Validation of sea ice concentration - Full domain
Bulletin date: 2021-08-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-08-20:
| 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 |
119749 |
18594 |
168 |
708 |
68 |
0 |
0 |
0 |
| OW |
0 |
1423 |
178 |
1215 |
166 |
7 |
0 |
0 |
| VODI |
0 |
305 |
119 |
4457 |
1789 |
23 |
0 |
0 |
| ODI |
0 |
46 |
9 |
683 |
5306 |
1035 |
0 |
0 |
| CDI |
0 |
11 |
2 |
5 |
2497 |
10710 |
6244 |
834 |
| VCDI |
0 |
16 |
4 |
78 |
169 |
2581 |
7594 |
255 |
|
...date precedes bulletin
|
Date: 2021-08-22:
| 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 |
120832 |
17970 |
148 |
651 |
103 |
0 |
0 |
0 |
| OW |
7 |
1522 |
166 |
1237 |
221 |
2 |
0 |
0 |
| VODI |
5 |
538 |
126 |
4541 |
1878 |
18 |
0 |
0 |
| ODI |
0 |
60 |
9 |
737 |
4458 |
950 |
2 |
0 |
| CDI |
0 |
19 |
1 |
43 |
2761 |
13770 |
4512 |
69 |
| VCDI |
0 |
5 |
2 |
68 |
128 |
2897 |
6159 |
433 |
|
...date precedes bulletin
|
Date: 2021-08-24:
| 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 |
121876 |
17890 |
145 |
637 |
66 |
0 |
0 |
0 |
| OW |
13 |
1325 |
188 |
1124 |
111 |
4 |
0 |
0 |
| VODI |
0 |
577 |
151 |
5224 |
1077 |
4 |
0 |
0 |
| ODI |
0 |
52 |
3 |
508 |
6406 |
518 |
0 |
0 |
| CDI |
0 |
7 |
2 |
54 |
4124 |
14343 |
965 |
0 |
| VCDI |
0 |
0 |
0 |
43 |
186 |
3121 |
5872 |
432 |
|
...date precedes bulletin
|
Date: 2021-08-26:
| 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 |
123049 |
16973 |
146 |
595 |
49 |
0 |
0 |
0 |
| OW |
19 |
1623 |
164 |
1261 |
146 |
0 |
0 |
0 |
| VODI |
0 |
766 |
171 |
4801 |
1195 |
6 |
0 |
0 |
| ODI |
0 |
61 |
0 |
672 |
5257 |
842 |
13 |
0 |
| CDI |
0 |
12 |
0 |
60 |
6601 |
11266 |
1197 |
0 |
| VCDI |
0 |
23 |
7 |
80 |
345 |
3425 |
4809 |
1414 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123060 |
17102 |
172 |
795 |
55 |
0 |
0 |
0 |
| OW |
8 |
1324 |
141 |
1132 |
146 |
0 |
0 |
0 |
| VODI |
0 |
951 |
168 |
4466 |
1024 |
23 |
0 |
0 |
| ODI |
0 |
48 |
0 |
938 |
5320 |
761 |
8 |
0 |
| CDI |
0 |
8 |
0 |
57 |
6629 |
11292 |
1194 |
0 |
| VCDI |
0 |
25 |
7 |
81 |
419 |
3463 |
4817 |
1414 |
|
Date: 2021-08-28:
| 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 |
122981 |
17047 |
139 |
553 |
48 |
20 |
0 |
0 |
| OW |
17 |
2039 |
169 |
1348 |
150 |
8 |
0 |
0 |
| VODI |
0 |
1021 |
166 |
4243 |
1101 |
32 |
0 |
0 |
| ODI |
0 |
64 |
2 |
917 |
4692 |
960 |
28 |
0 |
| CDI |
0 |
12 |
4 |
104 |
6135 |
10662 |
2251 |
2 |
| VCDI |
0 |
1 |
4 |
38 |
400 |
3984 |
5496 |
210 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122986 |
17383 |
172 |
748 |
49 |
21 |
0 |
0 |
| OW |
10 |
1520 |
124 |
1047 |
170 |
4 |
0 |
0 |
| VODI |
2 |
1220 |
180 |
4136 |
943 |
49 |
0 |
0 |
| ODI |
0 |
49 |
0 |
1129 |
4705 |
828 |
26 |
0 |
| CDI |
0 |
11 |
4 |
104 |
6061 |
9914 |
2185 |
0 |
| VCDI |
0 |
1 |
4 |
39 |
598 |
4850 |
5564 |
212 |
|
Date: 2021-08-30:
| 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 |
124552 |
16298 |
169 |
471 |
41 |
14 |
0 |
0 |
| OW |
6 |
2292 |
196 |
1032 |
65 |
4 |
0 |
0 |
| VODI |
0 |
454 |
139 |
5015 |
837 |
9 |
0 |
0 |
| ODI |
0 |
7 |
1 |
492 |
7591 |
359 |
0 |
0 |
| CDI |
0 |
17 |
5 |
137 |
4015 |
15516 |
595 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
20 |
1360 |
5254 |
84 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
124538 |
15797 |
200 |
714 |
74 |
15 |
0 |
0 |
| OW |
18 |
1712 |
113 |
1103 |
157 |
9 |
0 |
0 |
| VODI |
2 |
1486 |
183 |
3733 |
1033 |
58 |
0 |
0 |
| ODI |
0 |
56 |
9 |
1333 |
4102 |
542 |
55 |
0 |
| CDI |
0 |
0 |
2 |
220 |
5974 |
9930 |
1161 |
0 |
| VCDI |
0 |
17 |
3 |
45 |
1229 |
6708 |
4633 |
84 |
|
Date: 2021-09-01:
| 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 |
123640 |
17455 |
155 |
591 |
32 |
1 |
0 |
0 |
| OW |
0 |
2102 |
226 |
1761 |
83 |
1 |
0 |
0 |
| VODI |
0 |
345 |
84 |
4092 |
1211 |
5 |
0 |
0 |
| ODI |
0 |
6 |
3 |
596 |
6220 |
341 |
0 |
0 |
| CDI |
0 |
17 |
4 |
166 |
5534 |
13886 |
641 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
9 |
3901 |
3924 |
11 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123628 |
16576 |
197 |
979 |
78 |
2 |
0 |
0 |
| OW |
10 |
1766 |
117 |
1222 |
178 |
1 |
0 |
0 |
| VODI |
2 |
1438 |
142 |
3441 |
1154 |
47 |
0 |
0 |
| ODI |
0 |
128 |
12 |
1225 |
3513 |
383 |
40 |
0 |
| CDI |
0 |
1 |
0 |
278 |
6089 |
9011 |
788 |
0 |
| VCDI |
0 |
16 |
4 |
66 |
2077 |
8691 |
3737 |
11 |
|
Date: 2021-09-03:
| 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 |
124813 |
16015 |
130 |
569 |
38 |
6 |
0 |
0 |
| OW |
0 |
2332 |
224 |
1766 |
227 |
27 |
0 |
0 |
| VODI |
0 |
387 |
112 |
3357 |
1708 |
51 |
0 |
0 |
| ODI |
0 |
24 |
4 |
599 |
4383 |
680 |
0 |
0 |
| CDI |
0 |
21 |
9 |
154 |
3620 |
15067 |
693 |
0 |
| VCDI |
0 |
1 |
1 |
3 |
29 |
5153 |
4748 |
97 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
124805 |
14934 |
164 |
1043 |
187 |
17 |
0 |
0 |
| OW |
7 |
1959 |
95 |
817 |
446 |
37 |
0 |
0 |
| VODI |
1 |
1649 |
189 |
2790 |
1329 |
242 |
0 |
0 |
| ODI |
0 |
213 |
18 |
1422 |
2566 |
637 |
53 |
0 |
| CDI |
0 |
3 |
6 |
293 |
4551 |
9055 |
906 |
0 |
| VCDI |
0 |
22 |
8 |
83 |
926 |
10996 |
4482 |
97 |
|
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