Validation of sea ice concentration - Full domain
Bulletin date: 2024-07-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-05:
| 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 |
74435 |
18111 |
323 |
251 |
43 |
3 |
0 |
0 |
| OW |
1283 |
5019 |
793 |
914 |
222 |
32 |
3 |
0 |
| VODI |
2946 |
1598 |
1068 |
3721 |
2371 |
278 |
2 |
0 |
| ODI |
0 |
203 |
194 |
1657 |
7016 |
1891 |
10 |
0 |
| CDI |
24 |
28 |
65 |
785 |
7449 |
25247 |
768 |
0 |
| VCDI |
9 |
2 |
5 |
45 |
1489 |
17552 |
2955 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-07:
| 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 |
76956 |
16625 |
330 |
210 |
47 |
9 |
1 |
0 |
| OW |
1377 |
5011 |
814 |
1027 |
299 |
39 |
4 |
0 |
| VODI |
2925 |
1635 |
1063 |
3559 |
2444 |
324 |
10 |
0 |
| ODI |
0 |
263 |
213 |
1663 |
6319 |
1970 |
85 |
0 |
| CDI |
23 |
75 |
95 |
1053 |
8044 |
23266 |
686 |
0 |
| VCDI |
10 |
10 |
10 |
50 |
1368 |
19541 |
1357 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-09:
| 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 |
77839 |
18810 |
293 |
169 |
47 |
5 |
0 |
0 |
| OW |
1386 |
4615 |
1049 |
955 |
90 |
26 |
5 |
0 |
| VODI |
2837 |
1019 |
1180 |
4967 |
1694 |
105 |
8 |
0 |
| ODI |
8 |
85 |
119 |
1875 |
9201 |
2628 |
23 |
0 |
| CDI |
17 |
18 |
21 |
319 |
8586 |
29203 |
272 |
0 |
| VCDI |
2 |
11 |
8 |
25 |
628 |
9473 |
1189 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-11:
| 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 |
78232 |
18871 |
241 |
143 |
46 |
7 |
0 |
0 |
| OW |
1417 |
5074 |
1098 |
1040 |
121 |
33 |
1 |
0 |
| VODI |
2818 |
1593 |
1349 |
4609 |
1963 |
123 |
1 |
0 |
| ODI |
7 |
183 |
179 |
2002 |
7910 |
3712 |
2 |
0 |
| CDI |
15 |
30 |
28 |
405 |
5101 |
31966 |
61 |
0 |
| VCDI |
0 |
18 |
6 |
41 |
1024 |
9330 |
10 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78233 |
19186 |
257 |
153 |
55 |
11 |
0 |
0 |
| OW |
1414 |
4740 |
1090 |
1056 |
124 |
30 |
1 |
0 |
| VODI |
2818 |
1610 |
1327 |
4375 |
1826 |
127 |
1 |
0 |
| ODI |
5 |
187 |
192 |
2198 |
8062 |
3928 |
3 |
0 |
| CDI |
13 |
26 |
27 |
413 |
5104 |
30998 |
57 |
0 |
| VCDI |
6 |
20 |
8 |
45 |
994 |
10077 |
13 |
0 |
|
Date: 2024-07-13:
| 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 |
80545 |
17332 |
183 |
158 |
48 |
15 |
0 |
0 |
| OW |
1439 |
5725 |
1100 |
949 |
195 |
30 |
2 |
0 |
| VODI |
2784 |
2126 |
1376 |
4072 |
2168 |
183 |
0 |
0 |
| ODI |
11 |
287 |
222 |
2492 |
7921 |
1270 |
0 |
0 |
| CDI |
13 |
41 |
34 |
449 |
8495 |
34240 |
146 |
0 |
| VCDI |
0 |
20 |
13 |
63 |
587 |
4035 |
41 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80548 |
17707 |
217 |
211 |
60 |
18 |
0 |
0 |
| OW |
1434 |
5260 |
1059 |
991 |
200 |
32 |
2 |
0 |
| VODI |
2785 |
2205 |
1363 |
3873 |
2227 |
202 |
0 |
0 |
| ODI |
7 |
286 |
241 |
2567 |
7937 |
1352 |
2 |
0 |
| CDI |
16 |
50 |
35 |
469 |
8272 |
33537 |
143 |
0 |
| VCDI |
2 |
23 |
13 |
72 |
718 |
4632 |
42 |
0 |
|
Date: 2024-07-15:
| 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 |
81928 |
19627 |
257 |
179 |
21 |
0 |
0 |
0 |
| OW |
1619 |
6521 |
1320 |
962 |
80 |
11 |
0 |
0 |
| VODI |
2529 |
999 |
1101 |
4619 |
1635 |
62 |
0 |
0 |
| ODI |
3 |
17 |
26 |
1676 |
10463 |
1010 |
5 |
0 |
| CDI |
5 |
79 |
23 |
125 |
5836 |
34703 |
630 |
0 |
| VCDI |
0 |
1 |
3 |
70 |
619 |
1487 |
559 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81791 |
17421 |
204 |
173 |
47 |
14 |
0 |
0 |
| OW |
1514 |
6093 |
894 |
881 |
158 |
51 |
0 |
0 |
| VODI |
2756 |
3022 |
1219 |
3484 |
2451 |
195 |
0 |
0 |
| ODI |
11 |
546 |
325 |
2399 |
6593 |
1222 |
24 |
0 |
| CDI |
11 |
123 |
68 |
579 |
8044 |
31745 |
996 |
0 |
| VCDI |
1 |
39 |
20 |
115 |
1361 |
4046 |
174 |
0 |
|
Date: 2024-07-17:
| 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 |
82936 |
19723 |
254 |
112 |
16 |
0 |
0 |
0 |
| OW |
1723 |
6432 |
1038 |
826 |
108 |
7 |
0 |
0 |
| VODI |
2493 |
1350 |
1204 |
4426 |
2273 |
60 |
1 |
0 |
| ODI |
2 |
34 |
70 |
1775 |
9018 |
2206 |
8 |
0 |
| CDI |
5 |
112 |
36 |
176 |
10171 |
29134 |
636 |
0 |
| VCDI |
0 |
3 |
3 |
45 |
260 |
1924 |
210 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82687 |
16875 |
164 |
116 |
59 |
8 |
0 |
0 |
| OW |
1706 |
6524 |
903 |
1047 |
223 |
27 |
0 |
0 |
| VODI |
2751 |
3324 |
1077 |
3293 |
2963 |
169 |
1 |
0 |
| ODI |
8 |
707 |
348 |
2205 |
5979 |
1829 |
18 |
0 |
| CDI |
7 |
161 |
90 |
610 |
11428 |
28361 |
741 |
0 |
| VCDI |
0 |
63 |
23 |
89 |
1194 |
2937 |
95 |
0 |
|
Date: 2024-07-19:
| 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 |
83953 |
19992 |
258 |
122 |
2 |
0 |
0 |
0 |
| OW |
1749 |
5919 |
918 |
835 |
108 |
8 |
0 |
0 |
| VODI |
2462 |
1591 |
1155 |
4780 |
2814 |
150 |
0 |
0 |
| ODI |
1 |
95 |
126 |
1885 |
8354 |
2853 |
3 |
0 |
| CDI |
4 |
162 |
33 |
166 |
9937 |
27113 |
379 |
0 |
| VCDI |
0 |
7 |
8 |
43 |
801 |
1851 |
173 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83555 |
16617 |
198 |
123 |
16 |
2 |
0 |
0 |
| OW |
1930 |
6790 |
811 |
1099 |
277 |
35 |
0 |
0 |
| VODI |
2675 |
3152 |
984 |
3667 |
2379 |
324 |
0 |
0 |
| ODI |
2 |
849 |
374 |
2335 |
5700 |
2177 |
2 |
0 |
| CDI |
7 |
252 |
112 |
535 |
11794 |
26728 |
171 |
0 |
| VCDI |
0 |
106 |
19 |
72 |
1850 |
2709 |
382 |
0 |
|
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