Validation of sea ice concentration
Bulletin date: 2024-01-18
Model vs. observations, sea ice class contingency tables
Date: 2024-01-12:
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 |
54378 |
21951 |
1652 |
419 |
196 |
64 |
0 |
0 |
OW |
0 |
829 |
1587 |
796 |
363 |
168 |
3 |
0 |
VODI |
0 |
242 |
1062 |
931 |
794 |
624 |
125 |
0 |
ODI |
0 |
82 |
403 |
474 |
617 |
1047 |
995 |
1 |
CDI |
0 |
55 |
298 |
363 |
533 |
1245 |
5145 |
35 |
VCDI |
0 |
6 |
65 |
73 |
123 |
425 |
27447 |
32852 |
|
...date precedes bulletin
|
Date: 2024-01-16:
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 |
53473 |
21046 |
1999 |
90 |
52 |
9 |
0 |
0 |
OW |
0 |
483 |
2315 |
1215 |
126 |
115 |
0 |
0 |
VODI |
0 |
12 |
966 |
1461 |
1020 |
562 |
93 |
0 |
ODI |
0 |
0 |
187 |
486 |
930 |
1051 |
435 |
0 |
CDI |
0 |
0 |
70 |
312 |
800 |
1879 |
2970 |
17 |
VCDI |
0 |
0 |
10 |
181 |
358 |
1324 |
33632 |
28789 |
|
...date precedes bulletin
|
Date: 2024-01-18:
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 |
54442 |
20778 |
970 |
116 |
19 |
0 |
0 |
0 |
OW |
0 |
1375 |
1679 |
801 |
134 |
27 |
0 |
0 |
VODI |
0 |
260 |
1197 |
1402 |
563 |
401 |
16 |
0 |
ODI |
0 |
71 |
409 |
921 |
662 |
845 |
222 |
1 |
CDI |
0 |
4 |
157 |
670 |
778 |
1436 |
2464 |
188 |
VCDI |
0 |
0 |
2 |
186 |
487 |
1214 |
36678 |
26893 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
54442 |
20840 |
999 |
121 |
33 |
0 |
0 |
0 |
OW |
0 |
1319 |
1642 |
754 |
138 |
34 |
0 |
0 |
VODI |
0 |
250 |
1204 |
1456 |
579 |
387 |
22 |
0 |
ODI |
0 |
74 |
411 |
919 |
630 |
896 |
223 |
1 |
CDI |
0 |
5 |
156 |
667 |
843 |
1492 |
2613 |
196 |
VCDI |
0 |
0 |
2 |
179 |
420 |
1114 |
36522 |
26885 |
|
Date: 2024-01-22:
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 |
56332 |
20611 |
1463 |
142 |
5 |
1 |
1 |
0 |
OW |
0 |
1158 |
1748 |
794 |
157 |
17 |
31 |
0 |
VODI |
0 |
195 |
641 |
1022 |
527 |
312 |
108 |
0 |
ODI |
0 |
40 |
212 |
891 |
550 |
510 |
195 |
0 |
CDI |
0 |
73 |
227 |
692 |
887 |
2256 |
2032 |
60 |
VCDI |
0 |
0 |
34 |
169 |
389 |
4306 |
32418 |
27262 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
56332 |
19710 |
1021 |
225 |
39 |
1 |
0 |
0 |
OW |
0 |
1307 |
1298 |
503 |
151 |
113 |
23 |
0 |
VODI |
0 |
533 |
855 |
682 |
386 |
259 |
99 |
0 |
ODI |
0 |
252 |
479 |
750 |
490 |
405 |
237 |
1 |
CDI |
0 |
165 |
415 |
1171 |
953 |
2380 |
2274 |
58 |
VCDI |
0 |
110 |
257 |
379 |
496 |
4244 |
32152 |
27263 |
|
Date: 2024-01-24:
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 |
57675 |
19838 |
1296 |
97 |
26 |
0 |
0 |
0 |
OW |
0 |
1200 |
1325 |
464 |
98 |
9 |
1 |
0 |
VODI |
0 |
400 |
839 |
1087 |
515 |
253 |
38 |
0 |
ODI |
0 |
174 |
427 |
1064 |
680 |
466 |
178 |
11 |
CDI |
0 |
153 |
377 |
818 |
752 |
1295 |
3192 |
94 |
VCDI |
0 |
152 |
376 |
479 |
605 |
3180 |
35957 |
22877 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
57675 |
18452 |
1040 |
154 |
38 |
15 |
0 |
0 |
OW |
0 |
1589 |
1027 |
333 |
96 |
82 |
0 |
0 |
VODI |
0 |
808 |
871 |
766 |
302 |
201 |
13 |
0 |
ODI |
0 |
462 |
517 |
841 |
692 |
490 |
146 |
0 |
CDI |
0 |
324 |
717 |
1414 |
971 |
1529 |
3075 |
43 |
VCDI |
0 |
282 |
468 |
501 |
577 |
2886 |
36132 |
22939 |
|
Date: 2024-01-26:
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 |
58361 |
19373 |
1043 |
96 |
1 |
1 |
0 |
0 |
OW |
0 |
1259 |
1152 |
305 |
45 |
10 |
11 |
0 |
VODI |
0 |
658 |
1286 |
1118 |
461 |
121 |
88 |
0 |
ODI |
0 |
323 |
523 |
1171 |
527 |
354 |
308 |
0 |
CDI |
0 |
370 |
677 |
1129 |
806 |
1232 |
2916 |
70 |
VCDI |
0 |
395 |
780 |
1184 |
740 |
2918 |
38596 |
18060 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
58361 |
18031 |
1190 |
209 |
48 |
1 |
0 |
0 |
OW |
0 |
1566 |
818 |
355 |
132 |
47 |
6 |
0 |
VODI |
0 |
1046 |
885 |
694 |
320 |
194 |
34 |
0 |
ODI |
0 |
617 |
763 |
924 |
432 |
326 |
205 |
23 |
CDI |
0 |
655 |
1067 |
1581 |
841 |
1068 |
2945 |
96 |
VCDI |
0 |
463 |
738 |
1240 |
807 |
3000 |
38729 |
18011 |
|
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