Validation of sea ice concentration - Full domain
Bulletin date: 2023-06-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-26:
| 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 |
72052 |
15285 |
972 |
2168 |
447 |
14 |
0 |
0 |
| OW |
59 |
196 |
143 |
1172 |
479 |
52 |
0 |
0 |
| VODI |
0 |
138 |
56 |
825 |
1301 |
149 |
12 |
0 |
| ODI |
0 |
109 |
40 |
400 |
1726 |
632 |
91 |
0 |
| CDI |
0 |
84 |
62 |
549 |
2763 |
4598 |
1463 |
3 |
| VCDI |
0 |
33 |
40 |
312 |
1337 |
11567 |
33169 |
32550 |
|
...date precedes bulletin
|
Date: 2023-05-28:
| 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 |
73676 |
14087 |
969 |
2133 |
477 |
21 |
0 |
0 |
| OW |
56 |
218 |
117 |
1173 |
648 |
42 |
1 |
0 |
| VODI |
0 |
185 |
62 |
815 |
1448 |
145 |
33 |
0 |
| ODI |
0 |
145 |
68 |
417 |
1689 |
752 |
152 |
0 |
| CDI |
0 |
146 |
72 |
583 |
2427 |
4985 |
2151 |
1 |
| VCDI |
0 |
62 |
50 |
384 |
1476 |
9769 |
35670 |
29743 |
|
...date precedes bulletin
|
Date: 2023-05-30:
| 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 |
74790 |
13779 |
1067 |
2239 |
344 |
1 |
0 |
0 |
| OW |
51 |
164 |
136 |
1428 |
675 |
18 |
0 |
0 |
| VODI |
0 |
95 |
69 |
1015 |
1774 |
264 |
4 |
0 |
| ODI |
0 |
73 |
44 |
425 |
2497 |
1011 |
56 |
0 |
| CDI |
0 |
67 |
37 |
385 |
2591 |
8913 |
1698 |
4 |
| VCDI |
0 |
2 |
1 |
109 |
930 |
6501 |
40465 |
23326 |
|
...date precedes bulletin
|
Date: 2023-06-01:
| 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 |
74286 |
14849 |
1085 |
2625 |
403 |
10 |
0 |
0 |
| OW |
50 |
230 |
123 |
1279 |
942 |
146 |
5 |
0 |
| VODI |
0 |
174 |
76 |
894 |
1565 |
310 |
153 |
0 |
| ODI |
0 |
94 |
36 |
474 |
2155 |
993 |
496 |
3 |
| CDI |
0 |
107 |
49 |
380 |
2294 |
6506 |
4041 |
2 |
| VCDI |
0 |
1 |
4 |
226 |
1058 |
8393 |
37574 |
22957 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74286 |
14881 |
1098 |
2843 |
528 |
7 |
0 |
0 |
| OW |
50 |
219 |
111 |
1080 |
828 |
135 |
1 |
0 |
| VODI |
0 |
162 |
77 |
880 |
1545 |
352 |
149 |
0 |
| ODI |
0 |
89 |
34 |
467 |
2141 |
917 |
468 |
3 |
| CDI |
0 |
103 |
50 |
384 |
2308 |
6479 |
4143 |
2 |
| VCDI |
0 |
1 |
3 |
224 |
1067 |
8468 |
37508 |
22957 |
|
Date: 2023-06-03:
| 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 |
75148 |
14277 |
1058 |
2822 |
749 |
33 |
0 |
0 |
| OW |
50 |
252 |
133 |
1194 |
1031 |
136 |
1 |
0 |
| VODI |
0 |
197 |
73 |
815 |
1824 |
451 |
40 |
0 |
| ODI |
0 |
94 |
42 |
446 |
2446 |
1533 |
150 |
1 |
| CDI |
0 |
82 |
54 |
470 |
2621 |
6969 |
3028 |
13 |
| VCDI |
0 |
8 |
4 |
238 |
942 |
6198 |
36371 |
25054 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75148 |
14331 |
1077 |
3018 |
804 |
29 |
0 |
0 |
| OW |
50 |
210 |
120 |
975 |
939 |
110 |
2 |
0 |
| VODI |
0 |
185 |
71 |
828 |
1866 |
440 |
49 |
0 |
| ODI |
0 |
100 |
38 |
444 |
2389 |
1477 |
172 |
1 |
| CDI |
0 |
78 |
53 |
487 |
2633 |
6998 |
3155 |
13 |
| VCDI |
0 |
6 |
5 |
233 |
982 |
6266 |
36212 |
25054 |
|
Date: 2023-06-05:
| 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 |
74445 |
15984 |
1184 |
2320 |
585 |
10 |
0 |
0 |
| OW |
50 |
204 |
210 |
1460 |
501 |
39 |
0 |
0 |
| VODI |
0 |
75 |
36 |
1420 |
1529 |
82 |
2 |
0 |
| ODI |
0 |
45 |
37 |
425 |
4026 |
670 |
24 |
0 |
| CDI |
0 |
0 |
10 |
305 |
2325 |
8189 |
1362 |
1 |
| VCDI |
0 |
0 |
0 |
68 |
407 |
5261 |
39135 |
24622 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74450 |
15684 |
1126 |
2919 |
1045 |
96 |
0 |
0 |
| OW |
45 |
274 |
153 |
948 |
928 |
172 |
8 |
0 |
| VODI |
0 |
185 |
95 |
818 |
1968 |
668 |
131 |
0 |
| ODI |
0 |
92 |
38 |
496 |
2167 |
1586 |
933 |
1 |
| CDI |
0 |
67 |
59 |
556 |
2323 |
5725 |
3347 |
10 |
| VCDI |
0 |
6 |
6 |
261 |
942 |
6004 |
36104 |
24612 |
|
Date: 2023-06-07:
| 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 |
75228 |
15661 |
1167 |
3051 |
631 |
3 |
0 |
0 |
| OW |
44 |
175 |
145 |
1386 |
691 |
19 |
0 |
0 |
| VODI |
0 |
98 |
57 |
1097 |
2184 |
104 |
3 |
0 |
| ODI |
0 |
42 |
48 |
497 |
3398 |
956 |
17 |
0 |
| CDI |
0 |
17 |
18 |
534 |
2917 |
7919 |
1944 |
0 |
| VCDI |
0 |
0 |
0 |
101 |
833 |
7132 |
37994 |
20937 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75229 |
15130 |
1022 |
3364 |
1293 |
24 |
0 |
0 |
| OW |
43 |
351 |
124 |
911 |
1282 |
129 |
4 |
0 |
| VODI |
0 |
263 |
109 |
874 |
2269 |
620 |
51 |
0 |
| ODI |
0 |
123 |
82 |
500 |
2329 |
2172 |
270 |
0 |
| CDI |
0 |
103 |
75 |
697 |
2422 |
6042 |
2870 |
1 |
| VCDI |
0 |
23 |
23 |
320 |
1059 |
7146 |
36763 |
20936 |
|
Date: 2023-06-09:
| 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 |
75700 |
15892 |
1334 |
3016 |
451 |
3 |
0 |
0 |
| OW |
42 |
192 |
140 |
1599 |
899 |
21 |
0 |
0 |
| VODI |
0 |
136 |
66 |
1149 |
2723 |
148 |
6 |
0 |
| ODI |
0 |
49 |
58 |
475 |
3328 |
876 |
40 |
0 |
| CDI |
0 |
36 |
28 |
401 |
3571 |
7463 |
1696 |
29 |
| VCDI |
0 |
3 |
11 |
110 |
977 |
6200 |
37994 |
20186 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75701 |
15297 |
1204 |
3366 |
1406 |
26 |
0 |
0 |
| OW |
41 |
371 |
107 |
1020 |
1632 |
67 |
8 |
0 |
| VODI |
0 |
303 |
100 |
822 |
2696 |
513 |
28 |
0 |
| ODI |
0 |
160 |
84 |
557 |
2695 |
2277 |
126 |
0 |
| CDI |
0 |
139 |
116 |
729 |
2334 |
5556 |
2676 |
89 |
| VCDI |
0 |
38 |
26 |
256 |
1186 |
6272 |
36898 |
20126 |
|
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