Validation of sea ice concentration - American sector
Bulletin date: 2020-09-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-09-11:
| 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 |
19445 |
6857 |
51 |
88 |
0 |
0 |
0 |
0 |
| OW |
0 |
1302 |
86 |
412 |
33 |
0 |
0 |
0 |
| VODI |
0 |
375 |
54 |
751 |
403 |
23 |
0 |
0 |
| ODI |
0 |
10 |
18 |
323 |
1083 |
320 |
8 |
0 |
| CDI |
0 |
0 |
0 |
28 |
431 |
1327 |
747 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
1329 |
8416 |
1931 |
|
...date precedes bulletin
|
Date: 2020-09-13:
| 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 |
19704 |
5692 |
56 |
94 |
0 |
0 |
0 |
0 |
| OW |
6 |
1962 |
66 |
253 |
24 |
0 |
0 |
0 |
| VODI |
0 |
556 |
71 |
811 |
342 |
1 |
0 |
0 |
| ODI |
0 |
46 |
27 |
400 |
1133 |
88 |
0 |
0 |
| CDI |
0 |
0 |
0 |
46 |
626 |
1109 |
435 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
1063 |
9274 |
1957 |
|
...date precedes bulletin
|
Date: 2020-09-15:
| 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 |
19379 |
7301 |
69 |
198 |
0 |
0 |
0 |
0 |
| OW |
0 |
755 |
97 |
310 |
39 |
0 |
0 |
0 |
| VODI |
0 |
179 |
51 |
731 |
520 |
10 |
0 |
0 |
| ODI |
0 |
5 |
2 |
256 |
1241 |
211 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
453 |
1191 |
47 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
3104 |
9093 |
597 |
|
...date precedes bulletin
|
Date: 2020-09-17:
| 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 |
18758 |
7308 |
74 |
203 |
58 |
0 |
0 |
0 |
| OW |
0 |
555 |
78 |
508 |
385 |
0 |
0 |
0 |
| VODI |
0 |
155 |
37 |
606 |
714 |
0 |
0 |
0 |
| ODI |
0 |
20 |
8 |
212 |
1114 |
355 |
0 |
0 |
| CDI |
0 |
0 |
0 |
24 |
258 |
1285 |
136 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
4196 |
8717 |
83 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18758 |
7358 |
85 |
295 |
144 |
0 |
0 |
0 |
| OW |
0 |
509 |
63 |
414 |
312 |
0 |
0 |
0 |
| VODI |
0 |
153 |
36 |
587 |
637 |
1 |
0 |
0 |
| ODI |
0 |
18 |
13 |
222 |
1111 |
304 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
311 |
1196 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
33 |
4335 |
8747 |
83 |
|
Date: 2020-09-19:
| 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 |
18373 |
6859 |
67 |
190 |
37 |
0 |
0 |
0 |
| OW |
5 |
1585 |
74 |
336 |
65 |
5 |
0 |
0 |
| VODI |
0 |
275 |
53 |
743 |
536 |
39 |
0 |
0 |
| ODI |
0 |
42 |
14 |
314 |
1080 |
261 |
3 |
0 |
| CDI |
0 |
0 |
0 |
33 |
358 |
961 |
366 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
1652 |
9745 |
1781 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18341 |
7315 |
78 |
230 |
49 |
0 |
0 |
0 |
| OW |
37 |
1058 |
59 |
290 |
67 |
8 |
0 |
0 |
| VODI |
0 |
329 |
53 |
662 |
512 |
41 |
0 |
0 |
| ODI |
0 |
59 |
18 |
393 |
951 |
243 |
10 |
0 |
| CDI |
0 |
0 |
0 |
41 |
490 |
889 |
347 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
1737 |
9757 |
1781 |
|
Date: 2020-09-21:
| 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 |
18500 |
7364 |
72 |
320 |
91 |
27 |
0 |
0 |
| OW |
0 |
498 |
82 |
389 |
94 |
43 |
0 |
0 |
| VODI |
0 |
175 |
32 |
1057 |
368 |
44 |
0 |
0 |
| ODI |
0 |
0 |
0 |
156 |
1369 |
105 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
226 |
1336 |
84 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1548 |
9434 |
2452 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18498 |
6210 |
58 |
261 |
191 |
103 |
0 |
0 |
| OW |
2 |
1284 |
61 |
384 |
73 |
67 |
0 |
0 |
| VODI |
0 |
441 |
49 |
667 |
494 |
64 |
25 |
0 |
| ODI |
0 |
102 |
18 |
500 |
787 |
224 |
69 |
0 |
| CDI |
0 |
0 |
0 |
110 |
575 |
966 |
180 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
1679 |
9244 |
2452 |
|
Date: 2020-09-23:
| 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 |
18059 |
7056 |
102 |
542 |
161 |
0 |
0 |
0 |
| OW |
0 |
511 |
57 |
436 |
247 |
38 |
0 |
0 |
| VODI |
0 |
145 |
28 |
749 |
562 |
127 |
0 |
0 |
| ODI |
0 |
0 |
1 |
209 |
939 |
364 |
4 |
0 |
| CDI |
0 |
0 |
0 |
6 |
401 |
1103 |
383 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
2094 |
8442 |
3075 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18058 |
5696 |
59 |
256 |
126 |
5 |
0 |
0 |
| OW |
1 |
978 |
50 |
458 |
292 |
65 |
0 |
0 |
| VODI |
0 |
867 |
55 |
659 |
521 |
329 |
0 |
0 |
| ODI |
0 |
152 |
17 |
426 |
704 |
366 |
57 |
0 |
| CDI |
0 |
19 |
7 |
142 |
555 |
729 |
570 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
136 |
2232 |
8202 |
3076 |
|
Date: 2020-09-25:
| 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 |
17235 |
6343 |
87 |
346 |
338 |
202 |
46 |
0 |
| OW |
67 |
837 |
81 |
603 |
330 |
108 |
85 |
0 |
| VODI |
0 |
43 |
18 |
835 |
634 |
161 |
61 |
0 |
| ODI |
0 |
0 |
4 |
211 |
961 |
367 |
82 |
0 |
| CDI |
0 |
0 |
0 |
2 |
338 |
1074 |
493 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
1724 |
10419 |
1725 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17300 |
5979 |
74 |
280 |
95 |
3 |
4 |
0 |
| OW |
2 |
508 |
40 |
222 |
178 |
66 |
53 |
0 |
| VODI |
0 |
462 |
45 |
715 |
848 |
557 |
228 |
0 |
| ODI |
0 |
237 |
19 |
500 |
739 |
279 |
238 |
0 |
| CDI |
0 |
37 |
11 |
242 |
604 |
557 |
552 |
0 |
| VCDI |
0 |
0 |
1 |
38 |
143 |
2174 |
10111 |
1725 |
|
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