Validation of sea ice concentration - Full domain
Bulletin date: 2023-10-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-29:
| 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 |
129394 |
14704 |
658 |
1076 |
190 |
4 |
0 |
0 |
| OW |
0 |
1216 |
327 |
1016 |
239 |
12 |
0 |
0 |
| VODI |
0 |
111 |
157 |
1279 |
1175 |
84 |
0 |
0 |
| ODI |
0 |
0 |
5 |
263 |
1996 |
859 |
6 |
0 |
| CDI |
0 |
0 |
0 |
37 |
836 |
3334 |
656 |
27 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
1356 |
12244 |
13734 |
|
...date precedes bulletin
|
Date: 2023-10-01:
| 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 |
125838 |
17189 |
570 |
905 |
204 |
102 |
0 |
0 |
| OW |
0 |
1337 |
434 |
959 |
376 |
45 |
0 |
0 |
| VODI |
0 |
123 |
122 |
1157 |
1206 |
415 |
1 |
0 |
| ODI |
0 |
18 |
13 |
272 |
1097 |
1398 |
83 |
0 |
| CDI |
0 |
1 |
14 |
50 |
507 |
3185 |
946 |
1 |
| VCDI |
0 |
0 |
0 |
30 |
100 |
1040 |
15392 |
11918 |
|
...date precedes bulletin
|
Date: 2023-10-03:
| 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 |
124183 |
18512 |
884 |
1390 |
163 |
14 |
0 |
0 |
| OW |
0 |
370 |
288 |
790 |
294 |
18 |
0 |
0 |
| VODI |
0 |
29 |
59 |
955 |
700 |
171 |
0 |
0 |
| ODI |
0 |
0 |
4 |
253 |
1132 |
677 |
0 |
0 |
| CDI |
0 |
0 |
0 |
71 |
1011 |
3559 |
384 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
167 |
5152 |
22579 |
3234 |
|
...date precedes bulletin
|
Date: 2023-10-05:
| 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 |
122425 |
18261 |
751 |
1422 |
498 |
102 |
6 |
0 |
| OW |
0 |
849 |
245 |
888 |
640 |
102 |
6 |
0 |
| VODI |
0 |
144 |
120 |
582 |
786 |
436 |
8 |
0 |
| ODI |
0 |
20 |
55 |
297 |
479 |
939 |
47 |
0 |
| CDI |
0 |
1 |
23 |
200 |
649 |
2148 |
1402 |
5 |
| VCDI |
0 |
0 |
0 |
66 |
398 |
3920 |
18263 |
9865 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122418 |
18457 |
803 |
1642 |
600 |
103 |
7 |
0 |
| OW |
7 |
713 |
200 |
647 |
550 |
67 |
5 |
0 |
| VODI |
0 |
95 |
129 |
601 |
701 |
417 |
8 |
0 |
| ODI |
0 |
10 |
46 |
311 |
530 |
820 |
41 |
0 |
| CDI |
0 |
0 |
16 |
210 |
701 |
2251 |
1310 |
5 |
| VCDI |
0 |
0 |
0 |
44 |
368 |
3989 |
18361 |
9865 |
|
Date: 2023-10-07:
| 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 |
120124 |
18485 |
646 |
1460 |
568 |
208 |
16 |
0 |
| OW |
0 |
1226 |
354 |
871 |
922 |
182 |
36 |
0 |
| VODI |
0 |
211 |
205 |
619 |
706 |
669 |
124 |
0 |
| ODI |
0 |
45 |
42 |
392 |
373 |
764 |
216 |
0 |
| CDI |
0 |
19 |
38 |
233 |
502 |
1220 |
1079 |
0 |
| VCDI |
0 |
0 |
6 |
112 |
466 |
3220 |
15846 |
14843 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120104 |
18575 |
739 |
1728 |
785 |
214 |
15 |
0 |
| OW |
20 |
1095 |
264 |
594 |
711 |
190 |
30 |
0 |
| VODI |
0 |
258 |
194 |
652 |
657 |
534 |
85 |
0 |
| ODI |
0 |
42 |
54 |
397 |
381 |
691 |
192 |
0 |
| CDI |
0 |
16 |
37 |
242 |
593 |
1267 |
879 |
17 |
| VCDI |
0 |
0 |
3 |
74 |
410 |
3367 |
16116 |
14826 |
|
Date: 2023-10-09:
| 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 |
119468 |
18669 |
905 |
1284 |
488 |
39 |
0 |
0 |
| OW |
0 |
167 |
279 |
1155 |
285 |
61 |
0 |
0 |
| VODI |
0 |
15 |
36 |
1105 |
721 |
116 |
6 |
0 |
| ODI |
0 |
0 |
15 |
196 |
1470 |
318 |
36 |
0 |
| CDI |
0 |
0 |
0 |
69 |
619 |
2765 |
457 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
83 |
2220 |
15465 |
18535 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119464 |
17576 |
778 |
1684 |
912 |
190 |
0 |
0 |
| OW |
4 |
1042 |
233 |
826 |
748 |
295 |
18 |
0 |
| VODI |
0 |
193 |
176 |
647 |
813 |
760 |
119 |
0 |
| ODI |
0 |
33 |
20 |
380 |
311 |
701 |
383 |
0 |
| CDI |
0 |
7 |
28 |
217 |
583 |
566 |
1237 |
0 |
| VCDI |
0 |
0 |
0 |
56 |
299 |
3007 |
14207 |
18535 |
|
Date: 2023-10-11:
| 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 |
117857 |
18262 |
968 |
1767 |
396 |
37 |
0 |
0 |
| OW |
5 |
407 |
213 |
1195 |
621 |
51 |
0 |
0 |
| VODI |
0 |
65 |
50 |
696 |
1202 |
157 |
2 |
0 |
| ODI |
0 |
7 |
10 |
168 |
1120 |
516 |
20 |
0 |
| CDI |
0 |
0 |
2 |
77 |
550 |
1966 |
449 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
168 |
2445 |
15069 |
20525 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
117854 |
17512 |
841 |
1827 |
843 |
174 |
0 |
0 |
| OW |
8 |
850 |
213 |
923 |
801 |
275 |
11 |
0 |
| VODI |
0 |
322 |
108 |
662 |
1207 |
872 |
187 |
0 |
| ODI |
0 |
45 |
58 |
201 |
434 |
750 |
417 |
0 |
| CDI |
0 |
12 |
23 |
198 |
322 |
865 |
797 |
0 |
| VCDI |
0 |
0 |
0 |
97 |
450 |
2236 |
14128 |
20525 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118464 |
15793 |
714 |
1296 |
796 |
264 |
4 |
0 |
| OW |
172 |
1109 |
224 |
875 |
921 |
296 |
9 |
0 |
| VODI |
0 |
525 |
159 |
641 |
1145 |
999 |
151 |
0 |
| ODI |
0 |
75 |
53 |
282 |
331 |
880 |
590 |
0 |
| CDI |
0 |
57 |
39 |
179 |
195 |
699 |
715 |
0 |
| VCDI |
0 |
7 |
36 |
274 |
605 |
3249 |
15842 |
18383 |
|
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