Validation of sea ice concentration - American sector
Bulletin date: 2019-04-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2019-04-19:
| 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 |
6 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
21 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
14 |
103 |
53 |
5 |
8 |
| CDI |
0 |
0 |
0 |
2 |
157 |
384 |
168 |
216 |
| VCDI |
0 |
0 |
0 |
0 |
200 |
1995 |
10710 |
31816 |
|
...date precedes bulletin
|
Date: 2019-04-21:
| 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 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
37 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
13 |
86 |
27 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
182 |
214 |
194 |
27 |
| VCDI |
0 |
0 |
0 |
0 |
240 |
3099 |
11698 |
30023 |
|
...date precedes bulletin
|
Date: 2019-04-23:
| 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 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
4 |
48 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
18 |
149 |
27 |
2 |
0 |
| CDI |
0 |
0 |
0 |
33 |
311 |
202 |
133 |
41 |
| VCDI |
0 |
0 |
0 |
8 |
453 |
2960 |
13276 |
28201 |
|
...date precedes bulletin
|
Date: 2019-04-25:
| 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 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
33 |
13 |
1 |
0 |
| ODI |
0 |
0 |
0 |
4 |
121 |
73 |
81 |
0 |
| CDI |
0 |
0 |
0 |
13 |
208 |
459 |
241 |
3 |
| VCDI |
0 |
0 |
0 |
10 |
537 |
4580 |
13894 |
25594 |
|
|
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 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
19 |
16 |
2 |
0 |
| ODI |
0 |
0 |
0 |
8 |
113 |
56 |
84 |
0 |
| CDI |
0 |
0 |
0 |
11 |
198 |
429 |
242 |
6 |
| VCDI |
0 |
0 |
0 |
8 |
569 |
4624 |
13889 |
25591 |
|
Date: 2019-04-27:
| 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 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
2 |
7 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
85 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
163 |
42 |
13 |
0 |
| CDI |
0 |
0 |
0 |
6 |
322 |
348 |
198 |
2 |
| VCDI |
0 |
0 |
0 |
4 |
468 |
3140 |
15254 |
25804 |
|
|
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 |
1 |
7 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
65 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
161 |
42 |
14 |
0 |
| CDI |
0 |
0 |
0 |
6 |
298 |
340 |
187 |
2 |
| VCDI |
0 |
0 |
0 |
3 |
515 |
3148 |
15264 |
25804 |
|
Date: 2019-04-29:
| 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 |
12 |
5 |
0 |
0 |
0 |
| OW |
0 |
11 |
7 |
109 |
63 |
6 |
0 |
0 |
| VODI |
0 |
0 |
1 |
133 |
153 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
303 |
122 |
8 |
0 |
| CDI |
0 |
0 |
0 |
3 |
245 |
731 |
137 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
258 |
3603 |
13111 |
26788 |
|
|
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 |
9 |
20 |
5 |
0 |
0 |
| OW |
0 |
0 |
0 |
33 |
44 |
9 |
0 |
0 |
| VODI |
0 |
0 |
5 |
63 |
87 |
12 |
4 |
0 |
| ODI |
0 |
11 |
3 |
93 |
146 |
138 |
24 |
0 |
| CDI |
0 |
0 |
0 |
79 |
271 |
606 |
174 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
459 |
3701 |
13054 |
26794 |
|
Date: 2019-05-01:
| 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 |
49 |
10 |
170 |
83 |
3 |
0 |
0 |
| OW |
0 |
6 |
0 |
72 |
125 |
8 |
0 |
0 |
| VODI |
0 |
4 |
2 |
61 |
241 |
43 |
0 |
0 |
| ODI |
0 |
0 |
0 |
46 |
242 |
126 |
5 |
0 |
| CDI |
0 |
0 |
0 |
17 |
254 |
552 |
243 |
10 |
| VCDI |
0 |
0 |
0 |
1 |
342 |
4127 |
18946 |
20078 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
7 |
4 |
94 |
55 |
6 |
0 |
0 |
| OW |
0 |
12 |
4 |
44 |
58 |
9 |
0 |
0 |
| VODI |
0 |
37 |
2 |
91 |
191 |
24 |
2 |
0 |
| ODI |
0 |
3 |
2 |
76 |
267 |
176 |
22 |
1 |
| CDI |
0 |
0 |
0 |
27 |
314 |
722 |
289 |
16 |
| VCDI |
0 |
0 |
0 |
35 |
402 |
3922 |
18881 |
20071 |
|
Date: 2019-05-03:
| 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 |
111 |
15 |
173 |
91 |
0 |
0 |
0 |
| OW |
0 |
16 |
3 |
129 |
144 |
0 |
0 |
0 |
| VODI |
0 |
15 |
3 |
127 |
202 |
20 |
0 |
0 |
| ODI |
0 |
0 |
0 |
71 |
202 |
184 |
22 |
0 |
| CDI |
0 |
0 |
0 |
23 |
285 |
738 |
290 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
486 |
4579 |
21616 |
16308 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
35 |
5 |
136 |
84 |
4 |
0 |
0 |
| OW |
0 |
39 |
7 |
82 |
68 |
12 |
1 |
0 |
| VODI |
0 |
68 |
6 |
170 |
223 |
73 |
9 |
0 |
| ODI |
0 |
0 |
3 |
93 |
270 |
299 |
46 |
0 |
| CDI |
0 |
0 |
0 |
34 |
326 |
930 |
422 |
17 |
| VCDI |
0 |
0 |
0 |
8 |
439 |
4203 |
21450 |
16304 |
|
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