Validation of sea ice concentration - Asian sector
Bulletin date: 2021-07-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-07-02:
| 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 |
1315 |
5843 |
145 |
1295 |
119 |
0 |
0 |
0 |
| OW |
0 |
326 |
102 |
929 |
327 |
0 |
0 |
0 |
| VODI |
0 |
24 |
16 |
889 |
983 |
20 |
0 |
0 |
| ODI |
0 |
0 |
2 |
99 |
2122 |
975 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
419 |
6550 |
1184 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
27 |
2920 |
4581 |
866 |
|
...date precedes bulletin
|
Date: 2021-07-04:
| 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 |
1286 |
6795 |
156 |
1225 |
35 |
0 |
0 |
0 |
| OW |
0 |
486 |
105 |
1015 |
239 |
4 |
0 |
0 |
| VODI |
0 |
49 |
23 |
892 |
1127 |
77 |
0 |
0 |
| ODI |
0 |
1 |
1 |
145 |
2229 |
767 |
0 |
0 |
| CDI |
0 |
0 |
1 |
1 |
1308 |
6233 |
324 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
2473 |
3535 |
1543 |
|
...date precedes bulletin
|
Date: 2021-07-06:
| 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 |
1525 |
7979 |
196 |
865 |
15 |
3 |
0 |
0 |
| OW |
0 |
191 |
68 |
988 |
130 |
2 |
0 |
0 |
| VODI |
0 |
6 |
12 |
914 |
1053 |
37 |
0 |
0 |
| ODI |
0 |
0 |
0 |
34 |
3166 |
578 |
3 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1228 |
6267 |
543 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
113 |
2758 |
3407 |
0 |
|
...date precedes bulletin
|
Date: 2021-07-08:
| 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 |
1704 |
8506 |
171 |
708 |
6 |
3 |
0 |
0 |
| OW |
0 |
196 |
66 |
971 |
205 |
4 |
0 |
0 |
| VODI |
0 |
11 |
6 |
769 |
1565 |
100 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
2298 |
1260 |
15 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1081 |
6418 |
299 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
59 |
2290 |
3180 |
148 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1704 |
8583 |
186 |
909 |
57 |
3 |
0 |
0 |
| OW |
0 |
121 |
48 |
779 |
210 |
6 |
0 |
0 |
| VODI |
0 |
9 |
9 |
745 |
1466 |
130 |
0 |
0 |
| ODI |
0 |
0 |
0 |
57 |
2206 |
1333 |
49 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1206 |
6295 |
312 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
2308 |
3133 |
148 |
|
Date: 2021-07-10:
| 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 |
3011 |
7744 |
143 |
478 |
23 |
3 |
0 |
0 |
| OW |
0 |
283 |
71 |
1169 |
231 |
13 |
0 |
0 |
| VODI |
0 |
15 |
9 |
839 |
1493 |
185 |
1 |
0 |
| ODI |
0 |
0 |
0 |
26 |
2059 |
1779 |
64 |
0 |
| CDI |
0 |
1 |
0 |
0 |
701 |
5823 |
589 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
2117 |
3207 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3011 |
7823 |
164 |
739 |
89 |
3 |
0 |
0 |
| OW |
0 |
205 |
51 |
913 |
236 |
21 |
0 |
0 |
| VODI |
0 |
14 |
8 |
840 |
1330 |
178 |
1 |
0 |
| ODI |
0 |
0 |
0 |
20 |
1996 |
1766 |
115 |
0 |
| CDI |
0 |
1 |
0 |
0 |
849 |
5731 |
592 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
2221 |
3153 |
0 |
|
Date: 2021-07-12:
| 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 |
3826 |
7554 |
112 |
312 |
8 |
3 |
0 |
0 |
| OW |
1 |
200 |
99 |
795 |
60 |
3 |
0 |
0 |
| VODI |
0 |
6 |
11 |
1169 |
642 |
11 |
0 |
0 |
| ODI |
0 |
1 |
0 |
37 |
3466 |
514 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1336 |
7077 |
309 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2650 |
1878 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3826 |
7562 |
159 |
787 |
100 |
3 |
0 |
0 |
| OW |
1 |
176 |
51 |
923 |
455 |
36 |
0 |
0 |
| VODI |
0 |
22 |
12 |
571 |
1362 |
254 |
14 |
0 |
| ODI |
0 |
1 |
0 |
32 |
1979 |
1914 |
120 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1543 |
4599 |
423 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
73 |
3452 |
1632 |
0 |
|
Date: 2021-07-14:
| 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 |
4111 |
7558 |
143 |
433 |
15 |
1 |
0 |
0 |
| OW |
0 |
215 |
64 |
905 |
167 |
6 |
0 |
0 |
| VODI |
0 |
3 |
7 |
808 |
1155 |
26 |
0 |
0 |
| ODI |
0 |
0 |
0 |
27 |
3120 |
1200 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1180 |
5793 |
1239 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
128 |
1619 |
2158 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4111 |
7565 |
162 |
955 |
202 |
3 |
0 |
0 |
| OW |
0 |
182 |
45 |
810 |
692 |
50 |
0 |
0 |
| VODI |
0 |
29 |
7 |
366 |
1592 |
399 |
5 |
0 |
| ODI |
0 |
0 |
0 |
42 |
1786 |
1919 |
266 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1365 |
4164 |
956 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
128 |
2110 |
2171 |
0 |
|
Date: 2021-07-16:
| 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 |
4749 |
7447 |
87 |
278 |
5 |
0 |
0 |
0 |
| OW |
5 |
412 |
102 |
939 |
103 |
8 |
0 |
0 |
| VODI |
0 |
37 |
26 |
1108 |
958 |
24 |
0 |
0 |
| ODI |
0 |
0 |
0 |
58 |
3256 |
1398 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
822 |
4382 |
2456 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1580 |
1827 |
13 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4751 |
7555 |
154 |
954 |
178 |
2 |
0 |
0 |
| OW |
3 |
221 |
36 |
941 |
345 |
73 |
0 |
0 |
| VODI |
0 |
99 |
20 |
374 |
1702 |
477 |
42 |
0 |
| ODI |
0 |
21 |
5 |
110 |
1833 |
1644 |
82 |
0 |
| CDI |
0 |
0 |
0 |
4 |
1080 |
3478 |
1935 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
1718 |
2226 |
13 |
|
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