Validation of sea ice concentration - Full domain
Bulletin date: 2023-10-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-13:
| 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 |
118427 |
15881 |
664 |
1148 |
455 |
105 |
0 |
0 |
| OW |
209 |
1445 |
375 |
1141 |
758 |
84 |
0 |
0 |
| VODI |
0 |
204 |
135 |
781 |
996 |
209 |
7 |
0 |
| ODI |
0 |
36 |
38 |
267 |
872 |
493 |
18 |
0 |
| CDI |
0 |
0 |
13 |
147 |
459 |
1447 |
232 |
1 |
| VCDI |
0 |
0 |
0 |
63 |
453 |
4049 |
17054 |
18382 |
|
...date precedes bulletin
|
Date: 2023-10-15:
| 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 |
114589 |
17623 |
720 |
1006 |
433 |
133 |
5 |
0 |
| OW |
111 |
1400 |
416 |
1232 |
901 |
154 |
19 |
0 |
| VODI |
33 |
293 |
220 |
1031 |
1119 |
553 |
46 |
0 |
| ODI |
0 |
73 |
55 |
284 |
741 |
528 |
69 |
0 |
| CDI |
0 |
4 |
32 |
194 |
588 |
1108 |
167 |
0 |
| VCDI |
0 |
0 |
6 |
163 |
644 |
4864 |
17237 |
18254 |
|
...date precedes bulletin
|
Date: 2023-10-17:
| 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 |
109971 |
19125 |
1328 |
1744 |
388 |
99 |
0 |
0 |
| OW |
3 |
1529 |
448 |
1583 |
440 |
104 |
0 |
0 |
| VODI |
0 |
82 |
63 |
885 |
1230 |
201 |
10 |
0 |
| ODI |
0 |
4 |
22 |
159 |
1361 |
798 |
74 |
0 |
| CDI |
0 |
0 |
1 |
140 |
615 |
2499 |
457 |
18 |
| VCDI |
0 |
0 |
0 |
11 |
371 |
3745 |
16170 |
21370 |
|
...date precedes bulletin
|
Date: 2023-10-19:
| 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 |
106780 |
17813 |
1040 |
2087 |
674 |
65 |
0 |
0 |
| OW |
51 |
1496 |
490 |
1960 |
1308 |
192 |
0 |
0 |
| VODI |
3 |
299 |
213 |
1280 |
1663 |
494 |
0 |
0 |
| ODI |
0 |
6 |
22 |
144 |
849 |
1132 |
24 |
0 |
| CDI |
0 |
1 |
6 |
92 |
531 |
1957 |
411 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
434 |
5013 |
18031 |
20458 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106768 |
18014 |
1107 |
2403 |
875 |
95 |
0 |
0 |
| OW |
65 |
1019 |
395 |
1568 |
1076 |
176 |
0 |
0 |
| VODI |
1 |
575 |
239 |
1338 |
1624 |
494 |
1 |
0 |
| ODI |
0 |
5 |
24 |
160 |
909 |
1171 |
30 |
0 |
| CDI |
0 |
2 |
4 |
93 |
503 |
1793 |
421 |
0 |
| VCDI |
0 |
0 |
2 |
30 |
472 |
5124 |
18014 |
20458 |
|
Date: 2023-10-21:
| 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 |
105633 |
17306 |
853 |
1256 |
590 |
126 |
0 |
0 |
| OW |
65 |
1459 |
459 |
1631 |
988 |
495 |
0 |
0 |
| VODI |
0 |
555 |
286 |
1425 |
1641 |
1333 |
4 |
0 |
| ODI |
0 |
17 |
45 |
477 |
881 |
1120 |
29 |
0 |
| CDI |
0 |
0 |
0 |
213 |
597 |
1590 |
147 |
0 |
| VCDI |
0 |
0 |
0 |
106 |
814 |
6357 |
19568 |
18982 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105666 |
17564 |
942 |
1817 |
703 |
164 |
0 |
0 |
| OW |
32 |
1150 |
387 |
1106 |
897 |
498 |
0 |
0 |
| VODI |
0 |
596 |
254 |
1270 |
1361 |
1168 |
1 |
0 |
| ODI |
0 |
27 |
58 |
584 |
1165 |
1220 |
37 |
0 |
| CDI |
0 |
0 |
2 |
222 |
529 |
1561 |
155 |
0 |
| VCDI |
0 |
0 |
0 |
109 |
856 |
6410 |
19555 |
18982 |
|
Date: 2023-10-23:
| 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 |
106849 |
15568 |
697 |
1297 |
668 |
297 |
7 |
0 |
| OW |
113 |
941 |
279 |
1020 |
844 |
357 |
10 |
0 |
| VODI |
0 |
430 |
215 |
1175 |
1756 |
1306 |
23 |
0 |
| ODI |
0 |
170 |
85 |
532 |
1401 |
1144 |
30 |
0 |
| CDI |
0 |
42 |
22 |
233 |
995 |
1069 |
156 |
0 |
| VCDI |
0 |
0 |
0 |
102 |
1041 |
8312 |
19546 |
18316 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106826 |
15522 |
715 |
1346 |
578 |
309 |
3 |
0 |
| OW |
136 |
1036 |
259 |
1111 |
865 |
342 |
11 |
0 |
| VODI |
0 |
405 |
230 |
1081 |
1929 |
1331 |
19 |
0 |
| ODI |
0 |
143 |
68 |
501 |
1557 |
1217 |
35 |
0 |
| CDI |
0 |
45 |
26 |
217 |
874 |
1269 |
140 |
0 |
| VCDI |
0 |
0 |
0 |
103 |
902 |
8017 |
19564 |
18316 |
|
Date: 2023-10-25:
| 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 |
106925 |
14079 |
786 |
1300 |
650 |
244 |
0 |
0 |
| OW |
55 |
809 |
262 |
743 |
845 |
405 |
0 |
0 |
| VODI |
0 |
191 |
165 |
948 |
1408 |
1420 |
113 |
0 |
| ODI |
0 |
19 |
32 |
378 |
1550 |
2258 |
74 |
0 |
| CDI |
0 |
1 |
4 |
240 |
775 |
2061 |
149 |
0 |
| VCDI |
0 |
0 |
0 |
82 |
723 |
8720 |
18900 |
19734 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106845 |
13817 |
794 |
1222 |
535 |
234 |
18 |
0 |
| OW |
125 |
1050 |
277 |
864 |
944 |
607 |
99 |
0 |
| VODI |
10 |
207 |
128 |
876 |
1722 |
1697 |
88 |
0 |
| ODI |
0 |
25 |
44 |
375 |
1521 |
2535 |
174 |
0 |
| CDI |
0 |
0 |
6 |
266 |
561 |
2130 |
159 |
0 |
| VCDI |
0 |
0 |
0 |
88 |
668 |
7905 |
18698 |
19734 |
|
Date: 2023-10-27:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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