Validation of sea ice concentration - American sector
Bulletin date: 2020-04-02
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-03-27:
| 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 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
36 |
12 |
15 |
0 |
| CDI |
0 |
0 |
0 |
0 |
15 |
206 |
141 |
96 |
| VCDI |
0 |
0 |
0 |
0 |
82 |
1106 |
7021 |
37136 |
|
...date precedes bulletin
|
Date: 2020-03-29:
| 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 |
10 |
18 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
22 |
173 |
112 |
68 |
| VCDI |
0 |
0 |
0 |
0 |
54 |
1162 |
11215 |
33032 |
|
...date precedes bulletin
|
Date: 2020-03-31:
| 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 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
76 |
52 |
21 |
0 |
| CDI |
0 |
0 |
0 |
0 |
80 |
214 |
62 |
67 |
| VCDI |
0 |
0 |
0 |
0 |
114 |
1686 |
10678 |
32799 |
|
...date precedes bulletin
|
Date: 2020-04-02:
| 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 |
14 |
38 |
8 |
0 |
| ODI |
0 |
0 |
0 |
0 |
61 |
66 |
26 |
0 |
| CDI |
0 |
0 |
0 |
0 |
190 |
338 |
126 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
226 |
1898 |
14610 |
28265 |
|
|
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 |
8 |
35 |
9 |
0 |
| ODI |
0 |
0 |
0 |
0 |
56 |
66 |
26 |
0 |
| CDI |
0 |
0 |
0 |
0 |
183 |
318 |
104 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
244 |
1921 |
14631 |
28264 |
|
Date: 2020-04-04:
| 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 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
20 |
42 |
35 |
0 |
| ODI |
0 |
0 |
0 |
0 |
90 |
79 |
42 |
0 |
| CDI |
0 |
0 |
0 |
0 |
171 |
362 |
141 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
218 |
2066 |
13274 |
29312 |
|
|
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 |
17 |
4 |
0 |
| VODI |
0 |
0 |
0 |
0 |
19 |
29 |
37 |
0 |
| ODI |
0 |
0 |
0 |
0 |
81 |
77 |
38 |
0 |
| CDI |
0 |
0 |
0 |
0 |
171 |
323 |
107 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
228 |
2106 |
13306 |
29322 |
|
Date: 2020-04-06:
| 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 |
7 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
48 |
46 |
1 |
0 |
| ODI |
0 |
0 |
0 |
0 |
91 |
187 |
14 |
0 |
| CDI |
0 |
0 |
0 |
0 |
183 |
575 |
224 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
212 |
1945 |
13859 |
28473 |
|
|
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 |
10 |
4 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
37 |
30 |
17 |
0 |
| ODI |
0 |
0 |
0 |
0 |
51 |
148 |
25 |
0 |
| CDI |
0 |
0 |
0 |
0 |
89 |
349 |
134 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
354 |
2223 |
13922 |
28473 |
|
Date: 2020-04-08:
| 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 |
14 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
8 |
63 |
1 |
0 |
| ODI |
0 |
0 |
0 |
0 |
32 |
134 |
23 |
0 |
| CDI |
0 |
0 |
0 |
0 |
79 |
393 |
200 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
166 |
1819 |
13152 |
29780 |
|
|
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 |
6 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
46 |
1 |
0 |
| ODI |
0 |
0 |
0 |
0 |
16 |
95 |
12 |
5 |
| CDI |
0 |
0 |
0 |
0 |
36 |
246 |
161 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
233 |
2030 |
13202 |
29775 |
|
Date: 2020-04-10:
| 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 |
8 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
29 |
89 |
10 |
2 |
0 |
| ODI |
0 |
0 |
0 |
4 |
151 |
57 |
2 |
0 |
| CDI |
0 |
0 |
0 |
18 |
192 |
234 |
54 |
29 |
| VCDI |
0 |
0 |
0 |
10 |
393 |
1617 |
8415 |
34549 |
|
|
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 |
1 |
11 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
28 |
23 |
4 |
1 |
8 |
| ODI |
0 |
0 |
0 |
0 |
80 |
4 |
3 |
22 |
| CDI |
0 |
0 |
0 |
0 |
143 |
83 |
28 |
44 |
| VCDI |
0 |
0 |
0 |
32 |
576 |
1827 |
8441 |
34504 |
|
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