Validation of sea ice concentration - American sector
Bulletin date: 2019-04-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2019-04-12:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
3 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
10 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
71 |
17 |
4 |
0 |
| CDI |
0 |
0 |
0 |
7 |
176 |
194 |
135 |
19 |
| VCDI |
0 |
0 |
0 |
7 |
264 |
1883 |
10565 |
32511 |
|
...date precedes bulletin
|
Date: 2019-04-14:
| 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 |
1 |
11 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
51 |
25 |
18 |
0 |
| CDI |
0 |
0 |
0 |
27 |
172 |
189 |
101 |
86 |
| VCDI |
0 |
0 |
0 |
44 |
325 |
2009 |
10139 |
32658 |
|
...date precedes bulletin
|
Date: 2019-04-16:
| 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 |
16 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
18 |
57 |
10 |
0 |
0 |
| ODI |
0 |
0 |
0 |
2 |
109 |
81 |
25 |
16 |
| CDI |
0 |
0 |
0 |
0 |
119 |
355 |
81 |
160 |
| VCDI |
0 |
0 |
0 |
0 |
66 |
1921 |
8901 |
33929 |
|
...date precedes bulletin
|
Date: 2019-04-18:
| 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 |
8 |
5 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
4 |
28 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
116 |
59 |
64 |
16 |
| CDI |
0 |
0 |
0 |
0 |
140 |
416 |
247 |
61 |
| VCDI |
0 |
0 |
0 |
0 |
163 |
2355 |
10515 |
31661 |
|
|
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 |
4 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
8 |
30 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
115 |
54 |
67 |
18 |
| CDI |
0 |
0 |
0 |
0 |
134 |
403 |
245 |
52 |
| VCDI |
0 |
0 |
0 |
0 |
172 |
2374 |
10514 |
31668 |
|
Date: 2019-04-20:
| 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 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
28 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
122 |
30 |
6 |
0 |
| CDI |
0 |
0 |
0 |
0 |
191 |
269 |
210 |
66 |
| VCDI |
0 |
0 |
0 |
0 |
212 |
2435 |
11029 |
31264 |
|
|
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 |
0 |
27 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
118 |
31 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
203 |
313 |
221 |
54 |
| VCDI |
0 |
0 |
0 |
0 |
207 |
2388 |
11019 |
31276 |
|
Date: 2019-04-22:
| 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 |
5 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
17 |
73 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
37 |
182 |
71 |
5 |
0 |
| CDI |
0 |
0 |
0 |
14 |
221 |
349 |
126 |
1 |
| VCDI |
0 |
0 |
0 |
2 |
237 |
2544 |
12426 |
29549 |
|
|
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 |
1 |
35 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
17 |
79 |
22 |
2 |
0 |
| CDI |
0 |
0 |
0 |
31 |
158 |
144 |
99 |
11 |
| VCDI |
0 |
0 |
0 |
21 |
446 |
2796 |
12456 |
29539 |
|
Date: 2019-04-24:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
33 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
153 |
54 |
43 |
0 |
| CDI |
0 |
0 |
0 |
7 |
305 |
349 |
140 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
471 |
4539 |
12669 |
27090 |
|
|
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 |
0 |
20 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
98 |
54 |
55 |
0 |
| CDI |
0 |
0 |
0 |
3 |
213 |
296 |
179 |
8 |
| VCDI |
0 |
0 |
0 |
9 |
632 |
4595 |
12618 |
27084 |
|
Date: 2019-04-26:
| 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 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
1 |
37 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
138 |
65 |
13 |
0 |
| CDI |
0 |
0 |
0 |
7 |
329 |
323 |
204 |
17 |
| VCDI |
0 |
0 |
0 |
9 |
525 |
3509 |
14234 |
26448 |
|
|
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 |
2 |
36 |
8 |
4 |
0 |
| ODI |
0 |
0 |
0 |
0 |
79 |
49 |
40 |
0 |
| CDI |
0 |
0 |
0 |
3 |
269 |
259 |
410 |
19 |
| VCDI |
0 |
0 |
0 |
15 |
646 |
3584 |
13997 |
26446 |
|
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