Validation of sea ice concentration - American sector
Bulletin date: 2024-06-20
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-14:
| 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 |
14051 |
3418 |
40 |
102 |
15 |
0 |
0 |
0 |
| OW |
78 |
1543 |
285 |
500 |
67 |
8 |
1 |
0 |
| VODI |
23 |
699 |
135 |
804 |
293 |
111 |
15 |
2 |
| ODI |
0 |
208 |
48 |
383 |
703 |
296 |
83 |
7 |
| CDI |
0 |
206 |
81 |
537 |
1526 |
2760 |
962 |
31 |
| VCDI |
0 |
3 |
5 |
99 |
644 |
6787 |
16223 |
7449 |
|
...date precedes bulletin
|
Date: 2024-06-16:
| 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 |
14048 |
3405 |
28 |
123 |
1 |
0 |
0 |
0 |
| OW |
73 |
1758 |
231 |
446 |
83 |
19 |
0 |
0 |
| VODI |
23 |
688 |
87 |
656 |
348 |
157 |
24 |
0 |
| ODI |
1 |
258 |
87 |
401 |
631 |
309 |
90 |
0 |
| CDI |
0 |
222 |
45 |
607 |
2111 |
2098 |
1121 |
120 |
| VCDI |
0 |
24 |
1 |
184 |
1169 |
11260 |
11533 |
6761 |
|
...date precedes bulletin
|
Date: 2024-06-18:
| 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 |
14179 |
4250 |
34 |
90 |
1 |
0 |
0 |
0 |
| OW |
44 |
1949 |
272 |
320 |
29 |
1 |
1 |
0 |
| VODI |
4 |
444 |
121 |
1000 |
425 |
40 |
16 |
0 |
| ODI |
1 |
113 |
44 |
524 |
1373 |
196 |
45 |
1 |
| CDI |
0 |
48 |
26 |
192 |
1858 |
5743 |
654 |
26 |
| VCDI |
0 |
0 |
0 |
52 |
897 |
11538 |
9797 |
4883 |
|
...date precedes bulletin
|
Date: 2024-06-20:
| 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 |
15528 |
3214 |
35 |
60 |
1 |
0 |
0 |
0 |
| OW |
80 |
1696 |
222 |
363 |
50 |
9 |
0 |
0 |
| VODI |
4 |
552 |
130 |
985 |
521 |
63 |
2 |
0 |
| ODI |
1 |
188 |
50 |
571 |
1140 |
257 |
29 |
0 |
| CDI |
0 |
63 |
19 |
267 |
1932 |
5548 |
1018 |
0 |
| VCDI |
0 |
1 |
8 |
124 |
1870 |
16519 |
6377 |
1734 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15535 |
3366 |
48 |
75 |
1 |
0 |
0 |
0 |
| OW |
73 |
1489 |
209 |
359 |
59 |
12 |
0 |
0 |
| VODI |
4 |
600 |
131 |
952 |
551 |
56 |
3 |
0 |
| ODI |
1 |
194 |
49 |
593 |
1043 |
247 |
20 |
0 |
| CDI |
0 |
65 |
19 |
242 |
1994 |
5760 |
1030 |
0 |
| VCDI |
0 |
0 |
8 |
149 |
1866 |
16321 |
6373 |
1734 |
|
Date: 2024-06-22:
| 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 |
15117 |
3739 |
33 |
65 |
2 |
0 |
0 |
0 |
| OW |
10 |
1660 |
246 |
374 |
57 |
12 |
0 |
0 |
| VODI |
6 |
620 |
145 |
933 |
575 |
81 |
0 |
0 |
| ODI |
1 |
285 |
68 |
564 |
977 |
345 |
10 |
0 |
| CDI |
1 |
69 |
28 |
379 |
1996 |
5088 |
882 |
0 |
| VCDI |
0 |
0 |
4 |
113 |
2118 |
16719 |
6227 |
1682 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15110 |
3832 |
57 |
67 |
5 |
1 |
0 |
0 |
| OW |
15 |
1517 |
211 |
403 |
67 |
17 |
0 |
0 |
| VODI |
6 |
652 |
158 |
855 |
562 |
79 |
0 |
0 |
| ODI |
2 |
291 |
66 |
626 |
970 |
331 |
5 |
0 |
| CDI |
2 |
68 |
18 |
301 |
1989 |
5039 |
884 |
0 |
| VCDI |
0 |
13 |
14 |
176 |
2132 |
16778 |
6230 |
1682 |
|
Date: 2024-06-24:
| 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 |
16103 |
3676 |
35 |
79 |
1 |
1 |
0 |
0 |
| OW |
56 |
1608 |
378 |
368 |
29 |
9 |
0 |
0 |
| VODI |
20 |
163 |
81 |
1637 |
441 |
29 |
0 |
0 |
| ODI |
1 |
27 |
18 |
447 |
2253 |
201 |
5 |
0 |
| CDI |
1 |
4 |
2 |
74 |
1326 |
8696 |
332 |
0 |
| VCDI |
0 |
0 |
0 |
42 |
1765 |
15561 |
5716 |
46 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16053 |
3088 |
50 |
110 |
0 |
9 |
0 |
0 |
| OW |
90 |
1325 |
174 |
472 |
88 |
27 |
0 |
0 |
| VODI |
31 |
692 |
159 |
850 |
456 |
96 |
0 |
0 |
| ODI |
5 |
291 |
92 |
673 |
908 |
529 |
29 |
0 |
| CDI |
2 |
58 |
18 |
373 |
2326 |
4704 |
673 |
0 |
| VCDI |
0 |
24 |
21 |
169 |
2037 |
19132 |
5351 |
46 |
|
Date: 2024-06-26:
| 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 |
16230 |
4042 |
50 |
39 |
3 |
1 |
0 |
0 |
| OW |
16 |
1605 |
357 |
414 |
28 |
13 |
0 |
0 |
| VODI |
10 |
231 |
171 |
1475 |
414 |
44 |
0 |
0 |
| ODI |
1 |
37 |
14 |
763 |
1708 |
437 |
2 |
0 |
| CDI |
1 |
6 |
7 |
207 |
1539 |
6574 |
284 |
0 |
| VCDI |
0 |
15 |
1 |
43 |
1751 |
19717 |
2978 |
3 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16215 |
3344 |
59 |
69 |
2 |
9 |
0 |
0 |
| OW |
28 |
1302 |
197 |
529 |
57 |
30 |
0 |
0 |
| VODI |
12 |
817 |
168 |
804 |
349 |
83 |
0 |
0 |
| ODI |
3 |
378 |
109 |
608 |
761 |
548 |
37 |
0 |
| CDI |
0 |
72 |
48 |
797 |
2378 |
5161 |
387 |
0 |
| VCDI |
0 |
23 |
19 |
134 |
1896 |
20955 |
2840 |
3 |
|
Date: 2024-06-28:
| 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 |
16461 |
4139 |
61 |
39 |
3 |
1 |
0 |
0 |
| OW |
21 |
1606 |
326 |
367 |
34 |
14 |
0 |
0 |
| VODI |
11 |
460 |
203 |
1250 |
416 |
64 |
0 |
0 |
| ODI |
3 |
57 |
63 |
1043 |
1780 |
712 |
4 |
0 |
| CDI |
0 |
29 |
1 |
200 |
3638 |
3819 |
83 |
0 |
| VCDI |
0 |
13 |
1 |
46 |
1595 |
21737 |
928 |
3 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16434 |
3439 |
56 |
90 |
4 |
24 |
0 |
0 |
| OW |
49 |
1377 |
183 |
394 |
84 |
54 |
0 |
0 |
| VODI |
11 |
919 |
209 |
737 |
356 |
121 |
0 |
0 |
| ODI |
2 |
465 |
129 |
615 |
875 |
643 |
17 |
0 |
| CDI |
0 |
82 |
77 |
1043 |
4143 |
2852 |
173 |
0 |
| VCDI |
0 |
22 |
1 |
66 |
2004 |
22653 |
825 |
3 |
|
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