Validation of sea ice concentration - Full domain
Bulletin date: 2021-10-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-10-15:
| 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 |
111517 |
17950 |
158 |
651 |
235 |
7 |
0 |
0 |
| OW |
1 |
1928 |
195 |
1144 |
677 |
41 |
0 |
0 |
| VODI |
0 |
328 |
88 |
1033 |
1380 |
310 |
6 |
0 |
| ODI |
0 |
69 |
14 |
377 |
866 |
450 |
163 |
0 |
| CDI |
0 |
15 |
5 |
144 |
1024 |
1120 |
336 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
601 |
4906 |
15516 |
23765 |
|
...date precedes bulletin
|
Date: 2021-10-17:
| 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 |
110102 |
16844 |
202 |
755 |
209 |
1 |
0 |
0 |
| OW |
32 |
1683 |
144 |
958 |
824 |
147 |
0 |
0 |
| VODI |
0 |
457 |
93 |
948 |
1595 |
913 |
26 |
0 |
| ODI |
0 |
88 |
25 |
317 |
963 |
977 |
151 |
0 |
| CDI |
0 |
37 |
13 |
152 |
922 |
1055 |
425 |
0 |
| VCDI |
0 |
0 |
0 |
63 |
572 |
6858 |
14309 |
24188 |
|
...date precedes bulletin
|
Date: 2021-10-19:
| 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 |
109377 |
16017 |
222 |
1068 |
137 |
0 |
0 |
0 |
| OW |
16 |
888 |
155 |
1198 |
588 |
33 |
0 |
0 |
| VODI |
0 |
154 |
64 |
854 |
1228 |
205 |
0 |
0 |
| ODI |
0 |
18 |
8 |
196 |
1364 |
981 |
8 |
0 |
| CDI |
0 |
0 |
0 |
64 |
912 |
2940 |
284 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
620 |
6700 |
18537 |
22202 |
|
...date precedes bulletin
|
Date: 2021-10-21:
| 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 |
108330 |
14007 |
180 |
779 |
186 |
0 |
0 |
0 |
| OW |
12 |
1449 |
165 |
1463 |
1230 |
214 |
0 |
0 |
| VODI |
0 |
374 |
74 |
898 |
1135 |
666 |
2 |
0 |
| ODI |
0 |
94 |
31 |
454 |
904 |
733 |
20 |
0 |
| CDI |
0 |
18 |
11 |
242 |
1085 |
1495 |
374 |
22 |
| VCDI |
0 |
0 |
0 |
64 |
1274 |
8482 |
18140 |
22441 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108331 |
14317 |
215 |
1034 |
233 |
10 |
0 |
0 |
| OW |
11 |
1179 |
134 |
1173 |
1053 |
164 |
0 |
0 |
| VODI |
0 |
343 |
68 |
950 |
1232 |
628 |
2 |
0 |
| ODI |
0 |
92 |
34 |
449 |
964 |
788 |
35 |
0 |
| CDI |
0 |
10 |
9 |
235 |
1077 |
1564 |
358 |
29 |
| VCDI |
0 |
1 |
1 |
59 |
1255 |
8436 |
18141 |
22434 |
|
Date: 2021-10-23:
| 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 |
107411 |
12979 |
156 |
732 |
188 |
4 |
0 |
0 |
| OW |
32 |
1363 |
98 |
930 |
1113 |
435 |
7 |
0 |
| VODI |
0 |
465 |
65 |
756 |
1459 |
1322 |
62 |
0 |
| ODI |
0 |
92 |
32 |
376 |
819 |
1098 |
114 |
0 |
| CDI |
0 |
18 |
18 |
288 |
990 |
1181 |
474 |
9 |
| VCDI |
0 |
0 |
0 |
67 |
1310 |
7601 |
17567 |
25417 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107415 |
13446 |
181 |
888 |
347 |
32 |
0 |
0 |
| OW |
28 |
922 |
80 |
768 |
927 |
443 |
14 |
0 |
| VODI |
0 |
427 |
59 |
781 |
1517 |
1210 |
43 |
0 |
| ODI |
0 |
106 |
32 |
369 |
856 |
1092 |
106 |
0 |
| CDI |
0 |
16 |
17 |
285 |
940 |
1250 |
525 |
6 |
| VCDI |
0 |
0 |
0 |
58 |
1292 |
7614 |
17536 |
25420 |
|
Date: 2021-10-25:
| 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 |
105899 |
13623 |
177 |
617 |
159 |
0 |
0 |
0 |
| OW |
14 |
628 |
106 |
920 |
186 |
5 |
0 |
0 |
| VODI |
0 |
114 |
44 |
1162 |
992 |
29 |
0 |
0 |
| ODI |
0 |
7 |
3 |
198 |
2448 |
436 |
0 |
0 |
| CDI |
0 |
1 |
0 |
48 |
1200 |
3972 |
425 |
48 |
| VCDI |
0 |
0 |
0 |
8 |
368 |
6943 |
18529 |
27739 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105815 |
12792 |
165 |
932 |
388 |
1 |
0 |
0 |
| OW |
98 |
1233 |
85 |
811 |
599 |
408 |
0 |
0 |
| VODI |
0 |
288 |
58 |
699 |
1489 |
1403 |
205 |
0 |
| ODI |
0 |
51 |
16 |
305 |
1225 |
1059 |
319 |
0 |
| CDI |
0 |
9 |
6 |
170 |
916 |
1665 |
487 |
63 |
| VCDI |
0 |
0 |
0 |
36 |
736 |
6849 |
17943 |
27724 |
|
Date: 2021-10-27:
| 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 |
103974 |
14160 |
162 |
691 |
234 |
23 |
0 |
0 |
| OW |
11 |
554 |
72 |
736 |
491 |
76 |
0 |
0 |
| VODI |
0 |
142 |
31 |
689 |
999 |
351 |
1 |
0 |
| ODI |
0 |
12 |
2 |
211 |
938 |
927 |
10 |
0 |
| CDI |
0 |
4 |
1 |
36 |
901 |
2912 |
405 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
314 |
8294 |
18399 |
30274 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103757 |
13226 |
135 |
732 |
342 |
96 |
0 |
0 |
| OW |
222 |
1018 |
57 |
599 |
519 |
399 |
46 |
0 |
| VODI |
6 |
497 |
45 |
510 |
1126 |
1522 |
528 |
0 |
| ODI |
0 |
101 |
24 |
323 |
575 |
1479 |
772 |
0 |
| CDI |
0 |
29 |
6 |
161 |
793 |
1897 |
742 |
26 |
| VCDI |
0 |
1 |
1 |
49 |
522 |
7190 |
16727 |
30248 |
|
Date: 2021-10-29:
| 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 |
102515 |
14325 |
145 |
742 |
265 |
33 |
0 |
0 |
| OW |
11 |
676 |
84 |
649 |
442 |
100 |
0 |
0 |
| VODI |
0 |
170 |
46 |
611 |
858 |
503 |
58 |
0 |
| ODI |
0 |
24 |
5 |
184 |
703 |
771 |
174 |
0 |
| CDI |
0 |
13 |
2 |
62 |
630 |
1807 |
347 |
0 |
| VCDI |
0 |
2 |
0 |
20 |
278 |
7959 |
21783 |
30051 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
102513 |
13420 |
122 |
737 |
419 |
117 |
26 |
0 |
| OW |
13 |
991 |
58 |
416 |
468 |
301 |
109 |
0 |
| VODI |
0 |
592 |
61 |
571 |
744 |
1640 |
323 |
0 |
| ODI |
0 |
138 |
26 |
288 |
479 |
1588 |
998 |
0 |
| CDI |
0 |
42 |
10 |
151 |
520 |
1934 |
1215 |
0 |
| VCDI |
0 |
27 |
5 |
105 |
546 |
5593 |
19691 |
30051 |
|
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