Validation of sea ice concentration - Full domain
Bulletin date: 2024-08-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-26:
| 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 |
90265 |
19473 |
198 |
126 |
11 |
1 |
0 |
0 |
| OW |
2250 |
4917 |
1072 |
913 |
100 |
14 |
0 |
0 |
| VODI |
2128 |
1288 |
1233 |
5422 |
2054 |
61 |
0 |
0 |
| ODI |
6 |
103 |
95 |
1829 |
10908 |
3227 |
3 |
0 |
| CDI |
0 |
118 |
13 |
89 |
5042 |
21788 |
2638 |
0 |
| VCDI |
0 |
11 |
11 |
78 |
590 |
1728 |
1007 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-28:
| 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 |
92234 |
18343 |
136 |
98 |
12 |
0 |
0 |
0 |
| OW |
2232 |
5477 |
1032 |
1094 |
139 |
3 |
0 |
0 |
| VODI |
2088 |
1396 |
1219 |
4574 |
2080 |
158 |
6 |
0 |
| ODI |
5 |
181 |
131 |
1965 |
9533 |
3812 |
152 |
0 |
| CDI |
0 |
117 |
31 |
110 |
4351 |
20924 |
4642 |
0 |
| VCDI |
0 |
55 |
23 |
150 |
462 |
1073 |
772 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-30:
| 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 |
92953 |
20983 |
270 |
195 |
20 |
0 |
0 |
0 |
| OW |
2007 |
4671 |
1217 |
950 |
94 |
5 |
0 |
0 |
| VODI |
2013 |
616 |
997 |
5347 |
1486 |
58 |
0 |
0 |
| ODI |
0 |
92 |
33 |
899 |
10675 |
2875 |
0 |
0 |
| CDI |
0 |
54 |
23 |
107 |
3923 |
22007 |
2035 |
0 |
| VCDI |
0 |
11 |
17 |
88 |
426 |
1490 |
2173 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-01:
| 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 |
98041 |
17037 |
163 |
98 |
13 |
0 |
0 |
0 |
| OW |
2180 |
4630 |
1001 |
867 |
130 |
2 |
0 |
0 |
| VODI |
2011 |
1162 |
1189 |
4759 |
1395 |
92 |
18 |
0 |
| ODI |
12 |
93 |
53 |
1381 |
9676 |
2003 |
187 |
0 |
| CDI |
0 |
110 |
27 |
115 |
5441 |
21843 |
1710 |
0 |
| VCDI |
0 |
122 |
40 |
162 |
287 |
2264 |
496 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98043 |
17306 |
192 |
121 |
12 |
0 |
0 |
0 |
| OW |
2183 |
4338 |
999 |
974 |
128 |
2 |
0 |
0 |
| VODI |
2006 |
1175 |
1168 |
4463 |
1383 |
98 |
15 |
0 |
| ODI |
12 |
96 |
46 |
1545 |
9507 |
2041 |
184 |
0 |
| CDI |
0 |
118 |
29 |
125 |
5643 |
21755 |
1721 |
0 |
| VCDI |
0 |
121 |
39 |
154 |
269 |
2308 |
491 |
0 |
|
Date: 2024-08-03:
| 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 |
99073 |
16308 |
133 |
37 |
1 |
0 |
0 |
0 |
| OW |
2163 |
5096 |
958 |
852 |
91 |
5 |
1 |
0 |
| VODI |
1972 |
1465 |
1191 |
4657 |
1466 |
91 |
15 |
0 |
| ODI |
15 |
119 |
76 |
1647 |
9104 |
2724 |
13 |
0 |
| CDI |
0 |
155 |
44 |
87 |
4707 |
21649 |
1877 |
0 |
| VCDI |
0 |
110 |
43 |
136 |
360 |
879 |
1490 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99029 |
16494 |
156 |
52 |
2 |
0 |
0 |
0 |
| OW |
2216 |
4935 |
955 |
950 |
80 |
8 |
3 |
0 |
| VODI |
1962 |
1431 |
1161 |
4472 |
1558 |
116 |
12 |
0 |
| ODI |
16 |
125 |
87 |
1663 |
8896 |
2991 |
10 |
0 |
| CDI |
0 |
161 |
47 |
156 |
4847 |
21299 |
1711 |
0 |
| VCDI |
0 |
107 |
39 |
123 |
346 |
934 |
1660 |
0 |
|
Date: 2024-08-05:
| 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 |
101294 |
16888 |
178 |
61 |
2 |
0 |
0 |
0 |
| OW |
2268 |
5290 |
928 |
469 |
37 |
0 |
0 |
0 |
| VODI |
1819 |
646 |
1035 |
4803 |
1159 |
31 |
6 |
0 |
| ODI |
1 |
81 |
38 |
1152 |
13969 |
3582 |
14 |
0 |
| CDI |
0 |
139 |
56 |
154 |
1759 |
19651 |
1147 |
0 |
| VCDI |
0 |
3 |
2 |
30 |
113 |
1489 |
516 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101069 |
14816 |
96 |
36 |
0 |
0 |
0 |
0 |
| OW |
2366 |
5721 |
701 |
545 |
62 |
13 |
8 |
0 |
| VODI |
1933 |
2016 |
1224 |
3884 |
1604 |
144 |
15 |
0 |
| ODI |
14 |
176 |
125 |
1899 |
9062 |
3309 |
55 |
0 |
| CDI |
0 |
192 |
45 |
177 |
6034 |
18394 |
1337 |
0 |
| VCDI |
0 |
126 |
46 |
128 |
277 |
2893 |
268 |
0 |
|
Date: 2024-08-07:
| 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 |
103633 |
15833 |
131 |
64 |
4 |
0 |
0 |
0 |
| OW |
2372 |
4567 |
801 |
536 |
81 |
5 |
1 |
0 |
| VODI |
1778 |
773 |
1079 |
4733 |
1255 |
141 |
6 |
0 |
| ODI |
3 |
105 |
29 |
1134 |
11684 |
5580 |
38 |
0 |
| CDI |
0 |
112 |
73 |
175 |
1770 |
14522 |
5136 |
2 |
| VCDI |
0 |
76 |
15 |
88 |
331 |
822 |
1188 |
134 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103114 |
13392 |
91 |
52 |
1 |
0 |
0 |
0 |
| OW |
2769 |
5480 |
663 |
636 |
83 |
30 |
8 |
0 |
| VODI |
1886 |
2031 |
1119 |
3693 |
1515 |
333 |
34 |
0 |
| ODI |
13 |
185 |
150 |
1980 |
7852 |
4725 |
151 |
0 |
| CDI |
4 |
208 |
24 |
163 |
5201 |
14687 |
4455 |
0 |
| VCDI |
0 |
170 |
81 |
206 |
473 |
1295 |
1721 |
136 |
|
Date: 2024-08-09:
| 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 |
105969 |
14760 |
125 |
60 |
1 |
0 |
0 |
0 |
| OW |
2326 |
4375 |
616 |
447 |
71 |
9 |
1 |
0 |
| VODI |
1741 |
1379 |
1132 |
4313 |
1146 |
106 |
11 |
0 |
| ODI |
2 |
110 |
34 |
1476 |
11714 |
4798 |
102 |
0 |
| CDI |
0 |
106 |
57 |
215 |
2010 |
12721 |
5724 |
211 |
| VCDI |
0 |
122 |
55 |
90 |
173 |
399 |
1449 |
654 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105102 |
12168 |
83 |
55 |
0 |
0 |
0 |
0 |
| OW |
3055 |
5423 |
589 |
714 |
57 |
25 |
12 |
0 |
| VODI |
1852 |
2571 |
1048 |
3362 |
1687 |
251 |
28 |
0 |
| ODI |
29 |
286 |
166 |
2059 |
7386 |
4561 |
331 |
0 |
| CDI |
0 |
217 |
41 |
199 |
5705 |
12278 |
5358 |
136 |
| VCDI |
0 |
187 |
92 |
212 |
280 |
918 |
1558 |
729 |
|
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