Validation of sea ice concentration
Bulletin date: 2018-08-30
Model vs. observations, sea ice class contingency tables
Date: 2018-08-24:
| 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 |
26809 |
5012 |
496 |
333 |
110 |
26 |
36 |
0 |
| OW |
0 |
55 |
50 |
122 |
143 |
27 |
11 |
0 |
| VODI |
0 |
12 |
32 |
94 |
216 |
75 |
43 |
0 |
| ODI |
0 |
0 |
2 |
29 |
152 |
225 |
244 |
0 |
| CDI |
0 |
0 |
0 |
0 |
26 |
317 |
1924 |
436 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
376 |
725 |
|
...date precedes bulletin
|
Date: 2018-08-28:
| 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 |
26580 |
5179 |
460 |
411 |
58 |
27 |
41 |
0 |
| OW |
0 |
35 |
48 |
147 |
76 |
23 |
13 |
0 |
| VODI |
0 |
6 |
29 |
138 |
125 |
90 |
52 |
0 |
| ODI |
0 |
0 |
5 |
49 |
101 |
200 |
249 |
0 |
| CDI |
0 |
17 |
1 |
15 |
19 |
173 |
2916 |
103 |
| VCDI |
0 |
350 |
6 |
10 |
14 |
12 |
381 |
0 |
|
...date precedes bulletin
|
Date: 2018-08-30:
| 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 |
26517 |
5128 |
549 |
447 |
60 |
40 |
31 |
0 |
| OW |
0 |
13 |
33 |
160 |
122 |
26 |
15 |
0 |
| VODI |
0 |
0 |
15 |
110 |
183 |
136 |
46 |
0 |
| ODI |
0 |
0 |
6 |
36 |
112 |
212 |
236 |
0 |
| CDI |
0 |
0 |
1 |
2 |
20 |
145 |
2692 |
349 |
| VCDI |
0 |
138 |
6 |
16 |
14 |
8 |
535 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26517 |
5128 |
554 |
458 |
64 |
39 |
26 |
0 |
| OW |
0 |
13 |
28 |
156 |
115 |
32 |
20 |
0 |
| VODI |
0 |
0 |
16 |
106 |
190 |
131 |
50 |
0 |
| ODI |
0 |
0 |
5 |
33 |
114 |
209 |
243 |
0 |
| CDI |
0 |
15 |
2 |
5 |
15 |
150 |
2648 |
349 |
| VCDI |
0 |
123 |
5 |
13 |
13 |
6 |
568 |
0 |
|
Date: 2018-09-03:
| 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 |
24763 |
6357 |
1124 |
369 |
97 |
22 |
19 |
0 |
| OW |
0 |
10 |
42 |
123 |
78 |
12 |
7 |
0 |
| VODI |
0 |
3 |
29 |
124 |
179 |
63 |
26 |
0 |
| ODI |
0 |
0 |
3 |
64 |
174 |
167 |
107 |
0 |
| CDI |
0 |
0 |
0 |
1 |
21 |
101 |
1480 |
516 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
5 |
894 |
1178 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24763 |
6361 |
1129 |
361 |
87 |
23 |
14 |
0 |
| OW |
0 |
8 |
37 |
134 |
115 |
27 |
12 |
0 |
| VODI |
0 |
1 |
27 |
114 |
184 |
102 |
54 |
0 |
| ODI |
0 |
0 |
5 |
72 |
154 |
163 |
247 |
0 |
| CDI |
0 |
0 |
0 |
0 |
10 |
54 |
2197 |
840 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
9 |
854 |
|
Date: 2018-09-05:
| 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 |
24223 |
6941 |
951 |
399 |
107 |
19 |
6 |
0 |
| OW |
0 |
19 |
40 |
111 |
84 |
15 |
8 |
0 |
| VODI |
0 |
1 |
22 |
112 |
177 |
49 |
25 |
0 |
| ODI |
0 |
0 |
2 |
59 |
199 |
128 |
79 |
0 |
| CDI |
0 |
0 |
0 |
2 |
48 |
171 |
1450 |
221 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
13 |
1006 |
1469 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24223 |
6920 |
936 |
397 |
110 |
19 |
2 |
0 |
| OW |
0 |
32 |
39 |
119 |
110 |
34 |
7 |
0 |
| VODI |
0 |
9 |
34 |
94 |
201 |
94 |
59 |
0 |
| ODI |
0 |
0 |
6 |
73 |
168 |
153 |
184 |
0 |
| CDI |
0 |
0 |
0 |
0 |
29 |
94 |
2223 |
400 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
99 |
1290 |
|
Date: 2018-09-07:
| 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 |
24704 |
6469 |
787 |
442 |
78 |
16 |
5 |
0 |
| OW |
0 |
19 |
47 |
130 |
47 |
13 |
7 |
0 |
| VODI |
0 |
3 |
17 |
156 |
160 |
46 |
14 |
0 |
| ODI |
0 |
0 |
3 |
82 |
153 |
119 |
76 |
0 |
| CDI |
0 |
0 |
0 |
4 |
63 |
155 |
1389 |
131 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
21 |
1067 |
1726 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24704 |
6448 |
769 |
498 |
93 |
21 |
2 |
0 |
| OW |
0 |
32 |
50 |
119 |
102 |
34 |
10 |
0 |
| VODI |
0 |
9 |
31 |
108 |
165 |
106 |
69 |
0 |
| ODI |
0 |
2 |
4 |
87 |
120 |
118 |
238 |
0 |
| CDI |
0 |
0 |
0 |
2 |
30 |
86 |
1753 |
87 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
5 |
486 |
1770 |
|
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