531 |
13400 |
1207 |
|
...date precedes bulletin
|
Date: 2024-09-22:
| 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 |
122562 |
13220 |
301 |
339 |
53 |
0 |
0 |
0 |
| OW |
2521 |
1524 |
425 |
940 |
513 |
18 |
0 |
0 |
| VODI |
1389 |
256 |
191 |
895 |
1413 |
558 |
14 |
0 |
| ODI |
0 |
35 |
16 |
180 |
1301 |
1837 |
85 |
0 |
| CDI |
0 |
20 |
10 |
46 |
228 |
5453 |
1704 |
0 |
| VCDI |
0 |
6 |
0 |
6 |
32 |
3794 |
16084 |
2841 |
|
...date precedes bulletin
|
Date: 2024-09-24:
| 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 |
122389 |
13678 |
203 |
132 |
9 |
0 |
0 |
0 |
| OW |
2297 |
1379 |
418 |
494 |
108 |
1 |
0 |
0 |
| VODI |
1544 |
197 |
220 |
1246 |
700 |
106 |
0 |
0 |
| ODI |
0 |
24 |
22 |
228 |
1321 |
855 |
4 |
0 |
| CDI |
2 |
7 |
6 |
33 |
307 |
4390 |
2386 |
0 |
| VCDI |
0 |
12 |
3 |
9 |
30 |
2247 |
22093 |
1710 |
|
...date precedes bulletin
|
Date: 2024-09-26:
| 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 |
123256 |
12629 |
134 |
137 |
65 |
0 |
0 |
0 |
| OW |
2281 |
1321 |
397 |
461 |
153 |
21 |
0 |
0 |
| VODI |
1594 |
258 |
224 |
1061 |
636 |
127 |
0 |
0 |
| ODI |
0 |
31 |
30 |
331 |
1017 |
769 |
16 |
0 |
| CDI |
3 |
10 |
9 |
49 |
475 |
4050 |
1136 |
0 |
| VCDI |
0 |
9 |
4 |
14 |
61 |
4417 |
18937 |
4687 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123260 |
12666 |
182 |
201 |
53 |
0 |
0 |
0 |
| OW |
2277 |
1274 |
373 |
427 |
188 |
18 |
0 |
0 |
| VODI |
1594 |
260 |
199 |
983 |
580 |
139 |
0 |
0 |
| ODI |
0 |
39 |
30 |
380 |
1026 |
651 |
9 |
0 |
| CDI |
3 |
11 |
9 |
48 |
504 |
4270 |
1273 |
0 |
| VCDI |
0 |
8 |
5 |
14 |
56 |
4306 |
18807 |
4687 |
|
Date: 2024-09-28:
| 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 |
122414 |
13142 |
161 |
156 |
81 |
1 |
0 |
0 |
| OW |
2260 |
1126 |
357 |
731 |
215 |
18 |
0 |
0 |
| VODI |
1618 |
320 |
173 |
669 |
895 |
300 |
0 |
0 |
| ODI |
1 |
71 |
56 |
280 |
827 |
818 |
29 |
0 |
| CDI |
0 |
13 |
12 |
118 |
696 |
3172 |
1121 |
0 |
| VCDI |
0 |
7 |
0 |
7 |
97 |
5343 |
18811 |
4694 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122430 |
13197 |
212 |
282 |
81 |
1 |
0 |
0 |
| OW |
2244 |
1041 |
307 |
601 |
259 |
19 |
0 |
0 |
| VODI |
1618 |
329 |
170 |
641 |
816 |
245 |
1 |
0 |
| ODI |
1 |
90 |
56 |
320 |
811 |
789 |
30 |
0 |
| CDI |
0 |
14 |
13 |
107 |
749 |
3329 |
1291 |
0 |
| VCDI |
0 |
8 |
1 |
10 |
95 |
5269 |
18639 |
4694 |
|
Date: 2024-09-30:
| 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 |
122220 |
13103 |
106 |
72 |
10 |
0 |
0 |
0 |
| OW |
2162 |
1262 |
350 |
351 |
70 |
10 |
0 |
0 |
| VODI |
1696 |
192 |
244 |
1136 |
426 |
72 |
1 |
0 |
| ODI |
0 |
11 |
32 |
305 |
1086 |
573 |
42 |
0 |
| CDI |
0 |
7 |
4 |
57 |
415 |
2512 |
468 |
0 |
| VCDI |
0 |
4 |
0 |
6 |
86 |
3476 |
24889 |
3354 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122267 |
12490 |
173 |
196 |
81 |
13 |
0 |
0 |
| OW |
2241 |
1476 |
283 |
477 |
185 |
135 |
0 |
0 |
| VODI |
1570 |
444 |
157 |
859 |
546 |
330 |
30 |
0 |
| ODI |
0 |
121 |
78 |
241 |
794 |
675 |
97 |
0 |
| CDI |
0 |
42 |
39 |
117 |
319 |
1983 |
1846 |
0 |
| VCDI |
0 |
6 |
6 |
37 |
168 |
3507 |
23427 |
3354 |
|
Date: 2024-10-02:
| 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 |
121561 |
13344 |
141 |
131 |
38 |
0 |
0 |
0 |
| OW |
2199 |
1274 |
334 |
414 |
172 |
24 |
0 |
0 |
| VODI |
1630 |
208 |
231 |
917 |
412 |
197 |
0 |
0 |
| ODI |
0 |
9 |
21 |
293 |
786 |
555 |
35 |
0 |
| CDI |
0 |
8 |
0 |
27 |
444 |
2091 |
396 |
0 |
| VCDI |
0 |
6 |
1 |
13 |
85 |
5300 |
24159 |
3354 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121544 |
12380 |
162 |
201 |
110 |
9 |
0 |
0 |
| OW |
2236 |
1776 |
262 |
433 |
228 |
233 |
7 |
0 |
| VODI |
1610 |
567 |
213 |
744 |
468 |
473 |
72 |
0 |
| ODI |
0 |
91 |
70 |
305 |
642 |
660 |
136 |
0 |
| CDI |
0 |
26 |
18 |
68 |
322 |
2269 |
1078 |
0 |
| VCDI |
0 |
9 |
3 |
44 |
167 |
4523 |
23297 |
3354 |
|
Date: 2024-10-04:
| 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 |
119746 |
14232 |
280 |
192 |
39 |
1 |
0 |
0 |
| OW |
2199 |
1192 |
324 |
712 |
207 |
41 |
0 |
0 |
| VODI |
1648 |
226 |
211 |
820 |
610 |
234 |
3 |
0 |
| ODI |
0 |
14 |
27 |
309 |
642 |
597 |
129 |
0 |
| CDI |
0 |
21 |
3 |
62 |
444 |
1657 |
947 |
0 |
| VCDI |
0 |
7 |
2 |
28 |
146 |
4249 |
21998 |
6611 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119725 |
13438 |
293 |
301 |
99 |
24 |
0 |
0 |
| OW |
2228 |
1608 |
286 |
700 |
304 |
157 |
0 |
0 |
| VODI |
1640 |
501 |
188 |
682 |
650 |
497 |
85 |
0 |
| ODI |
0 |
85 |
63 |
267 |
515 |
714 |
225 |
0 |
| CDI |
0 |
17 |
10 |
114 |
331 |
1476 |
1398 |
0 |
| VCDI |
0 |
43 |
7 |
59 |
189 |
3911 |
21369 |
6611 |
|
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