Validation of sea ice concentration - Full domain
Bulletin date: 2024-07-25
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-19:
| 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 |
83953 |
19992 |
258 |
122 |
2 |
0 |
0 |
0 |
| OW |
1749 |
5919 |
918 |
835 |
108 |
8 |
0 |
0 |
| VODI |
2462 |
1591 |
1155 |
4780 |
2814 |
150 |
0 |
0 |
| ODI |
1 |
95 |
126 |
1885 |
8354 |
2853 |
3 |
0 |
| CDI |
4 |
162 |
33 |
166 |
9937 |
27113 |
379 |
0 |
| VCDI |
0 |
7 |
8 |
43 |
801 |
1851 |
173 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-21:
| 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 |
85909 |
19096 |
163 |
71 |
4 |
0 |
0 |
0 |
| OW |
1847 |
5807 |
914 |
962 |
152 |
7 |
0 |
0 |
| VODI |
2417 |
1815 |
1090 |
5312 |
2469 |
97 |
2 |
0 |
| ODI |
1 |
208 |
171 |
1620 |
7342 |
3867 |
18 |
0 |
| CDI |
3 |
171 |
32 |
311 |
9762 |
24824 |
435 |
0 |
| VCDI |
0 |
44 |
13 |
50 |
869 |
2876 |
59 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-23:
| 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 |
87379 |
21002 |
235 |
144 |
11 |
0 |
0 |
0 |
| OW |
1807 |
4760 |
1187 |
1025 |
71 |
5 |
0 |
0 |
| VODI |
2324 |
725 |
1102 |
5520 |
2187 |
63 |
0 |
0 |
| ODI |
0 |
81 |
29 |
1289 |
12448 |
2467 |
2 |
0 |
| CDI |
0 |
138 |
15 |
53 |
5954 |
22974 |
2005 |
0 |
| VCDI |
0 |
2 |
2 |
25 |
636 |
1450 |
1693 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-25:
| 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 |
89313 |
20001 |
200 |
115 |
8 |
0 |
0 |
0 |
| OW |
2180 |
4631 |
1122 |
898 |
92 |
17 |
0 |
0 |
| VODI |
2290 |
1131 |
1251 |
5775 |
1692 |
61 |
0 |
0 |
| ODI |
0 |
104 |
75 |
1604 |
11596 |
3098 |
14 |
0 |
| CDI |
0 |
124 |
10 |
82 |
4660 |
21878 |
2293 |
0 |
| VCDI |
0 |
9 |
5 |
74 |
745 |
2365 |
1297 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89431 |
20044 |
239 |
128 |
5 |
0 |
0 |
0 |
| OW |
2040 |
4534 |
1124 |
1031 |
84 |
12 |
0 |
0 |
| VODI |
2312 |
1165 |
1214 |
5448 |
1689 |
93 |
0 |
0 |
| ODI |
0 |
98 |
70 |
1783 |
11710 |
3345 |
22 |
0 |
| CDI |
0 |
152 |
11 |
83 |
4553 |
20873 |
2195 |
0 |
| VCDI |
0 |
7 |
5 |
75 |
752 |
3096 |
1387 |
0 |
|
Date: 2024-07-27:
| 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 |
90963 |
19190 |
157 |
125 |
14 |
0 |
0 |
0 |
| OW |
2213 |
5200 |
1040 |
1063 |
155 |
14 |
0 |
0 |
| VODI |
2103 |
1274 |
1180 |
5036 |
2057 |
201 |
4 |
0 |
| ODI |
4 |
132 |
124 |
1883 |
9668 |
3848 |
79 |
0 |
| CDI |
0 |
123 |
34 |
107 |
5479 |
21715 |
2664 |
0 |
| VCDI |
0 |
19 |
17 |
123 |
526 |
1150 |
1126 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90935 |
19331 |
189 |
150 |
16 |
0 |
0 |
0 |
| OW |
2080 |
5026 |
1041 |
1105 |
166 |
13 |
0 |
0 |
| VODI |
2263 |
1286 |
1157 |
4829 |
1970 |
208 |
4 |
0 |
| ODI |
5 |
129 |
117 |
2018 |
9821 |
4099 |
167 |
0 |
| CDI |
0 |
139 |
32 |
114 |
5400 |
21393 |
2649 |
0 |
| VCDI |
0 |
27 |
16 |
121 |
526 |
1215 |
1053 |
0 |
|
Date: 2024-07-29:
| 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 |
90331 |
23137 |
244 |
155 |
19 |
0 |
0 |
0 |
| OW |
2027 |
4471 |
1315 |
1149 |
109 |
0 |
0 |
0 |
| VODI |
2040 |
488 |
901 |
5514 |
1364 |
59 |
0 |
0 |
| ODI |
0 |
91 |
25 |
868 |
12073 |
2248 |
2 |
0 |
| CDI |
0 |
52 |
23 |
78 |
2102 |
23808 |
1666 |
1 |
| VCDI |
0 |
7 |
17 |
114 |
349 |
876 |
3082 |
5 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90112 |
20939 |
148 |
140 |
30 |
0 |
0 |
0 |
| OW |
2210 |
5368 |
990 |
1298 |
179 |
7 |
0 |
0 |
| VODI |
2069 |
1533 |
1175 |
4230 |
2082 |
282 |
0 |
0 |
| ODI |
7 |
197 |
155 |
1937 |
8282 |
4873 |
136 |
1 |
| CDI |
0 |
151 |
27 |
121 |
5034 |
20772 |
3840 |
5 |
| VCDI |
0 |
58 |
30 |
152 |
409 |
1057 |
774 |
0 |
|
Date: 2024-07-31:
| 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 |
94120 |
20138 |
310 |
206 |
95 |
15 |
0 |
0 |
| OW |
2029 |
4489 |
1104 |
1014 |
142 |
22 |
0 |
0 |
| VODI |
2008 |
758 |
1144 |
4989 |
1611 |
76 |
0 |
0 |
| ODI |
8 |
98 |
43 |
895 |
10477 |
2573 |
0 |
0 |
| CDI |
0 |
80 |
36 |
91 |
5193 |
20609 |
2755 |
0 |
| VCDI |
0 |
40 |
28 |
207 |
249 |
1866 |
1292 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93807 |
17740 |
204 |
173 |
84 |
5 |
0 |
0 |
| OW |
2291 |
5436 |
1031 |
1410 |
222 |
41 |
0 |
0 |
| VODI |
2037 |
1894 |
1081 |
3589 |
2396 |
259 |
0 |
0 |
| ODI |
22 |
262 |
262 |
1773 |
8091 |
4584 |
67 |
0 |
| CDI |
8 |
176 |
39 |
224 |
6690 |
18995 |
3560 |
0 |
| VCDI |
0 |
95 |
48 |
233 |
284 |
1277 |
420 |
0 |
|
Date: 2024-08-02:
| 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 |
98318 |
16959 |
151 |
60 |
3 |
0 |
0 |
0 |
| OW |
2124 |
4867 |
1057 |
874 |
73 |
3 |
1 |
0 |
| VODI |
2003 |
1270 |
1153 |
4819 |
1359 |
106 |
17 |
0 |
| ODI |
18 |
116 |
59 |
1417 |
9256 |
2252 |
208 |
0 |
| CDI |
0 |
126 |
31 |
106 |
5032 |
21028 |
2720 |
0 |
| VCDI |
0 |
131 |
45 |
152 |
276 |
1192 |
1428 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97734 |
14812 |
140 |
76 |
12 |
0 |
0 |
0 |
| OW |
2671 |
5620 |
967 |
1037 |
88 |
13 |
2 |
0 |
| VODI |
2019 |
2279 |
1023 |
3633 |
1956 |
205 |
91 |
0 |
| ODI |
27 |
353 |
275 |
2301 |
7751 |
4696 |
157 |
0 |
| CDI |
12 |
213 |
42 |
227 |
5934 |
18931 |
3610 |
0 |
| VCDI |
0 |
192 |
49 |
154 |
258 |
736 |
514 |
0 |
|
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