Validation of sea ice concentration - Full domain
Bulletin date: 2021-09-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-09-17:
| 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 |
125254 |
18031 |
159 |
730 |
126 |
0 |
0 |
0 |
| OW |
0 |
1798 |
195 |
1498 |
234 |
0 |
0 |
0 |
| VODI |
0 |
327 |
80 |
2179 |
1359 |
30 |
0 |
0 |
| ODI |
0 |
74 |
9 |
328 |
1948 |
484 |
7 |
2 |
| CDI |
0 |
29 |
0 |
22 |
826 |
4444 |
903 |
97 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
6481 |
14394 |
4980 |
|
...date precedes bulletin
|
Date: 2021-09-19:
| 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 |
125623 |
16924 |
159 |
783 |
116 |
0 |
0 |
0 |
| OW |
0 |
1910 |
176 |
1742 |
253 |
0 |
0 |
0 |
| VODI |
0 |
377 |
97 |
1879 |
1570 |
30 |
2 |
0 |
| ODI |
0 |
121 |
10 |
310 |
1943 |
480 |
21 |
0 |
| CDI |
0 |
28 |
1 |
28 |
870 |
3719 |
866 |
7 |
| VCDI |
0 |
0 |
0 |
4 |
78 |
7242 |
14256 |
5423 |
|
...date precedes bulletin
|
Date: 2021-09-21:
| 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 |
123908 |
19126 |
212 |
833 |
55 |
0 |
0 |
0 |
| OW |
0 |
1075 |
188 |
1571 |
173 |
0 |
0 |
0 |
| VODI |
0 |
284 |
65 |
2408 |
1125 |
4 |
0 |
0 |
| ODI |
0 |
135 |
8 |
226 |
2442 |
144 |
13 |
0 |
| CDI |
0 |
0 |
0 |
26 |
1068 |
4166 |
260 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
8222 |
16394 |
2891 |
|
...date precedes bulletin
|
Date: 2021-09-23:
| 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 |
123885 |
18350 |
178 |
688 |
31 |
0 |
0 |
0 |
| OW |
0 |
1189 |
168 |
1865 |
194 |
0 |
0 |
0 |
| VODI |
0 |
372 |
72 |
2373 |
1168 |
4 |
0 |
0 |
| ODI |
0 |
148 |
16 |
423 |
2014 |
185 |
4 |
0 |
| CDI |
0 |
1 |
1 |
58 |
1090 |
2926 |
181 |
1 |
| VCDI |
0 |
0 |
0 |
2 |
196 |
9536 |
17813 |
1916 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123885 |
18550 |
208 |
1008 |
47 |
0 |
0 |
0 |
| OW |
0 |
964 |
133 |
1499 |
201 |
0 |
0 |
0 |
| VODI |
0 |
395 |
78 |
2349 |
1273 |
6 |
0 |
0 |
| ODI |
0 |
150 |
14 |
495 |
1983 |
400 |
6 |
0 |
| CDI |
0 |
1 |
2 |
50 |
983 |
2663 |
200 |
1 |
| VCDI |
0 |
0 |
0 |
8 |
206 |
9582 |
17792 |
1916 |
|
Date: 2021-09-25:
| 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 |
122358 |
19045 |
188 |
729 |
124 |
0 |
0 |
0 |
| OW |
0 |
1174 |
131 |
1370 |
674 |
58 |
0 |
0 |
| VODI |
0 |
439 |
56 |
983 |
2411 |
305 |
0 |
0 |
| ODI |
0 |
111 |
15 |
353 |
1613 |
651 |
2 |
0 |
| CDI |
0 |
8 |
7 |
113 |
869 |
2021 |
638 |
24 |
| VCDI |
0 |
0 |
0 |
14 |
208 |
4910 |
15650 |
9796 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122358 |
19391 |
212 |
949 |
218 |
0 |
0 |
0 |
| OW |
0 |
828 |
100 |
1043 |
618 |
28 |
0 |
0 |
| VODI |
0 |
439 |
63 |
1085 |
2374 |
310 |
0 |
0 |
| ODI |
0 |
110 |
16 |
347 |
1621 |
893 |
31 |
0 |
| CDI |
0 |
9 |
4 |
113 |
853 |
1685 |
720 |
51 |
| VCDI |
0 |
0 |
2 |
25 |
215 |
5029 |
15539 |
9769 |
|
Date: 2021-09-27:
| 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 |
121012 |
20519 |
176 |
518 |
42 |
0 |
0 |
0 |
| OW |
0 |
827 |
137 |
927 |
119 |
1 |
0 |
0 |
| VODI |
0 |
212 |
48 |
1249 |
1054 |
14 |
0 |
0 |
| ODI |
0 |
27 |
3 |
213 |
4259 |
398 |
0 |
0 |
| CDI |
0 |
10 |
8 |
67 |
781 |
3379 |
284 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
133 |
6447 |
15629 |
8539 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121012 |
19871 |
197 |
998 |
178 |
0 |
0 |
0 |
| OW |
0 |
984 |
81 |
724 |
638 |
21 |
0 |
0 |
| VODI |
0 |
475 |
58 |
698 |
2628 |
378 |
0 |
0 |
| ODI |
0 |
190 |
16 |
285 |
1754 |
957 |
0 |
0 |
| CDI |
0 |
56 |
12 |
224 |
726 |
2076 |
408 |
33 |
| VCDI |
0 |
19 |
8 |
45 |
464 |
6807 |
15505 |
8522 |
|
Date: 2021-09-29:
| 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 |
120169 |
20368 |
205 |
837 |
70 |
0 |
0 |
0 |
| OW |
0 |
835 |
104 |
1051 |
267 |
6 |
0 |
0 |
| VODI |
0 |
255 |
49 |
849 |
1258 |
79 |
1 |
0 |
| ODI |
0 |
56 |
17 |
248 |
2604 |
1475 |
12 |
0 |
| CDI |
0 |
22 |
9 |
121 |
817 |
2811 |
632 |
12 |
| VCDI |
0 |
0 |
0 |
23 |
283 |
3980 |
16546 |
10977 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120169 |
19750 |
200 |
1088 |
184 |
2 |
0 |
0 |
| OW |
0 |
967 |
75 |
788 |
634 |
12 |
0 |
0 |
| VODI |
0 |
481 |
56 |
672 |
1942 |
818 |
57 |
0 |
| ODI |
0 |
224 |
24 |
269 |
1205 |
1372 |
189 |
0 |
| CDI |
0 |
85 |
19 |
230 |
749 |
1959 |
641 |
21 |
| VCDI |
0 |
29 |
10 |
82 |
585 |
4188 |
16304 |
10968 |
|
Date: 2021-10-01:
| 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 |
120191 |
18900 |
179 |
758 |
249 |
0 |
0 |
0 |
| OW |
0 |
1236 |
104 |
877 |
506 |
76 |
0 |
0 |
| VODI |
0 |
273 |
59 |
736 |
1078 |
322 |
0 |
0 |
| ODI |
0 |
64 |
14 |
206 |
1211 |
2145 |
26 |
0 |
| CDI |
0 |
28 |
13 |
107 |
703 |
3168 |
943 |
15 |
| VCDI |
0 |
8 |
3 |
65 |
394 |
4418 |
16193 |
11780 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120173 |
18577 |
182 |
1008 |
535 |
85 |
0 |
0 |
| OW |
18 |
1078 |
80 |
564 |
664 |
237 |
0 |
0 |
| VODI |
0 |
483 |
56 |
553 |
940 |
1779 |
178 |
0 |
| ODI |
0 |
202 |
17 |
290 |
652 |
1781 |
501 |
0 |
| CDI |
0 |
126 |
18 |
160 |
677 |
1382 |
941 |
9 |
| VCDI |
0 |
43 |
19 |
174 |
673 |
4865 |
15542 |
11786 |
|
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