Validation of sea ice concentration - Asian sector
Bulletin date: 2021-07-15
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-07-09:
| 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 |
3071 |
7448 |
144 |
568 |
19 |
4 |
0 |
0 |
| OW |
1 |
254 |
83 |
879 |
311 |
4 |
0 |
0 |
| VODI |
0 |
13 |
7 |
700 |
1688 |
154 |
0 |
0 |
| ODI |
0 |
0 |
0 |
43 |
2006 |
1681 |
27 |
0 |
| CDI |
0 |
1 |
0 |
0 |
828 |
6472 |
190 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
1876 |
3510 |
65 |
|
...date precedes bulletin
|
Date: 2021-07-11:
| 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 |
3445 |
7717 |
125 |
426 |
18 |
3 |
0 |
0 |
| OW |
0 |
214 |
63 |
1316 |
262 |
9 |
0 |
0 |
| VODI |
0 |
26 |
8 |
663 |
1711 |
214 |
3 |
0 |
| ODI |
0 |
1 |
0 |
21 |
1856 |
2141 |
25 |
0 |
| CDI |
0 |
0 |
0 |
0 |
879 |
5234 |
449 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
34 |
1992 |
3227 |
0 |
|
...date precedes bulletin
|
Date: 2021-07-13:
| 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 |
3835 |
7636 |
137 |
472 |
17 |
1 |
0 |
0 |
| OW |
0 |
132 |
70 |
903 |
125 |
5 |
0 |
0 |
| VODI |
0 |
3 |
7 |
825 |
1066 |
15 |
0 |
0 |
| ODI |
0 |
1 |
0 |
27 |
3349 |
735 |
6 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1689 |
6414 |
392 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2473 |
1747 |
0 |
|
...date precedes bulletin
|
Date: 2021-07-15:
| 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 |
4183 |
7828 |
97 |
315 |
4 |
1 |
0 |
0 |
| OW |
0 |
331 |
98 |
901 |
123 |
5 |
0 |
0 |
| VODI |
0 |
18 |
15 |
1110 |
919 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
58 |
3398 |
1058 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1208 |
5246 |
1495 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1603 |
2053 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4183 |
7816 |
102 |
518 |
27 |
1 |
0 |
0 |
| OW |
0 |
328 |
83 |
795 |
159 |
4 |
0 |
0 |
| VODI |
0 |
33 |
25 |
998 |
872 |
21 |
0 |
0 |
| ODI |
0 |
0 |
0 |
71 |
3065 |
1178 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1529 |
5146 |
1487 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1578 |
2061 |
0 |
|
Date: 2021-07-17:
| 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 |
4340 |
7971 |
78 |
268 |
4 |
0 |
0 |
0 |
| OW |
1 |
510 |
101 |
1014 |
93 |
10 |
0 |
0 |
| VODI |
0 |
56 |
33 |
969 |
1102 |
50 |
0 |
0 |
| ODI |
0 |
0 |
0 |
49 |
3264 |
1494 |
20 |
0 |
| CDI |
0 |
0 |
0 |
1 |
736 |
4711 |
2100 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1343 |
1764 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4340 |
7950 |
94 |
507 |
18 |
1 |
0 |
0 |
| OW |
1 |
505 |
84 |
827 |
158 |
10 |
0 |
0 |
| VODI |
0 |
82 |
34 |
887 |
939 |
63 |
0 |
0 |
| ODI |
0 |
0 |
0 |
76 |
3236 |
1200 |
65 |
0 |
| CDI |
0 |
0 |
0 |
4 |
848 |
4970 |
2011 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1364 |
1808 |
0 |
|
Date: 2021-07-19:
| 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 |
4729 |
7953 |
66 |
141 |
2 |
0 |
0 |
0 |
| OW |
0 |
497 |
126 |
834 |
15 |
4 |
0 |
0 |
| VODI |
0 |
17 |
14 |
1436 |
551 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
3967 |
256 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
495 |
6213 |
1438 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1141 |
2169 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4729 |
7878 |
98 |
553 |
21 |
0 |
0 |
0 |
| OW |
0 |
539 |
74 |
858 |
165 |
11 |
0 |
0 |
| VODI |
0 |
50 |
34 |
936 |
982 |
65 |
1 |
0 |
| ODI |
0 |
0 |
0 |
73 |
3269 |
1238 |
152 |
0 |
| CDI |
0 |
0 |
0 |
0 |
593 |
5072 |
2362 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1237 |
1092 |
0 |
|
Date: 2021-07-21:
| 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 |
3957 |
9228 |
71 |
154 |
1 |
0 |
0 |
0 |
| OW |
0 |
471 |
130 |
983 |
11 |
2 |
0 |
0 |
| VODI |
0 |
17 |
13 |
1023 |
987 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
56 |
3195 |
946 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
405 |
6734 |
1407 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1474 |
813 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3957 |
9120 |
96 |
516 |
22 |
0 |
0 |
0 |
| OW |
0 |
526 |
80 |
883 |
164 |
1 |
0 |
0 |
| VODI |
0 |
70 |
38 |
711 |
1272 |
51 |
0 |
0 |
| ODI |
0 |
0 |
0 |
94 |
2721 |
2016 |
54 |
0 |
| CDI |
0 |
0 |
0 |
12 |
420 |
5787 |
1702 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1305 |
464 |
0 |
|
Date: 2021-07-23:
| 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 |
5364 |
8187 |
57 |
203 |
0 |
0 |
0 |
0 |
| OW |
0 |
704 |
104 |
775 |
33 |
0 |
0 |
0 |
| VODI |
0 |
89 |
43 |
1007 |
1033 |
5 |
0 |
0 |
| ODI |
0 |
4 |
4 |
153 |
2886 |
1404 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
713 |
6917 |
866 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1489 |
39 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5364 |
8220 |
80 |
502 |
25 |
0 |
0 |
0 |
| OW |
0 |
591 |
80 |
802 |
188 |
1 |
0 |
0 |
| VODI |
0 |
159 |
42 |
672 |
1447 |
105 |
0 |
0 |
| ODI |
0 |
14 |
6 |
150 |
2535 |
2378 |
4 |
0 |
| CDI |
0 |
0 |
0 |
14 |
470 |
5871 |
850 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1460 |
51 |
0 |
|
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