Validation of sea ice concentration
Bulletin date: 2020-12-24
Model vs. observations, sea ice class contingency tables
Date: 2020-12-18:
| 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 |
15995 |
7019 |
518 |
338 |
147 |
70 |
6 |
0 |
| OW |
21 |
189 |
114 |
158 |
112 |
155 |
38 |
0 |
| VODI |
0 |
59 |
125 |
142 |
118 |
146 |
65 |
0 |
| ODI |
0 |
14 |
77 |
111 |
114 |
184 |
80 |
1 |
| CDI |
0 |
11 |
30 |
89 |
80 |
256 |
255 |
17 |
| VCDI |
0 |
3 |
22 |
61 |
78 |
479 |
5779 |
4883 |
|
...date precedes bulletin
|
Date: 2020-12-22:
| 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 |
15512 |
7143 |
522 |
269 |
114 |
31 |
5 |
0 |
| OW |
10 |
98 |
135 |
129 |
71 |
57 |
11 |
0 |
| VODI |
0 |
47 |
96 |
145 |
105 |
155 |
32 |
0 |
| ODI |
0 |
11 |
38 |
110 |
111 |
254 |
75 |
0 |
| CDI |
0 |
4 |
19 |
72 |
138 |
420 |
299 |
19 |
| VCDI |
0 |
0 |
5 |
22 |
76 |
739 |
5917 |
5143 |
|
...date precedes bulletin
|
Date: 2020-12-24:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2020-12-28:
| 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 |
14613 |
6660 |
1563 |
273 |
84 |
71 |
59 |
0 |
| OW |
0 |
26 |
282 |
185 |
108 |
56 |
28 |
0 |
| VODI |
0 |
19 |
153 |
207 |
162 |
209 |
51 |
0 |
| ODI |
0 |
8 |
81 |
121 |
153 |
208 |
105 |
0 |
| CDI |
0 |
11 |
70 |
106 |
155 |
295 |
452 |
6 |
| VCDI |
0 |
13 |
147 |
160 |
232 |
498 |
5942 |
4587 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14613 |
6515 |
1349 |
244 |
104 |
87 |
83 |
0 |
| OW |
0 |
127 |
314 |
138 |
79 |
89 |
38 |
0 |
| VODI |
0 |
54 |
268 |
170 |
135 |
158 |
64 |
0 |
| ODI |
0 |
20 |
112 |
135 |
103 |
138 |
129 |
0 |
| CDI |
0 |
12 |
85 |
141 |
126 |
198 |
365 |
8 |
| VCDI |
0 |
9 |
168 |
224 |
347 |
667 |
5958 |
4585 |
|
Date: 2020-12-30:
| 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 |
14758 |
6741 |
1192 |
283 |
59 |
92 |
9 |
0 |
| OW |
0 |
125 |
270 |
210 |
72 |
71 |
15 |
0 |
| VODI |
0 |
56 |
179 |
212 |
96 |
175 |
21 |
0 |
| ODI |
0 |
20 |
75 |
166 |
111 |
228 |
40 |
0 |
| CDI |
0 |
22 |
32 |
133 |
161 |
318 |
337 |
32 |
| VCDI |
0 |
63 |
126 |
137 |
286 |
828 |
6984 |
3424 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14758 |
6472 |
1065 |
279 |
74 |
132 |
22 |
0 |
| OW |
0 |
225 |
245 |
138 |
44 |
111 |
22 |
0 |
| VODI |
0 |
169 |
214 |
195 |
76 |
190 |
30 |
0 |
| ODI |
0 |
57 |
132 |
167 |
89 |
189 |
87 |
0 |
| CDI |
0 |
25 |
61 |
158 |
146 |
277 |
366 |
19 |
| VCDI |
0 |
79 |
157 |
204 |
356 |
813 |
6879 |
3437 |
|
Date: 2021-01-01:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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