Validation of sea ice concentration - American sector
Bulletin date: 2020-12-31
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-12-25:
| 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 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
3 |
34 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
31 |
50 |
98 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
221 |
264 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
210 |
2724 |
12003 |
30173 |
|
...date precedes bulletin
|
Date: 2020-12-27:
| 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 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
37 |
1 |
0 |
0 |
0 |
| ODI |
0 |
4 |
5 |
64 |
43 |
13 |
0 |
0 |
| CDI |
0 |
42 |
3 |
35 |
218 |
224 |
3 |
0 |
| VCDI |
0 |
15 |
6 |
29 |
420 |
3990 |
11120 |
29594 |
|
...date precedes bulletin
|
Date: 2020-12-29:
| 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 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
51 |
19 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
312 |
291 |
9 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
468 |
3905 |
9484 |
31304 |
|
...date precedes bulletin
|
Date: 2020-12-31:
| 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 |
0 |
0 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
14 |
58 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
119 |
183 |
0 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
386 |
3463 |
9364 |
32270 |
|
|
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 |
0 |
22 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
11 |
47 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
110 |
176 |
4 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
398 |
3467 |
9360 |
32270 |
|
Date: 2021-01-02:
| 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 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
7 |
74 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
73 |
134 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
326 |
2910 |
8671 |
33661 |
|
|
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 |
0 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
10 |
85 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
72 |
119 |
7 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
324 |
2914 |
8670 |
33659 |
|
Date: 2021-01-04:
| 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 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
3 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
53 |
49 |
0 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
130 |
2327 |
7180 |
36119 |
|
|
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 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
21 |
23 |
1 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
163 |
2353 |
7179 |
36110 |
|
Date: 2021-01-06:
| 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 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
2 |
4 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
11 |
97 |
14 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
226 |
2257 |
8606 |
34640 |
|
|
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 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
1 |
2 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1 |
57 |
23 |
30 |
| VCDI |
0 |
0 |
0 |
0 |
237 |
2299 |
8597 |
34619 |
|
Date: 2021-01-08:
| 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 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
1 |
16 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
13 |
192 |
16 |
37 |
| VCDI |
0 |
0 |
0 |
0 |
104 |
2975 |
11308 |
31204 |
|
|
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 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
21 |
83 |
80 |
33 |
| VCDI |
0 |
0 |
0 |
0 |
95 |
3099 |
11244 |
31208 |
|
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