Validation of sea ice concentration - Full domain
Bulletin date: 2022-01-06
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-12-31:
| 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 |
66853 |
18811 |
2340 |
552 |
348 |
382 |
119 |
0 |
| OW |
86 |
246 |
327 |
278 |
111 |
39 |
27 |
0 |
| VODI |
0 |
182 |
225 |
328 |
332 |
79 |
31 |
0 |
| ODI |
0 |
65 |
134 |
318 |
489 |
209 |
42 |
0 |
| CDI |
0 |
38 |
98 |
315 |
461 |
543 |
239 |
5 |
| VCDI |
0 |
19 |
115 |
337 |
689 |
3325 |
27852 |
60059 |
|
...date precedes bulletin
|
Date: 2022-01-02:
| 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 |
55800 |
26167 |
5444 |
697 |
252 |
411 |
168 |
0 |
| OW |
62 |
301 |
382 |
302 |
106 |
23 |
32 |
0 |
| VODI |
0 |
142 |
215 |
424 |
204 |
48 |
38 |
0 |
| ODI |
0 |
103 |
121 |
249 |
365 |
119 |
47 |
0 |
| CDI |
0 |
27 |
81 |
296 |
594 |
658 |
234 |
2 |
| VCDI |
0 |
21 |
137 |
466 |
1020 |
3617 |
28354 |
59319 |
|
...date precedes bulletin
|
Date: 2022-01-04:
| 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 |
55088 |
24617 |
7838 |
706 |
299 |
319 |
178 |
0 |
| OW |
66 |
345 |
230 |
266 |
136 |
20 |
60 |
0 |
| VODI |
0 |
182 |
193 |
321 |
261 |
36 |
34 |
0 |
| ODI |
0 |
68 |
113 |
214 |
356 |
90 |
42 |
0 |
| CDI |
0 |
25 |
108 |
249 |
580 |
518 |
245 |
17 |
| VCDI |
0 |
9 |
66 |
419 |
1276 |
4350 |
33692 |
53416 |
|
...date precedes bulletin
|
Date: 2022-01-06:
| 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 |
58054 |
23638 |
4747 |
1123 |
354 |
214 |
139 |
0 |
| OW |
63 |
430 |
243 |
233 |
181 |
52 |
53 |
0 |
| VODI |
0 |
260 |
223 |
244 |
220 |
116 |
39 |
0 |
| ODI |
0 |
70 |
166 |
204 |
252 |
172 |
46 |
0 |
| CDI |
0 |
18 |
124 |
245 |
498 |
506 |
228 |
0 |
| VCDI |
0 |
9 |
38 |
276 |
1336 |
4978 |
32873 |
54383 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58054 |
23669 |
4735 |
1148 |
359 |
223 |
145 |
0 |
| OW |
63 |
379 |
262 |
208 |
172 |
38 |
47 |
0 |
| VODI |
0 |
277 |
198 |
242 |
218 |
115 |
35 |
0 |
| ODI |
0 |
73 |
170 |
202 |
234 |
170 |
44 |
0 |
| CDI |
0 |
18 |
139 |
236 |
497 |
484 |
232 |
0 |
| VCDI |
0 |
9 |
37 |
289 |
1361 |
5008 |
32875 |
54383 |
|
Date: 2022-01-08:
| 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 |
58229 |
24098 |
4473 |
581 |
253 |
67 |
148 |
0 |
| OW |
63 |
534 |
204 |
255 |
151 |
62 |
36 |
0 |
| VODI |
0 |
331 |
166 |
248 |
221 |
118 |
46 |
0 |
| ODI |
0 |
140 |
142 |
179 |
202 |
168 |
72 |
0 |
| CDI |
0 |
77 |
98 |
249 |
328 |
480 |
265 |
0 |
| VCDI |
0 |
3 |
47 |
257 |
836 |
4926 |
37682 |
50613 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58229 |
24108 |
4465 |
578 |
256 |
78 |
149 |
0 |
| OW |
63 |
512 |
205 |
252 |
144 |
54 |
32 |
0 |
| VODI |
0 |
294 |
156 |
237 |
206 |
105 |
46 |
0 |
| ODI |
0 |
169 |
143 |
173 |
200 |
156 |
68 |
0 |
| CDI |
0 |
95 |
98 |
236 |
330 |
486 |
278 |
0 |
| VCDI |
0 |
5 |
63 |
293 |
855 |
4942 |
37676 |
50613 |
|
Date: 2022-01-10:
| 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 |
60907 |
22430 |
3802 |
563 |
214 |
50 |
93 |
0 |
| OW |
74 |
316 |
325 |
374 |
148 |
44 |
20 |
0 |
| VODI |
0 |
118 |
219 |
384 |
284 |
115 |
14 |
0 |
| ODI |
0 |
36 |
121 |
219 |
339 |
178 |
56 |
0 |
| CDI |
0 |
5 |
40 |
151 |
425 |
523 |
330 |
11 |
| VCDI |
0 |
0 |
5 |
102 |
720 |
5118 |
34589 |
53586 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60905 |
21876 |
3640 |
548 |
225 |
67 |
118 |
0 |
| OW |
76 |
534 |
274 |
246 |
143 |
66 |
12 |
0 |
| VODI |
0 |
341 |
202 |
291 |
221 |
131 |
26 |
0 |
| ODI |
0 |
110 |
167 |
241 |
236 |
145 |
112 |
0 |
| CDI |
0 |
41 |
176 |
254 |
355 |
388 |
311 |
4 |
| VCDI |
0 |
3 |
53 |
213 |
950 |
5231 |
34523 |
53593 |
|
Date: 2022-01-12:
| 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 |
53796 |
29186 |
4208 |
464 |
119 |
35 |
141 |
0 |
| OW |
63 |
657 |
250 |
301 |
114 |
12 |
12 |
0 |
| VODI |
0 |
261 |
251 |
341 |
274 |
53 |
12 |
0 |
| ODI |
0 |
94 |
125 |
264 |
261 |
167 |
33 |
0 |
| CDI |
0 |
27 |
46 |
213 |
361 |
373 |
252 |
0 |
| VCDI |
0 |
0 |
17 |
144 |
773 |
4831 |
32541 |
55976 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53795 |
28689 |
4112 |
416 |
128 |
48 |
159 |
0 |
| OW |
64 |
526 |
249 |
188 |
115 |
20 |
13 |
0 |
| VODI |
0 |
555 |
195 |
319 |
179 |
82 |
18 |
0 |
| ODI |
0 |
268 |
147 |
238 |
260 |
140 |
49 |
0 |
| CDI |
0 |
146 |
126 |
270 |
295 |
357 |
183 |
4 |
| VCDI |
0 |
41 |
68 |
296 |
925 |
4824 |
32569 |
55972 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57576 |
23677 |
4751 |
477 |
181 |
96 |
221 |
0 |
| OW |
51 |
552 |
213 |
182 |
67 |
15 |
22 |
0 |
| VODI |
0 |
414 |
219 |
306 |
155 |
58 |
48 |
0 |
| ODI |
0 |
188 |
203 |
319 |
316 |
84 |
37 |
0 |
| CDI |
0 |
97 |
154 |
339 |
528 |
207 |
138 |
31 |
| VCDI |
0 |
61 |
130 |
555 |
1160 |
5337 |
29826 |
58057 |
|
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