Validation of sea ice concentration - Full domain
Bulletin date: 2024-10-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-18:
| 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 |
106973 |
15800 |
497 |
1016 |
958 |
26 |
0 |
0 |
| OW |
1769 |
1759 |
355 |
853 |
835 |
118 |
0 |
0 |
| VODI |
2231 |
401 |
214 |
640 |
752 |
476 |
7 |
0 |
| ODI |
0 |
101 |
53 |
205 |
544 |
843 |
29 |
0 |
| CDI |
0 |
120 |
53 |
256 |
584 |
1858 |
459 |
0 |
| VCDI |
0 |
40 |
46 |
115 |
333 |
5201 |
24806 |
9484 |
|
...date precedes bulletin
|
Date: 2024-10-20:
| 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 |
106740 |
13090 |
439 |
734 |
488 |
173 |
0 |
0 |
| OW |
1835 |
2262 |
406 |
798 |
1256 |
545 |
8 |
0 |
| VODI |
2222 |
671 |
310 |
919 |
1065 |
741 |
23 |
0 |
| ODI |
3 |
155 |
47 |
323 |
608 |
789 |
80 |
0 |
| CDI |
0 |
152 |
54 |
208 |
580 |
1538 |
482 |
0 |
| VCDI |
0 |
10 |
36 |
179 |
301 |
6358 |
21861 |
12321 |
|
...date precedes bulletin
|
Date: 2024-10-22:
| 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 |
105946 |
12428 |
383 |
539 |
197 |
9 |
0 |
0 |
| OW |
1626 |
2473 |
510 |
832 |
596 |
139 |
0 |
0 |
| VODI |
2383 |
401 |
206 |
824 |
998 |
671 |
7 |
0 |
| ODI |
0 |
98 |
38 |
326 |
1396 |
1398 |
81 |
0 |
| CDI |
0 |
83 |
29 |
126 |
1843 |
3723 |
301 |
0 |
| VCDI |
0 |
25 |
42 |
129 |
953 |
7870 |
24069 |
7112 |
|
...date precedes bulletin
|
Date: 2024-10-24:
| 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 |
104546 |
11324 |
275 |
573 |
711 |
14 |
0 |
0 |
| OW |
1572 |
1285 |
333 |
794 |
779 |
155 |
0 |
0 |
| VODI |
2474 |
221 |
194 |
595 |
1438 |
1131 |
43 |
0 |
| ODI |
0 |
56 |
41 |
218 |
1081 |
1736 |
97 |
0 |
| CDI |
0 |
35 |
39 |
235 |
1079 |
4125 |
583 |
0 |
| VCDI |
0 |
33 |
40 |
120 |
344 |
10478 |
25361 |
6652 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
104560 |
11457 |
299 |
728 |
876 |
46 |
0 |
0 |
| OW |
1568 |
1162 |
298 |
608 |
690 |
249 |
8 |
0 |
| VODI |
2464 |
216 |
198 |
628 |
1374 |
1042 |
46 |
0 |
| ODI |
0 |
50 |
43 |
221 |
1128 |
1830 |
85 |
0 |
| CDI |
0 |
38 |
43 |
226 |
1006 |
4161 |
622 |
0 |
| VCDI |
0 |
31 |
41 |
124 |
358 |
10311 |
25323 |
6652 |
|
Date: 2024-10-26:
| 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 |
102577 |
11551 |
214 |
196 |
198 |
30 |
0 |
0 |
| OW |
1431 |
1475 |
333 |
535 |
815 |
417 |
7 |
0 |
| VODI |
2672 |
269 |
208 |
591 |
1001 |
797 |
78 |
0 |
| ODI |
0 |
62 |
56 |
283 |
1011 |
1815 |
217 |
0 |
| CDI |
0 |
20 |
45 |
285 |
890 |
4237 |
947 |
0 |
| VCDI |
0 |
2 |
8 |
93 |
490 |
9641 |
26921 |
8392 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
102578 |
11814 |
245 |
276 |
451 |
154 |
0 |
0 |
| OW |
1434 |
1224 |
298 |
496 |
664 |
398 |
27 |
0 |
| VODI |
2668 |
264 |
215 |
572 |
976 |
839 |
75 |
0 |
| ODI |
0 |
57 |
57 |
273 |
884 |
1734 |
206 |
0 |
| CDI |
0 |
20 |
44 |
273 |
892 |
4337 |
1097 |
0 |
| VCDI |
0 |
0 |
5 |
93 |
538 |
9475 |
26765 |
8392 |
|
Date: 2024-10-28:
| 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 |
101202 |
11747 |
208 |
136 |
16 |
0 |
0 |
0 |
| OW |
1369 |
1481 |
328 |
367 |
131 |
24 |
0 |
0 |
| VODI |
2755 |
264 |
289 |
943 |
556 |
142 |
0 |
0 |
| ODI |
0 |
15 |
26 |
344 |
1190 |
1276 |
111 |
0 |
| CDI |
0 |
13 |
18 |
107 |
791 |
6166 |
981 |
0 |
| VCDI |
0 |
0 |
4 |
14 |
377 |
8878 |
30111 |
8430 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101195 |
11197 |
273 |
356 |
299 |
85 |
10 |
0 |
| OW |
1400 |
1679 |
280 |
388 |
400 |
410 |
102 |
0 |
| VODI |
2731 |
501 |
194 |
587 |
588 |
867 |
219 |
0 |
| ODI |
0 |
98 |
72 |
281 |
592 |
1506 |
193 |
0 |
| CDI |
0 |
45 |
49 |
257 |
585 |
3485 |
895 |
0 |
| VCDI |
0 |
0 |
5 |
42 |
597 |
10133 |
29784 |
8430 |
|
Date: 2024-10-30:
| 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 |
99586 |
12210 |
223 |
267 |
24 |
1 |
0 |
0 |
| OW |
1347 |
1447 |
357 |
448 |
135 |
4 |
0 |
0 |
| VODI |
2796 |
347 |
230 |
743 |
574 |
126 |
1 |
0 |
| ODI |
0 |
56 |
79 |
377 |
956 |
454 |
29 |
0 |
| CDI |
0 |
5 |
20 |
245 |
1183 |
3487 |
580 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
386 |
11871 |
30071 |
10133 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99601 |
11284 |
295 |
505 |
340 |
53 |
0 |
0 |
| OW |
1352 |
1906 |
210 |
382 |
413 |
152 |
7 |
0 |
| VODI |
2776 |
633 |
250 |
518 |
575 |
640 |
162 |
0 |
| ODI |
0 |
164 |
74 |
317 |
804 |
1049 |
300 |
0 |
| CDI |
0 |
75 |
68 |
294 |
707 |
2744 |
971 |
0 |
| VCDI |
0 |
3 |
12 |
76 |
419 |
11305 |
29241 |
10133 |
|
Date: 2024-11-01:
| 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 |
98146 |
12273 |
320 |
374 |
67 |
4 |
0 |
0 |
| OW |
1323 |
1382 |
358 |
634 |
235 |
24 |
0 |
0 |
| VODI |
2826 |
397 |
252 |
701 |
683 |
182 |
0 |
0 |
| ODI |
0 |
49 |
56 |
399 |
791 |
544 |
36 |
0 |
| CDI |
0 |
7 |
22 |
264 |
1137 |
2238 |
578 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
459 |
10734 |
29032 |
14254 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98160 |
11655 |
455 |
746 |
396 |
108 |
1 |
0 |
| OW |
1338 |
1484 |
198 |
441 |
416 |
128 |
10 |
0 |
| VODI |
2797 |
777 |
188 |
481 |
638 |
656 |
184 |
0 |
| ODI |
0 |
145 |
104 |
349 |
602 |
958 |
347 |
0 |
| CDI |
0 |
38 |
51 |
304 |
921 |
2375 |
1139 |
0 |
| VCDI |
0 |
9 |
12 |
80 |
399 |
9501 |
27965 |
14254 |
|
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