Validation of sea ice concentration - American sector
Bulletin date: 2022-06-16
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-06-10:
| 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 |
991 |
695 |
1425 |
484 |
22 |
1 |
0 |
| OW |
0 |
137 |
81 |
442 |
428 |
51 |
0 |
0 |
| VODI |
0 |
134 |
48 |
258 |
449 |
169 |
8 |
0 |
| ODI |
0 |
114 |
35 |
149 |
454 |
461 |
42 |
0 |
| CDI |
0 |
119 |
83 |
252 |
742 |
1617 |
575 |
16 |
| VCDI |
0 |
84 |
57 |
193 |
425 |
5451 |
23800 |
5374 |
|
...date precedes bulletin
|
Date: 2022-06-12:
| 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 |
1028 |
1001 |
1572 |
572 |
65 |
0 |
0 |
| OW |
0 |
143 |
30 |
313 |
344 |
121 |
0 |
0 |
| VODI |
0 |
117 |
38 |
217 |
364 |
300 |
4 |
0 |
| ODI |
0 |
102 |
36 |
110 |
247 |
722 |
21 |
1 |
| CDI |
0 |
106 |
84 |
308 |
453 |
1635 |
893 |
34 |
| VCDI |
0 |
81 |
63 |
254 |
503 |
5447 |
24736 |
3801 |
|
...date precedes bulletin
|
Date: 2022-06-14:
| 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 |
0 |
1372 |
1231 |
1508 |
527 |
19 |
0 |
0 |
| OW |
0 |
127 |
43 |
380 |
295 |
52 |
0 |
0 |
| VODI |
0 |
98 |
43 |
321 |
608 |
180 |
0 |
0 |
| ODI |
0 |
75 |
37 |
136 |
580 |
1135 |
14 |
0 |
| CDI |
0 |
67 |
80 |
264 |
377 |
1893 |
753 |
14 |
| VCDI |
0 |
39 |
56 |
256 |
660 |
5569 |
23199 |
3858 |
|
...date precedes bulletin
|
Date: 2022-06-16:
| 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 |
0 |
1883 |
1215 |
1724 |
347 |
17 |
0 |
0 |
| OW |
0 |
110 |
63 |
505 |
336 |
41 |
0 |
0 |
| VODI |
0 |
77 |
43 |
286 |
875 |
131 |
3 |
0 |
| ODI |
0 |
72 |
59 |
133 |
1061 |
616 |
34 |
0 |
| CDI |
0 |
66 |
91 |
198 |
491 |
1401 |
639 |
0 |
| VCDI |
0 |
44 |
82 |
262 |
702 |
5471 |
20776 |
6012 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1897 |
1226 |
1802 |
397 |
25 |
0 |
0 |
| OW |
0 |
98 |
53 |
434 |
290 |
39 |
0 |
0 |
| VODI |
0 |
77 |
43 |
275 |
849 |
103 |
4 |
0 |
| ODI |
0 |
69 |
57 |
127 |
952 |
569 |
31 |
0 |
| CDI |
0 |
63 |
93 |
204 |
618 |
1464 |
610 |
0 |
| VCDI |
0 |
48 |
81 |
266 |
706 |
5477 |
20807 |
6012 |
|
Date: 2022-06-18:
| 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 |
30 |
3269 |
1002 |
1233 |
273 |
5 |
0 |
0 |
| OW |
6 |
115 |
87 |
491 |
527 |
66 |
4 |
0 |
| VODI |
0 |
79 |
27 |
222 |
722 |
483 |
46 |
0 |
| ODI |
0 |
71 |
37 |
142 |
657 |
649 |
127 |
0 |
| CDI |
0 |
116 |
53 |
166 |
410 |
955 |
639 |
0 |
| VCDI |
0 |
42 |
53 |
610 |
990 |
6170 |
19962 |
5330 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
30 |
3299 |
1017 |
1244 |
317 |
5 |
0 |
0 |
| OW |
6 |
96 |
77 |
500 |
496 |
85 |
5 |
0 |
| VODI |
0 |
75 |
27 |
201 |
700 |
513 |
33 |
0 |
| ODI |
0 |
55 |
28 |
122 |
639 |
493 |
118 |
0 |
| CDI |
0 |
124 |
59 |
195 |
434 |
1021 |
655 |
0 |
| VCDI |
0 |
43 |
51 |
602 |
993 |
6211 |
19967 |
5330 |
|
Date: 2022-06-20:
| 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 |
10 |
3270 |
1302 |
1445 |
301 |
12 |
0 |
0 |
| OW |
2 |
75 |
61 |
451 |
264 |
36 |
0 |
0 |
| VODI |
0 |
51 |
29 |
287 |
718 |
63 |
10 |
0 |
| ODI |
0 |
44 |
29 |
147 |
2081 |
503 |
32 |
0 |
| CDI |
0 |
79 |
60 |
257 |
677 |
1458 |
591 |
0 |
| VCDI |
0 |
6 |
28 |
192 |
1197 |
6631 |
16009 |
7458 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10 |
3135 |
1261 |
1529 |
473 |
61 |
1 |
0 |
| OW |
2 |
95 |
59 |
396 |
602 |
44 |
9 |
0 |
| VODI |
0 |
68 |
38 |
199 |
1129 |
173 |
49 |
0 |
| ODI |
0 |
48 |
27 |
120 |
873 |
310 |
73 |
0 |
| CDI |
0 |
154 |
73 |
191 |
722 |
1016 |
425 |
0 |
| VCDI |
0 |
25 |
51 |
344 |
1439 |
7099 |
16085 |
7458 |
|
Date: 2022-06-22:
| 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 |
1 |
2663 |
1422 |
2435 |
345 |
14 |
0 |
0 |
| OW |
0 |
61 |
82 |
396 |
455 |
47 |
6 |
0 |
| VODI |
0 |
47 |
44 |
255 |
1578 |
192 |
24 |
0 |
| ODI |
0 |
36 |
29 |
125 |
851 |
563 |
50 |
0 |
| CDI |
0 |
67 |
77 |
309 |
1035 |
1415 |
684 |
0 |
| VCDI |
0 |
27 |
31 |
258 |
3213 |
7560 |
12424 |
7045 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
2532 |
1340 |
2434 |
674 |
50 |
5 |
0 |
| OW |
0 |
92 |
87 |
334 |
650 |
56 |
13 |
0 |
| VODI |
0 |
77 |
63 |
227 |
977 |
314 |
47 |
0 |
| ODI |
0 |
42 |
43 |
124 |
655 |
368 |
79 |
0 |
| CDI |
0 |
126 |
100 |
314 |
992 |
1026 |
528 |
0 |
| VCDI |
0 |
32 |
52 |
345 |
3529 |
7977 |
12516 |
7045 |
|
Date: 2022-06-24:
| 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 |
28 |
4247 |
1511 |
1309 |
197 |
19 |
7 |
0 |
| OW |
0 |
117 |
96 |
604 |
453 |
48 |
17 |
0 |
| VODI |
0 |
49 |
47 |
497 |
1394 |
369 |
48 |
0 |
| ODI |
0 |
29 |
49 |
134 |
434 |
450 |
168 |
0 |
| CDI |
0 |
31 |
112 |
368 |
1368 |
1169 |
658 |
0 |
| VCDI |
0 |
28 |
26 |
213 |
5350 |
8265 |
11212 |
4745 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
28 |
4037 |
1367 |
1460 |
594 |
68 |
17 |
0 |
| OW |
0 |
224 |
136 |
453 |
557 |
92 |
23 |
0 |
| VODI |
0 |
87 |
95 |
339 |
705 |
309 |
54 |
0 |
| ODI |
0 |
42 |
44 |
204 |
409 |
360 |
186 |
0 |
| CDI |
0 |
83 |
173 |
405 |
1263 |
817 |
569 |
0 |
| VCDI |
0 |
28 |
26 |
264 |
5668 |
8674 |
11261 |
4745 |
|
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