Validation of sea ice concentration - American sector
Bulletin date: 2022-07-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-08:
| 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 |
862 |
6617 |
2266 |
1429 |
177 |
65 |
0 |
0 |
| OW |
4 |
39 |
122 |
748 |
256 |
87 |
4 |
0 |
| VODI |
0 |
54 |
114 |
760 |
715 |
306 |
12 |
0 |
| ODI |
0 |
58 |
70 |
495 |
965 |
330 |
44 |
0 |
| CDI |
0 |
50 |
178 |
410 |
3946 |
2993 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
1849 |
17570 |
2144 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-10:
| 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 |
701 |
7010 |
2569 |
1400 |
217 |
37 |
1 |
0 |
| OW |
0 |
73 |
147 |
854 |
350 |
45 |
1 |
0 |
| VODI |
0 |
81 |
139 |
811 |
941 |
124 |
1 |
0 |
| ODI |
0 |
37 |
76 |
361 |
726 |
238 |
5 |
0 |
| CDI |
0 |
66 |
152 |
439 |
4035 |
2993 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
1247 |
14798 |
5107 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-12:
| 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 |
742 |
8145 |
1924 |
1218 |
285 |
15 |
0 |
0 |
| OW |
3 |
64 |
214 |
707 |
264 |
38 |
0 |
0 |
| VODI |
0 |
76 |
111 |
1086 |
809 |
146 |
0 |
0 |
| ODI |
0 |
50 |
98 |
527 |
1339 |
297 |
9 |
0 |
| CDI |
0 |
36 |
52 |
144 |
3253 |
4453 |
48 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
913 |
14347 |
4447 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-14:
| 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 |
2666 |
6713 |
1784 |
1116 |
266 |
37 |
0 |
0 |
| OW |
2 |
108 |
238 |
880 |
339 |
8 |
0 |
0 |
| VODI |
0 |
48 |
92 |
1081 |
840 |
11 |
0 |
0 |
| ODI |
0 |
59 |
101 |
367 |
1090 |
427 |
2 |
0 |
| CDI |
0 |
62 |
54 |
198 |
3217 |
4608 |
210 |
0 |
| VCDI |
0 |
7 |
15 |
27 |
896 |
9077 |
9002 |
218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2666 |
6718 |
1777 |
1116 |
291 |
23 |
0 |
0 |
| OW |
2 |
92 |
241 |
824 |
261 |
24 |
0 |
0 |
| VODI |
0 |
57 |
96 |
1114 |
913 |
15 |
0 |
0 |
| ODI |
0 |
67 |
100 |
407 |
1134 |
332 |
5 |
0 |
| CDI |
0 |
63 |
66 |
180 |
3052 |
4517 |
228 |
0 |
| VCDI |
0 |
0 |
4 |
28 |
997 |
9257 |
8981 |
218 |
|
Date: 2022-07-16:
| 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 |
1175 |
8131 |
2137 |
1285 |
316 |
24 |
0 |
0 |
| OW |
6 |
69 |
192 |
971 |
443 |
12 |
0 |
0 |
| VODI |
2 |
56 |
67 |
940 |
562 |
15 |
0 |
0 |
| ODI |
0 |
52 |
62 |
345 |
1028 |
405 |
5 |
0 |
| CDI |
0 |
81 |
74 |
257 |
2522 |
6168 |
516 |
0 |
| VCDI |
0 |
2 |
2 |
48 |
1017 |
11737 |
5142 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1176 |
8096 |
2117 |
1294 |
365 |
26 |
0 |
0 |
| OW |
5 |
99 |
203 |
909 |
360 |
10 |
0 |
0 |
| VODI |
2 |
53 |
77 |
986 |
638 |
15 |
0 |
0 |
| ODI |
0 |
63 |
66 |
347 |
996 |
382 |
7 |
0 |
| CDI |
0 |
78 |
69 |
226 |
2461 |
6330 |
514 |
0 |
| VCDI |
0 |
2 |
2 |
84 |
1068 |
11598 |
5142 |
0 |
|
Date: 2022-07-18:
| 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 |
1258 |
8270 |
2472 |
1494 |
327 |
10 |
0 |
0 |
| OW |
4 |
115 |
172 |
768 |
301 |
1 |
0 |
0 |
| VODI |
0 |
79 |
131 |
1228 |
524 |
2 |
0 |
0 |
| ODI |
0 |
63 |
64 |
428 |
2503 |
293 |
1 |
0 |
| CDI |
0 |
1 |
25 |
70 |
3755 |
5622 |
127 |
0 |
| VCDI |
0 |
4 |
0 |
3 |
560 |
10136 |
5055 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1261 |
8096 |
2409 |
1550 |
469 |
11 |
0 |
0 |
| OW |
1 |
109 |
175 |
844 |
307 |
0 |
0 |
0 |
| VODI |
0 |
128 |
85 |
888 |
379 |
18 |
0 |
0 |
| ODI |
0 |
150 |
128 |
455 |
1084 |
297 |
19 |
0 |
| CDI |
0 |
45 |
67 |
247 |
4320 |
5002 |
108 |
0 |
| VCDI |
0 |
4 |
0 |
7 |
1411 |
10736 |
5056 |
0 |
|
Date: 2022-07-20:
| 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 |
2439 |
8028 |
2087 |
1672 |
402 |
15 |
0 |
0 |
| OW |
1 |
133 |
173 |
819 |
158 |
9 |
0 |
0 |
| VODI |
0 |
78 |
92 |
1077 |
643 |
15 |
0 |
0 |
| ODI |
0 |
71 |
45 |
386 |
2204 |
442 |
2 |
0 |
| CDI |
0 |
8 |
19 |
148 |
3139 |
5658 |
479 |
0 |
| VCDI |
0 |
4 |
0 |
3 |
844 |
6980 |
7593 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2439 |
7781 |
1927 |
1765 |
469 |
20 |
0 |
0 |
| OW |
1 |
168 |
192 |
657 |
162 |
4 |
0 |
0 |
| VODI |
0 |
143 |
132 |
815 |
313 |
56 |
0 |
0 |
| ODI |
0 |
142 |
121 |
499 |
1173 |
315 |
8 |
0 |
| CDI |
0 |
84 |
44 |
361 |
3951 |
4980 |
363 |
0 |
| VCDI |
0 |
4 |
0 |
8 |
1322 |
7744 |
7703 |
0 |
|
Date: 2022-07-22:
| 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 |
2838 |
7307 |
2344 |
2093 |
517 |
13 |
0 |
0 |
| OW |
0 |
148 |
244 |
789 |
111 |
0 |
0 |
0 |
| VODI |
0 |
105 |
109 |
1098 |
486 |
7 |
0 |
0 |
| ODI |
0 |
56 |
68 |
458 |
1871 |
588 |
3 |
0 |
| CDI |
0 |
5 |
9 |
235 |
3254 |
5539 |
561 |
0 |
| VCDI |
0 |
4 |
1 |
5 |
845 |
9181 |
4974 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2838 |
6998 |
2191 |
2197 |
561 |
13 |
0 |
0 |
| OW |
0 |
184 |
195 |
442 |
70 |
1 |
0 |
0 |
| VODI |
0 |
196 |
185 |
751 |
265 |
63 |
15 |
0 |
| ODI |
0 |
160 |
144 |
659 |
924 |
360 |
44 |
0 |
| CDI |
0 |
83 |
58 |
608 |
3938 |
5066 |
390 |
0 |
| VCDI |
0 |
4 |
2 |
21 |
1326 |
9825 |
5089 |
0 |
|
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