Validation of sea ice concentration
Bulletin date: 2019-03-07
Model vs. observations, sea ice class contingency tables
Date: 2019-03-01:
| 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 |
13594 |
5711 |
611 |
506 |
153 |
50 |
26 |
0 |
| OW |
0 |
87 |
169 |
165 |
83 |
26 |
23 |
0 |
| VODI |
0 |
19 |
119 |
215 |
130 |
90 |
48 |
0 |
| ODI |
0 |
5 |
31 |
122 |
144 |
161 |
135 |
5 |
| CDI |
0 |
3 |
13 |
95 |
135 |
237 |
386 |
56 |
| VCDI |
0 |
0 |
8 |
124 |
172 |
785 |
7507 |
6210 |
|
...date precedes bulletin
|
Date: 2019-03-05:
| 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 |
13065 |
5796 |
679 |
513 |
222 |
168 |
59 |
0 |
| OW |
0 |
87 |
109 |
144 |
93 |
65 |
56 |
0 |
| VODI |
0 |
12 |
83 |
176 |
115 |
112 |
96 |
0 |
| ODI |
0 |
2 |
17 |
150 |
141 |
178 |
165 |
0 |
| CDI |
0 |
0 |
6 |
110 |
158 |
350 |
505 |
36 |
| VCDI |
0 |
0 |
29 |
46 |
106 |
775 |
7978 |
5757 |
|
...date precedes bulletin
|
Date: 2019-03-07:
| 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 |
12794 |
5688 |
982 |
478 |
302 |
102 |
73 |
0 |
| OW |
0 |
39 |
139 |
96 |
143 |
69 |
65 |
0 |
| VODI |
0 |
5 |
80 |
97 |
163 |
125 |
90 |
0 |
| ODI |
0 |
0 |
17 |
106 |
165 |
168 |
159 |
4 |
| CDI |
0 |
0 |
5 |
74 |
136 |
276 |
557 |
47 |
| VCDI |
0 |
0 |
25 |
74 |
116 |
465 |
7902 |
6333 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12794 |
5686 |
997 |
484 |
320 |
103 |
81 |
0 |
| OW |
0 |
41 |
120 |
97 |
133 |
68 |
59 |
0 |
| VODI |
0 |
5 |
82 |
90 |
143 |
116 |
92 |
0 |
| ODI |
0 |
0 |
20 |
100 |
178 |
163 |
162 |
4 |
| CDI |
0 |
0 |
4 |
77 |
133 |
275 |
543 |
40 |
| VCDI |
0 |
0 |
25 |
77 |
118 |
480 |
7909 |
6340 |
|
Date: 2019-03-11:
| 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 |
12694 |
5773 |
730 |
507 |
181 |
258 |
79 |
0 |
| OW |
0 |
12 |
103 |
153 |
77 |
86 |
52 |
0 |
| VODI |
0 |
0 |
52 |
178 |
145 |
200 |
87 |
0 |
| ODI |
0 |
0 |
23 |
108 |
118 |
342 |
124 |
0 |
| CDI |
0 |
0 |
4 |
74 |
132 |
594 |
484 |
13 |
| VCDI |
0 |
0 |
5 |
13 |
38 |
921 |
7997 |
5802 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12694 |
5761 |
687 |
485 |
190 |
297 |
114 |
0 |
| OW |
0 |
24 |
99 |
145 |
53 |
87 |
58 |
0 |
| VODI |
0 |
0 |
71 |
152 |
110 |
159 |
102 |
0 |
| ODI |
0 |
0 |
28 |
67 |
103 |
230 |
151 |
0 |
| CDI |
0 |
0 |
10 |
98 |
125 |
436 |
406 |
9 |
| VCDI |
0 |
0 |
22 |
86 |
110 |
1192 |
7992 |
5806 |
|
Date: 2019-03-13:
| 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 |
12607 |
5760 |
944 |
434 |
189 |
137 |
132 |
0 |
| OW |
0 |
17 |
137 |
123 |
75 |
57 |
79 |
0 |
| VODI |
0 |
0 |
83 |
130 |
100 |
101 |
136 |
0 |
| ODI |
0 |
0 |
31 |
83 |
123 |
158 |
197 |
0 |
| CDI |
0 |
0 |
2 |
79 |
111 |
242 |
577 |
70 |
| VCDI |
0 |
0 |
1 |
28 |
109 |
448 |
6454 |
8205 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12607 |
5725 |
861 |
413 |
209 |
160 |
189 |
0 |
| OW |
0 |
40 |
123 |
89 |
36 |
47 |
82 |
0 |
| VODI |
0 |
12 |
126 |
125 |
78 |
82 |
159 |
0 |
| ODI |
0 |
0 |
58 |
91 |
109 |
111 |
231 |
0 |
| CDI |
0 |
0 |
29 |
105 |
112 |
223 |
486 |
31 |
| VCDI |
0 |
0 |
1 |
54 |
163 |
520 |
6428 |
8244 |
|
Date: 2019-03-15:
| 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 |
12882 |
5823 |
730 |
400 |
171 |
114 |
103 |
0 |
| OW |
0 |
59 |
146 |
93 |
68 |
59 |
69 |
0 |
| VODI |
0 |
17 |
113 |
86 |
97 |
84 |
123 |
0 |
| ODI |
0 |
7 |
69 |
86 |
108 |
165 |
182 |
0 |
| CDI |
0 |
2 |
28 |
67 |
102 |
208 |
542 |
30 |
| VCDI |
0 |
0 |
10 |
68 |
140 |
306 |
6399 |
8403 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12882 |
5767 |
668 |
373 |
180 |
132 |
147 |
0 |
| OW |
0 |
80 |
107 |
78 |
55 |
43 |
70 |
0 |
| VODI |
0 |
42 |
134 |
65 |
65 |
63 |
130 |
0 |
| ODI |
0 |
11 |
97 |
96 |
74 |
111 |
172 |
4 |
| CDI |
0 |
7 |
61 |
85 |
126 |
220 |
550 |
47 |
| VCDI |
0 |
1 |
29 |
103 |
186 |
367 |
6349 |
8382 |
|
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