Validation of sea ice concentration - Full domain
Bulletin date: 2024-03-21
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-15:
| 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 |
61618 |
16770 |
323 |
358 |
13 |
0 |
0 |
0 |
| OW |
54 |
1521 |
355 |
886 |
136 |
0 |
0 |
0 |
| VODI |
0 |
285 |
307 |
1203 |
602 |
35 |
0 |
0 |
| ODI |
0 |
14 |
24 |
616 |
1274 |
202 |
6 |
0 |
| CDI |
0 |
1 |
7 |
202 |
1379 |
2956 |
1105 |
62 |
| VCDI |
0 |
0 |
0 |
51 |
660 |
5194 |
22164 |
74360 |
|
...date precedes bulletin
|
Date: 2024-03-17:
| 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 |
60622 |
16857 |
401 |
540 |
39 |
0 |
0 |
0 |
| OW |
28 |
1659 |
351 |
723 |
242 |
9 |
0 |
0 |
| VODI |
0 |
316 |
317 |
1187 |
552 |
71 |
0 |
0 |
| ODI |
0 |
46 |
55 |
582 |
1287 |
405 |
5 |
0 |
| CDI |
0 |
14 |
27 |
372 |
1357 |
3105 |
901 |
145 |
| VCDI |
0 |
7 |
14 |
145 |
921 |
5440 |
25235 |
70766 |
|
...date precedes bulletin
|
Date: 2024-03-19:
| 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 |
61174 |
17003 |
325 |
416 |
59 |
0 |
0 |
0 |
| OW |
43 |
1369 |
485 |
830 |
177 |
9 |
0 |
0 |
| VODI |
0 |
174 |
221 |
1316 |
543 |
43 |
0 |
0 |
| ODI |
0 |
11 |
12 |
599 |
1262 |
271 |
4 |
0 |
| CDI |
0 |
0 |
3 |
255 |
1280 |
2766 |
723 |
35 |
| VCDI |
0 |
0 |
0 |
92 |
1305 |
4056 |
24519 |
73363 |
|
...date precedes bulletin
|
Date: 2024-03-21:
| 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 |
61961 |
16655 |
252 |
303 |
37 |
0 |
0 |
0 |
| OW |
28 |
1463 |
393 |
843 |
184 |
1 |
0 |
0 |
| VODI |
0 |
396 |
239 |
1060 |
525 |
67 |
0 |
0 |
| ODI |
0 |
44 |
88 |
674 |
954 |
375 |
6 |
1 |
| CDI |
0 |
6 |
21 |
392 |
1352 |
2228 |
1105 |
39 |
| VCDI |
0 |
0 |
0 |
190 |
1443 |
4740 |
26450 |
70228 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61971 |
16644 |
256 |
301 |
51 |
0 |
0 |
0 |
| OW |
18 |
1501 |
371 |
796 |
179 |
2 |
0 |
0 |
| VODI |
0 |
366 |
259 |
1110 |
486 |
64 |
1 |
0 |
| ODI |
0 |
48 |
88 |
690 |
969 |
378 |
5 |
1 |
| CDI |
0 |
5 |
19 |
389 |
1352 |
2263 |
1212 |
42 |
| VCDI |
0 |
0 |
0 |
176 |
1458 |
4704 |
26343 |
70225 |
|
Date: 2024-03-23:
| 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 |
62371 |
16049 |
234 |
203 |
20 |
0 |
0 |
0 |
| OW |
19 |
1515 |
375 |
781 |
131 |
2 |
0 |
0 |
| VODI |
0 |
576 |
274 |
1033 |
544 |
50 |
8 |
0 |
| ODI |
0 |
181 |
91 |
627 |
945 |
410 |
62 |
1 |
| CDI |
0 |
109 |
112 |
494 |
1277 |
1852 |
1645 |
17 |
| VCDI |
0 |
3 |
10 |
214 |
1090 |
4300 |
24332 |
72786 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62372 |
16048 |
258 |
223 |
26 |
0 |
0 |
0 |
| OW |
18 |
1508 |
350 |
746 |
155 |
2 |
3 |
0 |
| VODI |
0 |
582 |
278 |
1021 |
490 |
60 |
7 |
0 |
| ODI |
0 |
191 |
102 |
679 |
933 |
406 |
62 |
1 |
| CDI |
0 |
104 |
102 |
484 |
1303 |
1865 |
1667 |
19 |
| VCDI |
0 |
0 |
6 |
199 |
1100 |
4281 |
24308 |
72784 |
|
Date: 2024-03-25:
| 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 |
61726 |
16639 |
287 |
238 |
27 |
0 |
0 |
0 |
| OW |
55 |
1407 |
532 |
725 |
74 |
0 |
0 |
0 |
| VODI |
9 |
114 |
161 |
1693 |
615 |
21 |
0 |
0 |
| ODI |
0 |
9 |
23 |
471 |
1573 |
270 |
0 |
0 |
| CDI |
0 |
0 |
7 |
216 |
1519 |
3372 |
323 |
11 |
| VCDI |
0 |
0 |
0 |
10 |
355 |
4768 |
23753 |
73740 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61775 |
16013 |
292 |
349 |
44 |
1 |
0 |
0 |
| OW |
15 |
1504 |
348 |
695 |
254 |
8 |
0 |
0 |
| VODI |
0 |
443 |
208 |
1054 |
612 |
122 |
4 |
0 |
| ODI |
0 |
155 |
94 |
601 |
1100 |
574 |
39 |
0 |
| CDI |
0 |
54 |
63 |
561 |
1458 |
2349 |
1332 |
19 |
| VCDI |
0 |
0 |
5 |
93 |
695 |
5377 |
22701 |
73732 |
|
Date: 2024-03-27:
| 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 |
61552 |
16439 |
230 |
183 |
24 |
1 |
0 |
0 |
| OW |
33 |
1331 |
496 |
917 |
126 |
16 |
0 |
0 |
| VODI |
0 |
154 |
198 |
1344 |
737 |
47 |
1 |
0 |
| ODI |
0 |
15 |
26 |
386 |
1195 |
613 |
6 |
0 |
| CDI |
0 |
1 |
14 |
282 |
1416 |
2808 |
1507 |
7 |
| VCDI |
0 |
0 |
0 |
39 |
472 |
4731 |
26603 |
70793 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61585 |
15828 |
285 |
381 |
38 |
5 |
0 |
0 |
| OW |
0 |
1443 |
297 |
716 |
272 |
24 |
0 |
0 |
| VODI |
0 |
531 |
234 |
877 |
631 |
131 |
16 |
0 |
| ODI |
0 |
104 |
101 |
659 |
943 |
647 |
54 |
0 |
| CDI |
0 |
34 |
44 |
444 |
1465 |
1944 |
2012 |
20 |
| VCDI |
0 |
0 |
3 |
74 |
621 |
5465 |
26035 |
70780 |
|
Date: 2024-03-29:
| 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 |
61450 |
16471 |
263 |
185 |
46 |
0 |
0 |
0 |
| OW |
1 |
1459 |
459 |
891 |
145 |
4 |
0 |
0 |
| VODI |
0 |
276 |
241 |
1240 |
764 |
19 |
0 |
0 |
| ODI |
0 |
24 |
42 |
551 |
1294 |
509 |
16 |
0 |
| CDI |
0 |
1 |
13 |
324 |
1650 |
2443 |
1380 |
22 |
| VCDI |
0 |
0 |
0 |
56 |
781 |
5400 |
26384 |
69939 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61451 |
15493 |
343 |
434 |
39 |
5 |
0 |
0 |
| OW |
0 |
1485 |
235 |
680 |
328 |
11 |
0 |
0 |
| VODI |
0 |
886 |
220 |
716 |
626 |
105 |
0 |
0 |
| ODI |
0 |
327 |
141 |
679 |
797 |
590 |
47 |
0 |
| CDI |
0 |
40 |
79 |
709 |
2010 |
2028 |
1845 |
27 |
| VCDI |
0 |
0 |
0 |
29 |
880 |
5636 |
25888 |
69934 |
|
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