Validation of sea ice concentration - Full domain
Bulletin date: 2022-01-20
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-01-14:
| 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 |
57564 |
24063 |
4805 |
475 |
150 |
86 |
196 |
0 |
| OW |
63 |
477 |
295 |
310 |
92 |
11 |
21 |
0 |
| VODI |
0 |
278 |
296 |
503 |
318 |
56 |
35 |
0 |
| ODI |
0 |
107 |
135 |
287 |
378 |
108 |
49 |
0 |
| CDI |
0 |
44 |
78 |
283 |
460 |
319 |
285 |
0 |
| VCDI |
0 |
20 |
61 |
320 |
1009 |
5217 |
29706 |
58088 |
|
...date precedes bulletin
|
Date: 2022-01-16:
| 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 |
54433 |
21612 |
9680 |
546 |
271 |
150 |
158 |
0 |
| OW |
51 |
335 |
432 |
258 |
190 |
59 |
22 |
0 |
| VODI |
0 |
261 |
331 |
328 |
281 |
128 |
28 |
0 |
| ODI |
0 |
139 |
184 |
245 |
271 |
200 |
44 |
0 |
| CDI |
0 |
104 |
67 |
221 |
419 |
413 |
210 |
15 |
| VCDI |
0 |
96 |
170 |
432 |
992 |
6033 |
29770 |
57469 |
|
...date precedes bulletin
|
Date: 2022-01-18:
| 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 |
56519 |
23201 |
5986 |
669 |
193 |
89 |
155 |
0 |
| OW |
51 |
297 |
285 |
368 |
171 |
54 |
26 |
0 |
| VODI |
0 |
169 |
176 |
365 |
330 |
149 |
44 |
0 |
| ODI |
0 |
70 |
77 |
248 |
398 |
342 |
77 |
0 |
| CDI |
0 |
39 |
54 |
104 |
529 |
597 |
259 |
2 |
| VCDI |
0 |
84 |
100 |
325 |
778 |
4716 |
30750 |
58202 |
|
...date precedes bulletin
|
Date: 2022-01-20:
| 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 |
55236 |
25030 |
5159 |
645 |
206 |
92 |
153 |
0 |
| OW |
51 |
364 |
213 |
351 |
197 |
35 |
31 |
0 |
| VODI |
0 |
197 |
186 |
369 |
303 |
120 |
73 |
0 |
| ODI |
0 |
76 |
102 |
213 |
364 |
283 |
79 |
0 |
| CDI |
0 |
49 |
80 |
167 |
461 |
717 |
282 |
19 |
| VCDI |
0 |
99 |
101 |
362 |
1070 |
5465 |
28470 |
59578 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55236 |
25076 |
5185 |
691 |
235 |
97 |
157 |
0 |
| OW |
51 |
326 |
205 |
321 |
181 |
42 |
29 |
0 |
| VODI |
0 |
185 |
168 |
350 |
295 |
123 |
72 |
0 |
| ODI |
0 |
73 |
95 |
211 |
357 |
239 |
75 |
0 |
| CDI |
0 |
49 |
85 |
166 |
468 |
702 |
258 |
19 |
| VCDI |
0 |
106 |
103 |
368 |
1065 |
5509 |
28497 |
59578 |
|
Date: 2022-01-22:
| 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 |
54909 |
23632 |
6265 |
839 |
317 |
132 |
112 |
0 |
| OW |
60 |
198 |
278 |
401 |
238 |
85 |
39 |
0 |
| VODI |
0 |
119 |
180 |
318 |
317 |
185 |
83 |
0 |
| ODI |
0 |
59 |
100 |
192 |
335 |
316 |
94 |
0 |
| CDI |
0 |
37 |
58 |
201 |
625 |
716 |
250 |
0 |
| VCDI |
0 |
47 |
67 |
242 |
1012 |
6184 |
31339 |
56467 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54909 |
23658 |
6340 |
901 |
347 |
145 |
117 |
0 |
| OW |
60 |
175 |
216 |
357 |
230 |
81 |
45 |
0 |
| VODI |
0 |
115 |
170 |
314 |
299 |
200 |
75 |
0 |
| ODI |
0 |
52 |
91 |
184 |
312 |
281 |
85 |
0 |
| CDI |
0 |
44 |
54 |
193 |
620 |
652 |
243 |
2 |
| VCDI |
0 |
48 |
77 |
244 |
1036 |
6259 |
31352 |
56465 |
|
Date: 2022-01-24:
| 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 |
55767 |
22183 |
7172 |
762 |
182 |
111 |
109 |
0 |
| OW |
60 |
271 |
312 |
414 |
161 |
33 |
9 |
0 |
| VODI |
0 |
176 |
247 |
397 |
351 |
90 |
20 |
0 |
| ODI |
0 |
82 |
164 |
272 |
551 |
173 |
58 |
0 |
| CDI |
0 |
48 |
127 |
275 |
840 |
779 |
343 |
12 |
| VCDI |
0 |
84 |
213 |
417 |
1453 |
6334 |
31258 |
54738 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55767 |
21872 |
6954 |
786 |
247 |
149 |
132 |
0 |
| OW |
60 |
361 |
324 |
326 |
205 |
53 |
27 |
0 |
| VODI |
0 |
225 |
225 |
355 |
299 |
134 |
83 |
0 |
| ODI |
0 |
144 |
142 |
209 |
419 |
172 |
94 |
0 |
| CDI |
0 |
103 |
138 |
193 |
646 |
644 |
250 |
9 |
| VCDI |
0 |
139 |
452 |
668 |
1722 |
6368 |
31211 |
54741 |
|
Date: 2022-01-26:
| 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 |
57083 |
23864 |
3696 |
778 |
266 |
93 |
117 |
0 |
| OW |
56 |
430 |
223 |
320 |
178 |
40 |
33 |
0 |
| VODI |
0 |
306 |
212 |
341 |
285 |
122 |
70 |
0 |
| ODI |
0 |
127 |
151 |
290 |
393 |
190 |
98 |
0 |
| CDI |
0 |
98 |
150 |
293 |
577 |
767 |
346 |
22 |
| VCDI |
0 |
299 |
409 |
701 |
1744 |
6901 |
35224 |
49755 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57082 |
23479 |
3617 |
758 |
322 |
124 |
174 |
0 |
| OW |
57 |
548 |
203 |
251 |
176 |
81 |
37 |
0 |
| VODI |
0 |
359 |
201 |
335 |
282 |
156 |
117 |
0 |
| ODI |
0 |
162 |
136 |
239 |
321 |
185 |
124 |
0 |
| CDI |
0 |
148 |
128 |
299 |
565 |
650 |
263 |
8 |
| VCDI |
0 |
428 |
556 |
841 |
1777 |
6917 |
35173 |
49769 |
|
Date: 2022-01-28:
| 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 |
60696 |
20724 |
2586 |
803 |
279 |
123 |
89 |
0 |
| OW |
61 |
336 |
244 |
342 |
200 |
71 |
33 |
0 |
| VODI |
0 |
251 |
156 |
396 |
364 |
123 |
74 |
0 |
| ODI |
0 |
134 |
122 |
347 |
486 |
178 |
111 |
0 |
| CDI |
0 |
135 |
106 |
331 |
786 |
573 |
472 |
9 |
| VCDI |
0 |
326 |
456 |
827 |
1980 |
6903 |
29196 |
55619 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60696 |
20412 |
2457 |
820 |
360 |
166 |
121 |
0 |
| OW |
61 |
425 |
257 |
233 |
223 |
63 |
47 |
0 |
| VODI |
0 |
311 |
197 |
425 |
326 |
174 |
103 |
0 |
| ODI |
0 |
185 |
104 |
291 |
439 |
191 |
128 |
0 |
| CDI |
0 |
134 |
108 |
276 |
644 |
545 |
335 |
14 |
| VCDI |
0 |
439 |
547 |
1001 |
2103 |
6832 |
29241 |
55614 |
|
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