Validation of sea ice concentration - American sector
Bulletin date: 2022-05-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-05-20:
| 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 |
5 |
0 |
20 |
32 |
0 |
0 |
0 |
| OW |
0 |
18 |
0 |
36 |
264 |
7 |
0 |
0 |
| VODI |
0 |
18 |
1 |
90 |
618 |
119 |
28 |
0 |
| ODI |
0 |
21 |
2 |
172 |
505 |
204 |
64 |
0 |
| CDI |
0 |
47 |
7 |
322 |
904 |
603 |
1045 |
40 |
| VCDI |
0 |
100 |
17 |
344 |
1280 |
3317 |
10691 |
24925 |
|
...date precedes bulletin
|
Date: 2022-05-22:
| 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 |
28 |
6 |
47 |
31 |
5 |
0 |
0 |
| OW |
0 |
43 |
3 |
78 |
348 |
19 |
7 |
0 |
| VODI |
0 |
26 |
4 |
168 |
687 |
156 |
29 |
0 |
| ODI |
0 |
38 |
4 |
151 |
563 |
215 |
53 |
0 |
| CDI |
0 |
69 |
7 |
263 |
927 |
662 |
574 |
33 |
| VCDI |
0 |
112 |
24 |
343 |
1147 |
2458 |
12416 |
24122 |
|
...date precedes bulletin
|
Date: 2022-05-24:
| 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 |
46 |
4 |
52 |
15 |
0 |
0 |
0 |
| OW |
0 |
51 |
5 |
203 |
179 |
5 |
7 |
0 |
| VODI |
0 |
37 |
5 |
222 |
897 |
35 |
1 |
0 |
| ODI |
0 |
53 |
3 |
90 |
1017 |
167 |
2 |
0 |
| CDI |
0 |
123 |
13 |
179 |
1260 |
1099 |
182 |
0 |
| VCDI |
0 |
90 |
14 |
211 |
668 |
2849 |
12280 |
23802 |
|
...date precedes bulletin
|
Date: 2022-05-26:
| 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 |
124 |
6 |
112 |
22 |
1 |
1 |
0 |
| OW |
0 |
96 |
9 |
318 |
282 |
8 |
4 |
0 |
| VODI |
0 |
55 |
1 |
165 |
849 |
85 |
8 |
0 |
| ODI |
0 |
58 |
7 |
84 |
630 |
228 |
13 |
0 |
| CDI |
0 |
119 |
15 |
175 |
1079 |
840 |
308 |
2 |
| VCDI |
0 |
108 |
14 |
221 |
797 |
2763 |
14969 |
21290 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
117 |
6 |
130 |
147 |
3 |
2 |
0 |
| OW |
0 |
83 |
8 |
263 |
334 |
30 |
3 |
0 |
| VODI |
0 |
75 |
2 |
193 |
582 |
105 |
10 |
0 |
| ODI |
0 |
64 |
6 |
93 |
641 |
222 |
27 |
0 |
| CDI |
0 |
117 |
15 |
174 |
1052 |
691 |
327 |
0 |
| VCDI |
0 |
104 |
15 |
222 |
903 |
2874 |
14934 |
21292 |
|
Date: 2022-05-28:
| 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 |
121 |
19 |
296 |
50 |
8 |
2 |
0 |
| OW |
0 |
90 |
7 |
307 |
420 |
5 |
1 |
0 |
| VODI |
0 |
40 |
2 |
115 |
796 |
114 |
0 |
0 |
| ODI |
0 |
50 |
2 |
37 |
670 |
208 |
4 |
0 |
| CDI |
0 |
106 |
16 |
86 |
996 |
1065 |
295 |
1 |
| VCDI |
0 |
82 |
15 |
318 |
767 |
2985 |
16016 |
19754 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
119 |
17 |
328 |
288 |
26 |
2 |
0 |
| OW |
0 |
78 |
8 |
222 |
286 |
42 |
1 |
0 |
| VODI |
0 |
58 |
3 |
158 |
628 |
109 |
0 |
0 |
| ODI |
0 |
43 |
3 |
48 |
685 |
209 |
10 |
0 |
| CDI |
0 |
102 |
15 |
79 |
944 |
958 |
373 |
0 |
| VCDI |
0 |
89 |
15 |
324 |
868 |
3041 |
15932 |
19755 |
|
Date: 2022-05-30:
| 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 |
149 |
5 |
308 |
32 |
9 |
1 |
0 |
| OW |
0 |
77 |
4 |
317 |
230 |
1 |
1 |
0 |
| VODI |
0 |
49 |
4 |
227 |
1076 |
4 |
0 |
0 |
| ODI |
0 |
38 |
5 |
61 |
1365 |
169 |
0 |
0 |
| CDI |
0 |
69 |
10 |
179 |
809 |
1616 |
174 |
2 |
| VCDI |
0 |
51 |
8 |
202 |
502 |
3926 |
15615 |
18571 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
113 |
5 |
445 |
435 |
31 |
1 |
0 |
| OW |
0 |
58 |
2 |
233 |
414 |
21 |
1 |
0 |
| VODI |
0 |
49 |
1 |
123 |
694 |
82 |
0 |
0 |
| ODI |
0 |
34 |
4 |
50 |
625 |
188 |
4 |
0 |
| CDI |
0 |
96 |
12 |
145 |
1125 |
1092 |
488 |
2 |
| VCDI |
0 |
83 |
12 |
298 |
721 |
4311 |
15297 |
18571 |
|
Date: 2022-06-01:
| 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 |
218 |
11 |
348 |
126 |
7 |
0 |
0 |
| OW |
0 |
107 |
9 |
506 |
431 |
2 |
0 |
0 |
| VODI |
0 |
65 |
9 |
447 |
1094 |
14 |
0 |
0 |
| ODI |
0 |
45 |
4 |
200 |
811 |
123 |
0 |
0 |
| CDI |
0 |
103 |
11 |
292 |
1664 |
967 |
113 |
15 |
| VCDI |
0 |
39 |
8 |
153 |
1786 |
4705 |
18185 |
13248 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
170 |
11 |
468 |
597 |
7 |
0 |
0 |
| OW |
0 |
71 |
7 |
353 |
452 |
2 |
0 |
0 |
| VODI |
0 |
66 |
4 |
286 |
572 |
53 |
0 |
0 |
| ODI |
0 |
60 |
4 |
243 |
604 |
142 |
0 |
1 |
| CDI |
0 |
138 |
13 |
374 |
1368 |
1068 |
192 |
7 |
| VCDI |
0 |
72 |
13 |
222 |
2319 |
4546 |
18106 |
13255 |
|
Date: 2022-06-03:
| 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 |
388 |
24 |
616 |
271 |
5 |
0 |
0 |
| OW |
0 |
86 |
9 |
542 |
817 |
7 |
0 |
0 |
| VODI |
0 |
39 |
5 |
267 |
830 |
32 |
0 |
0 |
| ODI |
0 |
37 |
2 |
161 |
621 |
169 |
12 |
0 |
| CDI |
0 |
117 |
16 |
304 |
1516 |
1699 |
255 |
13 |
| VCDI |
0 |
49 |
7 |
125 |
747 |
8357 |
16600 |
11121 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
255 |
20 |
634 |
660 |
5 |
0 |
0 |
| OW |
0 |
88 |
5 |
335 |
536 |
5 |
0 |
0 |
| VODI |
0 |
78 |
4 |
276 |
451 |
93 |
4 |
0 |
| ODI |
0 |
52 |
6 |
229 |
613 |
272 |
40 |
2 |
| CDI |
0 |
166 |
17 |
410 |
1396 |
1800 |
705 |
21 |
| VCDI |
0 |
77 |
11 |
131 |
1146 |
8094 |
16118 |
11111 |
|
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