Validation of sea ice concentration - Full domain
Bulletin date: 2023-01-12
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-01-06:
| 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 |
58266 |
25362 |
4977 |
316 |
175 |
93 |
84 |
0 |
| OW |
71 |
616 |
236 |
268 |
93 |
35 |
17 |
0 |
| VODI |
0 |
375 |
200 |
342 |
264 |
167 |
81 |
0 |
| ODI |
0 |
200 |
137 |
185 |
274 |
254 |
70 |
0 |
| CDI |
0 |
129 |
131 |
300 |
452 |
566 |
183 |
8 |
| VCDI |
0 |
83 |
169 |
498 |
1113 |
5386 |
31501 |
53371 |
|
...date precedes bulletin
|
Date: 2023-01-08:
| 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 |
63858 |
20980 |
3364 |
366 |
188 |
79 |
109 |
0 |
| OW |
72 |
610 |
285 |
207 |
148 |
27 |
19 |
0 |
| VODI |
0 |
340 |
267 |
293 |
252 |
146 |
68 |
0 |
| ODI |
0 |
150 |
167 |
233 |
211 |
233 |
119 |
0 |
| CDI |
0 |
90 |
117 |
373 |
399 |
430 |
234 |
6 |
| VCDI |
0 |
71 |
147 |
500 |
1186 |
4593 |
25668 |
60443 |
|
...date precedes bulletin
|
Date: 2023-01-10:
| 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 |
55839 |
25210 |
7942 |
252 |
114 |
66 |
80 |
0 |
| OW |
61 |
433 |
408 |
224 |
55 |
25 |
20 |
0 |
| VODI |
0 |
255 |
335 |
441 |
168 |
55 |
17 |
0 |
| ODI |
0 |
91 |
131 |
274 |
349 |
64 |
19 |
0 |
| CDI |
0 |
58 |
121 |
279 |
386 |
336 |
163 |
3 |
| VCDI |
0 |
59 |
81 |
375 |
941 |
4327 |
29662 |
57329 |
|
...date precedes bulletin
|
Date: 2023-01-12:
| 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 |
56150 |
25191 |
7224 |
212 |
91 |
77 |
73 |
0 |
| OW |
65 |
595 |
385 |
164 |
75 |
23 |
40 |
0 |
| VODI |
1 |
375 |
295 |
352 |
171 |
61 |
25 |
0 |
| ODI |
0 |
120 |
144 |
297 |
255 |
86 |
31 |
0 |
| CDI |
0 |
78 |
85 |
241 |
320 |
329 |
188 |
0 |
| VCDI |
0 |
38 |
186 |
613 |
1199 |
5497 |
36099 |
49597 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56152 |
25183 |
7244 |
239 |
89 |
75 |
82 |
0 |
| OW |
64 |
591 |
364 |
151 |
89 |
32 |
31 |
0 |
| VODI |
0 |
359 |
264 |
310 |
142 |
56 |
25 |
0 |
| ODI |
0 |
140 |
165 |
284 |
235 |
88 |
30 |
0 |
| CDI |
0 |
81 |
94 |
262 |
328 |
307 |
180 |
0 |
| VCDI |
0 |
43 |
188 |
633 |
1228 |
5515 |
36108 |
49597 |
|
Date: 2023-01-14:
| 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 |
58145 |
22473 |
7020 |
431 |
81 |
70 |
49 |
0 |
| OW |
62 |
711 |
319 |
231 |
75 |
41 |
28 |
0 |
| VODI |
0 |
478 |
350 |
329 |
181 |
51 |
28 |
0 |
| ODI |
0 |
116 |
268 |
260 |
248 |
89 |
28 |
0 |
| CDI |
0 |
58 |
114 |
258 |
380 |
334 |
144 |
0 |
| VCDI |
0 |
83 |
217 |
644 |
1338 |
5734 |
40092 |
45490 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58142 |
22385 |
7024 |
450 |
93 |
79 |
63 |
0 |
| OW |
65 |
751 |
296 |
220 |
70 |
35 |
19 |
0 |
| VODI |
0 |
468 |
321 |
310 |
179 |
48 |
22 |
0 |
| ODI |
0 |
174 |
265 |
212 |
199 |
91 |
32 |
0 |
| CDI |
0 |
62 |
161 |
255 |
361 |
315 |
155 |
0 |
| VCDI |
0 |
79 |
221 |
706 |
1401 |
5751 |
40078 |
45490 |
|
Date: 2023-01-16:
| 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 |
54778 |
26356 |
6548 |
338 |
79 |
18 |
26 |
0 |
| OW |
63 |
415 |
448 |
340 |
91 |
22 |
8 |
0 |
| VODI |
0 |
208 |
352 |
537 |
310 |
70 |
17 |
0 |
| ODI |
0 |
115 |
124 |
354 |
419 |
146 |
18 |
0 |
| CDI |
0 |
76 |
82 |
199 |
471 |
379 |
89 |
3 |
| VCDI |
0 |
94 |
189 |
441 |
1351 |
6751 |
33368 |
51355 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54777 |
26159 |
6268 |
357 |
110 |
63 |
37 |
0 |
| OW |
64 |
382 |
406 |
210 |
109 |
43 |
29 |
0 |
| VODI |
0 |
303 |
461 |
376 |
204 |
74 |
31 |
0 |
| ODI |
0 |
145 |
178 |
299 |
283 |
88 |
39 |
0 |
| CDI |
0 |
121 |
140 |
247 |
325 |
275 |
149 |
7 |
| VCDI |
0 |
154 |
290 |
720 |
1690 |
6843 |
33241 |
51351 |
|
Date: 2023-01-18:
| 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 |
56619 |
24701 |
6020 |
549 |
64 |
38 |
26 |
0 |
| OW |
63 |
450 |
430 |
336 |
73 |
19 |
5 |
0 |
| VODI |
0 |
322 |
265 |
497 |
192 |
84 |
11 |
0 |
| ODI |
0 |
178 |
112 |
298 |
263 |
136 |
13 |
0 |
| CDI |
0 |
159 |
86 |
260 |
332 |
331 |
44 |
10 |
| VCDI |
0 |
140 |
379 |
596 |
1659 |
6713 |
31955 |
52620 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56619 |
24466 |
5892 |
555 |
94 |
87 |
44 |
0 |
| OW |
63 |
471 |
322 |
214 |
57 |
60 |
15 |
0 |
| VODI |
0 |
429 |
347 |
462 |
166 |
103 |
14 |
0 |
| ODI |
0 |
243 |
171 |
317 |
188 |
126 |
22 |
0 |
| CDI |
0 |
151 |
137 |
271 |
335 |
335 |
91 |
13 |
| VCDI |
0 |
190 |
423 |
717 |
1743 |
6610 |
31868 |
52617 |
|
Date: 2023-01-20:
| 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 |
55932 |
25026 |
6758 |
223 |
80 |
27 |
25 |
0 |
| OW |
74 |
589 |
309 |
230 |
63 |
23 |
11 |
0 |
| VODI |
0 |
399 |
269 |
402 |
198 |
62 |
12 |
0 |
| ODI |
0 |
177 |
133 |
293 |
236 |
131 |
18 |
0 |
| CDI |
0 |
128 |
116 |
294 |
312 |
328 |
136 |
7 |
| VCDI |
0 |
196 |
297 |
668 |
1497 |
5208 |
30514 |
55647 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55932 |
24751 |
6671 |
231 |
119 |
75 |
58 |
0 |
| OW |
74 |
598 |
271 |
160 |
73 |
53 |
9 |
0 |
| VODI |
0 |
542 |
357 |
353 |
222 |
76 |
9 |
0 |
| ODI |
0 |
267 |
166 |
294 |
212 |
107 |
17 |
0 |
| CDI |
0 |
161 |
137 |
323 |
254 |
359 |
167 |
0 |
| VCDI |
0 |
196 |
280 |
749 |
1506 |
5109 |
30456 |
55654 |
|
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