Validation of sea ice concentration - Full domain
Bulletin date: 2023-02-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-03:
| 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 |
58057 |
24260 |
3703 |
672 |
177 |
23 |
14 |
0 |
| OW |
60 |
262 |
240 |
281 |
231 |
51 |
5 |
0 |
| VODI |
0 |
176 |
174 |
305 |
277 |
157 |
1 |
0 |
| ODI |
0 |
97 |
71 |
168 |
301 |
245 |
12 |
0 |
| CDI |
0 |
59 |
89 |
144 |
385 |
598 |
141 |
5 |
| VCDI |
0 |
6 |
99 |
407 |
1118 |
4800 |
33194 |
55983 |
|
...date precedes bulletin
|
Date: 2023-02-05:
| 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 |
52273 |
26781 |
7228 |
460 |
171 |
46 |
19 |
0 |
| OW |
51 |
444 |
267 |
231 |
129 |
55 |
4 |
0 |
| VODI |
0 |
256 |
170 |
383 |
186 |
132 |
13 |
0 |
| ODI |
0 |
134 |
93 |
239 |
226 |
218 |
37 |
0 |
| CDI |
0 |
54 |
98 |
140 |
408 |
420 |
214 |
0 |
| VCDI |
0 |
3 |
85 |
277 |
741 |
5547 |
36588 |
52227 |
|
...date precedes bulletin
|
Date: 2023-02-07:
| 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 |
51939 |
25086 |
9219 |
708 |
163 |
37 |
18 |
0 |
| OW |
73 |
193 |
419 |
363 |
158 |
12 |
2 |
0 |
| VODI |
0 |
80 |
276 |
433 |
297 |
49 |
8 |
0 |
| ODI |
0 |
28 |
146 |
251 |
392 |
129 |
25 |
0 |
| CDI |
0 |
16 |
112 |
215 |
427 |
523 |
205 |
0 |
| VCDI |
0 |
22 |
143 |
505 |
1266 |
6841 |
33091 |
53178 |
|
...date precedes bulletin
|
Date: 2023-02-09:
| 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 |
54629 |
22571 |
8725 |
637 |
140 |
28 |
1 |
0 |
| OW |
52 |
458 |
278 |
264 |
185 |
22 |
0 |
0 |
| VODI |
0 |
227 |
312 |
324 |
285 |
73 |
7 |
0 |
| ODI |
0 |
94 |
155 |
277 |
345 |
142 |
40 |
0 |
| CDI |
0 |
56 |
144 |
255 |
569 |
478 |
243 |
0 |
| VCDI |
0 |
67 |
605 |
904 |
1702 |
8110 |
28379 |
55265 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54628 |
22601 |
8756 |
639 |
148 |
29 |
1 |
0 |
| OW |
53 |
447 |
262 |
263 |
184 |
16 |
0 |
0 |
| VODI |
0 |
216 |
286 |
338 |
274 |
78 |
8 |
0 |
| ODI |
0 |
86 |
153 |
266 |
343 |
147 |
37 |
0 |
| CDI |
0 |
55 |
147 |
263 |
557 |
476 |
226 |
0 |
| VCDI |
0 |
68 |
615 |
892 |
1720 |
8107 |
28398 |
55265 |
|
Date: 2023-02-11:
| 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 |
55205 |
27718 |
3013 |
540 |
154 |
14 |
0 |
0 |
| OW |
51 |
488 |
174 |
271 |
195 |
40 |
1 |
0 |
| VODI |
0 |
356 |
194 |
299 |
292 |
95 |
7 |
0 |
| ODI |
0 |
163 |
122 |
232 |
300 |
140 |
25 |
0 |
| CDI |
0 |
125 |
129 |
215 |
405 |
472 |
168 |
0 |
| VCDI |
0 |
363 |
803 |
863 |
1682 |
7850 |
32565 |
51319 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55205 |
27718 |
3030 |
543 |
175 |
12 |
0 |
0 |
| OW |
51 |
480 |
176 |
277 |
174 |
36 |
1 |
0 |
| VODI |
0 |
354 |
198 |
315 |
283 |
105 |
9 |
0 |
| ODI |
0 |
164 |
107 |
235 |
317 |
139 |
29 |
0 |
| CDI |
0 |
120 |
124 |
197 |
368 |
446 |
184 |
0 |
| VCDI |
0 |
377 |
800 |
853 |
1711 |
7873 |
32543 |
51319 |
|
Date: 2023-02-13:
| 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 |
54427 |
25996 |
5336 |
679 |
137 |
23 |
0 |
0 |
| OW |
51 |
392 |
274 |
384 |
157 |
26 |
0 |
0 |
| VODI |
0 |
194 |
187 |
469 |
367 |
74 |
5 |
0 |
| ODI |
0 |
74 |
114 |
415 |
430 |
231 |
32 |
0 |
| CDI |
0 |
103 |
88 |
268 |
452 |
591 |
198 |
0 |
| VCDI |
0 |
280 |
223 |
678 |
1355 |
6311 |
33753 |
52274 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54426 |
25615 |
5373 |
725 |
178 |
29 |
0 |
0 |
| OW |
52 |
391 |
162 |
318 |
182 |
30 |
3 |
0 |
| VODI |
0 |
323 |
142 |
332 |
283 |
96 |
18 |
0 |
| ODI |
0 |
155 |
86 |
272 |
330 |
193 |
42 |
0 |
| CDI |
0 |
103 |
106 |
206 |
335 |
405 |
182 |
0 |
| VCDI |
0 |
452 |
353 |
1040 |
1590 |
6503 |
33743 |
52274 |
|
Date: 2023-02-15:
| 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 |
56547 |
24608 |
4475 |
608 |
151 |
33 |
4 |
0 |
| OW |
51 |
377 |
332 |
347 |
158 |
30 |
5 |
0 |
| VODI |
0 |
138 |
233 |
439 |
307 |
96 |
14 |
0 |
| ODI |
0 |
45 |
123 |
265 |
352 |
201 |
44 |
0 |
| CDI |
0 |
26 |
94 |
259 |
472 |
644 |
247 |
0 |
| VCDI |
0 |
73 |
260 |
566 |
1354 |
5316 |
33394 |
54360 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56546 |
24232 |
4457 |
649 |
189 |
39 |
5 |
0 |
| OW |
52 |
452 |
176 |
274 |
156 |
38 |
8 |
0 |
| VODI |
0 |
280 |
214 |
261 |
231 |
103 |
30 |
0 |
| ODI |
0 |
102 |
135 |
224 |
299 |
208 |
72 |
0 |
| CDI |
0 |
57 |
142 |
216 |
362 |
614 |
217 |
6 |
| VCDI |
0 |
144 |
393 |
860 |
1557 |
5318 |
33376 |
54354 |
|
Date: 2023-02-17:
| 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 |
58420 |
21106 |
5923 |
599 |
149 |
30 |
2 |
0 |
| OW |
51 |
351 |
280 |
325 |
163 |
21 |
7 |
0 |
| VODI |
0 |
229 |
244 |
376 |
337 |
74 |
11 |
0 |
| ODI |
0 |
85 |
145 |
322 |
388 |
168 |
39 |
0 |
| CDI |
0 |
50 |
88 |
279 |
444 |
592 |
165 |
8 |
| VCDI |
0 |
174 |
382 |
979 |
1662 |
5683 |
30843 |
55854 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58419 |
20784 |
5850 |
686 |
206 |
33 |
2 |
0 |
| OW |
52 |
422 |
241 |
239 |
182 |
34 |
7 |
0 |
| VODI |
0 |
301 |
212 |
244 |
267 |
91 |
37 |
0 |
| ODI |
0 |
170 |
142 |
255 |
296 |
145 |
46 |
0 |
| CDI |
0 |
89 |
151 |
301 |
443 |
604 |
168 |
28 |
| VCDI |
0 |
229 |
466 |
1155 |
1749 |
5661 |
30807 |
55834 |
|
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