Validation of sea ice concentration - American sector
Bulletin date: 2022-10-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-07:
| 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 |
15861 |
7264 |
267 |
155 |
64 |
14 |
0 |
0 |
| OW |
75 |
413 |
213 |
299 |
77 |
0 |
0 |
0 |
| VODI |
0 |
75 |
121 |
482 |
276 |
10 |
0 |
0 |
| ODI |
0 |
3 |
21 |
341 |
475 |
80 |
1 |
0 |
| CDI |
0 |
0 |
6 |
150 |
708 |
504 |
64 |
0 |
| VCDI |
0 |
0 |
2 |
77 |
956 |
6164 |
9338 |
1310 |
|
...date precedes bulletin
|
Date: 2022-10-09:
| 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 |
14958 |
7624 |
256 |
171 |
63 |
0 |
0 |
0 |
| OW |
118 |
559 |
336 |
332 |
92 |
2 |
0 |
0 |
| VODI |
6 |
96 |
158 |
428 |
438 |
75 |
0 |
0 |
| ODI |
0 |
6 |
24 |
201 |
462 |
218 |
0 |
0 |
| CDI |
0 |
0 |
7 |
124 |
645 |
511 |
16 |
0 |
| VCDI |
0 |
1 |
7 |
87 |
597 |
5721 |
11527 |
0 |
|
...date precedes bulletin
|
Date: 2022-10-11:
| 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 |
11891 |
10237 |
639 |
455 |
101 |
16 |
0 |
0 |
| OW |
30 |
111 |
138 |
484 |
238 |
26 |
0 |
0 |
| VODI |
9 |
31 |
44 |
337 |
589 |
113 |
0 |
0 |
| ODI |
0 |
2 |
1 |
138 |
849 |
385 |
20 |
0 |
| CDI |
0 |
0 |
0 |
4 |
356 |
967 |
290 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
148 |
2169 |
13290 |
1757 |
|
...date precedes bulletin
|
Date: 2022-10-13:
| 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 |
11770 |
9077 |
735 |
593 |
127 |
7 |
0 |
0 |
| OW |
20 |
220 |
169 |
458 |
432 |
40 |
0 |
0 |
| VODI |
3 |
36 |
32 |
224 |
705 |
323 |
2 |
0 |
| ODI |
0 |
1 |
2 |
65 |
448 |
598 |
31 |
0 |
| CDI |
0 |
0 |
0 |
2 |
412 |
1036 |
154 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
56 |
2408 |
12887 |
2790 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11754 |
9090 |
704 |
603 |
155 |
20 |
0 |
0 |
| OW |
32 |
225 |
184 |
407 |
352 |
23 |
0 |
0 |
| VODI |
7 |
16 |
48 |
247 |
713 |
281 |
4 |
0 |
| ODI |
0 |
3 |
2 |
80 |
426 |
594 |
21 |
0 |
| CDI |
0 |
0 |
0 |
5 |
425 |
969 |
204 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
109 |
2525 |
12845 |
2790 |
|
Date: 2022-10-15:
| 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 |
10578 |
8827 |
802 |
720 |
199 |
8 |
0 |
0 |
| OW |
23 |
295 |
153 |
593 |
497 |
87 |
0 |
0 |
| VODI |
13 |
56 |
22 |
185 |
556 |
539 |
7 |
0 |
| ODI |
0 |
0 |
4 |
35 |
255 |
721 |
75 |
0 |
| CDI |
0 |
0 |
0 |
1 |
91 |
1101 |
324 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
17 |
1845 |
13422 |
3813 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10549 |
8901 |
821 |
861 |
217 |
20 |
0 |
0 |
| OW |
45 |
227 |
132 |
452 |
384 |
50 |
0 |
0 |
| VODI |
20 |
50 |
25 |
188 |
655 |
510 |
0 |
0 |
| ODI |
0 |
0 |
3 |
32 |
227 |
720 |
71 |
0 |
| CDI |
0 |
0 |
0 |
1 |
111 |
1068 |
350 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
21 |
1933 |
13407 |
3813 |
|
Date: 2022-10-17:
| 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 |
9808 |
9018 |
702 |
354 |
111 |
0 |
0 |
0 |
| OW |
0 |
302 |
234 |
418 |
162 |
9 |
0 |
0 |
| VODI |
0 |
55 |
75 |
440 |
544 |
80 |
0 |
0 |
| ODI |
0 |
11 |
0 |
79 |
798 |
483 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
309 |
1494 |
202 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
1765 |
11203 |
7176 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9808 |
9020 |
690 |
580 |
354 |
76 |
0 |
0 |
| OW |
0 |
302 |
243 |
351 |
386 |
87 |
1 |
0 |
| VODI |
0 |
52 |
74 |
324 |
638 |
436 |
34 |
0 |
| ODI |
0 |
12 |
4 |
35 |
291 |
614 |
104 |
0 |
| CDI |
0 |
0 |
0 |
1 |
207 |
648 |
327 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
79 |
1970 |
10942 |
7176 |
|
Date: 2022-10-19:
| 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 |
10960 |
6897 |
580 |
688 |
211 |
14 |
0 |
0 |
| OW |
1 |
432 |
191 |
427 |
230 |
29 |
0 |
0 |
| VODI |
0 |
109 |
106 |
353 |
568 |
97 |
0 |
0 |
| ODI |
0 |
1 |
19 |
238 |
530 |
302 |
3 |
0 |
| CDI |
0 |
0 |
2 |
94 |
326 |
1046 |
81 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
103 |
2998 |
8644 |
9583 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10961 |
7155 |
634 |
806 |
249 |
19 |
0 |
0 |
| OW |
0 |
253 |
200 |
547 |
301 |
44 |
0 |
0 |
| VODI |
0 |
31 |
51 |
360 |
759 |
380 |
14 |
0 |
| ODI |
0 |
0 |
13 |
66 |
355 |
629 |
27 |
0 |
| CDI |
0 |
0 |
0 |
22 |
203 |
766 |
172 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
101 |
2648 |
8515 |
9570 |
|
Date: 2022-10-21:
| 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 |
12259 |
5194 |
436 |
514 |
252 |
0 |
0 |
0 |
| OW |
18 |
677 |
220 |
468 |
315 |
14 |
0 |
0 |
| VODI |
0 |
274 |
79 |
337 |
485 |
105 |
0 |
0 |
| ODI |
0 |
24 |
44 |
228 |
511 |
328 |
0 |
0 |
| CDI |
0 |
4 |
23 |
102 |
283 |
637 |
36 |
0 |
| VCDI |
0 |
0 |
1 |
44 |
206 |
2512 |
7523 |
11713 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12270 |
5530 |
518 |
615 |
310 |
4 |
0 |
0 |
| OW |
7 |
515 |
166 |
480 |
340 |
22 |
0 |
0 |
| VODI |
0 |
92 |
72 |
387 |
677 |
207 |
2 |
0 |
| ODI |
0 |
29 |
23 |
114 |
374 |
653 |
17 |
0 |
| CDI |
0 |
5 |
21 |
66 |
208 |
750 |
106 |
108 |
| VCDI |
0 |
2 |
3 |
31 |
143 |
1960 |
7434 |
11605 |
|
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