Validation of sea ice concentration - American sector
Bulletin date: 2023-06-15
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-09:
| 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 |
2168 |
442 |
1196 |
240 |
0 |
0 |
0 |
| OW |
0 |
73 |
51 |
495 |
394 |
12 |
0 |
0 |
| VODI |
0 |
33 |
14 |
408 |
854 |
95 |
0 |
0 |
| ODI |
0 |
22 |
11 |
154 |
1092 |
260 |
5 |
0 |
| CDI |
0 |
35 |
20 |
88 |
1718 |
2687 |
685 |
28 |
| VCDI |
0 |
3 |
11 |
61 |
431 |
1922 |
16286 |
13872 |
|
...date precedes bulletin
|
Date: 2023-06-11:
| 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 |
2333 |
487 |
1349 |
306 |
0 |
0 |
0 |
| OW |
0 |
162 |
45 |
500 |
465 |
29 |
0 |
0 |
| VODI |
0 |
67 |
58 |
354 |
924 |
167 |
6 |
0 |
| ODI |
0 |
49 |
22 |
171 |
948 |
486 |
40 |
0 |
| CDI |
0 |
55 |
27 |
101 |
1265 |
2512 |
622 |
11 |
| VCDI |
0 |
36 |
17 |
88 |
171 |
1617 |
13982 |
16394 |
|
...date precedes bulletin
|
Date: 2023-06-13:
| 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 |
3402 |
601 |
1307 |
390 |
138 |
0 |
0 |
| OW |
0 |
66 |
35 |
618 |
451 |
169 |
0 |
0 |
| VODI |
0 |
39 |
16 |
411 |
1105 |
263 |
0 |
0 |
| ODI |
0 |
31 |
37 |
111 |
1609 |
661 |
10 |
0 |
| CDI |
0 |
3 |
3 |
82 |
512 |
1563 |
241 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
102 |
3629 |
18925 |
9317 |
|
...date precedes bulletin
|
Date: 2023-06-15:
| 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 |
27 |
4070 |
524 |
1203 |
508 |
472 |
0 |
0 |
| OW |
0 |
86 |
55 |
549 |
507 |
243 |
0 |
0 |
| VODI |
0 |
40 |
10 |
273 |
937 |
596 |
5 |
0 |
| ODI |
0 |
31 |
28 |
102 |
781 |
1000 |
33 |
0 |
| CDI |
0 |
10 |
11 |
141 |
593 |
1309 |
479 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
834 |
3601 |
13452 |
13341 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
27 |
4079 |
533 |
1251 |
569 |
482 |
0 |
0 |
| OW |
0 |
68 |
47 |
497 |
457 |
247 |
0 |
0 |
| VODI |
0 |
47 |
9 |
288 |
1005 |
651 |
9 |
0 |
| ODI |
0 |
30 |
27 |
98 |
721 |
929 |
32 |
0 |
| CDI |
0 |
13 |
12 |
135 |
571 |
1254 |
558 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
837 |
3658 |
13370 |
13341 |
|
Date: 2023-06-17:
| 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 |
53 |
4361 |
567 |
1247 |
1135 |
0 |
0 |
0 |
| OW |
0 |
105 |
88 |
620 |
827 |
19 |
0 |
0 |
| VODI |
0 |
32 |
24 |
408 |
1327 |
116 |
3 |
0 |
| ODI |
0 |
23 |
33 |
103 |
1251 |
144 |
22 |
0 |
| CDI |
0 |
13 |
24 |
157 |
873 |
1520 |
907 |
0 |
| VCDI |
0 |
0 |
0 |
69 |
1275 |
3140 |
11840 |
13540 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53 |
4375 |
577 |
1314 |
1222 |
5 |
0 |
0 |
| OW |
0 |
87 |
77 |
578 |
770 |
16 |
0 |
0 |
| VODI |
0 |
36 |
26 |
384 |
1424 |
140 |
2 |
0 |
| ODI |
0 |
24 |
32 |
103 |
1147 |
144 |
19 |
0 |
| CDI |
0 |
12 |
24 |
157 |
836 |
1391 |
801 |
0 |
| VCDI |
0 |
0 |
0 |
68 |
1289 |
3243 |
11950 |
13540 |
|
Date: 2023-06-19:
| 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 |
62 |
4862 |
564 |
1512 |
858 |
0 |
0 |
0 |
| OW |
1 |
85 |
86 |
708 |
456 |
10 |
0 |
0 |
| VODI |
0 |
24 |
42 |
721 |
1251 |
4 |
3 |
0 |
| ODI |
0 |
3 |
9 |
149 |
1945 |
56 |
14 |
0 |
| CDI |
0 |
0 |
0 |
30 |
868 |
3836 |
289 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
961 |
4003 |
9691 |
12763 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62 |
4685 |
537 |
1741 |
1221 |
6 |
0 |
0 |
| OW |
1 |
129 |
56 |
630 |
866 |
11 |
0 |
0 |
| VODI |
0 |
75 |
39 |
433 |
1253 |
18 |
7 |
0 |
| ODI |
0 |
54 |
26 |
123 |
864 |
42 |
42 |
0 |
| CDI |
0 |
31 |
43 |
173 |
1016 |
2033 |
383 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
1119 |
5799 |
9565 |
12763 |
|
Date: 2023-06-21:
| 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 |
2 |
5320 |
588 |
2012 |
847 |
2 |
0 |
0 |
| OW |
1 |
72 |
74 |
912 |
634 |
13 |
0 |
0 |
| VODI |
0 |
5 |
22 |
567 |
1326 |
24 |
9 |
0 |
| ODI |
0 |
6 |
8 |
116 |
998 |
171 |
20 |
0 |
| CDI |
0 |
3 |
4 |
45 |
1094 |
4217 |
528 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1201 |
5662 |
6375 |
12988 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2 |
5023 |
489 |
2192 |
1263 |
19 |
0 |
0 |
| OW |
1 |
160 |
65 |
705 |
814 |
13 |
3 |
0 |
| VODI |
0 |
99 |
56 |
375 |
842 |
32 |
24 |
0 |
| ODI |
0 |
64 |
36 |
163 |
570 |
90 |
40 |
0 |
| CDI |
0 |
60 |
50 |
212 |
1142 |
2911 |
515 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
1469 |
7024 |
6350 |
12988 |
|
Date: 2023-06-23:
| 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 |
86 |
5831 |
675 |
2467 |
383 |
13 |
0 |
0 |
| OW |
2 |
110 |
74 |
1165 |
479 |
16 |
8 |
0 |
| VODI |
0 |
26 |
24 |
479 |
1172 |
46 |
28 |
0 |
| ODI |
0 |
13 |
12 |
94 |
549 |
146 |
66 |
1 |
| CDI |
0 |
2 |
3 |
72 |
1037 |
4150 |
1102 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
672 |
6039 |
6198 |
12623 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86 |
5522 |
550 |
3006 |
751 |
31 |
8 |
0 |
| OW |
2 |
200 |
77 |
524 |
567 |
8 |
15 |
0 |
| VODI |
0 |
147 |
72 |
365 |
606 |
44 |
30 |
0 |
| ODI |
0 |
82 |
38 |
156 |
429 |
141 |
75 |
1 |
| CDI |
0 |
31 |
50 |
221 |
1138 |
3168 |
873 |
0 |
| VCDI |
0 |
0 |
1 |
8 |
801 |
7018 |
6401 |
12623 |
|
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