Validation of sea ice concentration - American sector
Bulletin date: 2022-06-30
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-06-26:
| 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 |
304 |
4803 |
970 |
1349 |
288 |
52 |
14 |
0 |
| OW |
0 |
98 |
82 |
558 |
889 |
166 |
18 |
0 |
| VODI |
0 |
59 |
63 |
361 |
1093 |
478 |
62 |
0 |
| ODI |
0 |
44 |
48 |
155 |
401 |
357 |
159 |
0 |
| CDI |
0 |
59 |
92 |
512 |
1586 |
1301 |
373 |
0 |
| VCDI |
0 |
28 |
49 |
285 |
10372 |
8302 |
9574 |
462 |
|
...date precedes bulletin
|
Date: 2022-06-28:
| 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 |
437 |
4933 |
1286 |
1319 |
236 |
67 |
0 |
0 |
| OW |
2 |
49 |
93 |
694 |
249 |
78 |
12 |
0 |
| VODI |
0 |
23 |
30 |
670 |
757 |
174 |
21 |
0 |
| ODI |
0 |
21 |
35 |
505 |
1157 |
518 |
56 |
0 |
| CDI |
0 |
33 |
66 |
470 |
1868 |
2662 |
370 |
0 |
| VCDI |
0 |
5 |
22 |
110 |
10394 |
10372 |
6072 |
0 |
|
...date precedes bulletin
|
Date: 2022-06-30:
| 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 |
250 |
4762 |
2117 |
1307 |
207 |
61 |
2 |
0 |
| OW |
3 |
59 |
111 |
959 |
340 |
53 |
17 |
0 |
| VODI |
0 |
25 |
49 |
728 |
947 |
216 |
22 |
0 |
| ODI |
0 |
13 |
48 |
358 |
1008 |
578 |
48 |
0 |
| CDI |
0 |
28 |
63 |
449 |
2483 |
1830 |
464 |
0 |
| VCDI |
0 |
2 |
18 |
121 |
7808 |
13738 |
4523 |
51 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
250 |
4772 |
2123 |
1610 |
246 |
63 |
7 |
0 |
| OW |
3 |
46 |
108 |
687 |
343 |
31 |
15 |
0 |
| VODI |
0 |
25 |
45 |
641 |
903 |
216 |
20 |
0 |
| ODI |
0 |
20 |
53 |
403 |
914 |
543 |
58 |
0 |
| CDI |
0 |
24 |
59 |
468 |
2535 |
1940 |
454 |
0 |
| VCDI |
0 |
2 |
18 |
113 |
7852 |
13683 |
4522 |
51 |
|
Date: 2022-07-02:
| 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 |
136 |
5128 |
2358 |
1352 |
242 |
67 |
0 |
0 |
| OW |
0 |
30 |
190 |
1154 |
268 |
73 |
7 |
0 |
| VODI |
0 |
9 |
75 |
782 |
652 |
266 |
8 |
0 |
| ODI |
0 |
5 |
35 |
411 |
791 |
638 |
20 |
0 |
| CDI |
0 |
35 |
86 |
490 |
2189 |
2276 |
326 |
0 |
| VCDI |
0 |
3 |
14 |
131 |
3398 |
16029 |
6192 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
136 |
5130 |
2423 |
1756 |
275 |
76 |
0 |
0 |
| OW |
0 |
28 |
119 |
882 |
253 |
66 |
5 |
0 |
| VODI |
0 |
9 |
80 |
625 |
623 |
223 |
10 |
0 |
| ODI |
0 |
9 |
34 |
447 |
752 |
655 |
28 |
0 |
| CDI |
0 |
31 |
89 |
480 |
2181 |
2242 |
309 |
0 |
| VCDI |
0 |
3 |
13 |
130 |
3456 |
16087 |
6201 |
0 |
|
Date: 2022-07-04:
| 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 |
745 |
5316 |
2138 |
1592 |
161 |
61 |
0 |
0 |
| OW |
0 |
24 |
177 |
1111 |
113 |
42 |
5 |
0 |
| VODI |
0 |
13 |
56 |
741 |
582 |
108 |
11 |
0 |
| ODI |
0 |
24 |
81 |
553 |
1319 |
673 |
57 |
0 |
| CDI |
0 |
39 |
94 |
400 |
3521 |
3025 |
135 |
0 |
| VCDI |
0 |
2 |
0 |
6 |
2269 |
16229 |
4443 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
745 |
5301 |
2063 |
1808 |
212 |
99 |
2 |
0 |
| OW |
0 |
28 |
153 |
912 |
244 |
51 |
11 |
0 |
| VODI |
0 |
18 |
129 |
540 |
491 |
290 |
11 |
0 |
| ODI |
0 |
16 |
60 |
490 |
824 |
546 |
90 |
0 |
| CDI |
0 |
52 |
137 |
600 |
2643 |
2131 |
94 |
0 |
| VCDI |
0 |
3 |
4 |
53 |
3551 |
17021 |
4443 |
0 |
|
Date: 2022-07-06:
| 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 |
988 |
6180 |
1985 |
1521 |
185 |
67 |
0 |
0 |
| OW |
5 |
18 |
153 |
877 |
191 |
38 |
2 |
0 |
| VODI |
0 |
17 |
94 |
709 |
637 |
186 |
3 |
0 |
| ODI |
0 |
35 |
81 |
505 |
1332 |
395 |
7 |
0 |
| CDI |
0 |
50 |
87 |
519 |
4015 |
2763 |
170 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
4137 |
14842 |
3053 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
988 |
6078 |
1803 |
1589 |
262 |
94 |
0 |
0 |
| OW |
5 |
81 |
232 |
690 |
280 |
51 |
3 |
0 |
| VODI |
0 |
41 |
136 |
518 |
606 |
274 |
3 |
0 |
| ODI |
0 |
17 |
77 |
559 |
899 |
280 |
4 |
0 |
| CDI |
0 |
83 |
152 |
715 |
3513 |
2087 |
171 |
0 |
| VCDI |
0 |
0 |
0 |
79 |
4937 |
15505 |
3054 |
0 |
|
Date: 2022-07-08:
| 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 |
862 |
6617 |
2266 |
1429 |
177 |
65 |
0 |
0 |
| OW |
4 |
39 |
122 |
748 |
256 |
87 |
4 |
0 |
| VODI |
0 |
54 |
114 |
760 |
715 |
306 |
12 |
0 |
| ODI |
0 |
58 |
70 |
495 |
965 |
330 |
44 |
0 |
| CDI |
0 |
50 |
178 |
410 |
3946 |
2993 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
1849 |
17570 |
2144 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
862 |
6505 |
2110 |
1525 |
282 |
110 |
0 |
0 |
| OW |
4 |
125 |
206 |
484 |
257 |
98 |
4 |
0 |
| VODI |
0 |
31 |
99 |
626 |
609 |
393 |
24 |
0 |
| ODI |
0 |
46 |
65 |
558 |
707 |
149 |
32 |
0 |
| CDI |
0 |
111 |
270 |
649 |
3590 |
2540 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
2463 |
18061 |
2144 |
0 |
|
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