Validation of sea ice concentration - American sector
Bulletin date: 2017-05-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-04-28:
| 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 |
0 |
0 |
0 |
3 |
4 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
5 |
9 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
1 |
30 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
107 |
20 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
307 |
238 |
104 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
898 |
3069 |
12000 |
29065 |
|
...date precedes bulletin
|
Date: 2017-04-30:
| 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 |
0 |
0 |
0 |
2 |
5 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
3 |
10 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
49 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
123 |
8 |
0 |
0 |
| CDI |
0 |
0 |
0 |
44 |
365 |
121 |
129 |
6 |
| VCDI |
0 |
0 |
0 |
99 |
1024 |
3085 |
11883 |
28900 |
|
...date precedes bulletin
|
Date: 2017-05-02:
| 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 |
4 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
8 |
24 |
2 |
0 |
0 |
| VODI |
0 |
0 |
0 |
43 |
122 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
197 |
21 |
11 |
3 |
| CDI |
0 |
0 |
0 |
47 |
343 |
185 |
134 |
42 |
| VCDI |
0 |
0 |
0 |
100 |
864 |
3192 |
13239 |
27259 |
|
...date precedes bulletin
|
Date: 2017-05-04:
| 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 |
22 |
15 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
62 |
81 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
28 |
183 |
47 |
4 |
0 |
| CDI |
0 |
0 |
0 |
41 |
341 |
199 |
200 |
7 |
| VCDI |
0 |
0 |
0 |
81 |
1158 |
3007 |
14196 |
26191 |
|
|
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 |
1 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
25 |
22 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
56 |
87 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
32 |
166 |
49 |
3 |
0 |
| CDI |
0 |
0 |
0 |
38 |
316 |
201 |
234 |
9 |
| VCDI |
0 |
0 |
0 |
82 |
1187 |
3002 |
14163 |
26189 |
|
Date: 2017-05-06:
| 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 |
15 |
18 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
72 |
43 |
2 |
2 |
0 |
| ODI |
0 |
0 |
0 |
42 |
103 |
55 |
4 |
0 |
| CDI |
0 |
0 |
0 |
50 |
316 |
159 |
195 |
12 |
| VCDI |
0 |
0 |
0 |
77 |
1247 |
3270 |
11737 |
28447 |
|
|
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 |
15 |
26 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
64 |
50 |
5 |
2 |
0 |
| ODI |
0 |
0 |
0 |
45 |
112 |
61 |
7 |
1 |
| CDI |
0 |
0 |
0 |
58 |
297 |
175 |
279 |
18 |
| VCDI |
0 |
0 |
0 |
74 |
1242 |
3245 |
11650 |
28440 |
|
Date: 2017-05-08:
| 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 |
3 |
67 |
24 |
0 |
0 |
0 |
| VODI |
0 |
0 |
5 |
146 |
100 |
17 |
1 |
0 |
| ODI |
0 |
0 |
3 |
65 |
251 |
69 |
8 |
0 |
| CDI |
0 |
0 |
1 |
128 |
630 |
481 |
124 |
0 |
| VCDI |
0 |
0 |
0 |
82 |
1125 |
4341 |
13252 |
24942 |
|
|
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 |
7 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
18 |
13 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
74 |
58 |
8 |
0 |
0 |
| ODI |
0 |
0 |
4 |
80 |
149 |
58 |
26 |
0 |
| CDI |
0 |
0 |
6 |
134 |
440 |
369 |
167 |
0 |
| VCDI |
0 |
0 |
2 |
182 |
1464 |
4473 |
13192 |
24942 |
|
Date: 2017-05-10:
| 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 |
0 |
0 |
0 |
11 |
1 |
0 |
0 |
0 |
| OW |
0 |
3 |
10 |
62 |
34 |
0 |
0 |
0 |
| VODI |
0 |
0 |
11 |
54 |
86 |
13 |
0 |
0 |
| ODI |
0 |
0 |
7 |
51 |
177 |
73 |
4 |
0 |
| CDI |
0 |
0 |
2 |
178 |
496 |
800 |
187 |
17 |
| VCDI |
0 |
0 |
0 |
258 |
1397 |
4458 |
15263 |
22213 |
|
|
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 |
3 |
0 |
0 |
0 |
| OW |
0 |
0 |
1 |
17 |
16 |
0 |
0 |
0 |
| VODI |
0 |
3 |
9 |
45 |
72 |
36 |
0 |
0 |
| ODI |
0 |
0 |
14 |
72 |
113 |
74 |
22 |
0 |
| CDI |
0 |
0 |
6 |
150 |
382 |
850 |
297 |
0 |
| VCDI |
0 |
0 |
0 |
330 |
1605 |
4384 |
15135 |
22230 |
|
Date: 2017-05-12:
| 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 |
6 |
6 |
44 |
6 |
0 |
0 |
0 |
| OW |
0 |
21 |
22 |
28 |
13 |
0 |
0 |
0 |
| VODI |
0 |
18 |
44 |
64 |
59 |
3 |
0 |
0 |
| ODI |
0 |
14 |
51 |
135 |
151 |
52 |
10 |
0 |
| CDI |
0 |
15 |
93 |
326 |
616 |
760 |
217 |
3 |
| VCDI |
0 |
0 |
8 |
444 |
1439 |
4212 |
14368 |
22618 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1 |
0 |
4 |
7 |
0 |
0 |
0 |
| OW |
0 |
12 |
0 |
11 |
15 |
0 |
0 |
0 |
| VODI |
0 |
35 |
33 |
76 |
55 |
9 |
0 |
0 |
| ODI |
0 |
17 |
73 |
156 |
120 |
41 |
4 |
0 |
| CDI |
0 |
9 |
100 |
372 |
420 |
496 |
280 |
8 |
| VCDI |
0 |
0 |
18 |
422 |
1667 |
4481 |
14311 |
22613 |
|
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