Validation of sea ice concentration - American sector
Bulletin date: 2020-05-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-05-01:
| 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 |
21 |
9 |
0 |
0 |
0 |
| OW |
0 |
40 |
6 |
62 |
34 |
0 |
2 |
0 |
| VODI |
0 |
6 |
6 |
56 |
56 |
43 |
23 |
0 |
| ODI |
0 |
0 |
0 |
20 |
147 |
271 |
69 |
0 |
| CDI |
0 |
0 |
0 |
1 |
132 |
725 |
579 |
83 |
| VCDI |
0 |
0 |
0 |
0 |
64 |
2003 |
11722 |
29686 |
|
...date precedes bulletin
|
Date: 2020-05-03:
| 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 |
54 |
8 |
0 |
0 |
0 |
| OW |
0 |
39 |
13 |
59 |
45 |
4 |
8 |
0 |
| VODI |
0 |
119 |
12 |
25 |
58 |
43 |
40 |
0 |
| ODI |
0 |
10 |
9 |
52 |
87 |
171 |
110 |
0 |
| CDI |
0 |
0 |
0 |
36 |
154 |
447 |
381 |
24 |
| VCDI |
0 |
0 |
0 |
0 |
321 |
1620 |
9291 |
32626 |
|
...date precedes bulletin
|
Date: 2020-05-05:
| 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 |
44 |
2 |
31 |
4 |
0 |
0 |
0 |
| OW |
0 |
60 |
16 |
125 |
44 |
0 |
3 |
0 |
| VODI |
0 |
5 |
1 |
66 |
65 |
22 |
8 |
0 |
| ODI |
0 |
0 |
0 |
11 |
163 |
93 |
30 |
0 |
| CDI |
0 |
0 |
0 |
3 |
143 |
526 |
310 |
66 |
| VCDI |
0 |
0 |
0 |
0 |
205 |
1651 |
9973 |
32196 |
|
...date precedes bulletin
|
Date: 2020-05-07:
| 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 |
30 |
5 |
30 |
1 |
0 |
0 |
0 |
| OW |
0 |
96 |
24 |
102 |
62 |
2 |
5 |
0 |
| VODI |
0 |
5 |
2 |
80 |
57 |
58 |
7 |
0 |
| ODI |
0 |
0 |
0 |
24 |
153 |
101 |
29 |
0 |
| CDI |
0 |
0 |
0 |
2 |
247 |
640 |
366 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
262 |
2303 |
9572 |
31594 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
70 |
13 |
53 |
8 |
0 |
0 |
0 |
| OW |
0 |
56 |
13 |
67 |
52 |
6 |
5 |
0 |
| VODI |
0 |
5 |
5 |
89 |
61 |
52 |
7 |
0 |
| ODI |
0 |
0 |
0 |
26 |
175 |
132 |
31 |
0 |
| CDI |
0 |
0 |
0 |
3 |
229 |
557 |
353 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
257 |
2357 |
9583 |
31592 |
|
Date: 2020-05-09:
| 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 |
32 |
4 |
77 |
11 |
0 |
4 |
0 |
| OW |
0 |
114 |
15 |
60 |
125 |
15 |
9 |
0 |
| VODI |
0 |
9 |
2 |
67 |
204 |
61 |
27 |
0 |
| ODI |
0 |
0 |
0 |
56 |
254 |
159 |
38 |
0 |
| CDI |
0 |
0 |
0 |
43 |
476 |
579 |
373 |
40 |
| VCDI |
0 |
0 |
0 |
12 |
613 |
3136 |
10737 |
28514 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
106 |
8 |
105 |
35 |
0 |
1 |
0 |
| OW |
0 |
45 |
12 |
33 |
127 |
24 |
12 |
0 |
| VODI |
0 |
4 |
1 |
66 |
196 |
56 |
27 |
0 |
| ODI |
0 |
0 |
0 |
53 |
246 |
172 |
45 |
0 |
| CDI |
0 |
0 |
0 |
46 |
464 |
545 |
353 |
38 |
| VCDI |
0 |
0 |
0 |
12 |
615 |
3153 |
10750 |
28516 |
|
Date: 2020-05-11:
| 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 |
144 |
8 |
38 |
5 |
1 |
8 |
0 |
| OW |
0 |
81 |
13 |
139 |
105 |
4 |
16 |
0 |
| VODI |
0 |
10 |
4 |
212 |
383 |
52 |
6 |
0 |
| ODI |
0 |
5 |
2 |
60 |
590 |
218 |
15 |
0 |
| CDI |
0 |
2 |
1 |
18 |
730 |
732 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
515 |
2376 |
11390 |
27725 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
161 |
8 |
174 |
115 |
10 |
17 |
0 |
| OW |
0 |
56 |
7 |
94 |
165 |
22 |
16 |
0 |
| VODI |
0 |
16 |
10 |
84 |
256 |
95 |
30 |
0 |
| ODI |
0 |
7 |
1 |
76 |
327 |
233 |
126 |
0 |
| CDI |
0 |
2 |
2 |
32 |
698 |
565 |
375 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
767 |
2458 |
11117 |
27725 |
|
Date: 2020-05-13:
| 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 |
176 |
11 |
57 |
68 |
2 |
16 |
0 |
| OW |
0 |
27 |
14 |
101 |
253 |
17 |
12 |
0 |
| VODI |
0 |
24 |
6 |
117 |
436 |
89 |
30 |
0 |
| ODI |
0 |
10 |
6 |
66 |
481 |
285 |
108 |
0 |
| CDI |
0 |
0 |
0 |
79 |
711 |
818 |
403 |
89 |
| VCDI |
0 |
0 |
0 |
43 |
672 |
2804 |
12015 |
25820 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
142 |
8 |
113 |
326 |
33 |
45 |
0 |
| OW |
0 |
55 |
8 |
44 |
202 |
36 |
43 |
0 |
| VODI |
0 |
17 |
12 |
74 |
290 |
128 |
81 |
0 |
| ODI |
0 |
16 |
6 |
45 |
368 |
255 |
118 |
0 |
| CDI |
0 |
7 |
3 |
126 |
821 |
770 |
389 |
13 |
| VCDI |
0 |
0 |
0 |
61 |
614 |
2793 |
11908 |
25896 |
|
Date: 2020-05-15:
| 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 |
172 |
13 |
46 |
136 |
32 |
1 |
0 |
| OW |
0 |
53 |
17 |
130 |
282 |
33 |
4 |
0 |
| VODI |
0 |
57 |
12 |
154 |
501 |
109 |
32 |
0 |
| ODI |
0 |
18 |
4 |
122 |
422 |
238 |
187 |
68 |
| CDI |
0 |
3 |
3 |
128 |
702 |
757 |
324 |
160 |
| VCDI |
0 |
0 |
0 |
35 |
791 |
2890 |
14732 |
22498 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
169 |
15 |
90 |
407 |
73 |
32 |
0 |
| OW |
0 |
26 |
14 |
73 |
193 |
43 |
22 |
0 |
| VODI |
0 |
44 |
7 |
117 |
343 |
79 |
57 |
0 |
| ODI |
0 |
30 |
6 |
103 |
426 |
228 |
115 |
2 |
| CDI |
0 |
34 |
5 |
154 |
770 |
770 |
372 |
51 |
| VCDI |
0 |
0 |
2 |
78 |
695 |
2866 |
14682 |
22673 |
|
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