Validation of sea ice concentration - American sector
Bulletin date: 2022-05-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-05-15:
| 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 |
0 |
0 |
0 |
9 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
45 |
92 |
39 |
1 |
0 |
| VODI |
0 |
5 |
3 |
63 |
226 |
114 |
35 |
0 |
| ODI |
0 |
6 |
0 |
30 |
244 |
169 |
99 |
0 |
| CDI |
0 |
2 |
4 |
137 |
813 |
1062 |
234 |
17 |
| VCDI |
0 |
61 |
10 |
209 |
1480 |
5672 |
13173 |
21812 |
|
...date precedes bulletin
|
Date: 2022-05-17:
| 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 |
6 |
3 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
20 |
77 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
57 |
388 |
34 |
0 |
0 |
| ODI |
0 |
0 |
0 |
55 |
684 |
201 |
7 |
0 |
| CDI |
0 |
3 |
1 |
154 |
1100 |
1382 |
450 |
17 |
| VCDI |
0 |
65 |
8 |
195 |
1007 |
2929 |
11858 |
25162 |
|
...date precedes bulletin
|
Date: 2022-05-19:
| 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 |
9 |
22 |
0 |
0 |
0 |
| OW |
0 |
16 |
0 |
33 |
189 |
3 |
0 |
0 |
| VODI |
0 |
13 |
3 |
84 |
581 |
88 |
15 |
0 |
| ODI |
0 |
14 |
3 |
139 |
541 |
197 |
49 |
0 |
| CDI |
0 |
35 |
10 |
361 |
982 |
719 |
941 |
34 |
| VCDI |
0 |
99 |
14 |
278 |
1278 |
2888 |
11049 |
25179 |
|
|
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 |
8 |
19 |
0 |
0 |
0 |
| OW |
0 |
12 |
0 |
37 |
266 |
8 |
0 |
0 |
| VODI |
0 |
15 |
3 |
87 |
579 |
115 |
14 |
0 |
| ODI |
0 |
15 |
3 |
150 |
438 |
168 |
41 |
0 |
| CDI |
0 |
37 |
10 |
344 |
996 |
650 |
811 |
27 |
| VCDI |
0 |
98 |
14 |
278 |
1295 |
2954 |
11188 |
25186 |
|
Date: 2022-05-21:
| 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 |
9 |
1 |
37 |
48 |
6 |
0 |
0 |
| OW |
0 |
34 |
2 |
33 |
290 |
23 |
1 |
0 |
| VODI |
0 |
24 |
2 |
86 |
707 |
172 |
13 |
0 |
| ODI |
0 |
23 |
3 |
160 |
599 |
182 |
47 |
0 |
| CDI |
0 |
55 |
5 |
274 |
885 |
670 |
896 |
17 |
| VCDI |
0 |
101 |
17 |
379 |
1234 |
2992 |
11894 |
23945 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
12 |
2 |
41 |
96 |
8 |
0 |
0 |
| OW |
0 |
31 |
0 |
32 |
415 |
34 |
1 |
0 |
| VODI |
0 |
24 |
3 |
99 |
539 |
174 |
10 |
0 |
| ODI |
0 |
24 |
3 |
158 |
506 |
156 |
41 |
0 |
| CDI |
0 |
54 |
5 |
265 |
942 |
621 |
874 |
25 |
| VCDI |
0 |
101 |
17 |
374 |
1265 |
3052 |
11925 |
23937 |
|
Date: 2022-05-23:
| 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 |
33 |
4 |
40 |
15 |
0 |
0 |
0 |
| OW |
0 |
53 |
3 |
84 |
118 |
3 |
6 |
0 |
| VODI |
0 |
37 |
6 |
324 |
711 |
27 |
4 |
0 |
| ODI |
0 |
59 |
2 |
143 |
1259 |
191 |
8 |
0 |
| CDI |
0 |
116 |
15 |
218 |
1042 |
1155 |
154 |
0 |
| VCDI |
0 |
92 |
19 |
194 |
706 |
2382 |
12332 |
24311 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
43 |
5 |
84 |
177 |
4 |
2 |
0 |
| OW |
0 |
30 |
3 |
121 |
473 |
52 |
10 |
0 |
| VODI |
0 |
26 |
3 |
171 |
430 |
159 |
51 |
0 |
| ODI |
0 |
40 |
3 |
90 |
536 |
124 |
33 |
0 |
| CDI |
0 |
122 |
12 |
200 |
961 |
629 |
403 |
16 |
| VCDI |
0 |
129 |
23 |
337 |
1274 |
2790 |
12005 |
24295 |
|
Date: 2022-05-25:
| 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 |
69 |
3 |
86 |
5 |
0 |
1 |
0 |
| OW |
0 |
73 |
10 |
294 |
214 |
6 |
5 |
0 |
| VODI |
0 |
63 |
6 |
209 |
874 |
49 |
10 |
0 |
| ODI |
0 |
62 |
4 |
126 |
721 |
230 |
5 |
0 |
| CDI |
0 |
129 |
12 |
223 |
1243 |
871 |
224 |
1 |
| VCDI |
0 |
102 |
15 |
225 |
695 |
3001 |
12812 |
23188 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
72 |
8 |
177 |
234 |
17 |
6 |
0 |
| OW |
0 |
58 |
4 |
146 |
445 |
62 |
12 |
0 |
| VODI |
0 |
41 |
4 |
177 |
339 |
143 |
44 |
0 |
| ODI |
0 |
45 |
3 |
111 |
495 |
129 |
23 |
0 |
| CDI |
0 |
127 |
9 |
192 |
1140 |
557 |
453 |
3 |
| VCDI |
0 |
155 |
22 |
360 |
1099 |
3249 |
12519 |
23186 |
|
Date: 2022-05-27:
| 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 |
130 |
10 |
212 |
54 |
3 |
3 |
0 |
| OW |
0 |
102 |
7 |
291 |
332 |
7 |
2 |
0 |
| VODI |
0 |
42 |
1 |
160 |
777 |
142 |
1 |
0 |
| ODI |
0 |
58 |
3 |
76 |
612 |
233 |
14 |
0 |
| CDI |
0 |
108 |
17 |
137 |
981 |
1012 |
186 |
2 |
| VCDI |
0 |
89 |
16 |
284 |
778 |
3519 |
14996 |
20469 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
126 |
13 |
303 |
363 |
59 |
3 |
0 |
| OW |
0 |
46 |
2 |
131 |
313 |
87 |
14 |
0 |
| VODI |
0 |
49 |
2 |
184 |
317 |
108 |
43 |
0 |
| ODI |
0 |
53 |
3 |
59 |
513 |
99 |
33 |
0 |
| CDI |
0 |
131 |
10 |
125 |
909 |
808 |
401 |
60 |
| VCDI |
0 |
124 |
24 |
358 |
1119 |
3755 |
14708 |
20411 |
|
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