Validation of sea ice concentration - Full domain
Bulletin date: 2022-08-25
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-19:
| 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 |
96457 |
33423 |
3809 |
1324 |
103 |
0 |
0 |
0 |
| OW |
0 |
762 |
793 |
1093 |
168 |
16 |
1 |
0 |
| VODI |
0 |
364 |
453 |
3836 |
1424 |
137 |
2 |
0 |
| ODI |
0 |
29 |
124 |
1936 |
6206 |
3748 |
60 |
0 |
| CDI |
0 |
4 |
6 |
185 |
4111 |
10444 |
3821 |
106 |
| VCDI |
0 |
3 |
0 |
10 |
40 |
2178 |
7380 |
2492 |
|
...date precedes bulletin
|
Date: 2022-08-21:
| 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 |
94869 |
36012 |
3052 |
1233 |
111 |
1 |
0 |
0 |
| OW |
0 |
1074 |
866 |
1113 |
202 |
9 |
0 |
0 |
| VODI |
0 |
525 |
516 |
3613 |
1604 |
224 |
0 |
0 |
| ODI |
0 |
77 |
156 |
1821 |
5800 |
3607 |
51 |
0 |
| CDI |
0 |
8 |
7 |
215 |
3712 |
10741 |
4203 |
12 |
| VCDI |
0 |
6 |
1 |
6 |
43 |
1414 |
8506 |
1638 |
|
...date precedes bulletin
|
Date: 2022-08-23:
| 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 |
101288 |
32037 |
3622 |
1002 |
107 |
0 |
0 |
0 |
| OW |
0 |
597 |
773 |
1019 |
162 |
3 |
0 |
0 |
| VODI |
0 |
100 |
544 |
3962 |
1281 |
77 |
1 |
0 |
| ODI |
0 |
6 |
15 |
1259 |
6110 |
1729 |
54 |
0 |
| CDI |
0 |
2 |
1 |
133 |
3715 |
11874 |
1773 |
0 |
| VCDI |
0 |
4 |
0 |
5 |
39 |
1840 |
10283 |
1631 |
|
...date precedes bulletin
|
Date: 2022-08-25:
| 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 |
111576 |
23827 |
2119 |
941 |
93 |
5 |
0 |
0 |
| OW |
0 |
685 |
776 |
1164 |
124 |
2 |
0 |
0 |
| VODI |
0 |
148 |
530 |
4031 |
1245 |
44 |
0 |
0 |
| ODI |
0 |
10 |
28 |
1633 |
5960 |
986 |
14 |
0 |
| CDI |
0 |
9 |
5 |
192 |
6233 |
9884 |
775 |
0 |
| VCDI |
0 |
4 |
1 |
5 |
95 |
5112 |
8040 |
752 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111576 |
23907 |
2221 |
1102 |
107 |
4 |
0 |
0 |
| OW |
0 |
631 |
730 |
1187 |
127 |
4 |
0 |
0 |
| VODI |
0 |
120 |
463 |
3833 |
1244 |
51 |
0 |
0 |
| ODI |
0 |
11 |
35 |
1629 |
5802 |
976 |
43 |
0 |
| CDI |
0 |
12 |
9 |
210 |
6385 |
9903 |
734 |
0 |
| VCDI |
0 |
2 |
1 |
5 |
85 |
5095 |
8052 |
752 |
|
Date: 2022-08-27:
| 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 |
106822 |
27575 |
3226 |
1019 |
42 |
0 |
0 |
0 |
| OW |
0 |
728 |
931 |
1375 |
62 |
0 |
0 |
0 |
| VODI |
0 |
159 |
598 |
4037 |
957 |
60 |
0 |
0 |
| ODI |
0 |
5 |
32 |
1918 |
5831 |
800 |
33 |
0 |
| CDI |
0 |
5 |
7 |
285 |
7051 |
8122 |
1095 |
3 |
| VCDI |
0 |
2 |
2 |
3 |
32 |
4460 |
9513 |
258 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106822 |
27727 |
3418 |
1248 |
42 |
0 |
0 |
0 |
| OW |
0 |
579 |
791 |
1258 |
78 |
0 |
0 |
0 |
| VODI |
0 |
156 |
538 |
3967 |
983 |
70 |
3 |
0 |
| ODI |
0 |
5 |
40 |
1823 |
5418 |
840 |
35 |
0 |
| CDI |
0 |
7 |
7 |
338 |
7430 |
8058 |
1099 |
2 |
| VCDI |
0 |
0 |
2 |
3 |
24 |
4474 |
9504 |
259 |
|
Date: 2022-08-29:
| 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 |
107700 |
27289 |
4506 |
1387 |
77 |
7 |
1 |
0 |
| OW |
0 |
392 |
773 |
1451 |
79 |
2 |
0 |
0 |
| VODI |
0 |
86 |
379 |
3704 |
1036 |
32 |
1 |
0 |
| ODI |
0 |
3 |
13 |
1291 |
9424 |
1280 |
38 |
0 |
| CDI |
0 |
9 |
3 |
139 |
2997 |
8551 |
665 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
5460 |
7433 |
812 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107700 |
26749 |
3836 |
1194 |
91 |
7 |
1 |
0 |
| OW |
0 |
730 |
859 |
974 |
115 |
9 |
1 |
0 |
| VODI |
0 |
273 |
914 |
3307 |
938 |
200 |
22 |
0 |
| ODI |
0 |
17 |
62 |
1917 |
5160 |
897 |
94 |
0 |
| CDI |
0 |
10 |
2 |
579 |
7289 |
8125 |
762 |
22 |
| VCDI |
0 |
0 |
1 |
1 |
42 |
6094 |
7258 |
796 |
|
Date: 2022-08-31:
| 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 |
108705 |
27590 |
4105 |
1311 |
41 |
1 |
0 |
0 |
| OW |
0 |
461 |
696 |
1253 |
90 |
5 |
0 |
0 |
| VODI |
0 |
130 |
566 |
3245 |
971 |
41 |
3 |
0 |
| ODI |
0 |
16 |
45 |
1620 |
7622 |
2206 |
103 |
0 |
| CDI |
0 |
8 |
5 |
282 |
2583 |
8763 |
701 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
43 |
6938 |
6540 |
357 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108705 |
26775 |
3235 |
1085 |
45 |
0 |
0 |
0 |
| OW |
0 |
876 |
896 |
763 |
103 |
9 |
4 |
0 |
| VODI |
0 |
494 |
1101 |
2930 |
886 |
144 |
43 |
0 |
| ODI |
0 |
51 |
174 |
2102 |
4428 |
1101 |
137 |
0 |
| CDI |
0 |
8 |
10 |
828 |
5820 |
9170 |
731 |
0 |
| VCDI |
0 |
1 |
1 |
5 |
68 |
7530 |
6432 |
357 |
|
Date: 2022-09-02:
| 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 |
114387 |
23465 |
2681 |
1297 |
45 |
8 |
1 |
0 |
| OW |
0 |
556 |
787 |
1204 |
86 |
0 |
0 |
0 |
| VODI |
0 |
130 |
628 |
3124 |
882 |
76 |
0 |
0 |
| ODI |
0 |
7 |
40 |
1716 |
6414 |
2677 |
74 |
0 |
| CDI |
0 |
9 |
21 |
418 |
3144 |
7302 |
1896 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
175 |
6245 |
6811 |
735 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
114387 |
22587 |
1802 |
1059 |
40 |
10 |
1 |
0 |
| OW |
0 |
988 |
819 |
677 |
127 |
24 |
0 |
0 |
| VODI |
0 |
560 |
1222 |
2873 |
724 |
222 |
7 |
0 |
| ODI |
0 |
22 |
295 |
2139 |
3587 |
1423 |
75 |
0 |
| CDI |
0 |
10 |
18 |
1008 |
6016 |
7774 |
1678 |
25 |
| VCDI |
0 |
0 |
1 |
10 |
252 |
6855 |
7021 |
710 |
|
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