Validation of sea ice concentration - Full domain
Bulletin date: 2024-10-31
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-25:
| 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 |
104008 |
11019 |
193 |
309 |
547 |
19 |
0 |
0 |
| OW |
1528 |
1314 |
308 |
633 |
982 |
199 |
0 |
0 |
| VODI |
2513 |
233 |
224 |
511 |
1198 |
1011 |
42 |
0 |
| ODI |
0 |
50 |
57 |
259 |
1144 |
1767 |
241 |
0 |
| CDI |
0 |
26 |
41 |
282 |
922 |
4261 |
550 |
0 |
| VCDI |
0 |
7 |
17 |
159 |
342 |
9524 |
26011 |
8359 |
|
...date precedes bulletin
|
Date: 2024-10-27:
| 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 |
101522 |
11636 |
375 |
189 |
96 |
53 |
0 |
0 |
| OW |
1407 |
1449 |
389 |
537 |
495 |
472 |
29 |
0 |
| VODI |
2708 |
279 |
253 |
655 |
797 |
906 |
128 |
0 |
| ODI |
0 |
74 |
37 |
238 |
846 |
1604 |
179 |
0 |
| CDI |
0 |
26 |
45 |
281 |
685 |
4506 |
956 |
0 |
| VCDI |
0 |
4 |
9 |
66 |
585 |
9270 |
26763 |
10261 |
|
...date precedes bulletin
|
Date: 2024-10-29:
| 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 |
100539 |
11944 |
213 |
161 |
27 |
0 |
0 |
0 |
| OW |
1369 |
1337 |
382 |
424 |
131 |
5 |
0 |
0 |
| VODI |
2782 |
273 |
241 |
790 |
585 |
136 |
0 |
0 |
| ODI |
0 |
28 |
54 |
387 |
979 |
649 |
11 |
0 |
| CDI |
0 |
4 |
12 |
170 |
1035 |
4098 |
916 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
489 |
10974 |
30281 |
9379 |
|
...date precedes bulletin
|
Date: 2024-10-31:
| 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 |
99489 |
11715 |
272 |
276 |
37 |
0 |
0 |
0 |
| OW |
1326 |
1467 |
378 |
493 |
159 |
2 |
0 |
0 |
| VODI |
2816 |
371 |
245 |
774 |
565 |
110 |
2 |
0 |
| ODI |
0 |
70 |
68 |
405 |
915 |
443 |
55 |
0 |
| CDI |
0 |
22 |
38 |
251 |
1209 |
2947 |
528 |
0 |
| VCDI |
0 |
1 |
2 |
34 |
475 |
11917 |
29591 |
11342 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99495 |
11902 |
298 |
292 |
46 |
0 |
0 |
0 |
| OW |
1320 |
1269 |
352 |
468 |
154 |
7 |
0 |
0 |
| VODI |
2816 |
369 |
246 |
793 |
574 |
111 |
1 |
0 |
| ODI |
0 |
69 |
64 |
376 |
894 |
438 |
53 |
0 |
| CDI |
0 |
31 |
38 |
247 |
1076 |
3074 |
577 |
0 |
| VCDI |
0 |
6 |
5 |
57 |
616 |
11789 |
29545 |
11342 |
|
Date: 2024-11-02:
| 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 |
98438 |
11432 |
203 |
254 |
101 |
21 |
0 |
0 |
| OW |
1311 |
1536 |
342 |
602 |
281 |
59 |
0 |
0 |
| VODI |
2839 |
480 |
272 |
673 |
619 |
258 |
0 |
0 |
| ODI |
0 |
45 |
85 |
387 |
741 |
625 |
28 |
0 |
| CDI |
0 |
6 |
14 |
268 |
1094 |
2157 |
489 |
0 |
| VCDI |
0 |
0 |
0 |
32 |
478 |
9798 |
27113 |
17729 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98435 |
11716 |
238 |
282 |
119 |
31 |
0 |
0 |
| OW |
1315 |
1276 |
314 |
520 |
282 |
65 |
0 |
0 |
| VODI |
2838 |
446 |
276 |
765 |
599 |
276 |
0 |
0 |
| ODI |
0 |
42 |
69 |
356 |
726 |
645 |
37 |
0 |
| CDI |
0 |
16 |
14 |
249 |
1002 |
2134 |
476 |
0 |
| VCDI |
0 |
3 |
5 |
44 |
586 |
9767 |
27117 |
17729 |
|
Date: 2024-11-04:
| 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 |
97047 |
11214 |
208 |
247 |
29 |
0 |
0 |
0 |
| OW |
1231 |
1544 |
369 |
444 |
92 |
3 |
0 |
0 |
| VODI |
2997 |
317 |
345 |
1202 |
746 |
51 |
0 |
0 |
| ODI |
0 |
9 |
28 |
378 |
1334 |
600 |
16 |
0 |
| CDI |
0 |
2 |
2 |
90 |
1278 |
3760 |
475 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
197 |
9369 |
28141 |
17042 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97018 |
11308 |
279 |
421 |
54 |
0 |
0 |
0 |
| OW |
1255 |
1333 |
335 |
541 |
383 |
26 |
2 |
0 |
| VODI |
3002 |
351 |
266 |
827 |
900 |
285 |
17 |
0 |
| ODI |
0 |
71 |
52 |
323 |
782 |
685 |
29 |
0 |
| CDI |
0 |
19 |
15 |
231 |
955 |
2070 |
254 |
0 |
| VCDI |
0 |
4 |
5 |
21 |
602 |
10717 |
28330 |
17042 |
|
Date: 2024-11-06:
| 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 |
94791 |
11227 |
325 |
486 |
194 |
0 |
0 |
0 |
| OW |
1203 |
1320 |
324 |
639 |
371 |
11 |
0 |
0 |
| VODI |
3038 |
282 |
299 |
840 |
991 |
110 |
0 |
0 |
| ODI |
0 |
32 |
52 |
354 |
1210 |
546 |
6 |
0 |
| CDI |
0 |
26 |
11 |
123 |
961 |
2374 |
225 |
0 |
| VCDI |
0 |
45 |
17 |
94 |
925 |
10939 |
25843 |
20576 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94794 |
11065 |
384 |
503 |
194 |
8 |
0 |
0 |
| OW |
1201 |
1199 |
299 |
813 |
570 |
72 |
0 |
0 |
| VODI |
3037 |
456 |
199 |
596 |
1140 |
340 |
22 |
0 |
| ODI |
0 |
106 |
99 |
307 |
870 |
709 |
76 |
0 |
| CDI |
0 |
40 |
23 |
199 |
761 |
1914 |
360 |
0 |
| VCDI |
0 |
66 |
24 |
118 |
1117 |
10937 |
25616 |
20576 |
|
Date: 2024-11-08:
| 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 |
93204 |
11524 |
383 |
477 |
85 |
0 |
0 |
0 |
| OW |
1172 |
1208 |
301 |
565 |
512 |
78 |
0 |
0 |
| VODI |
3064 |
338 |
190 |
599 |
1027 |
510 |
9 |
0 |
| ODI |
0 |
107 |
44 |
245 |
874 |
806 |
38 |
0 |
| CDI |
0 |
40 |
11 |
106 |
632 |
2400 |
295 |
0 |
| VCDI |
0 |
20 |
15 |
30 |
233 |
7701 |
27631 |
24336 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93208 |
10915 |
373 |
522 |
126 |
11 |
0 |
0 |
| OW |
1169 |
1398 |
257 |
547 |
629 |
115 |
7 |
0 |
| VODI |
3063 |
601 |
177 |
494 |
1063 |
711 |
51 |
0 |
| ODI |
0 |
194 |
91 |
248 |
658 |
1007 |
118 |
0 |
| CDI |
0 |
64 |
27 |
167 |
560 |
1769 |
505 |
17 |
| VCDI |
0 |
65 |
19 |
44 |
327 |
7882 |
27292 |
24319 |
|
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