Validation of sea ice concentration - American sector
Bulletin date: 2022-09-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-02:
| 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 |
16596 |
8354 |
51 |
140 |
23 |
1 |
0 |
0 |
| OW |
3 |
918 |
37 |
216 |
5 |
0 |
0 |
0 |
| VODI |
0 |
734 |
81 |
1065 |
129 |
12 |
0 |
0 |
| ODI |
0 |
1 |
1 |
861 |
1823 |
445 |
0 |
0 |
| CDI |
0 |
1 |
2 |
30 |
1363 |
2375 |
389 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
79 |
3725 |
4550 |
1856 |
|
...date precedes bulletin
|
Date: 2022-09-04:
| 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 |
16855 |
8126 |
62 |
250 |
28 |
0 |
0 |
0 |
| OW |
1 |
1059 |
32 |
293 |
9 |
2 |
0 |
0 |
| VODI |
0 |
833 |
67 |
700 |
197 |
39 |
0 |
0 |
| ODI |
0 |
16 |
7 |
1058 |
1455 |
311 |
3 |
0 |
| CDI |
0 |
1 |
2 |
101 |
1600 |
2135 |
310 |
18 |
| VCDI |
0 |
0 |
0 |
2 |
284 |
4154 |
4858 |
998 |
|
...date precedes bulletin
|
Date: 2022-09-06:
| 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 |
18503 |
7879 |
88 |
436 |
57 |
0 |
0 |
0 |
| OW |
0 |
539 |
41 |
294 |
37 |
0 |
0 |
0 |
| VODI |
0 |
151 |
45 |
1225 |
257 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
493 |
1846 |
79 |
3 |
0 |
| CDI |
0 |
1 |
2 |
13 |
1192 |
2387 |
598 |
12 |
| VCDI |
0 |
0 |
0 |
1 |
78 |
3983 |
4415 |
1203 |
|
...date precedes bulletin
|
Date: 2022-09-08:
| 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 |
18294 |
7899 |
95 |
523 |
64 |
2 |
0 |
0 |
| OW |
0 |
677 |
38 |
299 |
63 |
0 |
0 |
0 |
| VODI |
0 |
198 |
48 |
1039 |
328 |
40 |
0 |
0 |
| ODI |
0 |
0 |
0 |
486 |
1109 |
543 |
68 |
0 |
| CDI |
0 |
2 |
1 |
23 |
1582 |
1722 |
1154 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
4259 |
4118 |
1157 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18294 |
8119 |
97 |
533 |
56 |
2 |
0 |
0 |
| OW |
0 |
475 |
39 |
303 |
67 |
0 |
0 |
0 |
| VODI |
0 |
180 |
45 |
956 |
339 |
42 |
0 |
0 |
| ODI |
0 |
0 |
0 |
549 |
1185 |
542 |
72 |
0 |
| CDI |
0 |
2 |
1 |
29 |
1506 |
1747 |
1089 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
4233 |
4179 |
1157 |
|
Date: 2022-09-10:
| 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 |
18254 |
8230 |
84 |
250 |
61 |
5 |
0 |
0 |
| OW |
0 |
929 |
43 |
282 |
9 |
0 |
0 |
0 |
| VODI |
0 |
241 |
56 |
1035 |
268 |
12 |
0 |
0 |
| ODI |
0 |
2 |
2 |
529 |
921 |
468 |
19 |
0 |
| CDI |
0 |
1 |
1 |
46 |
1755 |
1852 |
969 |
0 |
| VCDI |
0 |
0 |
1 |
3 |
52 |
3987 |
4299 |
1200 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18254 |
8502 |
90 |
270 |
50 |
5 |
0 |
0 |
| OW |
0 |
645 |
36 |
281 |
21 |
0 |
0 |
0 |
| VODI |
0 |
255 |
59 |
969 |
286 |
21 |
0 |
0 |
| ODI |
0 |
0 |
0 |
556 |
959 |
463 |
24 |
0 |
| CDI |
0 |
1 |
2 |
69 |
1701 |
1775 |
925 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
4060 |
4338 |
1200 |
|
Date: 2022-09-12:
| 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 |
18731 |
8389 |
74 |
231 |
30 |
3 |
0 |
0 |
| OW |
0 |
493 |
71 |
352 |
1 |
0 |
0 |
0 |
| VODI |
0 |
69 |
25 |
1240 |
122 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
182 |
2417 |
80 |
0 |
0 |
| CDI |
0 |
1 |
2 |
10 |
677 |
2517 |
363 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
27 |
3459 |
6050 |
249 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18731 |
7927 |
71 |
297 |
31 |
3 |
0 |
0 |
| OW |
0 |
746 |
42 |
248 |
4 |
0 |
0 |
0 |
| VODI |
0 |
278 |
57 |
956 |
273 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
478 |
1217 |
71 |
0 |
0 |
| CDI |
0 |
0 |
0 |
31 |
1711 |
1999 |
386 |
0 |
| VCDI |
0 |
1 |
2 |
6 |
38 |
3986 |
6027 |
249 |
|
Date: 2022-09-14:
| 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 |
18376 |
8574 |
68 |
250 |
52 |
2 |
0 |
0 |
| OW |
0 |
484 |
63 |
317 |
87 |
0 |
0 |
0 |
| VODI |
0 |
45 |
31 |
819 |
396 |
32 |
0 |
0 |
| ODI |
0 |
0 |
0 |
215 |
1451 |
598 |
0 |
0 |
| CDI |
0 |
1 |
1 |
5 |
398 |
2237 |
644 |
0 |
| VCDI |
0 |
1 |
1 |
6 |
32 |
3323 |
6910 |
447 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18376 |
8050 |
77 |
275 |
23 |
2 |
0 |
0 |
| OW |
0 |
749 |
34 |
287 |
12 |
0 |
0 |
0 |
| VODI |
0 |
304 |
50 |
743 |
473 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
296 |
1072 |
211 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
803 |
1982 |
246 |
0 |
| VCDI |
0 |
2 |
2 |
8 |
33 |
3997 |
7308 |
447 |
|
Date: 2022-09-16:
| 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 |
18664 |
8058 |
66 |
236 |
39 |
1 |
0 |
0 |
| OW |
0 |
767 |
48 |
215 |
76 |
0 |
0 |
0 |
| VODI |
0 |
174 |
49 |
777 |
334 |
24 |
0 |
0 |
| ODI |
0 |
0 |
1 |
285 |
1122 |
265 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
465 |
2345 |
359 |
0 |
| VCDI |
0 |
2 |
1 |
8 |
21 |
2776 |
7248 |
1439 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18544 |
7261 |
72 |
193 |
13 |
1 |
0 |
0 |
| OW |
120 |
1089 |
29 |
156 |
10 |
0 |
0 |
0 |
| VODI |
0 |
639 |
53 |
700 |
248 |
0 |
0 |
0 |
| ODI |
0 |
10 |
10 |
462 |
953 |
46 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
808 |
1656 |
41 |
0 |
| VCDI |
0 |
2 |
1 |
8 |
25 |
3708 |
7566 |
1439 |
|
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