Validation of sea ice concentration - American sector
Bulletin date: 2020-09-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2020-08-30:
| 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 |
19172 |
6686 |
70 |
200 |
0 |
0 |
0 |
0 |
| OW |
0 |
1213 |
94 |
659 |
70 |
0 |
0 |
0 |
| VODI |
0 |
176 |
59 |
1030 |
851 |
49 |
0 |
0 |
| ODI |
0 |
4 |
1 |
304 |
1496 |
527 |
13 |
0 |
| CDI |
0 |
0 |
1 |
38 |
864 |
4939 |
718 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
5 |
2849 |
3713 |
62 |
|
...date precedes bulletin
|
Date: 2020-09-01:
| 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 |
20441 |
6125 |
46 |
126 |
10 |
0 |
0 |
0 |
| OW |
0 |
915 |
90 |
460 |
22 |
0 |
0 |
0 |
| VODI |
0 |
189 |
75 |
1251 |
266 |
0 |
0 |
0 |
| ODI |
0 |
1 |
0 |
304 |
2016 |
162 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
589 |
3308 |
594 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
883 |
6839 |
1119 |
|
...date precedes bulletin
|
Date: 2020-09-03:
| 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 |
19971 |
6619 |
44 |
144 |
6 |
0 |
0 |
0 |
| OW |
0 |
1060 |
77 |
416 |
41 |
0 |
0 |
0 |
| VODI |
0 |
226 |
69 |
1057 |
337 |
0 |
0 |
0 |
| ODI |
0 |
1 |
2 |
395 |
1651 |
160 |
0 |
0 |
| CDI |
0 |
0 |
0 |
51 |
833 |
3185 |
400 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
922 |
6221 |
1978 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19964 |
6619 |
45 |
156 |
10 |
0 |
0 |
0 |
| OW |
7 |
1054 |
83 |
386 |
25 |
0 |
0 |
0 |
| VODI |
0 |
232 |
60 |
1061 |
374 |
0 |
0 |
0 |
| ODI |
0 |
1 |
4 |
408 |
1549 |
194 |
0 |
0 |
| CDI |
0 |
0 |
0 |
52 |
907 |
3096 |
362 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
977 |
6259 |
1978 |
|
Date: 2020-09-05:
| 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 |
20036 |
6462 |
38 |
133 |
5 |
0 |
0 |
0 |
| OW |
0 |
1019 |
66 |
480 |
205 |
0 |
0 |
0 |
| VODI |
0 |
226 |
71 |
677 |
609 |
16 |
0 |
0 |
| ODI |
0 |
18 |
16 |
256 |
1156 |
569 |
2 |
0 |
| CDI |
0 |
1 |
0 |
58 |
483 |
2548 |
1102 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
51 |
1217 |
6430 |
1915 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20036 |
6563 |
45 |
197 |
36 |
0 |
0 |
0 |
| OW |
0 |
910 |
68 |
420 |
190 |
0 |
0 |
0 |
| VODI |
0 |
221 |
64 |
659 |
612 |
31 |
0 |
0 |
| ODI |
0 |
29 |
14 |
275 |
1071 |
593 |
2 |
0 |
| CDI |
0 |
3 |
0 |
54 |
554 |
2472 |
1181 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
1254 |
6351 |
1915 |
|
Date: 2020-09-07:
| 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 |
20364 |
6521 |
47 |
46 |
7 |
0 |
0 |
0 |
| OW |
0 |
922 |
87 |
440 |
18 |
0 |
0 |
0 |
| VODI |
0 |
126 |
63 |
1116 |
270 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
163 |
1991 |
60 |
0 |
0 |
| CDI |
0 |
0 |
0 |
15 |
502 |
2870 |
227 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
2075 |
7318 |
581 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20364 |
6306 |
46 |
185 |
21 |
0 |
0 |
0 |
| OW |
0 |
946 |
74 |
475 |
56 |
0 |
0 |
0 |
| VODI |
0 |
298 |
66 |
644 |
546 |
10 |
0 |
0 |
| ODI |
0 |
19 |
11 |
382 |
1303 |
141 |
0 |
0 |
| CDI |
0 |
0 |
0 |
91 |
794 |
2130 |
536 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
105 |
2724 |
7009 |
581 |
|
Date: 2020-09-09:
| 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 |
19420 |
7351 |
49 |
97 |
1 |
0 |
0 |
0 |
| OW |
0 |
1001 |
76 |
429 |
59 |
0 |
0 |
0 |
| VODI |
0 |
216 |
62 |
723 |
499 |
27 |
0 |
0 |
| ODI |
0 |
1 |
1 |
214 |
1158 |
503 |
51 |
0 |
| CDI |
0 |
0 |
0 |
6 |
368 |
1307 |
1271 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
3201 |
7132 |
638 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19420 |
6915 |
57 |
168 |
26 |
0 |
0 |
0 |
| OW |
0 |
1233 |
63 |
387 |
84 |
0 |
0 |
0 |
| VODI |
0 |
336 |
44 |
554 |
623 |
43 |
0 |
0 |
| ODI |
0 |
85 |
24 |
263 |
908 |
475 |
104 |
0 |
| CDI |
0 |
0 |
0 |
97 |
354 |
1001 |
997 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
95 |
3519 |
7353 |
638 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19445 |
6587 |
66 |
194 |
1 |
0 |
0 |
0 |
| OW |
0 |
1364 |
56 |
332 |
56 |
0 |
0 |
0 |
| VODI |
0 |
450 |
60 |
624 |
545 |
10 |
0 |
0 |
| ODI |
0 |
133 |
22 |
312 |
937 |
315 |
3 |
0 |
| CDI |
0 |
10 |
5 |
140 |
347 |
1062 |
669 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
79 |
1612 |
8499 |
1931 |
|
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