Validation of sea ice concentration - American sector
Bulletin date: 2022-05-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-29:
| 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 |
1 |
2 |
2 |
0 |
0 |
| VODI |
0 |
0 |
0 |
6 |
17 |
8 |
0 |
0 |
| ODI |
0 |
1 |
1 |
16 |
36 |
48 |
1 |
0 |
| CDI |
0 |
8 |
1 |
14 |
108 |
202 |
131 |
34 |
| VCDI |
0 |
4 |
2 |
32 |
463 |
2478 |
11964 |
30286 |
|
...date precedes bulletin
|
Date: 2022-05-01:
| 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 |
2 |
0 |
0 |
| VODI |
0 |
0 |
0 |
5 |
10 |
10 |
0 |
0 |
| ODI |
0 |
0 |
0 |
10 |
33 |
56 |
16 |
0 |
| CDI |
0 |
2 |
1 |
23 |
143 |
252 |
284 |
0 |
| VCDI |
0 |
2 |
1 |
37 |
620 |
3101 |
12466 |
28792 |
|
...date precedes bulletin
|
Date: 2022-05-03:
| 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 |
29 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
10 |
86 |
70 |
13 |
0 |
| CDI |
0 |
0 |
0 |
25 |
269 |
543 |
239 |
29 |
| VCDI |
0 |
0 |
0 |
62 |
698 |
3163 |
12952 |
27673 |
|
...date precedes bulletin
|
Date: 2022-05-05:
| 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 |
4 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
12 |
30 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
16 |
115 |
46 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
266 |
470 |
94 |
47 |
| VCDI |
0 |
0 |
0 |
59 |
944 |
3070 |
11997 |
28678 |
|
|
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 |
12 |
32 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
12 |
112 |
58 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
281 |
484 |
91 |
49 |
| VCDI |
0 |
0 |
0 |
61 |
931 |
3040 |
12000 |
28676 |
|
Date: 2022-05-07:
| 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 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
3 |
22 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
17 |
103 |
55 |
9 |
0 |
| CDI |
0 |
2 |
0 |
29 |
364 |
421 |
286 |
51 |
| VCDI |
0 |
6 |
2 |
96 |
1132 |
3240 |
14403 |
25620 |
|
|
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 |
2 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
33 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
12 |
110 |
60 |
12 |
0 |
| CDI |
0 |
0 |
0 |
28 |
354 |
405 |
274 |
58 |
| VCDI |
0 |
8 |
2 |
103 |
1124 |
3251 |
14412 |
25613 |
|
Date: 2022-05-09:
| 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 |
2 |
84 |
81 |
3 |
0 |
| ODI |
0 |
0 |
0 |
19 |
257 |
196 |
9 |
0 |
| CDI |
0 |
0 |
0 |
44 |
740 |
798 |
131 |
14 |
| VCDI |
0 |
61 |
12 |
134 |
1584 |
6160 |
11723 |
23814 |
|
|
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 |
2 |
5 |
0 |
| VODI |
0 |
0 |
0 |
0 |
75 |
97 |
7 |
0 |
| ODI |
0 |
0 |
0 |
4 |
158 |
182 |
52 |
0 |
| CDI |
0 |
0 |
0 |
21 |
492 |
651 |
286 |
90 |
| VCDI |
0 |
61 |
12 |
174 |
1940 |
6303 |
11516 |
23738 |
|
Date: 2022-05-11:
| 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 |
14 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
7 |
238 |
80 |
2 |
0 |
| ODI |
0 |
0 |
0 |
26 |
308 |
214 |
5 |
0 |
| CDI |
0 |
0 |
0 |
71 |
592 |
886 |
123 |
54 |
| VCDI |
0 |
78 |
12 |
139 |
1418 |
6346 |
11873 |
23380 |
|
|
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 |
22 |
24 |
1 |
0 |
| VODI |
0 |
0 |
0 |
1 |
179 |
113 |
6 |
0 |
| ODI |
0 |
0 |
0 |
23 |
280 |
254 |
15 |
4 |
| CDI |
0 |
0 |
0 |
43 |
542 |
756 |
128 |
61 |
| VCDI |
0 |
78 |
12 |
176 |
1547 |
6379 |
11853 |
23369 |
|
Date: 2022-05-13:
| 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 |
2 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
16 |
59 |
24 |
0 |
0 |
| VODI |
0 |
0 |
0 |
25 |
190 |
122 |
19 |
0 |
| ODI |
0 |
3 |
1 |
13 |
223 |
216 |
93 |
0 |
| CDI |
0 |
1 |
1 |
92 |
497 |
704 |
573 |
44 |
| VCDI |
0 |
71 |
11 |
250 |
1342 |
5364 |
13567 |
22343 |
|
|
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 |
11 |
6 |
0 |
0 |
| OW |
0 |
0 |
0 |
6 |
34 |
39 |
3 |
0 |
| VODI |
0 |
0 |
0 |
34 |
166 |
127 |
37 |
0 |
| ODI |
0 |
1 |
0 |
23 |
197 |
205 |
135 |
5 |
| CDI |
0 |
3 |
2 |
57 |
430 |
675 |
533 |
69 |
| VCDI |
0 |
71 |
11 |
276 |
1475 |
5378 |
13544 |
22313 |
|
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