Validation of sea ice concentration - American sector
Bulletin date: 2017-04-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-04-21:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
14 |
16 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
23 |
44 |
7 |
0 |
| ODI |
0 |
0 |
0 |
4 |
120 |
38 |
5 |
0 |
| CDI |
0 |
0 |
0 |
1 |
196 |
288 |
121 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
171 |
1765 |
14355 |
28698 |
|
...date precedes bulletin
|
Date: 2017-04-23:
| 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 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
27 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
24 |
26 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
37 |
85 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
130 |
260 |
66 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
185 |
1858 |
11122 |
32040 |
|
...date precedes bulletin
|
Date: 2017-04-25:
| 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 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
4 |
7 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
28 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
170 |
16 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
274 |
145 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
492 |
2130 |
11480 |
31077 |
|
...date precedes bulletin
|
Date: 2017-04-27:
| 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 |
0 |
0 |
0 |
2 |
2 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
5 |
9 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
37 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
111 |
20 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
322 |
119 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
976 |
2738 |
12034 |
29385 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
5 |
10 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
35 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
112 |
20 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
333 |
137 |
102 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
966 |
2720 |
12031 |
29385 |
|
Date: 2017-04-29:
| 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 |
0 |
0 |
0 |
1 |
6 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
5 |
8 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
40 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
108 |
21 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
303 |
181 |
84 |
0 |
| VCDI |
0 |
0 |
0 |
54 |
1114 |
3297 |
13294 |
27329 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
1 |
4 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
4 |
7 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
1 |
49 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
119 |
21 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
351 |
211 |
124 |
0 |
| VCDI |
0 |
0 |
0 |
58 |
1049 |
3267 |
13254 |
27329 |
|
Date: 2017-05-01:
| 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 |
0 |
0 |
0 |
1 |
6 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
18 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
76 |
82 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
47 |
235 |
8 |
1 |
0 |
| CDI |
0 |
0 |
0 |
78 |
440 |
142 |
88 |
16 |
| VCDI |
0 |
0 |
0 |
58 |
722 |
3144 |
12681 |
28022 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
1 |
7 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
26 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
17 |
63 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
28 |
162 |
23 |
11 |
0 |
| CDI |
0 |
0 |
0 |
49 |
297 |
142 |
186 |
27 |
| VCDI |
0 |
0 |
0 |
165 |
948 |
3129 |
12573 |
28011 |
|
Date: 2017-05-03:
| 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 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
11 |
26 |
8 |
0 |
0 |
| VODI |
0 |
0 |
0 |
38 |
121 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
34 |
176 |
22 |
22 |
0 |
| CDI |
0 |
0 |
0 |
69 |
296 |
203 |
227 |
13 |
| VCDI |
0 |
0 |
0 |
107 |
1147 |
3207 |
14100 |
26034 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
5 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
20 |
7 |
0 |
0 |
| VODI |
0 |
0 |
0 |
34 |
110 |
10 |
5 |
0 |
| ODI |
0 |
0 |
0 |
36 |
182 |
62 |
34 |
0 |
| CDI |
0 |
0 |
0 |
56 |
295 |
264 |
404 |
13 |
| VCDI |
0 |
0 |
0 |
131 |
1156 |
3100 |
13906 |
26034 |
|
Date: 2017-05-05:
| 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 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
14 |
17 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
42 |
80 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
126 |
64 |
5 |
0 |
| CDI |
0 |
0 |
0 |
25 |
324 |
171 |
230 |
11 |
| VCDI |
0 |
0 |
0 |
48 |
979 |
3108 |
12956 |
27632 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
10 |
17 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
39 |
99 |
39 |
4 |
0 |
| ODI |
0 |
0 |
0 |
31 |
192 |
133 |
9 |
0 |
| CDI |
0 |
0 |
0 |
19 |
266 |
390 |
594 |
35 |
| VCDI |
0 |
0 |
0 |
63 |
952 |
2781 |
12584 |
27608 |
|
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