Validation of sea ice concentration - American sector
Bulletin date: 2020-09-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-09-18:
| 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 |
19082 |
6684 |
66 |
197 |
12 |
0 |
0 |
0 |
| OW |
5 |
817 |
84 |
615 |
252 |
0 |
0 |
0 |
| VODI |
0 |
182 |
40 |
647 |
685 |
1 |
0 |
0 |
| ODI |
0 |
37 |
19 |
191 |
1102 |
329 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
219 |
969 |
526 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
2143 |
10818 |
95 |
|
...date precedes bulletin
|
Date: 2020-09-20:
| 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 |
18208 |
6267 |
55 |
270 |
128 |
1 |
0 |
0 |
| OW |
41 |
1942 |
68 |
312 |
72 |
44 |
0 |
0 |
| VODI |
0 |
340 |
59 |
801 |
485 |
59 |
8 |
0 |
| ODI |
0 |
34 |
13 |
411 |
1100 |
141 |
31 |
0 |
| CDI |
0 |
0 |
0 |
43 |
491 |
1012 |
189 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1671 |
9166 |
2403 |
|
...date precedes bulletin
|
Date: 2020-09-22:
| 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 |
18268 |
7432 |
94 |
457 |
119 |
0 |
0 |
0 |
| OW |
0 |
385 |
58 |
411 |
171 |
19 |
0 |
0 |
| VODI |
0 |
139 |
26 |
881 |
533 |
42 |
0 |
0 |
| ODI |
0 |
0 |
0 |
198 |
1009 |
303 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
349 |
1108 |
350 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
1796 |
9053 |
2631 |
|
...date precedes bulletin
|
Date: 2020-09-24:
| 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 |
17555 |
6765 |
83 |
535 |
266 |
36 |
0 |
0 |
| OW |
17 |
670 |
71 |
471 |
343 |
114 |
0 |
0 |
| VODI |
0 |
98 |
23 |
697 |
671 |
214 |
0 |
0 |
| ODI |
0 |
0 |
2 |
135 |
972 |
424 |
24 |
0 |
| CDI |
0 |
0 |
0 |
7 |
323 |
1124 |
479 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
1718 |
10232 |
1789 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17572 |
7025 |
110 |
682 |
428 |
59 |
0 |
0 |
| OW |
0 |
388 |
46 |
357 |
219 |
150 |
0 |
0 |
| VODI |
0 |
119 |
21 |
648 |
541 |
206 |
2 |
0 |
| ODI |
0 |
1 |
2 |
142 |
987 |
375 |
40 |
0 |
| CDI |
0 |
0 |
0 |
16 |
385 |
1033 |
385 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
1807 |
10308 |
1789 |
|
Date: 2020-09-26:
| 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 |
17246 |
6062 |
73 |
311 |
260 |
144 |
25 |
0 |
| OW |
97 |
1116 |
60 |
500 |
221 |
273 |
109 |
0 |
| VODI |
0 |
52 |
30 |
611 |
821 |
272 |
63 |
0 |
| ODI |
0 |
0 |
2 |
207 |
888 |
482 |
107 |
0 |
| CDI |
0 |
0 |
0 |
7 |
379 |
792 |
662 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2202 |
10211 |
1579 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17009 |
6748 |
90 |
458 |
291 |
193 |
102 |
0 |
| OW |
334 |
440 |
47 |
391 |
258 |
257 |
45 |
0 |
| VODI |
0 |
40 |
26 |
601 |
747 |
247 |
52 |
0 |
| ODI |
0 |
2 |
2 |
170 |
842 |
459 |
116 |
0 |
| CDI |
0 |
0 |
0 |
16 |
429 |
736 |
601 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
2273 |
10261 |
1579 |
|
Date: 2020-09-28:
| 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 |
16796 |
7645 |
85 |
293 |
18 |
0 |
0 |
0 |
| OW |
0 |
399 |
68 |
438 |
108 |
0 |
0 |
0 |
| VODI |
0 |
22 |
28 |
753 |
544 |
13 |
0 |
0 |
| ODI |
0 |
0 |
0 |
147 |
1469 |
238 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
281 |
1730 |
372 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2186 |
11887 |
346 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16531 |
7082 |
91 |
409 |
169 |
59 |
3 |
0 |
| OW |
243 |
842 |
51 |
409 |
334 |
153 |
51 |
0 |
| VODI |
22 |
130 |
32 |
538 |
609 |
430 |
89 |
0 |
| ODI |
0 |
12 |
7 |
202 |
706 |
529 |
222 |
0 |
| CDI |
0 |
0 |
0 |
73 |
557 |
627 |
544 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
45 |
2369 |
11350 |
346 |
|
Date: 2020-09-30:
| 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 |
16745 |
7664 |
93 |
295 |
71 |
0 |
0 |
0 |
| OW |
0 |
385 |
67 |
454 |
207 |
23 |
0 |
0 |
| VODI |
0 |
31 |
17 |
462 |
757 |
132 |
2 |
0 |
| ODI |
0 |
0 |
0 |
105 |
1068 |
500 |
87 |
0 |
| CDI |
0 |
0 |
0 |
1 |
365 |
1309 |
720 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
3907 |
9978 |
410 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16601 |
7062 |
90 |
291 |
100 |
13 |
49 |
0 |
| OW |
144 |
836 |
51 |
461 |
339 |
108 |
195 |
0 |
| VODI |
0 |
168 |
29 |
354 |
763 |
357 |
256 |
0 |
| ODI |
0 |
14 |
7 |
149 |
741 |
539 |
251 |
0 |
| CDI |
0 |
0 |
0 |
62 |
522 |
1002 |
308 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
3852 |
9728 |
410 |
|
Date: 2020-10-02:
| 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 |
16932 |
6960 |
81 |
387 |
235 |
5 |
0 |
0 |
| OW |
0 |
635 |
58 |
328 |
366 |
68 |
0 |
0 |
| VODI |
0 |
150 |
30 |
539 |
543 |
236 |
23 |
0 |
| ODI |
0 |
3 |
3 |
152 |
879 |
415 |
264 |
0 |
| CDI |
0 |
0 |
0 |
2 |
366 |
989 |
1085 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
74 |
3390 |
8941 |
1727 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16885 |
6512 |
84 |
328 |
89 |
18 |
9 |
0 |
| OW |
47 |
956 |
47 |
460 |
500 |
160 |
141 |
0 |
| VODI |
0 |
230 |
30 |
376 |
599 |
377 |
468 |
0 |
| ODI |
0 |
50 |
10 |
206 |
644 |
315 |
448 |
0 |
| CDI |
0 |
0 |
1 |
38 |
553 |
746 |
570 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
78 |
3487 |
8677 |
1727 |
|
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