Validation of sea ice concentration - American sector
Bulletin date: 2022-03-03
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-25:
| 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 |
0 |
0 |
0 |
6 |
0 |
| ODI |
0 |
0 |
0 |
2 |
3 |
4 |
24 |
0 |
| CDI |
0 |
0 |
0 |
0 |
30 |
70 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
96 |
1268 |
10316 |
34033 |
|
...date precedes bulletin
|
Date: 2022-02-27:
| 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 |
0 |
2 |
6 |
32 |
0 |
| ODI |
0 |
0 |
0 |
2 |
7 |
19 |
29 |
0 |
| CDI |
0 |
0 |
2 |
15 |
69 |
124 |
55 |
0 |
| VCDI |
0 |
0 |
6 |
59 |
202 |
1405 |
12138 |
31694 |
|
...date precedes bulletin
|
Date: 2022-03-01:
| 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 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
14 |
11 |
0 |
| ODI |
0 |
0 |
0 |
0 |
1 |
20 |
36 |
0 |
| CDI |
0 |
0 |
1 |
6 |
23 |
105 |
113 |
11 |
| VCDI |
0 |
0 |
2 |
38 |
186 |
1082 |
11994 |
32223 |
|
...date precedes bulletin
|
Date: 2022-03-03:
| 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 |
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 |
7 |
1 |
12 |
30 |
0 |
| CDI |
0 |
0 |
6 |
7 |
29 |
124 |
45 |
0 |
| VCDI |
0 |
0 |
19 |
149 |
203 |
1308 |
10721 |
33205 |
|
|
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 |
4 |
1 |
9 |
26 |
0 |
| CDI |
0 |
0 |
5 |
9 |
27 |
130 |
56 |
0 |
| VCDI |
0 |
0 |
20 |
150 |
205 |
1305 |
10714 |
33205 |
|
Date: 2022-03-05:
| 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 |
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 |
8 |
3 |
2 |
0 |
| CDI |
0 |
0 |
0 |
5 |
81 |
24 |
25 |
0 |
| VCDI |
0 |
0 |
1 |
72 |
233 |
1364 |
9433 |
34615 |
|
|
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 |
6 |
3 |
4 |
0 |
| CDI |
0 |
0 |
0 |
4 |
77 |
21 |
27 |
0 |
| VCDI |
0 |
0 |
1 |
73 |
239 |
1367 |
9429 |
34615 |
|
Date: 2022-03-07:
| 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 |
1 |
0 |
| ODI |
0 |
0 |
1 |
2 |
0 |
0 |
5 |
0 |
| CDI |
0 |
0 |
0 |
10 |
38 |
78 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
32 |
384 |
1345 |
10119 |
33833 |
|
|
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 |
0 |
0 |
2 |
0 |
| CDI |
0 |
0 |
1 |
7 |
29 |
68 |
15 |
0 |
| VCDI |
0 |
0 |
0 |
37 |
393 |
1355 |
10126 |
33833 |
|
Date: 2022-03-09:
| 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 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
17 |
51 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
278 |
1200 |
9326 |
34944 |
|
|
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 |
0 |
9 |
5 |
0 |
| CDI |
0 |
0 |
0 |
2 |
13 |
48 |
22 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
282 |
1194 |
9318 |
34944 |
|
Date: 2022-03-11:
| 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 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
14 |
40 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
169 |
1345 |
10075 |
34204 |
|
|
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 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
2 |
73 |
29 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
181 |
1312 |
10052 |
34204 |
|
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