Validation of sea ice concentration - Full domain
Bulletin date: 2023-08-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-04:
| 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 |
102269 |
24819 |
1161 |
1148 |
156 |
1 |
0 |
0 |
| OW |
0 |
1230 |
952 |
2148 |
314 |
23 |
1 |
0 |
| VODI |
0 |
248 |
476 |
5637 |
2875 |
87 |
2 |
0 |
| ODI |
0 |
18 |
36 |
1042 |
9147 |
1779 |
14 |
0 |
| CDI |
0 |
11 |
11 |
67 |
2939 |
14466 |
2081 |
0 |
| VCDI |
0 |
3 |
1 |
4 |
30 |
4083 |
6694 |
1075 |
|
...date precedes bulletin
|
Date: 2023-08-06:
| 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 |
106396 |
21748 |
1068 |
1266 |
117 |
6 |
0 |
0 |
| OW |
0 |
1745 |
933 |
2151 |
335 |
38 |
0 |
0 |
| VODI |
0 |
374 |
520 |
5297 |
2903 |
99 |
1 |
0 |
| ODI |
0 |
23 |
56 |
1226 |
7717 |
2175 |
8 |
0 |
| CDI |
0 |
13 |
15 |
118 |
4954 |
13441 |
1650 |
0 |
| VCDI |
0 |
5 |
2 |
7 |
126 |
5550 |
4965 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-08:
| 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 |
106611 |
23468 |
1272 |
1362 |
89 |
0 |
0 |
0 |
| OW |
0 |
939 |
748 |
1517 |
179 |
19 |
0 |
0 |
| VODI |
0 |
217 |
537 |
5451 |
2019 |
66 |
1 |
0 |
| ODI |
0 |
4 |
19 |
1233 |
9785 |
1646 |
5 |
0 |
| CDI |
0 |
6 |
10 |
62 |
4934 |
13212 |
1338 |
0 |
| VCDI |
0 |
1 |
5 |
5 |
28 |
2106 |
6253 |
1901 |
|
...date precedes bulletin
|
Date: 2023-08-10:
| 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 |
108282 |
22894 |
1256 |
1263 |
94 |
3 |
0 |
0 |
| OW |
0 |
1152 |
785 |
1731 |
306 |
10 |
0 |
0 |
| VODI |
0 |
284 |
577 |
5273 |
1877 |
100 |
0 |
0 |
| ODI |
0 |
14 |
9 |
1467 |
7602 |
3494 |
86 |
0 |
| CDI |
0 |
3 |
7 |
58 |
4525 |
12807 |
1549 |
0 |
| VCDI |
0 |
5 |
1 |
4 |
53 |
2125 |
7067 |
285 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108282 |
23090 |
1302 |
1407 |
99 |
0 |
0 |
0 |
| OW |
0 |
965 |
775 |
1682 |
316 |
12 |
0 |
0 |
| VODI |
0 |
268 |
531 |
4876 |
1795 |
107 |
0 |
0 |
| ODI |
0 |
21 |
21 |
1762 |
7496 |
3279 |
104 |
0 |
| CDI |
0 |
3 |
5 |
65 |
4646 |
13038 |
1523 |
0 |
| VCDI |
0 |
5 |
1 |
4 |
105 |
2103 |
7075 |
285 |
|
Date: 2023-08-12:
| 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 |
110628 |
21613 |
1064 |
1170 |
84 |
3 |
0 |
0 |
| OW |
0 |
1489 |
877 |
1988 |
286 |
26 |
0 |
0 |
| VODI |
0 |
525 |
710 |
4587 |
1720 |
150 |
8 |
0 |
| ODI |
0 |
7 |
51 |
2302 |
6950 |
3134 |
178 |
0 |
| CDI |
0 |
16 |
16 |
99 |
4494 |
12460 |
1147 |
1 |
| VCDI |
0 |
5 |
0 |
2 |
27 |
2203 |
6916 |
112 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
110628 |
21890 |
1157 |
1328 |
94 |
7 |
0 |
0 |
| OW |
0 |
1178 |
787 |
1930 |
289 |
17 |
0 |
0 |
| VODI |
0 |
556 |
697 |
4268 |
1714 |
153 |
6 |
0 |
| ODI |
0 |
12 |
61 |
2498 |
6764 |
3046 |
164 |
0 |
| CDI |
0 |
14 |
16 |
122 |
4677 |
12529 |
1121 |
1 |
| VCDI |
0 |
5 |
0 |
2 |
23 |
2224 |
6958 |
112 |
|
Date: 2023-08-14:
| 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 |
111343 |
23644 |
1143 |
780 |
35 |
0 |
0 |
0 |
| OW |
0 |
1084 |
1003 |
1353 |
105 |
0 |
0 |
0 |
| VODI |
0 |
270 |
715 |
5616 |
1331 |
37 |
0 |
0 |
| ODI |
0 |
20 |
33 |
1435 |
9276 |
836 |
1 |
0 |
| CDI |
0 |
1 |
5 |
52 |
3240 |
12790 |
230 |
1 |
| VCDI |
0 |
4 |
2 |
0 |
15 |
2509 |
7572 |
567 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111343 |
22257 |
1068 |
1087 |
79 |
0 |
0 |
0 |
| OW |
0 |
1742 |
875 |
1768 |
296 |
15 |
0 |
0 |
| VODI |
0 |
947 |
781 |
3489 |
1647 |
187 |
3 |
0 |
| ODI |
0 |
59 |
158 |
2714 |
6617 |
2775 |
58 |
0 |
| CDI |
0 |
14 |
12 |
169 |
5340 |
11128 |
841 |
3 |
| VCDI |
0 |
4 |
7 |
9 |
23 |
2067 |
6901 |
565 |
|
Date: 2023-08-16:
| 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 |
112243 |
23829 |
1288 |
1071 |
88 |
0 |
0 |
0 |
| OW |
0 |
1110 |
838 |
1833 |
205 |
1 |
0 |
0 |
| VODI |
0 |
436 |
584 |
4703 |
1353 |
47 |
0 |
0 |
| ODI |
0 |
25 |
39 |
1785 |
7922 |
1136 |
0 |
0 |
| CDI |
0 |
2 |
4 |
88 |
4474 |
11217 |
497 |
6 |
| VCDI |
0 |
4 |
2 |
13 |
40 |
1799 |
7423 |
943 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
112239 |
22003 |
1015 |
1201 |
122 |
7 |
0 |
0 |
| OW |
4 |
2121 |
870 |
1665 |
274 |
49 |
0 |
0 |
| VODI |
0 |
1150 |
656 |
3417 |
1474 |
220 |
4 |
0 |
| ODI |
0 |
111 |
194 |
2981 |
5961 |
2707 |
33 |
0 |
| CDI |
0 |
17 |
20 |
228 |
6205 |
9791 |
912 |
9 |
| VCDI |
0 |
4 |
0 |
1 |
46 |
1426 |
6971 |
940 |
|
Date: 2023-08-18:
| 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 |
111675 |
24974 |
1228 |
1140 |
95 |
0 |
0 |
0 |
| OW |
4 |
1471 |
822 |
1667 |
216 |
7 |
0 |
0 |
| VODI |
0 |
595 |
707 |
4556 |
1044 |
58 |
0 |
0 |
| ODI |
0 |
27 |
42 |
1828 |
7424 |
1189 |
16 |
0 |
| CDI |
0 |
1 |
7 |
118 |
5464 |
10187 |
789 |
5 |
| VCDI |
0 |
4 |
0 |
0 |
12 |
2950 |
6119 |
607 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111664 |
23133 |
1089 |
1369 |
160 |
1 |
0 |
0 |
| OW |
15 |
2290 |
762 |
1424 |
364 |
27 |
1 |
0 |
| VODI |
0 |
1477 |
671 |
3196 |
1226 |
306 |
54 |
0 |
| ODI |
0 |
147 |
261 |
3142 |
5340 |
2615 |
154 |
0 |
| CDI |
0 |
21 |
23 |
177 |
7149 |
8908 |
1233 |
5 |
| VCDI |
0 |
4 |
0 |
1 |
16 |
2534 |
5482 |
607 |
|
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