Validation of sea ice concentration
Bulletin date: 2019-12-05
Model vs. observations, sea ice class contingency tables
Date: 2019-11-29:
| 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 |
14102 |
6588 |
1286 |
552 |
208 |
317 |
205 |
4 |
| OW |
0 |
19 |
95 |
109 |
55 |
122 |
102 |
1 |
| VODI |
0 |
4 |
37 |
101 |
66 |
156 |
126 |
1 |
| ODI |
0 |
0 |
4 |
31 |
45 |
152 |
169 |
2 |
| CDI |
0 |
0 |
2 |
25 |
42 |
139 |
555 |
43 |
| VCDI |
0 |
0 |
1 |
10 |
28 |
235 |
6179 |
6241 |
|
...date precedes bulletin
|
Date: 2019-12-03:
| 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 |
14282 |
7199 |
1022 |
487 |
206 |
81 |
138 |
2 |
| OW |
0 |
47 |
137 |
144 |
73 |
46 |
51 |
0 |
| VODI |
0 |
25 |
87 |
128 |
94 |
86 |
104 |
3 |
| ODI |
0 |
1 |
12 |
80 |
104 |
117 |
233 |
42 |
| CDI |
0 |
0 |
5 |
60 |
89 |
206 |
382 |
115 |
| VCDI |
0 |
40 |
10 |
29 |
64 |
495 |
8475 |
3158 |
|
...date precedes bulletin
|
Date: 2019-12-05:
| 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 |
14474 |
7186 |
866 |
374 |
153 |
140 |
68 |
0 |
| OW |
0 |
107 |
174 |
175 |
101 |
67 |
42 |
0 |
| VODI |
0 |
85 |
124 |
143 |
78 |
102 |
49 |
0 |
| ODI |
0 |
29 |
60 |
109 |
80 |
115 |
211 |
37 |
| CDI |
0 |
5 |
43 |
91 |
100 |
139 |
339 |
125 |
| VCDI |
0 |
39 |
31 |
90 |
162 |
478 |
8608 |
2760 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14474 |
7202 |
875 |
372 |
180 |
153 |
58 |
0 |
| OW |
0 |
96 |
174 |
184 |
73 |
58 |
44 |
0 |
| VODI |
0 |
86 |
119 |
133 |
80 |
97 |
66 |
0 |
| ODI |
0 |
22 |
56 |
115 |
83 |
121 |
201 |
34 |
| CDI |
0 |
6 |
38 |
92 |
101 |
136 |
371 |
138 |
| VCDI |
0 |
39 |
36 |
86 |
157 |
476 |
8577 |
2750 |
|
Date: 2019-12-09:
| 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 |
13905 |
6870 |
1256 |
414 |
166 |
120 |
116 |
0 |
| OW |
0 |
18 |
135 |
182 |
91 |
52 |
120 |
0 |
| VODI |
0 |
9 |
62 |
129 |
92 |
62 |
280 |
0 |
| ODI |
0 |
1 |
14 |
48 |
62 |
65 |
289 |
38 |
| CDI |
0 |
0 |
5 |
19 |
77 |
125 |
645 |
119 |
| VCDI |
0 |
0 |
1 |
7 |
36 |
226 |
6625 |
5678 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13905 |
6813 |
1042 |
346 |
136 |
123 |
141 |
0 |
| OW |
0 |
35 |
196 |
112 |
58 |
29 |
98 |
0 |
| VODI |
0 |
22 |
152 |
167 |
94 |
43 |
249 |
0 |
| ODI |
0 |
14 |
39 |
85 |
77 |
43 |
215 |
26 |
| CDI |
0 |
14 |
24 |
55 |
57 |
102 |
401 |
117 |
| VCDI |
0 |
0 |
20 |
34 |
102 |
310 |
6971 |
5692 |
|
Date: 2019-12-11:
| 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 |
13953 |
6742 |
1139 |
382 |
186 |
121 |
116 |
0 |
| OW |
0 |
16 |
176 |
148 |
87 |
78 |
72 |
0 |
| VODI |
0 |
21 |
93 |
125 |
96 |
100 |
138 |
0 |
| ODI |
0 |
10 |
50 |
72 |
99 |
92 |
194 |
13 |
| CDI |
0 |
2 |
33 |
45 |
85 |
169 |
456 |
96 |
| VCDI |
0 |
0 |
12 |
17 |
66 |
248 |
6797 |
5814 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13953 |
6603 |
999 |
382 |
180 |
157 |
161 |
0 |
| OW |
0 |
60 |
168 |
109 |
85 |
82 |
70 |
0 |
| VODI |
0 |
70 |
140 |
141 |
105 |
79 |
172 |
8 |
| ODI |
0 |
28 |
51 |
63 |
76 |
69 |
203 |
33 |
| CDI |
0 |
17 |
44 |
24 |
69 |
141 |
348 |
69 |
| VCDI |
0 |
13 |
101 |
70 |
104 |
280 |
6819 |
5813 |
|
Date: 2019-12-13:
| 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 |
14444 |
6727 |
760 |
323 |
108 |
138 |
66 |
0 |
| OW |
0 |
114 |
194 |
114 |
36 |
44 |
27 |
0 |
| VODI |
0 |
50 |
167 |
160 |
66 |
93 |
64 |
0 |
| ODI |
0 |
23 |
60 |
116 |
71 |
56 |
109 |
0 |
| CDI |
0 |
7 |
44 |
95 |
122 |
129 |
347 |
28 |
| VCDI |
0 |
0 |
21 |
77 |
162 |
466 |
7460 |
5071 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14444 |
6488 |
687 |
323 |
123 |
165 |
86 |
0 |
| OW |
0 |
149 |
142 |
94 |
40 |
56 |
36 |
0 |
| VODI |
0 |
133 |
158 |
123 |
56 |
74 |
116 |
1 |
| ODI |
0 |
71 |
86 |
101 |
55 |
49 |
146 |
21 |
| CDI |
0 |
55 |
50 |
72 |
86 |
109 |
351 |
73 |
| VCDI |
0 |
25 |
123 |
172 |
205 |
473 |
7338 |
5004 |
|
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