Validation of sea ice concentration - American sector
Bulletin date: 2024-10-17
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-11:
| 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 |
34582 |
5810 |
232 |
103 |
0 |
0 |
0 |
0 |
| OW |
23 |
341 |
246 |
879 |
122 |
0 |
0 |
0 |
| VODI |
5 |
34 |
25 |
447 |
759 |
82 |
0 |
0 |
| ODI |
2 |
13 |
1 |
65 |
647 |
510 |
15 |
0 |
| CDI |
7 |
24 |
4 |
9 |
201 |
1595 |
847 |
0 |
| VCDI |
1 |
24 |
2 |
33 |
180 |
1903 |
5827 |
5631 |
|
...date precedes bulletin
|
Date: 2024-10-13:
| 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 |
34118 |
5215 |
241 |
327 |
2 |
0 |
0 |
0 |
| OW |
41 |
402 |
185 |
668 |
288 |
0 |
0 |
0 |
| VODI |
0 |
61 |
41 |
302 |
717 |
321 |
0 |
0 |
| ODI |
0 |
13 |
4 |
94 |
335 |
750 |
29 |
0 |
| CDI |
0 |
20 |
0 |
11 |
147 |
1248 |
1097 |
0 |
| VCDI |
0 |
5 |
0 |
22 |
124 |
1790 |
7188 |
5425 |
|
...date precedes bulletin
|
Date: 2024-10-15:
| 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 |
33071 |
5641 |
247 |
195 |
0 |
0 |
0 |
0 |
| OW |
8 |
255 |
197 |
575 |
36 |
0 |
0 |
0 |
| VODI |
1 |
33 |
26 |
619 |
401 |
16 |
0 |
0 |
| ODI |
1 |
16 |
3 |
132 |
692 |
185 |
18 |
0 |
| CDI |
9 |
17 |
5 |
28 |
359 |
1727 |
430 |
0 |
| VCDI |
0 |
19 |
4 |
31 |
96 |
2916 |
7433 |
5789 |
|
...date precedes bulletin
|
Date: 2024-10-17:
| 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 |
32289 |
5328 |
241 |
307 |
9 |
0 |
0 |
0 |
| OW |
15 |
378 |
145 |
493 |
159 |
0 |
0 |
0 |
| VODI |
0 |
26 |
33 |
559 |
468 |
39 |
0 |
0 |
| ODI |
0 |
7 |
0 |
115 |
615 |
300 |
0 |
0 |
| CDI |
1 |
27 |
1 |
23 |
418 |
1263 |
197 |
0 |
| VCDI |
0 |
23 |
1 |
24 |
61 |
2595 |
8692 |
6379 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
32279 |
5282 |
243 |
348 |
14 |
0 |
0 |
0 |
| OW |
25 |
401 |
123 |
435 |
149 |
0 |
0 |
0 |
| VODI |
0 |
49 |
53 |
524 |
411 |
34 |
0 |
0 |
| ODI |
0 |
7 |
0 |
166 |
577 |
230 |
0 |
0 |
| CDI |
1 |
25 |
1 |
23 |
506 |
1235 |
159 |
0 |
| VCDI |
0 |
25 |
1 |
25 |
73 |
2698 |
8730 |
6379 |
|
Date: 2024-10-19:
| 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 |
31493 |
5117 |
132 |
163 |
10 |
0 |
0 |
0 |
| OW |
6 |
710 |
221 |
523 |
191 |
1 |
0 |
0 |
| VODI |
0 |
132 |
81 |
566 |
406 |
176 |
0 |
0 |
| ODI |
0 |
13 |
14 |
138 |
462 |
336 |
0 |
0 |
| CDI |
0 |
1 |
0 |
54 |
383 |
1171 |
154 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
133 |
2667 |
8941 |
6827 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
31479 |
5169 |
205 |
235 |
23 |
0 |
0 |
0 |
| OW |
20 |
601 |
133 |
421 |
241 |
14 |
0 |
0 |
| VODI |
0 |
181 |
95 |
587 |
316 |
154 |
0 |
0 |
| ODI |
0 |
20 |
15 |
147 |
395 |
254 |
0 |
0 |
| CDI |
0 |
2 |
0 |
49 |
485 |
1119 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
125 |
2810 |
9025 |
6827 |
|
Date: 2024-10-21:
| 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 |
31679 |
4893 |
66 |
98 |
5 |
0 |
0 |
0 |
| OW |
2 |
1231 |
367 |
335 |
24 |
0 |
0 |
0 |
| VODI |
1 |
44 |
29 |
817 |
260 |
1 |
0 |
0 |
| ODI |
0 |
2 |
1 |
100 |
789 |
127 |
25 |
0 |
| CDI |
0 |
0 |
0 |
22 |
626 |
868 |
86 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
353 |
2696 |
7358 |
8325 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
31678 |
4564 |
121 |
124 |
0 |
0 |
0 |
0 |
| OW |
4 |
962 |
171 |
393 |
97 |
0 |
0 |
0 |
| VODI |
0 |
547 |
123 |
432 |
450 |
58 |
0 |
0 |
| ODI |
0 |
79 |
35 |
237 |
319 |
159 |
5 |
0 |
| CDI |
0 |
18 |
13 |
157 |
351 |
508 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
30 |
840 |
2967 |
7419 |
8325 |
|
Date: 2024-10-23:
| 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 |
31389 |
4768 |
232 |
230 |
3 |
0 |
0 |
0 |
| OW |
44 |
829 |
287 |
581 |
61 |
0 |
0 |
0 |
| VODI |
1 |
47 |
69 |
679 |
380 |
19 |
0 |
0 |
| ODI |
0 |
1 |
3 |
220 |
568 |
104 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
552 |
872 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
186 |
3843 |
7043 |
8183 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
31378 |
3937 |
157 |
278 |
9 |
0 |
0 |
0 |
| OW |
55 |
1138 |
154 |
464 |
160 |
0 |
0 |
0 |
| VODI |
1 |
517 |
220 |
503 |
498 |
106 |
0 |
0 |
| ODI |
0 |
52 |
55 |
296 |
322 |
239 |
1 |
0 |
| CDI |
0 |
1 |
5 |
185 |
536 |
764 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
225 |
3729 |
7016 |
8183 |
|
Date: 2024-10-25:
| 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 |
28804 |
5756 |
256 |
353 |
104 |
0 |
0 |
0 |
| OW |
27 |
551 |
195 |
621 |
284 |
7 |
0 |
0 |
| VODI |
2 |
42 |
78 |
556 |
504 |
125 |
0 |
0 |
| ODI |
0 |
2 |
3 |
141 |
568 |
318 |
0 |
0 |
| CDI |
0 |
0 |
0 |
71 |
265 |
1142 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
53 |
2616 |
9178 |
8550 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
28773 |
4860 |
164 |
211 |
196 |
0 |
0 |
0 |
| OW |
58 |
1070 |
209 |
486 |
166 |
29 |
0 |
0 |
| VODI |
2 |
359 |
126 |
674 |
606 |
219 |
0 |
0 |
| ODI |
0 |
61 |
17 |
207 |
419 |
622 |
0 |
0 |
| CDI |
0 |
1 |
16 |
157 |
269 |
956 |
121 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
122 |
2382 |
9114 |
8550 |
|
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