Validation of sea ice concentration - American sector
Bulletin date: 2022-10-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-14:
| 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 |
12162 |
8736 |
131 |
512 |
79 |
0 |
0 |
0 |
| OW |
5 |
422 |
57 |
599 |
467 |
9 |
0 |
0 |
| VODI |
0 |
36 |
16 |
197 |
811 |
328 |
0 |
0 |
| ODI |
0 |
0 |
0 |
25 |
311 |
744 |
14 |
0 |
| CDI |
0 |
0 |
0 |
2 |
130 |
1260 |
200 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
1083 |
6116 |
11403 |
|
...date precedes bulletin
|
Date: 2022-10-16:
| 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 |
11142 |
8854 |
121 |
482 |
96 |
0 |
0 |
0 |
| OW |
1 |
494 |
76 |
765 |
459 |
37 |
0 |
0 |
| VODI |
0 |
33 |
11 |
262 |
675 |
363 |
0 |
0 |
| ODI |
0 |
0 |
0 |
5 |
302 |
676 |
23 |
0 |
| CDI |
0 |
0 |
0 |
0 |
138 |
907 |
280 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
1230 |
6470 |
11921 |
|
...date precedes bulletin
|
Date: 2022-10-18:
| 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 |
9507 |
9529 |
98 |
457 |
154 |
0 |
0 |
0 |
| OW |
3 |
520 |
78 |
380 |
161 |
5 |
0 |
0 |
| VODI |
1 |
52 |
20 |
507 |
548 |
60 |
0 |
0 |
| ODI |
0 |
0 |
0 |
74 |
923 |
224 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
452 |
1152 |
69 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
113 |
2166 |
6198 |
12404 |
|
...date precedes bulletin
|
Date: 2022-10-20:
| 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 |
10079 |
8201 |
106 |
528 |
181 |
0 |
0 |
0 |
| OW |
24 |
831 |
49 |
332 |
203 |
11 |
0 |
0 |
| VODI |
1 |
367 |
14 |
318 |
490 |
49 |
0 |
0 |
| ODI |
0 |
96 |
17 |
198 |
674 |
145 |
0 |
0 |
| CDI |
0 |
0 |
0 |
135 |
458 |
706 |
21 |
5 |
| VCDI |
0 |
0 |
0 |
8 |
289 |
2650 |
6523 |
12157 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10085 |
8530 |
110 |
514 |
182 |
0 |
0 |
0 |
| OW |
15 |
609 |
43 |
311 |
137 |
4 |
0 |
0 |
| VODI |
4 |
302 |
20 |
373 |
554 |
68 |
0 |
0 |
| ODI |
0 |
53 |
13 |
245 |
723 |
153 |
0 |
0 |
| CDI |
0 |
1 |
0 |
72 |
427 |
710 |
18 |
5 |
| VCDI |
0 |
0 |
0 |
4 |
272 |
2626 |
6526 |
12157 |
|
Date: 2022-10-22:
| 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 |
10250 |
6989 |
83 |
460 |
275 |
0 |
0 |
0 |
| OW |
30 |
713 |
57 |
686 |
421 |
14 |
0 |
0 |
| VODI |
0 |
435 |
12 |
272 |
575 |
96 |
0 |
0 |
| ODI |
0 |
95 |
14 |
126 |
583 |
210 |
0 |
0 |
| CDI |
0 |
14 |
7 |
87 |
305 |
691 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
47 |
288 |
2282 |
6500 |
13232 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10264 |
6992 |
92 |
508 |
331 |
0 |
0 |
0 |
| OW |
16 |
817 |
51 |
615 |
345 |
11 |
0 |
0 |
| VODI |
0 |
394 |
17 |
321 |
575 |
91 |
0 |
0 |
| ODI |
0 |
35 |
6 |
133 |
585 |
285 |
0 |
0 |
| CDI |
0 |
8 |
7 |
59 |
333 |
706 |
26 |
0 |
| VCDI |
0 |
0 |
0 |
42 |
278 |
2200 |
6491 |
13232 |
|
Date: 2022-10-24:
| 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 |
9559 |
7572 |
91 |
468 |
244 |
15 |
0 |
0 |
| OW |
3 |
532 |
75 |
418 |
92 |
14 |
0 |
0 |
| VODI |
0 |
77 |
15 |
562 |
497 |
30 |
0 |
0 |
| ODI |
0 |
0 |
3 |
69 |
1137 |
245 |
0 |
0 |
| CDI |
0 |
0 |
0 |
40 |
330 |
1380 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
138 |
2054 |
6386 |
13811 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9560 |
6996 |
96 |
529 |
304 |
41 |
0 |
0 |
| OW |
2 |
773 |
44 |
338 |
288 |
39 |
0 |
0 |
| VODI |
0 |
369 |
31 |
469 |
865 |
186 |
0 |
0 |
| ODI |
0 |
33 |
7 |
105 |
394 |
299 |
0 |
0 |
| CDI |
0 |
10 |
4 |
62 |
259 |
628 |
4 |
0 |
| VCDI |
0 |
0 |
2 |
63 |
328 |
2545 |
6382 |
13811 |
|
Date: 2022-10-26:
| 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 |
8978 |
7005 |
96 |
534 |
365 |
145 |
0 |
0 |
| OW |
21 |
499 |
71 |
547 |
150 |
53 |
0 |
0 |
| VODI |
3 |
79 |
18 |
516 |
509 |
61 |
0 |
0 |
| ODI |
0 |
1 |
0 |
62 |
814 |
174 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
526 |
910 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
197 |
2468 |
6175 |
14862 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8919 |
6422 |
91 |
553 |
375 |
192 |
0 |
0 |
| OW |
69 |
703 |
32 |
338 |
194 |
44 |
0 |
0 |
| VODI |
14 |
407 |
48 |
570 |
707 |
230 |
0 |
0 |
| ODI |
0 |
44 |
9 |
135 |
630 |
503 |
0 |
0 |
| CDI |
0 |
8 |
5 |
58 |
269 |
510 |
9 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
386 |
2332 |
6173 |
14862 |
|
Date: 2022-10-28:
| 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 |
7351 |
7316 |
113 |
502 |
376 |
187 |
0 |
0 |
| OW |
4 |
576 |
80 |
787 |
145 |
109 |
0 |
0 |
| VODI |
0 |
89 |
24 |
426 |
644 |
126 |
0 |
0 |
| ODI |
0 |
0 |
1 |
95 |
634 |
227 |
0 |
0 |
| CDI |
0 |
0 |
0 |
34 |
497 |
581 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
192 |
2681 |
5167 |
16889 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7224 |
6837 |
111 |
545 |
393 |
209 |
0 |
0 |
| OW |
131 |
779 |
40 |
403 |
173 |
124 |
0 |
0 |
| VODI |
0 |
349 |
60 |
651 |
741 |
232 |
0 |
0 |
| ODI |
0 |
16 |
7 |
143 |
497 |
633 |
0 |
0 |
| CDI |
0 |
0 |
0 |
68 |
367 |
667 |
48 |
0 |
| VCDI |
0 |
0 |
0 |
39 |
317 |
2046 |
5127 |
16889 |
|
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