Validation of sea ice concentration - Asian sector
Bulletin date: 2024-09-12
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-06:
| 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 |
12256 |
4849 |
7 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1677 |
246 |
109 |
0 |
0 |
0 |
0 |
| VODI |
0 |
166 |
276 |
1361 |
359 |
0 |
0 |
0 |
| ODI |
0 |
1 |
6 |
400 |
5141 |
1520 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
512 |
3190 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-08:
| 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 |
13234 |
4023 |
9 |
0 |
0 |
0 |
0 |
0 |
| OW |
286 |
1367 |
210 |
135 |
0 |
0 |
0 |
0 |
| VODI |
0 |
163 |
230 |
1168 |
514 |
35 |
0 |
0 |
| ODI |
0 |
1 |
11 |
159 |
2641 |
2971 |
12 |
0 |
| CDI |
0 |
0 |
0 |
0 |
427 |
3960 |
526 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-10:
| 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 |
13565 |
4634 |
40 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
830 |
252 |
199 |
19 |
0 |
0 |
0 |
| VODI |
0 |
95 |
142 |
980 |
240 |
19 |
0 |
0 |
| ODI |
0 |
1 |
6 |
197 |
1860 |
407 |
4 |
0 |
| CDI |
0 |
0 |
0 |
1 |
700 |
4081 |
299 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
1880 |
1597 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-12:
| 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 |
13719 |
4473 |
14 |
4 |
0 |
0 |
0 |
0 |
| OW |
1 |
890 |
272 |
156 |
12 |
0 |
0 |
0 |
| VODI |
0 |
122 |
191 |
934 |
242 |
13 |
0 |
0 |
| ODI |
0 |
0 |
8 |
328 |
1599 |
328 |
5 |
0 |
| CDI |
0 |
0 |
0 |
6 |
849 |
3697 |
263 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
208 |
2646 |
1102 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13707 |
4463 |
27 |
9 |
0 |
0 |
0 |
0 |
| OW |
13 |
921 |
286 |
181 |
17 |
0 |
0 |
0 |
| VODI |
0 |
101 |
167 |
919 |
262 |
17 |
0 |
0 |
| ODI |
0 |
0 |
5 |
311 |
1602 |
341 |
5 |
0 |
| CDI |
0 |
0 |
0 |
8 |
835 |
4094 |
542 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
194 |
2232 |
823 |
0 |
|
Date: 2024-09-14:
| 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 |
13915 |
4170 |
11 |
0 |
0 |
0 |
0 |
0 |
| OW |
1 |
953 |
271 |
157 |
11 |
1 |
0 |
0 |
| VODI |
0 |
146 |
185 |
851 |
289 |
43 |
0 |
0 |
| ODI |
0 |
0 |
16 |
160 |
1393 |
546 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
161 |
2055 |
371 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
3210 |
3163 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13915 |
4210 |
30 |
0 |
0 |
0 |
0 |
0 |
| OW |
1 |
935 |
271 |
214 |
10 |
0 |
0 |
0 |
| VODI |
0 |
122 |
164 |
811 |
327 |
40 |
0 |
0 |
| ODI |
0 |
2 |
18 |
142 |
1387 |
681 |
2 |
0 |
| CDI |
0 |
0 |
0 |
1 |
130 |
2070 |
481 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
3064 |
3052 |
0 |
|
Date: 2024-09-16:
| 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 |
13350 |
4907 |
19 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
892 |
197 |
175 |
2 |
0 |
0 |
0 |
| VODI |
0 |
151 |
166 |
731 |
335 |
6 |
0 |
0 |
| ODI |
0 |
1 |
7 |
206 |
1264 |
989 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
90 |
6449 |
897 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
601 |
643 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13350 |
4718 |
14 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
1059 |
201 |
237 |
24 |
0 |
0 |
0 |
| VODI |
0 |
163 |
156 |
693 |
377 |
47 |
0 |
0 |
| ODI |
0 |
11 |
18 |
152 |
1080 |
569 |
0 |
0 |
| CDI |
0 |
0 |
0 |
25 |
209 |
3113 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
4316 |
1519 |
0 |
|
Date: 2024-09-18:
| 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 |
14023 |
4313 |
7 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
747 |
244 |
191 |
7 |
0 |
0 |
0 |
| VODI |
0 |
142 |
149 |
657 |
319 |
42 |
0 |
0 |
| ODI |
0 |
6 |
13 |
179 |
1016 |
955 |
6 |
0 |
| CDI |
0 |
0 |
0 |
7 |
103 |
5473 |
767 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
964 |
1752 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14022 |
4032 |
35 |
20 |
1 |
0 |
0 |
0 |
| OW |
1 |
976 |
198 |
221 |
56 |
5 |
0 |
0 |
| VODI |
0 |
197 |
167 |
598 |
251 |
85 |
0 |
0 |
| ODI |
0 |
3 |
13 |
161 |
930 |
557 |
0 |
0 |
| CDI |
0 |
0 |
0 |
34 |
204 |
2177 |
100 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
4610 |
2425 |
0 |
|
Date: 2024-09-20:
| 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 |
13547 |
4824 |
18 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
642 |
227 |
254 |
31 |
1 |
0 |
0 |
| VODI |
0 |
124 |
108 |
594 |
325 |
102 |
0 |
0 |
| ODI |
0 |
4 |
8 |
133 |
625 |
712 |
41 |
0 |
| CDI |
0 |
0 |
0 |
0 |
105 |
2742 |
1061 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1645 |
4205 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13547 |
4397 |
45 |
52 |
34 |
4 |
0 |
0 |
| OW |
0 |
932 |
155 |
193 |
34 |
47 |
0 |
0 |
| VODI |
0 |
239 |
136 |
516 |
246 |
135 |
6 |
0 |
| ODI |
0 |
26 |
25 |
204 |
541 |
481 |
88 |
0 |
| CDI |
0 |
0 |
0 |
20 |
227 |
1331 |
456 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
3204 |
4757 |
0 |
|
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