Validation of sea ice concentration - American sector
Bulletin date: 2024-06-06
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-31:
| 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 |
11056 |
2498 |
22 |
75 |
1 |
0 |
0 |
0 |
| OW |
2 |
1337 |
208 |
378 |
26 |
2 |
0 |
0 |
| VODI |
0 |
355 |
191 |
1154 |
270 |
33 |
9 |
0 |
| ODI |
0 |
142 |
53 |
492 |
660 |
152 |
42 |
0 |
| CDI |
0 |
191 |
93 |
465 |
1376 |
1889 |
523 |
0 |
| VCDI |
0 |
0 |
13 |
167 |
730 |
4167 |
15211 |
17248 |
|
...date precedes bulletin
|
Date: 2024-06-02:
| 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 |
11555 |
2170 |
29 |
25 |
8 |
0 |
0 |
0 |
| OW |
1 |
1389 |
174 |
383 |
76 |
2 |
0 |
0 |
| VODI |
0 |
604 |
166 |
870 |
321 |
48 |
3 |
0 |
| ODI |
0 |
258 |
55 |
439 |
622 |
110 |
35 |
0 |
| CDI |
0 |
348 |
85 |
533 |
1476 |
1910 |
809 |
102 |
| VCDI |
0 |
1 |
10 |
185 |
829 |
2667 |
16825 |
16108 |
|
...date precedes bulletin
|
Date: 2024-06-04:
| 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 |
11482 |
3146 |
35 |
90 |
9 |
0 |
0 |
0 |
| OW |
26 |
1910 |
263 |
324 |
49 |
15 |
0 |
0 |
| VODI |
0 |
525 |
204 |
975 |
345 |
48 |
1 |
0 |
| ODI |
0 |
72 |
35 |
417 |
976 |
126 |
18 |
0 |
| CDI |
0 |
2 |
14 |
279 |
1492 |
2286 |
808 |
0 |
| VCDI |
0 |
18 |
0 |
122 |
598 |
4634 |
20116 |
9771 |
|
...date precedes bulletin
|
Date: 2024-06-06:
| 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 |
11761 |
3552 |
57 |
97 |
13 |
0 |
0 |
0 |
| OW |
10 |
1788 |
189 |
275 |
98 |
12 |
0 |
0 |
| VODI |
0 |
617 |
218 |
771 |
437 |
31 |
2 |
0 |
| ODI |
0 |
116 |
51 |
575 |
647 |
127 |
32 |
0 |
| CDI |
0 |
79 |
40 |
486 |
1677 |
1821 |
650 |
2 |
| VCDI |
0 |
28 |
25 |
266 |
951 |
4862 |
21767 |
7101 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11763 |
3653 |
61 |
105 |
14 |
0 |
0 |
0 |
| OW |
8 |
1692 |
185 |
267 |
92 |
13 |
0 |
0 |
| VODI |
0 |
615 |
216 |
773 |
447 |
37 |
2 |
0 |
| ODI |
0 |
114 |
52 |
547 |
600 |
133 |
40 |
0 |
| CDI |
0 |
74 |
42 |
520 |
1715 |
1762 |
778 |
48 |
| VCDI |
0 |
32 |
24 |
258 |
955 |
4908 |
21631 |
7055 |
|
Date: 2024-06-08:
| 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 |
12994 |
3040 |
22 |
136 |
10 |
0 |
0 |
0 |
| OW |
62 |
1674 |
143 |
327 |
116 |
3 |
0 |
0 |
| VODI |
0 |
688 |
165 |
693 |
259 |
81 |
3 |
0 |
| ODI |
0 |
241 |
99 |
458 |
420 |
174 |
34 |
0 |
| CDI |
0 |
156 |
80 |
707 |
1576 |
1833 |
873 |
2 |
| VCDI |
0 |
49 |
49 |
374 |
1512 |
5240 |
19626 |
7312 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12994 |
3073 |
34 |
144 |
11 |
1 |
0 |
0 |
| OW |
62 |
1642 |
133 |
365 |
112 |
2 |
0 |
0 |
| VODI |
0 |
681 |
161 |
654 |
254 |
90 |
9 |
0 |
| ODI |
0 |
238 |
96 |
419 |
404 |
162 |
29 |
0 |
| CDI |
0 |
167 |
73 |
724 |
1628 |
1905 |
946 |
6 |
| VCDI |
0 |
47 |
61 |
389 |
1484 |
5171 |
19552 |
7308 |
|
Date: 2024-06-10:
| 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 |
13187 |
3900 |
58 |
101 |
2 |
0 |
0 |
0 |
| OW |
12 |
1832 |
363 |
379 |
30 |
0 |
0 |
0 |
| VODI |
0 |
249 |
95 |
1125 |
212 |
10 |
2 |
0 |
| ODI |
0 |
125 |
35 |
381 |
975 |
120 |
37 |
0 |
| CDI |
0 |
65 |
44 |
436 |
1628 |
3778 |
336 |
0 |
| VCDI |
0 |
1 |
1 |
17 |
355 |
4090 |
21608 |
5642 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13157 |
3371 |
48 |
101 |
8 |
0 |
0 |
0 |
| OW |
42 |
1586 |
179 |
375 |
50 |
1 |
0 |
0 |
| VODI |
0 |
629 |
155 |
647 |
225 |
83 |
20 |
0 |
| ODI |
0 |
289 |
85 |
453 |
331 |
195 |
57 |
0 |
| CDI |
0 |
261 |
86 |
541 |
1611 |
2231 |
1361 |
0 |
| VCDI |
0 |
36 |
43 |
322 |
977 |
5488 |
20545 |
5642 |
|
Date: 2024-06-12:
| 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 |
13281 |
3885 |
64 |
125 |
8 |
0 |
0 |
0 |
| OW |
4 |
1667 |
294 |
510 |
55 |
7 |
0 |
0 |
| VODI |
0 |
439 |
186 |
1015 |
237 |
34 |
14 |
0 |
| ODI |
0 |
174 |
41 |
365 |
906 |
162 |
84 |
0 |
| CDI |
0 |
134 |
64 |
564 |
1820 |
3113 |
963 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
368 |
5427 |
18793 |
6409 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13262 |
3331 |
57 |
110 |
26 |
0 |
0 |
0 |
| OW |
23 |
1548 |
162 |
471 |
59 |
7 |
0 |
0 |
| VODI |
0 |
690 |
204 |
635 |
239 |
85 |
18 |
0 |
| ODI |
0 |
356 |
116 |
453 |
362 |
167 |
109 |
0 |
| CDI |
0 |
371 |
102 |
757 |
1765 |
2087 |
1612 |
10 |
| VCDI |
0 |
3 |
8 |
172 |
943 |
6397 |
18115 |
6399 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14069 |
2834 |
32 |
113 |
29 |
1 |
0 |
0 |
| OW |
70 |
1410 |
148 |
395 |
82 |
28 |
0 |
0 |
| VODI |
11 |
905 |
186 |
513 |
169 |
155 |
10 |
0 |
| ODI |
2 |
426 |
84 |
411 |
343 |
202 |
67 |
3 |
| CDI |
0 |
492 |
124 |
821 |
1551 |
2198 |
1451 |
38 |
| VCDI |
0 |
10 |
20 |
172 |
1074 |
7378 |
15756 |
7448 |
|
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