Validation of sea ice concentration - Full domain
Bulletin date: 2021-04-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-04-16:
| 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 |
70295 |
15088 |
189 |
1263 |
249 |
14 |
0 |
0 |
| OW |
73 |
395 |
62 |
608 |
365 |
24 |
0 |
0 |
| VODI |
0 |
187 |
39 |
567 |
720 |
62 |
1 |
0 |
| ODI |
0 |
72 |
10 |
235 |
742 |
243 |
67 |
0 |
| CDI |
0 |
32 |
9 |
219 |
920 |
1184 |
704 |
109 |
| VCDI |
0 |
30 |
11 |
241 |
1774 |
7340 |
23739 |
59166 |
|
...date precedes bulletin
|
Date: 2021-04-18:
| 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 |
71323 |
14333 |
188 |
1075 |
268 |
26 |
0 |
0 |
| OW |
73 |
434 |
47 |
607 |
378 |
18 |
0 |
0 |
| VODI |
0 |
257 |
42 |
450 |
665 |
92 |
12 |
0 |
| ODI |
0 |
94 |
13 |
180 |
607 |
346 |
33 |
7 |
| CDI |
0 |
51 |
8 |
198 |
942 |
1409 |
385 |
162 |
| VCDI |
0 |
30 |
2 |
187 |
1481 |
6954 |
24313 |
59358 |
|
...date precedes bulletin
|
Date: 2021-04-20:
| 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 |
71976 |
15001 |
219 |
913 |
232 |
24 |
0 |
0 |
| OW |
71 |
240 |
73 |
654 |
253 |
10 |
0 |
0 |
| VODI |
0 |
87 |
12 |
455 |
702 |
52 |
2 |
0 |
| ODI |
0 |
37 |
5 |
183 |
780 |
323 |
16 |
0 |
| CDI |
0 |
20 |
1 |
154 |
1147 |
1668 |
468 |
40 |
| VCDI |
0 |
3 |
1 |
167 |
939 |
6258 |
25252 |
58610 |
|
...date precedes bulletin
|
Date: 2021-04-22:
| 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 |
72711 |
14401 |
170 |
873 |
324 |
12 |
0 |
0 |
| OW |
71 |
400 |
88 |
455 |
368 |
28 |
0 |
0 |
| VODI |
0 |
135 |
33 |
403 |
651 |
139 |
8 |
0 |
| ODI |
0 |
58 |
8 |
195 |
651 |
279 |
74 |
0 |
| CDI |
0 |
30 |
4 |
167 |
980 |
1730 |
853 |
21 |
| VCDI |
0 |
45 |
6 |
112 |
1138 |
5843 |
28408 |
55176 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72711 |
14447 |
181 |
942 |
396 |
11 |
0 |
0 |
| OW |
71 |
354 |
75 |
370 |
337 |
30 |
0 |
0 |
| VODI |
0 |
138 |
34 |
417 |
626 |
163 |
22 |
0 |
| ODI |
0 |
59 |
8 |
191 |
650 |
273 |
85 |
0 |
| CDI |
0 |
31 |
5 |
183 |
955 |
1631 |
854 |
24 |
| VCDI |
0 |
40 |
6 |
102 |
1148 |
5923 |
28382 |
55173 |
|
Date: 2021-04-24:
| 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 |
72460 |
14224 |
190 |
970 |
466 |
47 |
0 |
0 |
| OW |
71 |
442 |
79 |
573 |
397 |
46 |
0 |
0 |
| VODI |
0 |
110 |
22 |
411 |
756 |
108 |
14 |
0 |
| ODI |
0 |
41 |
8 |
134 |
773 |
266 |
70 |
3 |
| CDI |
0 |
9 |
2 |
91 |
1058 |
2002 |
939 |
50 |
| VCDI |
0 |
27 |
4 |
90 |
1043 |
5659 |
26418 |
56975 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72460 |
14311 |
202 |
1069 |
563 |
46 |
0 |
0 |
| OW |
71 |
355 |
65 |
479 |
370 |
53 |
0 |
0 |
| VODI |
0 |
106 |
25 |
404 |
686 |
108 |
15 |
0 |
| ODI |
0 |
45 |
6 |
132 |
783 |
257 |
73 |
3 |
| CDI |
0 |
10 |
3 |
99 |
1079 |
1940 |
943 |
52 |
| VCDI |
0 |
26 |
4 |
86 |
1012 |
5724 |
26410 |
56973 |
|
Date: 2021-04-26:
| 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 |
71537 |
15096 |
181 |
935 |
360 |
59 |
0 |
0 |
| OW |
71 |
367 |
109 |
673 |
314 |
29 |
0 |
0 |
| VODI |
0 |
19 |
14 |
593 |
815 |
67 |
0 |
0 |
| ODI |
0 |
2 |
2 |
119 |
1260 |
256 |
17 |
0 |
| CDI |
0 |
2 |
2 |
45 |
1089 |
2435 |
593 |
14 |
| VCDI |
0 |
3 |
5 |
62 |
428 |
5413 |
28020 |
56042 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71537 |
15026 |
210 |
1209 |
610 |
74 |
0 |
0 |
| OW |
71 |
330 |
65 |
491 |
417 |
71 |
0 |
0 |
| VODI |
0 |
105 |
23 |
347 |
688 |
157 |
12 |
0 |
| ODI |
0 |
21 |
5 |
171 |
792 |
301 |
55 |
0 |
| CDI |
0 |
2 |
3 |
104 |
1029 |
1843 |
1269 |
47 |
| VCDI |
0 |
5 |
7 |
105 |
730 |
5813 |
27294 |
56009 |
|
Date: 2021-04-28:
| 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 |
71917 |
14536 |
200 |
1066 |
524 |
97 |
0 |
0 |
| OW |
71 |
184 |
69 |
626 |
538 |
51 |
0 |
0 |
| VODI |
0 |
23 |
11 |
445 |
901 |
86 |
0 |
0 |
| ODI |
0 |
3 |
2 |
125 |
930 |
369 |
39 |
0 |
| CDI |
0 |
0 |
0 |
42 |
1161 |
2549 |
977 |
78 |
| VCDI |
0 |
0 |
0 |
12 |
527 |
6323 |
26708 |
55858 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71917 |
14251 |
189 |
1167 |
868 |
141 |
0 |
0 |
| OW |
71 |
356 |
66 |
450 |
404 |
80 |
0 |
0 |
| VODI |
0 |
115 |
21 |
367 |
630 |
218 |
15 |
0 |
| ODI |
0 |
20 |
4 |
177 |
664 |
401 |
109 |
6 |
| CDI |
0 |
4 |
2 |
130 |
1134 |
2170 |
1198 |
205 |
| VCDI |
0 |
0 |
0 |
25 |
881 |
6465 |
26402 |
55725 |
|
Date: 2021-04-30:
| 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 |
71665 |
15018 |
171 |
971 |
561 |
84 |
0 |
0 |
| OW |
71 |
314 |
93 |
729 |
400 |
65 |
0 |
0 |
| VODI |
0 |
52 |
28 |
544 |
734 |
87 |
15 |
0 |
| ODI |
0 |
9 |
1 |
231 |
839 |
283 |
79 |
0 |
| CDI |
0 |
0 |
0 |
96 |
1429 |
2185 |
955 |
25 |
| VCDI |
0 |
0 |
0 |
22 |
770 |
7076 |
29467 |
51979 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71665 |
14711 |
184 |
1158 |
774 |
148 |
0 |
0 |
| OW |
71 |
473 |
52 |
389 |
355 |
66 |
13 |
0 |
| VODI |
0 |
180 |
44 |
436 |
580 |
126 |
38 |
0 |
| ODI |
0 |
28 |
12 |
306 |
652 |
344 |
235 |
24 |
| CDI |
0 |
1 |
1 |
231 |
1131 |
1611 |
1267 |
194 |
| VCDI |
0 |
0 |
0 |
73 |
1241 |
7485 |
28963 |
51786 |
|
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