Validation of sea ice concentration - Full domain
Bulletin date: 2023-01-12
Data source: OSI SAF N.H. 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 |
77098 |
11388 |
88 |
395 |
178 |
109 |
17 |
0 |
| OW |
84 |
762 |
60 |
268 |
120 |
27 |
15 |
0 |
| VODI |
0 |
520 |
41 |
332 |
306 |
171 |
59 |
0 |
| ODI |
0 |
265 |
30 |
245 |
307 |
228 |
45 |
0 |
| CDI |
0 |
195 |
17 |
332 |
576 |
542 |
98 |
9 |
| VCDI |
0 |
212 |
25 |
410 |
1400 |
5666 |
21085 |
63323 |
|
...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 |
76550 |
11683 |
94 |
292 |
195 |
104 |
26 |
0 |
| OW |
76 |
810 |
50 |
255 |
143 |
23 |
11 |
0 |
| VODI |
0 |
517 |
45 |
385 |
254 |
128 |
37 |
0 |
| ODI |
0 |
288 |
28 |
249 |
253 |
240 |
55 |
0 |
| CDI |
0 |
174 |
15 |
393 |
504 |
389 |
167 |
7 |
| VCDI |
0 |
161 |
18 |
428 |
1609 |
4705 |
20031 |
65656 |
|
...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 |
76693 |
12216 |
97 |
260 |
141 |
85 |
11 |
0 |
| OW |
71 |
710 |
60 |
301 |
66 |
4 |
14 |
0 |
| VODI |
0 |
499 |
56 |
496 |
182 |
27 |
11 |
0 |
| ODI |
0 |
193 |
21 |
297 |
367 |
42 |
8 |
0 |
| CDI |
0 |
128 |
17 |
279 |
511 |
330 |
77 |
4 |
| VCDI |
0 |
97 |
11 |
299 |
1349 |
4580 |
18648 |
67790 |
|
...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 |
76388 |
12041 |
91 |
257 |
162 |
77 |
2 |
0 |
| OW |
74 |
845 |
55 |
247 |
84 |
30 |
12 |
0 |
| VODI |
0 |
586 |
44 |
406 |
206 |
25 |
13 |
0 |
| ODI |
0 |
216 |
28 |
296 |
330 |
58 |
5 |
0 |
| CDI |
0 |
139 |
15 |
243 |
441 |
287 |
94 |
22 |
| VCDI |
0 |
183 |
19 |
438 |
1606 |
6011 |
23304 |
61668 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76390 |
12046 |
101 |
279 |
161 |
82 |
5 |
0 |
| OW |
72 |
833 |
36 |
247 |
100 |
23 |
11 |
0 |
| VODI |
0 |
538 |
44 |
345 |
190 |
27 |
12 |
0 |
| ODI |
0 |
261 |
36 |
278 |
304 |
57 |
6 |
0 |
| CDI |
0 |
150 |
15 |
282 |
437 |
257 |
95 |
16 |
| VCDI |
0 |
182 |
20 |
456 |
1637 |
6042 |
23301 |
61674 |
|
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 |
75961 |
11677 |
113 |
317 |
155 |
46 |
0 |
0 |
| OW |
75 |
909 |
52 |
275 |
114 |
42 |
0 |
0 |
| VODI |
0 |
747 |
39 |
354 |
225 |
52 |
0 |
0 |
| ODI |
0 |
359 |
22 |
278 |
269 |
76 |
5 |
0 |
| CDI |
0 |
152 |
23 |
265 |
469 |
278 |
89 |
12 |
| VCDI |
0 |
273 |
29 |
455 |
1816 |
6055 |
26597 |
58373 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75958 |
11596 |
113 |
333 |
173 |
63 |
0 |
0 |
| OW |
78 |
921 |
55 |
270 |
101 |
31 |
0 |
0 |
| VODI |
0 |
708 |
34 |
338 |
219 |
49 |
0 |
0 |
| ODI |
0 |
413 |
15 |
225 |
235 |
81 |
4 |
0 |
| CDI |
0 |
206 |
27 |
263 |
434 |
275 |
93 |
11 |
| VCDI |
0 |
273 |
34 |
515 |
1886 |
6050 |
26594 |
58374 |
|
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 |
74364 |
13229 |
101 |
315 |
117 |
17 |
0 |
0 |
| OW |
75 |
802 |
68 |
333 |
100 |
9 |
0 |
0 |
| VODI |
0 |
575 |
54 |
507 |
329 |
29 |
0 |
0 |
| ODI |
0 |
226 |
12 |
359 |
509 |
70 |
0 |
0 |
| CDI |
0 |
151 |
15 |
166 |
580 |
349 |
35 |
3 |
| VCDI |
0 |
193 |
29 |
375 |
1612 |
6995 |
25153 |
59192 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74363 |
12716 |
107 |
368 |
178 |
39 |
0 |
0 |
| OW |
76 |
761 |
35 |
198 |
129 |
44 |
0 |
0 |
| VODI |
0 |
737 |
55 |
367 |
227 |
59 |
4 |
0 |
| ODI |
0 |
316 |
21 |
318 |
286 |
78 |
13 |
0 |
| CDI |
0 |
253 |
18 |
231 |
386 |
264 |
105 |
7 |
| VCDI |
0 |
393 |
43 |
573 |
2041 |
6985 |
25066 |
59188 |
|
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 |
74636 |
12952 |
86 |
239 |
89 |
15 |
0 |
0 |
| OW |
80 |
821 |
71 |
323 |
76 |
5 |
0 |
0 |
| VODI |
0 |
544 |
57 |
462 |
299 |
9 |
0 |
0 |
| ODI |
0 |
217 |
14 |
390 |
334 |
45 |
0 |
0 |
| CDI |
0 |
188 |
14 |
319 |
422 |
250 |
17 |
12 |
| VCDI |
0 |
434 |
35 |
459 |
2078 |
6991 |
23487 |
60578 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74621 |
12555 |
88 |
298 |
154 |
41 |
0 |
0 |
| OW |
92 |
769 |
40 |
173 |
95 |
33 |
0 |
0 |
| VODI |
3 |
714 |
67 |
467 |
214 |
56 |
0 |
0 |
| ODI |
0 |
363 |
30 |
354 |
237 |
83 |
0 |
0 |
| CDI |
0 |
236 |
11 |
287 |
430 |
308 |
44 |
17 |
| VCDI |
0 |
519 |
41 |
613 |
2168 |
6794 |
23460 |
60573 |
|
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 |
75078 |
12577 |
90 |
215 |
101 |
10 |
0 |
0 |
| OW |
79 |
826 |
51 |
255 |
71 |
17 |
0 |
0 |
| VODI |
0 |
591 |
55 |
412 |
261 |
23 |
0 |
0 |
| ODI |
0 |
264 |
25 |
307 |
327 |
62 |
3 |
0 |
| CDI |
0 |
187 |
11 |
317 |
394 |
289 |
116 |
7 |
| VCDI |
0 |
444 |
34 |
514 |
1853 |
5464 |
22027 |
63691 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75070 |
12243 |
75 |
229 |
161 |
59 |
0 |
0 |
| OW |
87 |
846 |
38 |
149 |
88 |
30 |
0 |
0 |
| VODI |
0 |
802 |
60 |
374 |
279 |
44 |
0 |
0 |
| ODI |
0 |
346 |
37 |
324 |
266 |
87 |
3 |
0 |
| CDI |
0 |
240 |
17 |
315 |
357 |
337 |
130 |
5 |
| VCDI |
0 |
412 |
39 |
629 |
1856 |
5308 |
22013 |
63693 |
|
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