Validation of sea ice concentration
Bulletin date: 2022-04-14
Model vs. observations, sea ice class contingency tables
Date: 2022-04-08:
| 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 |
12434 |
5647 |
973 |
442 |
231 |
86 |
94 |
0 |
| OW |
0 |
7 |
161 |
160 |
91 |
95 |
54 |
0 |
| VODI |
0 |
0 |
98 |
186 |
150 |
167 |
106 |
6 |
| ODI |
0 |
0 |
29 |
106 |
175 |
288 |
158 |
8 |
| CDI |
0 |
0 |
4 |
83 |
174 |
373 |
490 |
6 |
| VCDI |
0 |
0 |
2 |
20 |
123 |
572 |
9295 |
5065 |
|
...date precedes bulletin
|
Date: 2022-04-12:
| 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 |
12823 |
5853 |
832 |
641 |
149 |
30 |
44 |
0 |
| OW |
0 |
77 |
166 |
183 |
84 |
53 |
23 |
0 |
| VODI |
0 |
23 |
126 |
277 |
145 |
90 |
51 |
0 |
| ODI |
0 |
4 |
56 |
193 |
160 |
133 |
110 |
0 |
| CDI |
0 |
0 |
17 |
99 |
153 |
408 |
719 |
5 |
| VCDI |
0 |
0 |
6 |
74 |
167 |
677 |
8306 |
5202 |
|
...date precedes bulletin
|
Date: 2022-04-14:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2022-04-18:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2022-04-20:
| 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 |
13212 |
5741 |
887 |
309 |
221 |
83 |
33 |
0 |
| OW |
0 |
39 |
216 |
127 |
123 |
110 |
49 |
0 |
| VODI |
0 |
3 |
150 |
145 |
137 |
187 |
77 |
0 |
| ODI |
0 |
0 |
78 |
68 |
105 |
169 |
131 |
1 |
| CDI |
0 |
0 |
17 |
51 |
91 |
340 |
745 |
13 |
| VCDI |
0 |
0 |
4 |
13 |
33 |
239 |
8139 |
6073 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13212 |
5708 |
878 |
349 |
273 |
143 |
70 |
0 |
| OW |
0 |
62 |
168 |
86 |
84 |
107 |
45 |
0 |
| VODI |
0 |
13 |
184 |
102 |
102 |
127 |
93 |
0 |
| ODI |
0 |
0 |
92 |
82 |
86 |
120 |
142 |
1 |
| CDI |
0 |
0 |
25 |
75 |
106 |
278 |
477 |
13 |
| VCDI |
0 |
0 |
5 |
19 |
59 |
353 |
8347 |
6073 |
|
Date: 2022-04-22:
| 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 |
13261 |
5646 |
939 |
352 |
130 |
84 |
15 |
0 |
| OW |
0 |
32 |
256 |
129 |
137 |
122 |
33 |
0 |
| VODI |
0 |
1 |
128 |
149 |
193 |
181 |
89 |
6 |
| ODI |
0 |
0 |
29 |
61 |
100 |
135 |
171 |
18 |
| CDI |
0 |
0 |
14 |
37 |
71 |
261 |
908 |
36 |
| VCDI |
0 |
0 |
7 |
9 |
42 |
216 |
6801 |
7360 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13261 |
5634 |
983 |
400 |
219 |
160 |
51 |
0 |
| OW |
0 |
40 |
169 |
94 |
70 |
111 |
53 |
0 |
| VODI |
0 |
5 |
133 |
110 |
119 |
148 |
108 |
6 |
| ODI |
0 |
0 |
49 |
62 |
115 |
126 |
174 |
18 |
| CDI |
0 |
0 |
32 |
59 |
90 |
189 |
717 |
23 |
| VCDI |
0 |
0 |
7 |
12 |
60 |
265 |
6914 |
7373 |
|
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