Validation of sea ice concentration - American sector
Bulletin date: 2022-08-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-05:
| 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 |
5908 |
10003 |
1749 |
820 |
42 |
0 |
0 |
0 |
| OW |
0 |
125 |
190 |
851 |
120 |
5 |
0 |
0 |
| VODI |
0 |
54 |
139 |
1252 |
538 |
79 |
0 |
0 |
| ODI |
0 |
38 |
26 |
563 |
2293 |
259 |
1 |
0 |
| CDI |
0 |
57 |
11 |
183 |
3530 |
6077 |
241 |
0 |
| VCDI |
0 |
7 |
0 |
2 |
22 |
4073 |
5467 |
1141 |
|
...date precedes bulletin
|
Date: 2022-08-07:
| 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 |
5896 |
10502 |
1436 |
857 |
56 |
0 |
0 |
0 |
| OW |
4 |
104 |
311 |
806 |
182 |
7 |
0 |
0 |
| VODI |
0 |
51 |
173 |
1113 |
651 |
61 |
0 |
0 |
| ODI |
0 |
60 |
78 |
633 |
2459 |
94 |
2 |
0 |
| CDI |
0 |
24 |
17 |
441 |
4552 |
4962 |
323 |
0 |
| VCDI |
0 |
7 |
1 |
2 |
34 |
3102 |
6450 |
415 |
|
...date precedes bulletin
|
Date: 2022-08-09:
| 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 |
4160 |
11634 |
2208 |
1167 |
104 |
0 |
0 |
0 |
| OW |
0 |
74 |
339 |
713 |
119 |
11 |
0 |
0 |
| VODI |
0 |
17 |
202 |
1176 |
675 |
62 |
0 |
0 |
| ODI |
0 |
1 |
20 |
909 |
3948 |
480 |
2 |
0 |
| CDI |
0 |
1 |
0 |
135 |
2936 |
4419 |
810 |
0 |
| VCDI |
0 |
7 |
1 |
2 |
9 |
1241 |
7333 |
951 |
|
...date precedes bulletin
|
Date: 2022-08-11:
| 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 |
7561 |
9669 |
1398 |
838 |
52 |
0 |
0 |
0 |
| OW |
0 |
103 |
384 |
721 |
132 |
7 |
0 |
0 |
| VODI |
0 |
27 |
179 |
1434 |
559 |
39 |
0 |
0 |
| ODI |
0 |
9 |
21 |
1325 |
3604 |
151 |
0 |
0 |
| CDI |
0 |
3 |
0 |
141 |
2490 |
5236 |
715 |
0 |
| VCDI |
0 |
6 |
0 |
3 |
16 |
1226 |
6860 |
957 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7561 |
9697 |
1463 |
940 |
86 |
0 |
0 |
0 |
| OW |
0 |
79 |
291 |
656 |
123 |
11 |
0 |
0 |
| VODI |
0 |
26 |
208 |
1346 |
592 |
30 |
0 |
0 |
| ODI |
0 |
4 |
20 |
1376 |
3500 |
148 |
0 |
0 |
| CDI |
0 |
5 |
0 |
143 |
2537 |
5338 |
764 |
0 |
| VCDI |
0 |
6 |
0 |
1 |
15 |
1132 |
6811 |
957 |
|
Date: 2022-08-13:
| 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 |
9197 |
8583 |
1308 |
631 |
59 |
5 |
0 |
0 |
| OW |
2 |
243 |
383 |
651 |
100 |
17 |
0 |
0 |
| VODI |
1 |
98 |
195 |
1607 |
418 |
31 |
7 |
0 |
| ODI |
0 |
7 |
31 |
1752 |
2648 |
192 |
9 |
0 |
| CDI |
0 |
2 |
1 |
252 |
2641 |
5454 |
950 |
0 |
| VCDI |
0 |
6 |
2 |
1 |
79 |
1390 |
6272 |
641 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9198 |
8638 |
1382 |
773 |
86 |
10 |
0 |
0 |
| OW |
2 |
174 |
324 |
598 |
63 |
11 |
0 |
0 |
| VODI |
0 |
113 |
191 |
1504 |
482 |
24 |
7 |
0 |
| ODI |
0 |
6 |
20 |
1721 |
2562 |
240 |
9 |
0 |
| CDI |
0 |
2 |
1 |
297 |
2674 |
5572 |
1010 |
0 |
| VCDI |
0 |
6 |
2 |
1 |
78 |
1232 |
6212 |
641 |
|
Date: 2022-08-15:
| 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 |
10615 |
7225 |
1306 |
688 |
64 |
0 |
0 |
0 |
| OW |
1 |
271 |
471 |
547 |
63 |
13 |
0 |
0 |
| VODI |
0 |
99 |
169 |
2077 |
644 |
34 |
5 |
0 |
| ODI |
0 |
4 |
1 |
888 |
3734 |
568 |
2 |
0 |
| CDI |
0 |
4 |
0 |
6 |
1358 |
5355 |
1087 |
0 |
| VCDI |
0 |
4 |
0 |
2 |
45 |
2262 |
6171 |
83 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10615 |
7271 |
1350 |
806 |
104 |
17 |
1 |
0 |
| OW |
1 |
161 |
334 |
534 |
115 |
13 |
3 |
0 |
| VODI |
0 |
157 |
228 |
1346 |
722 |
64 |
2 |
0 |
| ODI |
0 |
10 |
35 |
1288 |
2471 |
489 |
4 |
0 |
| CDI |
0 |
3 |
0 |
232 |
2441 |
5488 |
1793 |
0 |
| VCDI |
0 |
5 |
0 |
2 |
55 |
2161 |
5462 |
83 |
|
Date: 2022-08-17:
| 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 |
4032 |
11628 |
3647 |
750 |
61 |
1 |
0 |
0 |
| OW |
1 |
201 |
521 |
628 |
99 |
14 |
0 |
0 |
| VODI |
0 |
52 |
140 |
2135 |
697 |
46 |
0 |
0 |
| ODI |
0 |
1 |
2 |
812 |
3162 |
876 |
5 |
0 |
| CDI |
0 |
3 |
2 |
10 |
1454 |
4439 |
2093 |
0 |
| VCDI |
0 |
4 |
0 |
1 |
11 |
1663 |
6622 |
53 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4032 |
11612 |
3630 |
852 |
109 |
14 |
0 |
0 |
| OW |
1 |
166 |
359 |
575 |
100 |
19 |
0 |
0 |
| VODI |
0 |
98 |
295 |
1495 |
818 |
57 |
0 |
0 |
| ODI |
0 |
6 |
26 |
1241 |
2139 |
480 |
2 |
0 |
| CDI |
0 |
2 |
2 |
172 |
2290 |
5008 |
2757 |
0 |
| VCDI |
0 |
5 |
0 |
1 |
28 |
1461 |
5961 |
53 |
|
Date: 2022-08-19:
| 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 |
6476 |
11363 |
1719 |
552 |
73 |
0 |
0 |
0 |
| OW |
0 |
234 |
539 |
692 |
97 |
16 |
0 |
0 |
| VODI |
0 |
64 |
161 |
2422 |
574 |
48 |
0 |
0 |
| ODI |
0 |
11 |
20 |
1006 |
2428 |
972 |
15 |
0 |
| CDI |
0 |
4 |
2 |
20 |
1943 |
4078 |
1970 |
106 |
| VCDI |
0 |
2 |
0 |
3 |
26 |
710 |
5028 |
2492 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6476 |
11325 |
1710 |
698 |
93 |
12 |
0 |
0 |
| OW |
0 |
179 |
360 |
619 |
81 |
9 |
0 |
0 |
| VODI |
0 |
153 |
299 |
1570 |
843 |
88 |
1 |
0 |
| ODI |
0 |
15 |
71 |
1504 |
1308 |
715 |
52 |
0 |
| CDI |
0 |
4 |
1 |
301 |
2782 |
4565 |
2526 |
302 |
| VCDI |
0 |
2 |
0 |
3 |
34 |
435 |
4434 |
2296 |
|
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