Validation of sea ice concentration - Full domain
Bulletin date: 2022-04-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-08:
| 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 |
64383 |
17350 |
1235 |
804 |
331 |
93 |
101 |
0 |
| OW |
61 |
287 |
194 |
384 |
267 |
108 |
63 |
0 |
| VODI |
0 |
134 |
171 |
314 |
456 |
200 |
111 |
0 |
| ODI |
0 |
34 |
70 |
232 |
418 |
483 |
153 |
0 |
| CDI |
0 |
6 |
37 |
204 |
585 |
994 |
684 |
27 |
| VCDI |
0 |
0 |
5 |
185 |
1214 |
4586 |
36055 |
54029 |
|
...date precedes bulletin
|
Date: 2022-04-10:
| 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 |
59459 |
21617 |
1939 |
831 |
316 |
112 |
120 |
0 |
| OW |
52 |
342 |
177 |
402 |
232 |
102 |
74 |
0 |
| VODI |
0 |
162 |
155 |
351 |
430 |
231 |
113 |
0 |
| ODI |
0 |
34 |
103 |
248 |
378 |
490 |
148 |
0 |
| CDI |
0 |
6 |
38 |
250 |
766 |
949 |
596 |
19 |
| VCDI |
0 |
2 |
3 |
119 |
856 |
4198 |
32505 |
58123 |
|
...date precedes bulletin
|
Date: 2022-04-12:
| 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 |
62855 |
19011 |
1823 |
833 |
317 |
74 |
67 |
0 |
| OW |
61 |
309 |
205 |
361 |
238 |
72 |
36 |
0 |
| VODI |
0 |
161 |
191 |
325 |
478 |
151 |
41 |
0 |
| ODI |
0 |
33 |
78 |
275 |
591 |
453 |
119 |
0 |
| CDI |
0 |
8 |
37 |
189 |
813 |
1147 |
920 |
0 |
| VCDI |
0 |
3 |
10 |
127 |
696 |
5000 |
30196 |
58744 |
|
...date precedes bulletin
|
Date: 2022-04-14:
| 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 |
64577 |
17065 |
2124 |
768 |
323 |
98 |
40 |
0 |
| OW |
61 |
225 |
207 |
461 |
243 |
93 |
20 |
0 |
| VODI |
0 |
80 |
126 |
455 |
485 |
222 |
41 |
0 |
| ODI |
0 |
18 |
43 |
301 |
599 |
428 |
148 |
0 |
| CDI |
0 |
1 |
13 |
235 |
784 |
1297 |
868 |
3 |
| VCDI |
0 |
1 |
14 |
212 |
824 |
4722 |
33136 |
55687 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64577 |
17091 |
2135 |
800 |
316 |
94 |
39 |
0 |
| OW |
61 |
198 |
191 |
429 |
251 |
106 |
19 |
0 |
| VODI |
0 |
75 |
129 |
432 |
475 |
191 |
45 |
0 |
| ODI |
0 |
24 |
48 |
323 |
598 |
438 |
139 |
0 |
| CDI |
0 |
1 |
9 |
241 |
776 |
1277 |
941 |
3 |
| VCDI |
0 |
1 |
15 |
207 |
842 |
4754 |
33070 |
55687 |
|
Date: 2022-04-16:
| 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 |
63260 |
18760 |
1602 |
806 |
340 |
147 |
46 |
0 |
| OW |
66 |
271 |
233 |
357 |
293 |
108 |
17 |
0 |
| VODI |
0 |
91 |
145 |
345 |
526 |
309 |
39 |
0 |
| ODI |
0 |
24 |
38 |
221 |
549 |
592 |
160 |
0 |
| CDI |
0 |
3 |
10 |
171 |
916 |
1245 |
635 |
5 |
| VCDI |
0 |
2 |
18 |
146 |
825 |
4994 |
36493 |
52240 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63262 |
18788 |
1632 |
858 |
354 |
136 |
44 |
0 |
| OW |
64 |
246 |
220 |
307 |
295 |
119 |
18 |
0 |
| VODI |
0 |
90 |
130 |
359 |
508 |
357 |
42 |
0 |
| ODI |
0 |
21 |
36 |
214 |
587 |
538 |
160 |
0 |
| CDI |
0 |
3 |
8 |
154 |
878 |
1198 |
604 |
2 |
| VCDI |
0 |
3 |
20 |
154 |
827 |
5047 |
36522 |
52243 |
|
Date: 2022-04-18:
| 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 |
59421 |
23052 |
1243 |
629 |
215 |
82 |
63 |
0 |
| OW |
68 |
341 |
325 |
398 |
229 |
60 |
13 |
0 |
| VODI |
0 |
85 |
155 |
537 |
487 |
199 |
41 |
0 |
| ODI |
0 |
6 |
25 |
209 |
969 |
566 |
97 |
0 |
| CDI |
0 |
3 |
12 |
114 |
670 |
1658 |
649 |
12 |
| VCDI |
0 |
1 |
4 |
104 |
610 |
4486 |
36969 |
52241 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59431 |
23054 |
1360 |
793 |
306 |
130 |
75 |
0 |
| OW |
58 |
276 |
187 |
333 |
285 |
81 |
22 |
0 |
| VODI |
0 |
129 |
147 |
354 |
534 |
287 |
73 |
0 |
| ODI |
0 |
22 |
46 |
219 |
508 |
424 |
154 |
0 |
| CDI |
0 |
4 |
16 |
139 |
648 |
1118 |
579 |
20 |
| VCDI |
0 |
3 |
8 |
153 |
899 |
5011 |
36929 |
52233 |
|
Date: 2022-04-20:
| 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 |
62856 |
19457 |
1601 |
580 |
206 |
49 |
48 |
0 |
| OW |
67 |
333 |
253 |
428 |
192 |
92 |
20 |
0 |
| VODI |
0 |
122 |
183 |
427 |
515 |
247 |
50 |
0 |
| ODI |
0 |
17 |
39 |
209 |
547 |
428 |
136 |
0 |
| CDI |
0 |
4 |
15 |
131 |
600 |
1631 |
696 |
3 |
| VCDI |
0 |
1 |
3 |
74 |
685 |
5808 |
35257 |
53038 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62862 |
19367 |
1638 |
733 |
290 |
99 |
68 |
0 |
| OW |
61 |
326 |
177 |
329 |
266 |
118 |
27 |
0 |
| VODI |
0 |
174 |
150 |
327 |
504 |
294 |
100 |
0 |
| ODI |
0 |
55 |
75 |
181 |
420 |
463 |
193 |
0 |
| CDI |
0 |
10 |
45 |
134 |
509 |
1250 |
632 |
5 |
| VCDI |
0 |
2 |
9 |
145 |
756 |
6031 |
35187 |
53036 |
|
Date: 2022-04-22:
| 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 |
64495 |
18346 |
993 |
764 |
289 |
70 |
39 |
0 |
| OW |
53 |
285 |
218 |
459 |
450 |
111 |
6 |
0 |
| VODI |
0 |
109 |
107 |
387 |
596 |
302 |
74 |
0 |
| ODI |
0 |
15 |
44 |
130 |
455 |
532 |
109 |
0 |
| CDI |
0 |
7 |
22 |
110 |
562 |
1613 |
624 |
0 |
| VCDI |
0 |
0 |
4 |
76 |
796 |
5735 |
35158 |
52903 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64495 |
18267 |
988 |
957 |
401 |
123 |
50 |
0 |
| OW |
53 |
290 |
134 |
282 |
291 |
144 |
27 |
0 |
| VODI |
0 |
163 |
130 |
275 |
559 |
313 |
97 |
0 |
| ODI |
0 |
34 |
81 |
150 |
393 |
586 |
161 |
0 |
| CDI |
0 |
8 |
52 |
158 |
526 |
1275 |
730 |
5 |
| VCDI |
0 |
0 |
3 |
104 |
978 |
5922 |
34945 |
52898 |
|
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