Validation of sea ice concentration - Full domain
Bulletin date: 2023-06-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-26:
| 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 |
72148 |
16234 |
721 |
1210 |
452 |
141 |
32 |
0 |
| OW |
59 |
600 |
252 |
657 |
409 |
87 |
37 |
0 |
| VODI |
0 |
336 |
178 |
708 |
912 |
284 |
63 |
0 |
| ODI |
0 |
224 |
104 |
445 |
1185 |
777 |
263 |
0 |
| CDI |
0 |
323 |
129 |
579 |
1930 |
4332 |
2226 |
3 |
| VCDI |
0 |
167 |
105 |
400 |
1128 |
12085 |
47158 |
17965 |
|
...date precedes bulletin
|
Date: 2023-05-28:
| 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 |
72350 |
16225 |
722 |
1354 |
532 |
145 |
35 |
0 |
| OW |
56 |
549 |
255 |
742 |
513 |
123 |
17 |
0 |
| VODI |
0 |
345 |
148 |
756 |
999 |
353 |
87 |
0 |
| ODI |
0 |
284 |
120 |
410 |
1085 |
953 |
371 |
0 |
| CDI |
0 |
410 |
174 |
567 |
1870 |
3892 |
3452 |
0 |
| VCDI |
0 |
247 |
146 |
535 |
1229 |
11039 |
54367 |
9591 |
|
...date precedes bulletin
|
Date: 2023-05-30:
| 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 |
73135 |
16369 |
752 |
1369 |
469 |
92 |
34 |
0 |
| OW |
51 |
592 |
287 |
968 |
514 |
52 |
8 |
0 |
| VODI |
0 |
340 |
185 |
886 |
1425 |
354 |
31 |
0 |
| ODI |
0 |
220 |
106 |
480 |
1768 |
1389 |
143 |
0 |
| CDI |
0 |
241 |
132 |
577 |
2450 |
7795 |
2496 |
4 |
| VCDI |
0 |
57 |
64 |
323 |
960 |
8498 |
53699 |
7733 |
|
...date precedes bulletin
|
Date: 2023-06-01:
| 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 |
73240 |
17042 |
890 |
1536 |
492 |
58 |
0 |
0 |
| OW |
50 |
527 |
267 |
896 |
780 |
233 |
22 |
0 |
| VODI |
0 |
382 |
172 |
704 |
1101 |
607 |
206 |
0 |
| ODI |
0 |
217 |
89 |
506 |
1465 |
1232 |
741 |
1 |
| CDI |
0 |
265 |
114 |
407 |
1797 |
5575 |
5219 |
2 |
| VCDI |
0 |
116 |
83 |
326 |
786 |
10397 |
51181 |
7324 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73240 |
17122 |
931 |
1667 |
600 |
83 |
0 |
0 |
| OW |
50 |
484 |
229 |
763 |
678 |
206 |
14 |
0 |
| VODI |
0 |
354 |
168 |
705 |
1103 |
627 |
208 |
0 |
| ODI |
0 |
211 |
88 |
510 |
1447 |
1157 |
705 |
1 |
| CDI |
0 |
265 |
115 |
405 |
1793 |
5555 |
5334 |
2 |
| VCDI |
0 |
113 |
84 |
325 |
800 |
10474 |
51108 |
7324 |
|
Date: 2023-06-03:
| 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 |
73462 |
16876 |
1035 |
1860 |
737 |
93 |
24 |
0 |
| OW |
50 |
535 |
214 |
908 |
888 |
173 |
29 |
0 |
| VODI |
0 |
377 |
180 |
797 |
1420 |
510 |
116 |
0 |
| ODI |
0 |
253 |
125 |
621 |
1770 |
1507 |
436 |
0 |
| CDI |
0 |
267 |
125 |
626 |
2835 |
4694 |
4685 |
5 |
| VCDI |
0 |
106 |
87 |
304 |
693 |
7884 |
49567 |
10174 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73462 |
16967 |
1058 |
1970 |
819 |
111 |
20 |
0 |
| OW |
50 |
454 |
193 |
745 |
787 |
140 |
37 |
0 |
| VODI |
0 |
358 |
175 |
852 |
1440 |
498 |
116 |
0 |
| ODI |
0 |
260 |
130 |
603 |
1712 |
1441 |
475 |
0 |
| CDI |
0 |
267 |
125 |
633 |
2842 |
4756 |
4789 |
5 |
| VCDI |
0 |
108 |
85 |
313 |
743 |
7915 |
49420 |
10174 |
|
Date: 2023-06-05:
| 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 |
72707 |
18442 |
1029 |
1612 |
638 |
97 |
3 |
0 |
| OW |
50 |
664 |
317 |
835 |
477 |
120 |
1 |
0 |
| VODI |
0 |
329 |
243 |
1108 |
1174 |
281 |
9 |
0 |
| ODI |
0 |
200 |
127 |
592 |
2805 |
1360 |
143 |
0 |
| CDI |
0 |
123 |
122 |
414 |
2009 |
6500 |
3015 |
9 |
| VCDI |
0 |
4 |
11 |
146 |
408 |
7763 |
52547 |
8614 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72712 |
18190 |
1097 |
2033 |
1010 |
274 |
4 |
0 |
| OW |
45 |
544 |
196 |
668 |
700 |
321 |
54 |
0 |
| VODI |
0 |
375 |
201 |
703 |
1421 |
846 |
319 |
0 |
| ODI |
0 |
242 |
110 |
463 |
1666 |
1434 |
1398 |
0 |
| CDI |
0 |
303 |
166 |
546 |
1954 |
4972 |
4146 |
0 |
| VCDI |
0 |
108 |
79 |
294 |
760 |
8274 |
49797 |
8623 |
|
Date: 2023-06-07:
| 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 |
75301 |
16567 |
1088 |
1950 |
767 |
68 |
0 |
0 |
| OW |
44 |
529 |
273 |
885 |
650 |
78 |
1 |
0 |
| VODI |
0 |
312 |
169 |
956 |
1720 |
356 |
30 |
0 |
| ODI |
0 |
193 |
124 |
629 |
2304 |
1519 |
189 |
0 |
| CDI |
0 |
211 |
162 |
1258 |
2650 |
5817 |
3251 |
0 |
| VCDI |
0 |
34 |
37 |
401 |
564 |
9099 |
49661 |
7201 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75302 |
15956 |
1064 |
2246 |
1331 |
162 |
1 |
0 |
| OW |
43 |
590 |
173 |
660 |
1058 |
282 |
38 |
0 |
| VODI |
0 |
450 |
187 |
840 |
1732 |
782 |
195 |
0 |
| ODI |
0 |
285 |
147 |
1007 |
1793 |
1662 |
582 |
0 |
| CDI |
0 |
390 |
192 |
918 |
2043 |
4809 |
3858 |
0 |
| VCDI |
0 |
175 |
90 |
408 |
698 |
9240 |
48458 |
7201 |
|
Date: 2023-06-09:
| 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 |
75124 |
17181 |
1089 |
2229 |
704 |
68 |
1 |
0 |
| OW |
42 |
582 |
310 |
1094 |
786 |
77 |
2 |
0 |
| VODI |
0 |
369 |
192 |
1211 |
2052 |
363 |
41 |
0 |
| ODI |
0 |
258 |
120 |
606 |
2259 |
1404 |
179 |
0 |
| CDI |
0 |
212 |
125 |
520 |
3274 |
6573 |
2520 |
0 |
| VCDI |
0 |
73 |
48 |
167 |
859 |
9015 |
48776 |
6543 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75125 |
16537 |
1068 |
2618 |
1492 |
154 |
6 |
0 |
| OW |
41 |
610 |
225 |
848 |
1240 |
253 |
29 |
0 |
| VODI |
0 |
452 |
173 |
879 |
1980 |
850 |
128 |
0 |
| ODI |
0 |
380 |
134 |
518 |
2233 |
2353 |
281 |
0 |
| CDI |
0 |
496 |
204 |
714 |
2009 |
4786 |
3393 |
37 |
| VCDI |
0 |
200 |
80 |
250 |
980 |
9104 |
47682 |
6506 |
|
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