Validation of sea ice concentration
Bulletin date: 2020-01-16
Model vs. observations, sea ice class contingency tables
Date: 2020-01-10:
| 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 |
14442 |
6073 |
914 |
265 |
108 |
26 |
8 |
0 |
| OW |
0 |
155 |
143 |
142 |
140 |
44 |
23 |
0 |
| VODI |
0 |
87 |
133 |
152 |
171 |
125 |
32 |
0 |
| ODI |
0 |
50 |
64 |
135 |
134 |
112 |
79 |
17 |
| CDI |
0 |
41 |
89 |
94 |
105 |
155 |
275 |
94 |
| VCDI |
0 |
8 |
88 |
230 |
262 |
741 |
7940 |
4263 |
|
...date precedes bulletin
|
Date: 2020-01-14:
| 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 |
13840 |
6337 |
780 |
464 |
229 |
68 |
9 |
0 |
| OW |
0 |
53 |
146 |
107 |
88 |
84 |
17 |
0 |
| VODI |
0 |
34 |
113 |
117 |
112 |
117 |
46 |
0 |
| ODI |
0 |
5 |
69 |
62 |
126 |
191 |
86 |
0 |
| CDI |
0 |
3 |
47 |
50 |
97 |
230 |
475 |
30 |
| VCDI |
0 |
5 |
49 |
122 |
179 |
371 |
7144 |
6057 |
|
...date precedes bulletin
|
Date: 2020-01-16:
| 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 |
13540 |
6154 |
810 |
405 |
327 |
188 |
21 |
0 |
| OW |
0 |
37 |
177 |
80 |
79 |
110 |
28 |
0 |
| VODI |
0 |
15 |
100 |
91 |
125 |
166 |
62 |
0 |
| ODI |
0 |
5 |
65 |
46 |
67 |
148 |
134 |
7 |
| CDI |
0 |
2 |
48 |
52 |
62 |
205 |
458 |
79 |
| VCDI |
0 |
0 |
42 |
89 |
114 |
433 |
5588 |
8000 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13540 |
6159 |
840 |
409 |
323 |
183 |
22 |
0 |
| OW |
0 |
25 |
147 |
90 |
99 |
103 |
26 |
0 |
| VODI |
0 |
21 |
105 |
75 |
106 |
188 |
69 |
0 |
| ODI |
0 |
3 |
60 |
48 |
70 |
145 |
166 |
7 |
| CDI |
0 |
5 |
42 |
54 |
63 |
192 |
414 |
79 |
| VCDI |
0 |
0 |
48 |
87 |
113 |
439 |
5594 |
8000 |
|
Date: 2020-01-20:
| 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 |
13542 |
6070 |
1205 |
238 |
176 |
84 |
36 |
0 |
| OW |
0 |
29 |
234 |
112 |
92 |
66 |
41 |
0 |
| VODI |
0 |
8 |
126 |
98 |
146 |
140 |
75 |
0 |
| ODI |
0 |
0 |
58 |
61 |
112 |
183 |
188 |
0 |
| CDI |
0 |
0 |
27 |
38 |
87 |
182 |
584 |
16 |
| VCDI |
0 |
0 |
4 |
21 |
58 |
178 |
6229 |
7615 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13542 |
5995 |
1093 |
231 |
188 |
105 |
71 |
0 |
| OW |
0 |
75 |
238 |
99 |
66 |
58 |
62 |
0 |
| VODI |
0 |
29 |
159 |
77 |
108 |
83 |
115 |
0 |
| ODI |
0 |
6 |
78 |
61 |
98 |
135 |
169 |
0 |
| CDI |
0 |
2 |
54 |
46 |
86 |
166 |
457 |
16 |
| VCDI |
0 |
0 |
32 |
54 |
125 |
286 |
6279 |
7615 |
|
Date: 2020-01-22:
| 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 |
13530 |
6021 |
1021 |
502 |
157 |
74 |
15 |
0 |
| OW |
0 |
45 |
183 |
175 |
77 |
68 |
32 |
0 |
| VODI |
0 |
4 |
84 |
171 |
94 |
122 |
57 |
0 |
| ODI |
0 |
1 |
21 |
156 |
128 |
165 |
107 |
8 |
| CDI |
0 |
1 |
7 |
133 |
106 |
143 |
384 |
130 |
| VCDI |
0 |
0 |
0 |
91 |
139 |
373 |
6951 |
6683 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13530 |
5971 |
844 |
456 |
159 |
117 |
41 |
0 |
| OW |
0 |
88 |
215 |
119 |
65 |
49 |
54 |
0 |
| VODI |
0 |
12 |
154 |
151 |
70 |
82 |
109 |
0 |
| ODI |
0 |
1 |
67 |
164 |
88 |
114 |
152 |
18 |
| CDI |
0 |
0 |
32 |
150 |
114 |
164 |
315 |
105 |
| VCDI |
0 |
0 |
4 |
188 |
205 |
419 |
6875 |
6698 |
|
Date: 2020-01-24:
| 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 |
13405 |
6224 |
808 |
492 |
121 |
30 |
7 |
0 |
| OW |
0 |
151 |
235 |
191 |
76 |
32 |
19 |
0 |
| VODI |
0 |
47 |
108 |
193 |
116 |
85 |
59 |
0 |
| ODI |
0 |
14 |
49 |
175 |
114 |
93 |
127 |
18 |
| CDI |
0 |
2 |
48 |
149 |
159 |
115 |
436 |
69 |
| VCDI |
0 |
2 |
32 |
186 |
307 |
363 |
7517 |
5785 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13405 |
6105 |
713 |
490 |
146 |
59 |
31 |
0 |
| OW |
0 |
170 |
215 |
152 |
78 |
41 |
36 |
0 |
| VODI |
0 |
88 |
158 |
160 |
76 |
52 |
102 |
0 |
| ODI |
0 |
36 |
55 |
165 |
94 |
62 |
131 |
5 |
| CDI |
0 |
22 |
42 |
144 |
132 |
88 |
317 |
54 |
| VCDI |
0 |
19 |
97 |
275 |
367 |
416 |
7548 |
5813 |
|
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