Validation of sea ice concentration - Full domain
Bulletin date: 2023-10-26
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-20:
| 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 |
115096 |
15849 |
875 |
1525 |
633 |
0 |
0 |
0 |
| OW |
11 |
930 |
368 |
1609 |
1407 |
196 |
0 |
0 |
| VODI |
15 |
190 |
136 |
1232 |
1775 |
412 |
0 |
0 |
| ODI |
1 |
53 |
28 |
390 |
1218 |
789 |
0 |
0 |
| CDI |
0 |
11 |
17 |
292 |
1278 |
3258 |
733 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
591 |
6217 |
18587 |
19001 |
|
...date precedes bulletin
|
Date: 2023-10-22:
| 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 |
115429 |
13806 |
609 |
1166 |
383 |
0 |
0 |
0 |
| OW |
2 |
1136 |
422 |
1531 |
1066 |
171 |
0 |
0 |
| VODI |
0 |
382 |
218 |
1345 |
2007 |
554 |
0 |
0 |
| ODI |
0 |
147 |
66 |
607 |
1724 |
485 |
2 |
0 |
| CDI |
0 |
78 |
66 |
358 |
1539 |
2178 |
175 |
0 |
| VCDI |
0 |
0 |
2 |
48 |
752 |
7879 |
20162 |
18248 |
|
...date precedes bulletin
|
Date: 2023-10-24:
| 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 |
115318 |
13320 |
509 |
549 |
307 |
0 |
0 |
0 |
| OW |
0 |
1148 |
569 |
1285 |
479 |
23 |
0 |
0 |
| VODI |
0 |
100 |
156 |
1673 |
1434 |
84 |
0 |
0 |
| ODI |
0 |
9 |
12 |
431 |
2519 |
1161 |
0 |
0 |
| CDI |
0 |
1 |
1 |
74 |
1865 |
4327 |
116 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
328 |
7761 |
21542 |
17627 |
|
...date precedes bulletin
|
Date: 2023-10-26:
| 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 |
113647 |
12162 |
548 |
1053 |
355 |
33 |
0 |
0 |
| OW |
3 |
989 |
467 |
1357 |
556 |
250 |
0 |
0 |
| VODI |
0 |
145 |
149 |
1323 |
1093 |
712 |
5 |
0 |
| ODI |
0 |
12 |
27 |
512 |
1310 |
1287 |
59 |
0 |
| CDI |
0 |
1 |
2 |
106 |
1693 |
4337 |
906 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
684 |
8434 |
18536 |
21984 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113641 |
12213 |
626 |
1264 |
412 |
114 |
0 |
0 |
| OW |
5 |
942 |
397 |
1152 |
481 |
190 |
0 |
0 |
| VODI |
4 |
140 |
142 |
1355 |
1175 |
627 |
0 |
0 |
| ODI |
0 |
13 |
27 |
476 |
1250 |
1087 |
33 |
0 |
| CDI |
0 |
1 |
1 |
107 |
1705 |
4213 |
692 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
668 |
8822 |
18781 |
21984 |
|
Date: 2023-10-28:
| 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 |
111827 |
11642 |
436 |
849 |
132 |
27 |
0 |
0 |
| OW |
2 |
910 |
463 |
1571 |
1059 |
195 |
0 |
0 |
| VODI |
0 |
93 |
110 |
1123 |
1288 |
795 |
9 |
0 |
| ODI |
0 |
14 |
16 |
423 |
1128 |
1362 |
131 |
0 |
| CDI |
0 |
0 |
6 |
124 |
967 |
3699 |
902 |
2 |
| VCDI |
0 |
0 |
0 |
12 |
269 |
8626 |
19661 |
24870 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111821 |
11715 |
562 |
1097 |
341 |
52 |
0 |
0 |
| OW |
5 |
818 |
343 |
1424 |
930 |
196 |
1 |
0 |
| VODI |
3 |
115 |
101 |
1053 |
1270 |
681 |
7 |
0 |
| ODI |
0 |
9 |
19 |
405 |
1024 |
1232 |
99 |
0 |
| CDI |
0 |
2 |
6 |
111 |
1040 |
3721 |
914 |
2 |
| VCDI |
0 |
0 |
0 |
12 |
238 |
8822 |
19682 |
24870 |
|
Date: 2023-10-30:
| 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 |
109824 |
12285 |
465 |
511 |
58 |
6 |
0 |
0 |
| OW |
5 |
590 |
383 |
1142 |
358 |
12 |
0 |
0 |
| VODI |
0 |
11 |
61 |
1661 |
1192 |
72 |
0 |
0 |
| ODI |
0 |
0 |
3 |
315 |
2200 |
953 |
6 |
0 |
| CDI |
0 |
0 |
0 |
13 |
1137 |
4526 |
247 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
6035 |
21095 |
29497 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
109782 |
11778 |
501 |
970 |
301 |
14 |
0 |
0 |
| OW |
43 |
973 |
275 |
1313 |
877 |
280 |
0 |
0 |
| VODI |
4 |
113 |
101 |
772 |
1462 |
1056 |
0 |
0 |
| ODI |
0 |
21 |
25 |
380 |
926 |
1241 |
57 |
5 |
| CDI |
0 |
1 |
10 |
201 |
955 |
2838 |
957 |
130 |
| VCDI |
0 |
0 |
0 |
6 |
493 |
6175 |
20334 |
29373 |
|
Date: 2023-11-01:
| 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 |
109050 |
11407 |
587 |
617 |
114 |
24 |
0 |
0 |
| OW |
10 |
720 |
401 |
1109 |
474 |
51 |
0 |
0 |
| VODI |
0 |
91 |
84 |
1001 |
963 |
424 |
0 |
0 |
| ODI |
0 |
4 |
13 |
391 |
1140 |
805 |
6 |
0 |
| CDI |
0 |
0 |
0 |
85 |
1464 |
2422 |
377 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
274 |
6223 |
19122 |
35286 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
109012 |
10724 |
562 |
725 |
118 |
22 |
0 |
0 |
| OW |
43 |
1215 |
338 |
1176 |
832 |
258 |
1 |
0 |
| VODI |
5 |
214 |
130 |
712 |
1408 |
1132 |
211 |
0 |
| ODI |
0 |
59 |
32 |
307 |
743 |
1023 |
401 |
0 |
| CDI |
0 |
10 |
23 |
254 |
791 |
1993 |
1160 |
25 |
| VCDI |
0 |
0 |
0 |
29 |
537 |
5521 |
17732 |
35265 |
|
Date: 2023-11-03:
| 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 |
108006 |
11381 |
494 |
796 |
63 |
32 |
0 |
0 |
| OW |
20 |
808 |
362 |
903 |
538 |
57 |
0 |
0 |
| VODI |
2 |
97 |
118 |
920 |
997 |
347 |
3 |
0 |
| ODI |
0 |
3 |
16 |
383 |
1155 |
588 |
85 |
0 |
| CDI |
0 |
0 |
0 |
137 |
1430 |
1248 |
318 |
7 |
| VCDI |
0 |
0 |
0 |
16 |
1152 |
6873 |
20595 |
34793 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107948 |
10500 |
504 |
996 |
254 |
28 |
0 |
0 |
| OW |
74 |
1400 |
232 |
737 |
701 |
116 |
5 |
0 |
| VODI |
6 |
360 |
224 |
869 |
1157 |
870 |
155 |
0 |
| ODI |
0 |
29 |
28 |
375 |
958 |
909 |
342 |
1 |
| CDI |
0 |
0 |
2 |
163 |
1184 |
1458 |
847 |
7 |
| VCDI |
0 |
0 |
0 |
15 |
1081 |
5764 |
19652 |
34792 |
|
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