Validation of sea ice concentration - American sector
Bulletin date: 2020-08-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-08-14:
| 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 |
14579 |
5477 |
79 |
345 |
9 |
0 |
0 |
0 |
| OW |
0 |
939 |
79 |
1065 |
13 |
0 |
0 |
0 |
| VODI |
0 |
221 |
64 |
3380 |
1168 |
7 |
0 |
0 |
| ODI |
0 |
5 |
1 |
715 |
4135 |
371 |
0 |
0 |
| CDI |
0 |
0 |
0 |
15 |
926 |
5972 |
1868 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
6 |
926 |
3041 |
453 |
|
...date precedes bulletin
|
Date: 2020-08-16:
| 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 |
15221 |
5366 |
66 |
192 |
18 |
0 |
0 |
0 |
| OW |
0 |
2165 |
83 |
472 |
6 |
0 |
0 |
0 |
| VODI |
0 |
815 |
100 |
2822 |
1028 |
13 |
0 |
0 |
| ODI |
0 |
0 |
2 |
648 |
3580 |
222 |
3 |
0 |
| CDI |
0 |
0 |
0 |
30 |
904 |
6102 |
1764 |
53 |
| VCDI |
0 |
0 |
0 |
4 |
1 |
379 |
3253 |
554 |
|
...date precedes bulletin
|
Date: 2020-08-18:
| 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 |
15879 |
6210 |
72 |
213 |
0 |
0 |
0 |
0 |
| OW |
10 |
1703 |
50 |
256 |
1 |
0 |
0 |
0 |
| VODI |
0 |
776 |
79 |
3114 |
644 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
261 |
3695 |
113 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
748 |
5097 |
629 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
973 |
4692 |
622 |
|
...date precedes bulletin
|
Date: 2020-08-20:
| 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 |
17592 |
5087 |
54 |
161 |
0 |
0 |
0 |
0 |
| OW |
167 |
1733 |
62 |
258 |
13 |
0 |
0 |
0 |
| VODI |
0 |
733 |
76 |
2706 |
1016 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
247 |
2739 |
394 |
0 |
0 |
| CDI |
0 |
0 |
0 |
31 |
743 |
4445 |
1486 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
1098 |
4807 |
185 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17656 |
5549 |
65 |
185 |
1 |
0 |
0 |
0 |
| OW |
103 |
1384 |
56 |
356 |
18 |
0 |
0 |
0 |
| VODI |
0 |
620 |
71 |
2429 |
1104 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
402 |
2677 |
461 |
0 |
0 |
| CDI |
0 |
0 |
0 |
31 |
723 |
4329 |
1376 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
1151 |
4917 |
185 |
|
Date: 2020-08-22:
| 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 |
18089 |
5031 |
49 |
104 |
0 |
0 |
0 |
0 |
| OW |
224 |
1921 |
59 |
289 |
16 |
0 |
0 |
0 |
| VODI |
0 |
685 |
83 |
2464 |
1119 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
313 |
2226 |
300 |
0 |
0 |
| CDI |
0 |
0 |
0 |
41 |
975 |
5019 |
1067 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3542 |
2232 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18203 |
5561 |
53 |
136 |
1 |
0 |
0 |
0 |
| OW |
110 |
1454 |
64 |
500 |
31 |
0 |
0 |
0 |
| VODI |
0 |
622 |
74 |
2126 |
1027 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
402 |
2345 |
386 |
0 |
0 |
| CDI |
0 |
0 |
0 |
47 |
932 |
4657 |
1067 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3827 |
2232 |
0 |
|
Date: 2020-08-24:
| 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 |
19327 |
5762 |
38 |
83 |
4 |
0 |
0 |
0 |
| OW |
36 |
1444 |
109 |
375 |
11 |
0 |
0 |
0 |
| VODI |
0 |
175 |
63 |
2202 |
311 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
165 |
2987 |
132 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
506 |
5342 |
568 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1826 |
4381 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19105 |
5140 |
32 |
98 |
18 |
0 |
0 |
0 |
| OW |
252 |
1552 |
85 |
523 |
32 |
0 |
0 |
0 |
| VODI |
6 |
688 |
92 |
1816 |
981 |
71 |
0 |
0 |
| ODI |
0 |
1 |
1 |
362 |
2099 |
284 |
0 |
0 |
| CDI |
0 |
0 |
0 |
42 |
680 |
4682 |
847 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
10 |
2264 |
4102 |
0 |
|
Date: 2020-08-26:
| 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 |
19032 |
6504 |
80 |
151 |
6 |
0 |
0 |
0 |
| OW |
5 |
1101 |
86 |
667 |
57 |
0 |
0 |
0 |
| VODI |
0 |
120 |
47 |
1352 |
961 |
0 |
0 |
0 |
| ODI |
0 |
1 |
1 |
269 |
2551 |
140 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
431 |
3736 |
2245 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1745 |
3752 |
813 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18716 |
5529 |
57 |
170 |
2 |
0 |
0 |
0 |
| OW |
225 |
1618 |
71 |
642 |
172 |
0 |
0 |
0 |
| VODI |
96 |
549 |
73 |
1237 |
1581 |
19 |
0 |
0 |
| ODI |
0 |
28 |
12 |
343 |
1747 |
282 |
3 |
0 |
| CDI |
0 |
2 |
1 |
58 |
498 |
3221 |
2606 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
6 |
2099 |
3388 |
813 |
|
Date: 2020-08-28:
| 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 |
18813 |
6874 |
71 |
255 |
7 |
0 |
0 |
0 |
| OW |
2 |
1072 |
104 |
639 |
178 |
0 |
0 |
0 |
| VODI |
0 |
67 |
37 |
1119 |
879 |
163 |
0 |
0 |
| ODI |
0 |
0 |
2 |
210 |
1216 |
1146 |
1 |
0 |
| CDI |
0 |
0 |
0 |
18 |
591 |
3633 |
2082 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
5158 |
1520 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18529 |
5761 |
57 |
160 |
6 |
0 |
0 |
0 |
| OW |
205 |
1730 |
75 |
651 |
165 |
45 |
0 |
0 |
| VODI |
81 |
488 |
65 |
1135 |
1332 |
426 |
0 |
0 |
| ODI |
0 |
32 |
13 |
232 |
825 |
1092 |
27 |
0 |
| CDI |
0 |
2 |
4 |
57 |
470 |
3442 |
2327 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
82 |
5095 |
1249 |
0 |
|
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