Validation of sea ice concentration - Full domain
Bulletin date: 2023-01-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-30:
| 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 |
62628 |
22563 |
4380 |
370 |
202 |
355 |
59 |
0 |
| OW |
109 |
777 |
210 |
174 |
105 |
109 |
17 |
0 |
| VODI |
3 |
429 |
258 |
359 |
283 |
129 |
15 |
0 |
| ODI |
0 |
161 |
169 |
345 |
452 |
287 |
19 |
0 |
| CDI |
0 |
75 |
104 |
285 |
674 |
784 |
183 |
18 |
| VCDI |
0 |
40 |
236 |
393 |
1254 |
7069 |
33200 |
47766 |
|
...date precedes bulletin
|
Date: 2023-01-01:
| 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 |
55779 |
25365 |
7874 |
413 |
236 |
323 |
61 |
0 |
| OW |
67 |
936 |
174 |
250 |
127 |
114 |
21 |
0 |
| VODI |
0 |
660 |
171 |
275 |
298 |
142 |
35 |
0 |
| ODI |
0 |
298 |
129 |
234 |
393 |
238 |
38 |
0 |
| CDI |
0 |
201 |
88 |
227 |
683 |
692 |
194 |
8 |
| VCDI |
0 |
298 |
338 |
562 |
1594 |
6365 |
32003 |
49144 |
|
...date precedes bulletin
|
Date: 2023-01-03:
| 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 |
60748 |
23839 |
4580 |
464 |
190 |
186 |
3 |
0 |
| OW |
104 |
450 |
288 |
239 |
160 |
72 |
39 |
0 |
| VODI |
4 |
314 |
221 |
347 |
278 |
116 |
63 |
0 |
| ODI |
0 |
213 |
159 |
265 |
334 |
241 |
44 |
0 |
| CDI |
0 |
97 |
131 |
333 |
448 |
769 |
173 |
9 |
| VCDI |
0 |
124 |
192 |
698 |
1340 |
4741 |
33046 |
50986 |
|
...date precedes bulletin
|
Date: 2023-01-05:
| 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 |
59980 |
21493 |
7222 |
391 |
169 |
117 |
74 |
0 |
| OW |
60 |
500 |
411 |
226 |
96 |
25 |
25 |
0 |
| VODI |
0 |
281 |
275 |
451 |
223 |
103 |
81 |
0 |
| ODI |
0 |
180 |
181 |
302 |
270 |
201 |
51 |
0 |
| CDI |
0 |
128 |
135 |
397 |
395 |
610 |
194 |
15 |
| VCDI |
0 |
158 |
184 |
504 |
1195 |
5659 |
32497 |
51589 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59980 |
21585 |
7248 |
385 |
168 |
116 |
80 |
0 |
| OW |
60 |
396 |
388 |
242 |
93 |
34 |
30 |
0 |
| VODI |
0 |
277 |
282 |
404 |
228 |
97 |
84 |
0 |
| ODI |
0 |
188 |
171 |
324 |
266 |
203 |
47 |
0 |
| CDI |
0 |
122 |
128 |
368 |
409 |
645 |
195 |
15 |
| VCDI |
0 |
172 |
191 |
548 |
1184 |
5620 |
32486 |
51589 |
|
Date: 2023-01-07:
| 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 |
63643 |
23115 |
1763 |
329 |
136 |
109 |
69 |
0 |
| OW |
73 |
563 |
255 |
291 |
71 |
29 |
8 |
0 |
| VODI |
0 |
331 |
206 |
361 |
268 |
135 |
62 |
0 |
| ODI |
0 |
153 |
149 |
247 |
208 |
262 |
114 |
0 |
| CDI |
0 |
113 |
126 |
368 |
462 |
454 |
212 |
8 |
| VCDI |
0 |
68 |
114 |
508 |
1060 |
4779 |
26203 |
59623 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63643 |
23229 |
1778 |
335 |
142 |
119 |
70 |
0 |
| OW |
73 |
443 |
262 |
293 |
105 |
27 |
11 |
0 |
| VODI |
0 |
315 |
171 |
335 |
201 |
130 |
75 |
0 |
| ODI |
0 |
161 |
147 |
251 |
199 |
236 |
107 |
0 |
| CDI |
0 |
120 |
132 |
368 |
452 |
517 |
219 |
13 |
| VCDI |
0 |
75 |
123 |
522 |
1106 |
4739 |
26186 |
59618 |
|
Date: 2023-01-09:
| 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 |
59995 |
23960 |
5146 |
233 |
95 |
74 |
92 |
0 |
| OW |
60 |
312 |
390 |
321 |
83 |
22 |
20 |
0 |
| VODI |
0 |
201 |
271 |
583 |
223 |
35 |
26 |
0 |
| ODI |
0 |
74 |
91 |
313 |
438 |
75 |
32 |
0 |
| CDI |
0 |
62 |
94 |
361 |
521 |
662 |
128 |
4 |
| VCDI |
0 |
25 |
37 |
222 |
794 |
4084 |
26470 |
60419 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59990 |
23209 |
4961 |
313 |
151 |
105 |
123 |
0 |
| OW |
65 |
685 |
336 |
235 |
85 |
26 |
30 |
0 |
| VODI |
0 |
328 |
296 |
275 |
182 |
74 |
79 |
0 |
| ODI |
0 |
165 |
175 |
266 |
137 |
137 |
148 |
0 |
| CDI |
0 |
132 |
129 |
359 |
327 |
372 |
226 |
6 |
| VCDI |
0 |
115 |
132 |
585 |
1272 |
4238 |
26162 |
60417 |
|
Date: 2023-01-11:
| 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 |
59404 |
25209 |
4273 |
203 |
93 |
81 |
79 |
0 |
| OW |
75 |
511 |
375 |
193 |
50 |
24 |
28 |
0 |
| VODI |
0 |
329 |
311 |
355 |
185 |
48 |
21 |
0 |
| ODI |
0 |
95 |
152 |
276 |
299 |
74 |
22 |
0 |
| CDI |
0 |
60 |
122 |
210 |
352 |
294 |
157 |
0 |
| VCDI |
0 |
22 |
193 |
498 |
1095 |
5497 |
35973 |
49810 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59384 |
24629 |
4123 |
200 |
128 |
111 |
121 |
0 |
| OW |
90 |
828 |
330 |
212 |
65 |
39 |
20 |
0 |
| VODI |
5 |
384 |
317 |
263 |
210 |
87 |
65 |
0 |
| ODI |
0 |
164 |
196 |
238 |
151 |
133 |
109 |
0 |
| CDI |
0 |
121 |
173 |
205 |
325 |
361 |
179 |
0 |
| VCDI |
0 |
100 |
287 |
617 |
1195 |
5287 |
35786 |
49810 |
|
Date: 2023-01-13:
| 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 |
57885 |
23009 |
7250 |
248 |
102 |
63 |
54 |
0 |
| OW |
79 |
614 |
407 |
182 |
74 |
39 |
31 |
0 |
| VODI |
1 |
414 |
380 |
326 |
178 |
57 |
13 |
0 |
| ODI |
0 |
105 |
189 |
296 |
248 |
101 |
33 |
0 |
| CDI |
0 |
64 |
106 |
269 |
340 |
310 |
153 |
0 |
| VCDI |
0 |
49 |
207 |
627 |
1201 |
5749 |
38905 |
46690 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57875 |
22704 |
7106 |
303 |
133 |
126 |
105 |
0 |
| OW |
87 |
716 |
513 |
201 |
96 |
47 |
14 |
0 |
| VODI |
3 |
448 |
378 |
302 |
259 |
75 |
67 |
0 |
| ODI |
0 |
165 |
164 |
210 |
189 |
99 |
130 |
0 |
| CDI |
0 |
90 |
105 |
219 |
293 |
301 |
306 |
11 |
| VCDI |
0 |
132 |
273 |
713 |
1173 |
5671 |
38567 |
46679 |
|
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