Validation of sea ice concentration - American sector
Bulletin date: 2022-02-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-18:
| 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 |
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 |
0 |
24 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
1057 |
5157 |
39616 |
|
...date precedes bulletin
|
Date: 2022-02-20:
| 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 |
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 |
10 |
4 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
41 |
1162 |
8183 |
36456 |
|
...date precedes bulletin
|
Date: 2022-02-22:
| 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 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
3 |
35 |
0 |
| CDI |
0 |
0 |
0 |
4 |
44 |
96 |
61 |
5 |
| VCDI |
0 |
0 |
0 |
21 |
110 |
1539 |
9995 |
33951 |
|
...date precedes bulletin
|
Date: 2022-02-24:
| 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 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
1 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
2 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
32 |
1126 |
9308 |
35369 |
|
|
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 |
1 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
2 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
32 |
1126 |
9307 |
35369 |
|
Date: 2022-02-26:
| 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 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
1 |
22 |
0 |
| ODI |
0 |
0 |
0 |
0 |
13 |
15 |
19 |
0 |
| CDI |
0 |
1 |
0 |
13 |
65 |
72 |
21 |
0 |
| VCDI |
0 |
0 |
1 |
44 |
211 |
1511 |
11265 |
32592 |
|
|
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 |
1 |
14 |
0 |
| ODI |
0 |
0 |
0 |
0 |
14 |
17 |
22 |
0 |
| CDI |
0 |
1 |
0 |
14 |
68 |
69 |
23 |
0 |
| VCDI |
0 |
0 |
1 |
43 |
207 |
1512 |
11268 |
32592 |
|
Date: 2022-02-28:
| 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 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
11 |
8 |
0 |
| ODI |
0 |
0 |
0 |
1 |
2 |
22 |
30 |
0 |
| CDI |
0 |
1 |
1 |
7 |
35 |
112 |
86 |
4 |
| VCDI |
0 |
2 |
4 |
22 |
192 |
1021 |
12008 |
32297 |
|
|
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 |
17 |
32 |
0 |
| ODI |
0 |
0 |
0 |
0 |
5 |
14 |
25 |
0 |
| CDI |
0 |
1 |
0 |
9 |
68 |
165 |
109 |
0 |
| VCDI |
0 |
2 |
5 |
21 |
156 |
970 |
11966 |
32301 |
|
Date: 2022-03-02:
| 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 |
3 |
1 |
0 |
| ODI |
0 |
0 |
0 |
3 |
1 |
30 |
39 |
0 |
| CDI |
0 |
0 |
0 |
12 |
15 |
113 |
86 |
11 |
| VCDI |
0 |
0 |
0 |
64 |
262 |
1161 |
11661 |
32404 |
|
|
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 |
21 |
0 |
| ODI |
0 |
0 |
0 |
0 |
1 |
32 |
45 |
0 |
| CDI |
0 |
0 |
0 |
16 |
14 |
180 |
127 |
5 |
| VCDI |
0 |
0 |
0 |
63 |
263 |
1081 |
11594 |
32410 |
|
Date: 2022-03-04:
| 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 |
5 |
5 |
3 |
4 |
0 |
| CDI |
0 |
0 |
0 |
10 |
25 |
78 |
59 |
0 |
| VCDI |
0 |
0 |
8 |
116 |
184 |
1246 |
9083 |
35040 |
|
|
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 |
10 |
15 |
0 |
| ODI |
0 |
0 |
0 |
5 |
9 |
12 |
36 |
2 |
| CDI |
0 |
0 |
0 |
8 |
21 |
91 |
75 |
21 |
| VCDI |
0 |
0 |
8 |
118 |
184 |
1214 |
9020 |
35017 |
|
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