Validation of sea ice concentration - Full domain
Bulletin date: 2024-01-11
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-05:
| 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 |
70916 |
14813 |
404 |
397 |
7 |
0 |
0 |
0 |
| OW |
209 |
1020 |
358 |
772 |
146 |
0 |
0 |
0 |
| VODI |
151 |
397 |
187 |
963 |
711 |
62 |
0 |
0 |
| ODI |
53 |
135 |
46 |
441 |
1019 |
248 |
0 |
0 |
| CDI |
0 |
143 |
29 |
324 |
1379 |
2232 |
668 |
28 |
| VCDI |
0 |
4 |
27 |
221 |
1540 |
8696 |
27742 |
58255 |
|
...date precedes bulletin
|
Date: 2024-01-07:
| 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 |
69291 |
15444 |
401 |
389 |
35 |
0 |
0 |
0 |
| OW |
44 |
1200 |
316 |
791 |
145 |
2 |
0 |
0 |
| VODI |
46 |
514 |
159 |
853 |
578 |
23 |
0 |
0 |
| ODI |
31 |
170 |
60 |
400 |
1032 |
323 |
14 |
0 |
| CDI |
0 |
148 |
32 |
293 |
1324 |
2153 |
990 |
20 |
| VCDI |
0 |
53 |
45 |
252 |
1674 |
9560 |
27693 |
58245 |
|
...date precedes bulletin
|
Date: 2024-01-09:
| 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 |
69577 |
15966 |
276 |
324 |
33 |
0 |
0 |
0 |
| OW |
14 |
1435 |
429 |
693 |
83 |
2 |
0 |
0 |
| VODI |
5 |
283 |
188 |
1146 |
547 |
29 |
0 |
0 |
| ODI |
1 |
19 |
27 |
468 |
881 |
220 |
3 |
0 |
| CDI |
0 |
2 |
2 |
236 |
1229 |
2217 |
468 |
28 |
| VCDI |
0 |
5 |
0 |
31 |
1447 |
8144 |
26923 |
61362 |
|
...date precedes bulletin
|
Date: 2024-01-11:
| 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 |
69351 |
15567 |
259 |
335 |
17 |
0 |
0 |
0 |
| OW |
16 |
1538 |
309 |
615 |
96 |
0 |
0 |
0 |
| VODI |
1 |
490 |
196 |
1042 |
520 |
40 |
0 |
0 |
| ODI |
0 |
101 |
81 |
453 |
932 |
243 |
0 |
0 |
| CDI |
0 |
14 |
19 |
327 |
1240 |
2228 |
233 |
14 |
| VCDI |
0 |
5 |
0 |
44 |
1033 |
7696 |
28102 |
61586 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69352 |
15724 |
271 |
395 |
28 |
0 |
0 |
0 |
| OW |
14 |
1366 |
301 |
577 |
113 |
0 |
0 |
0 |
| VODI |
2 |
499 |
186 |
987 |
479 |
47 |
0 |
0 |
| ODI |
0 |
99 |
83 |
484 |
916 |
228 |
0 |
0 |
| CDI |
0 |
22 |
22 |
327 |
1266 |
2276 |
281 |
14 |
| VCDI |
0 |
5 |
1 |
46 |
1036 |
7656 |
28054 |
61586 |
|
Date: 2024-01-13:
| 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 |
68983 |
15557 |
249 |
226 |
25 |
0 |
0 |
0 |
| OW |
13 |
1437 |
341 |
726 |
119 |
10 |
0 |
0 |
| VODI |
3 |
491 |
199 |
1132 |
509 |
55 |
0 |
0 |
| ODI |
1 |
129 |
63 |
545 |
980 |
269 |
12 |
0 |
| CDI |
0 |
33 |
72 |
358 |
1370 |
1885 |
373 |
26 |
| VCDI |
0 |
10 |
15 |
178 |
2109 |
9620 |
25800 |
60820 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68984 |
15659 |
268 |
279 |
28 |
1 |
0 |
0 |
| OW |
11 |
1340 |
322 |
695 |
126 |
9 |
0 |
0 |
| VODI |
5 |
489 |
196 |
1094 |
480 |
61 |
0 |
0 |
| ODI |
0 |
124 |
56 |
548 |
960 |
256 |
10 |
0 |
| CDI |
0 |
28 |
76 |
351 |
1417 |
1887 |
439 |
24 |
| VCDI |
0 |
17 |
21 |
198 |
2101 |
9625 |
25736 |
60822 |
|
Date: 2024-01-15:
| 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 |
69567 |
15045 |
207 |
200 |
11 |
0 |
0 |
0 |
| OW |
25 |
1853 |
594 |
638 |
107 |
0 |
0 |
0 |
| VODI |
6 |
186 |
144 |
1479 |
427 |
10 |
0 |
0 |
| ODI |
0 |
33 |
30 |
441 |
1061 |
131 |
0 |
0 |
| CDI |
0 |
25 |
32 |
295 |
1417 |
2342 |
74 |
7 |
| VCDI |
0 |
0 |
2 |
187 |
2012 |
9230 |
26819 |
60106 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69577 |
14491 |
202 |
259 |
46 |
2 |
0 |
0 |
| OW |
12 |
1617 |
365 |
512 |
157 |
12 |
0 |
0 |
| VODI |
9 |
659 |
269 |
1041 |
318 |
78 |
1 |
0 |
| ODI |
0 |
190 |
56 |
624 |
730 |
236 |
24 |
0 |
| CDI |
0 |
121 |
72 |
420 |
1386 |
1665 |
294 |
7 |
| VCDI |
0 |
64 |
45 |
384 |
2398 |
9720 |
26574 |
60106 |
|
Date: 2024-01-17:
| 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 |
69523 |
14973 |
241 |
206 |
17 |
0 |
0 |
0 |
| OW |
14 |
1954 |
352 |
593 |
106 |
0 |
0 |
0 |
| VODI |
2 |
456 |
334 |
989 |
387 |
16 |
0 |
0 |
| ODI |
0 |
86 |
70 |
552 |
573 |
149 |
11 |
0 |
| CDI |
0 |
39 |
9 |
486 |
1278 |
1605 |
414 |
17 |
| VCDI |
0 |
30 |
23 |
194 |
1691 |
10219 |
25201 |
61933 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69522 |
14308 |
214 |
267 |
54 |
0 |
0 |
0 |
| OW |
14 |
1912 |
210 |
362 |
136 |
9 |
0 |
0 |
| VODI |
3 |
909 |
331 |
744 |
317 |
63 |
5 |
0 |
| ODI |
0 |
254 |
159 |
681 |
389 |
192 |
61 |
0 |
| CDI |
0 |
72 |
85 |
651 |
1132 |
1327 |
384 |
17 |
| VCDI |
0 |
83 |
30 |
315 |
2024 |
10398 |
25176 |
61933 |
|
Date: 2024-01-19:
| 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 |
69324 |
15039 |
202 |
383 |
28 |
0 |
0 |
0 |
| OW |
37 |
1922 |
268 |
476 |
112 |
6 |
0 |
0 |
| VODI |
13 |
725 |
287 |
714 |
331 |
41 |
0 |
0 |
| ODI |
8 |
292 |
97 |
485 |
411 |
163 |
39 |
0 |
| CDI |
12 |
65 |
126 |
487 |
949 |
1097 |
348 |
15 |
| VCDI |
0 |
2 |
3 |
294 |
1673 |
9561 |
25967 |
62741 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69250 |
13871 |
166 |
375 |
53 |
0 |
0 |
0 |
| OW |
75 |
1990 |
145 |
302 |
113 |
15 |
0 |
0 |
| VODI |
18 |
1395 |
280 |
545 |
236 |
63 |
0 |
0 |
| ODI |
16 |
530 |
178 |
521 |
324 |
97 |
48 |
0 |
| CDI |
35 |
248 |
176 |
697 |
839 |
894 |
639 |
3 |
| VCDI |
0 |
11 |
38 |
399 |
1939 |
9799 |
25667 |
62753 |
|
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