Validation of sea ice concentration - American sector
Bulletin date: 2022-06-23
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-06-17:
| 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 |
0 |
3033 |
900 |
1307 |
256 |
12 |
0 |
0 |
| OW |
0 |
116 |
85 |
502 |
489 |
34 |
0 |
0 |
| VODI |
0 |
80 |
25 |
247 |
721 |
365 |
28 |
0 |
| ODI |
0 |
78 |
48 |
144 |
687 |
808 |
113 |
0 |
| CDI |
0 |
101 |
60 |
169 |
609 |
874 |
575 |
0 |
| VCDI |
0 |
59 |
64 |
335 |
893 |
5171 |
22494 |
4384 |
|
...date precedes bulletin
|
Date: 2022-06-19:
| 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 |
0 |
3201 |
1024 |
1497 |
388 |
36 |
0 |
0 |
| OW |
0 |
117 |
59 |
347 |
547 |
179 |
6 |
0 |
| VODI |
0 |
75 |
31 |
155 |
566 |
846 |
40 |
0 |
| ODI |
0 |
68 |
21 |
125 |
505 |
696 |
97 |
0 |
| CDI |
0 |
140 |
77 |
174 |
346 |
1331 |
431 |
4 |
| VCDI |
0 |
25 |
39 |
514 |
1291 |
5163 |
19107 |
6598 |
|
...date precedes bulletin
|
Date: 2022-06-21:
| 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 |
0 |
2452 |
2303 |
1655 |
286 |
4 |
0 |
0 |
| OW |
0 |
61 |
68 |
415 |
364 |
28 |
1 |
0 |
| VODI |
0 |
34 |
49 |
291 |
1117 |
132 |
16 |
0 |
| ODI |
0 |
32 |
34 |
153 |
1352 |
621 |
32 |
2 |
| CDI |
0 |
61 |
75 |
290 |
1031 |
1299 |
544 |
8 |
| VCDI |
0 |
27 |
34 |
245 |
3700 |
6699 |
15771 |
4580 |
|
...date precedes bulletin
|
Date: 2022-06-23:
| 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 |
23 |
3490 |
1840 |
1521 |
177 |
15 |
0 |
0 |
| OW |
0 |
99 |
90 |
518 |
344 |
38 |
14 |
0 |
| VODI |
0 |
68 |
39 |
401 |
1704 |
220 |
32 |
0 |
| ODI |
0 |
45 |
27 |
151 |
623 |
542 |
60 |
0 |
| CDI |
0 |
77 |
76 |
331 |
1073 |
1526 |
534 |
0 |
| VCDI |
0 |
20 |
34 |
290 |
3475 |
8194 |
11761 |
6394 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23 |
3475 |
1827 |
1639 |
262 |
24 |
2 |
0 |
| OW |
0 |
106 |
96 |
401 |
310 |
34 |
14 |
0 |
| VODI |
0 |
76 |
45 |
376 |
1560 |
169 |
30 |
0 |
| ODI |
0 |
46 |
30 |
173 |
714 |
541 |
72 |
0 |
| CDI |
0 |
76 |
74 |
334 |
1085 |
1540 |
464 |
0 |
| VCDI |
0 |
20 |
34 |
289 |
3465 |
8227 |
11819 |
6394 |
|
Date: 2022-06-25:
| 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 |
29 |
4619 |
1305 |
1362 |
175 |
33 |
10 |
0 |
| OW |
0 |
76 |
109 |
714 |
574 |
80 |
29 |
0 |
| VODI |
0 |
42 |
60 |
387 |
1258 |
404 |
76 |
0 |
| ODI |
0 |
28 |
48 |
130 |
359 |
502 |
143 |
0 |
| CDI |
0 |
33 |
109 |
396 |
1397 |
1372 |
594 |
0 |
| VCDI |
0 |
27 |
42 |
247 |
7019 |
8195 |
12308 |
1575 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
29 |
4604 |
1295 |
1508 |
302 |
50 |
13 |
0 |
| OW |
0 |
88 |
118 |
579 |
532 |
68 |
21 |
0 |
| VODI |
0 |
44 |
57 |
378 |
1121 |
371 |
69 |
0 |
| ODI |
0 |
25 |
56 |
127 |
420 |
541 |
150 |
0 |
| CDI |
0 |
39 |
105 |
396 |
1446 |
1347 |
563 |
0 |
| VCDI |
0 |
25 |
42 |
248 |
6961 |
8209 |
12344 |
1575 |
|
Date: 2022-06-27:
| 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 |
433 |
4490 |
1355 |
1489 |
158 |
55 |
0 |
0 |
| OW |
2 |
56 |
103 |
441 |
236 |
25 |
7 |
0 |
| VODI |
0 |
13 |
36 |
780 |
706 |
72 |
22 |
0 |
| ODI |
0 |
10 |
30 |
377 |
1576 |
448 |
57 |
0 |
| CDI |
0 |
29 |
86 |
474 |
2258 |
2342 |
383 |
0 |
| VCDI |
0 |
2 |
23 |
416 |
11253 |
7779 |
7764 |
80 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
433 |
4448 |
1315 |
1835 |
472 |
81 |
2 |
0 |
| OW |
2 |
61 |
87 |
581 |
781 |
125 |
23 |
0 |
| VODI |
0 |
34 |
49 |
309 |
659 |
491 |
90 |
0 |
| ODI |
0 |
15 |
37 |
156 |
496 |
380 |
142 |
0 |
| CDI |
0 |
30 |
102 |
577 |
1617 |
1442 |
333 |
0 |
| VCDI |
0 |
12 |
43 |
519 |
12162 |
8202 |
7643 |
80 |
|
Date: 2022-06-29:
| 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 |
164 |
5196 |
1611 |
1255 |
195 |
68 |
1 |
0 |
| OW |
2 |
41 |
100 |
901 |
271 |
64 |
16 |
0 |
| VODI |
0 |
17 |
34 |
819 |
897 |
167 |
21 |
0 |
| ODI |
0 |
7 |
44 |
318 |
1033 |
557 |
49 |
0 |
| CDI |
0 |
26 |
59 |
469 |
2365 |
1905 |
525 |
0 |
| VCDI |
0 |
6 |
22 |
82 |
7128 |
13674 |
5757 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
164 |
5117 |
1495 |
2026 |
406 |
133 |
14 |
0 |
| OW |
2 |
46 |
126 |
561 |
773 |
202 |
30 |
0 |
| VODI |
0 |
48 |
69 |
315 |
406 |
432 |
45 |
0 |
| ODI |
0 |
31 |
53 |
211 |
476 |
282 |
95 |
0 |
| CDI |
0 |
35 |
90 |
513 |
1871 |
1164 |
519 |
0 |
| VCDI |
0 |
16 |
37 |
218 |
7957 |
14222 |
5666 |
0 |
|
Date: 2022-07-01:
| 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 |
53 |
5165 |
1905 |
1567 |
247 |
55 |
2 |
0 |
| OW |
0 |
55 |
153 |
909 |
401 |
59 |
20 |
0 |
| VODI |
0 |
19 |
57 |
756 |
855 |
215 |
26 |
0 |
| ODI |
0 |
10 |
32 |
374 |
1005 |
544 |
50 |
0 |
| CDI |
0 |
30 |
68 |
428 |
2380 |
2001 |
345 |
0 |
| VCDI |
0 |
2 |
19 |
163 |
4701 |
15778 |
5378 |
39 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53 |
5023 |
1797 |
2461 |
693 |
104 |
32 |
0 |
| OW |
0 |
62 |
155 |
317 |
560 |
224 |
26 |
0 |
| VODI |
0 |
74 |
90 |
331 |
311 |
343 |
29 |
0 |
| ODI |
0 |
48 |
50 |
212 |
423 |
265 |
27 |
0 |
| CDI |
0 |
50 |
91 |
579 |
2192 |
1258 |
362 |
0 |
| VCDI |
0 |
24 |
51 |
297 |
5410 |
16458 |
5345 |
39 |
|
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