Validation of sea ice concentration - Full domain
Bulletin date: 2024-06-20
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-14:
| 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 |
67322 |
14109 |
105 |
91 |
26 |
42 |
0 |
0 |
| OW |
1062 |
4601 |
596 |
715 |
171 |
65 |
3 |
0 |
| VODI |
3363 |
1914 |
744 |
1828 |
959 |
309 |
22 |
1 |
| ODI |
0 |
530 |
210 |
1059 |
2231 |
1243 |
172 |
6 |
| CDI |
0 |
429 |
213 |
933 |
3563 |
8271 |
4181 |
31 |
| VCDI |
0 |
31 |
31 |
141 |
719 |
11324 |
36744 |
10700 |
|
...date precedes bulletin
|
Date: 2024-06-16:
| 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 |
67604 |
13963 |
113 |
91 |
64 |
4 |
0 |
0 |
| OW |
1038 |
4637 |
653 |
739 |
219 |
57 |
7 |
0 |
| VODI |
3351 |
2037 |
633 |
1782 |
1097 |
236 |
45 |
0 |
| ODI |
0 |
688 |
267 |
1178 |
2394 |
1314 |
174 |
0 |
| CDI |
0 |
500 |
220 |
933 |
4056 |
7746 |
4340 |
1 |
| VCDI |
0 |
27 |
31 |
181 |
1790 |
17199 |
29329 |
10072 |
|
...date precedes bulletin
|
Date: 2024-06-18:
| 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 |
68266 |
15513 |
190 |
120 |
74 |
4 |
0 |
0 |
| OW |
1035 |
5087 |
730 |
672 |
184 |
31 |
1 |
0 |
| VODI |
3322 |
1274 |
706 |
2427 |
1157 |
133 |
15 |
0 |
| ODI |
0 |
246 |
148 |
1352 |
3614 |
1215 |
102 |
0 |
| CDI |
0 |
104 |
71 |
488 |
3802 |
11763 |
2711 |
0 |
| VCDI |
0 |
2 |
12 |
159 |
1750 |
21380 |
27334 |
3616 |
|
...date precedes bulletin
|
Date: 2024-06-20:
| 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 |
68457 |
16260 |
233 |
203 |
56 |
29 |
0 |
0 |
| OW |
1111 |
4401 |
709 |
755 |
208 |
73 |
3 |
0 |
| VODI |
3333 |
1354 |
696 |
2060 |
1337 |
250 |
28 |
0 |
| ODI |
3 |
321 |
186 |
1274 |
3147 |
1283 |
111 |
0 |
| CDI |
0 |
151 |
112 |
633 |
4088 |
12354 |
3448 |
0 |
| VCDI |
0 |
29 |
28 |
337 |
2273 |
27113 |
19577 |
2786 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68468 |
16866 |
280 |
221 |
70 |
28 |
0 |
0 |
| OW |
1097 |
3747 |
679 |
813 |
221 |
68 |
4 |
0 |
| VODI |
3336 |
1397 |
684 |
1957 |
1319 |
283 |
27 |
0 |
| ODI |
3 |
325 |
186 |
1271 |
3052 |
1184 |
97 |
0 |
| CDI |
0 |
148 |
103 |
636 |
4175 |
12488 |
3562 |
3 |
| VCDI |
0 |
33 |
32 |
364 |
2272 |
27051 |
19477 |
2783 |
|
Date: 2024-06-22:
| 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 |
68987 |
16787 |
185 |
173 |
68 |
27 |
0 |
0 |
| OW |
1113 |
4292 |
692 |
718 |
256 |
94 |
10 |
0 |
| VODI |
3324 |
1663 |
634 |
1713 |
1273 |
293 |
48 |
0 |
| ODI |
2 |
468 |
252 |
1212 |
2782 |
1089 |
143 |
0 |
| CDI |
0 |
233 |
133 |
884 |
4654 |
11376 |
2948 |
5 |
| VCDI |
0 |
29 |
32 |
218 |
2795 |
29142 |
17348 |
2715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68997 |
17253 |
233 |
191 |
74 |
28 |
2 |
0 |
| OW |
1106 |
3776 |
655 |
755 |
269 |
90 |
12 |
0 |
| VODI |
3317 |
1698 |
613 |
1571 |
1219 |
296 |
46 |
0 |
| ODI |
6 |
476 |
257 |
1281 |
2744 |
1105 |
99 |
0 |
| CDI |
0 |
210 |
123 |
862 |
4708 |
11372 |
2877 |
13 |
| VCDI |
0 |
59 |
47 |
258 |
2814 |
29130 |
17461 |
2707 |
|
Date: 2024-06-24:
| 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 |
69249 |
18524 |
299 |
292 |
102 |
24 |
1 |
0 |
| OW |
1125 |
4002 |
796 |
776 |
168 |
41 |
4 |
0 |
| VODI |
3260 |
830 |
778 |
2595 |
1275 |
132 |
10 |
0 |
| ODI |
0 |
106 |
129 |
1435 |
5722 |
1499 |
39 |
0 |
| CDI |
0 |
38 |
62 |
521 |
4297 |
19370 |
1909 |
0 |
| VCDI |
0 |
3 |
10 |
110 |
2631 |
24481 |
13913 |
252 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69218 |
17218 |
285 |
329 |
97 |
39 |
7 |
0 |
| OW |
1096 |
3627 |
636 |
856 |
352 |
99 |
5 |
0 |
| VODI |
3317 |
1869 |
597 |
1504 |
1312 |
293 |
20 |
0 |
| ODI |
3 |
500 |
324 |
1460 |
2820 |
1167 |
87 |
0 |
| CDI |
0 |
229 |
170 |
1246 |
5721 |
11799 |
2568 |
2 |
| VCDI |
0 |
60 |
62 |
334 |
3893 |
32150 |
13189 |
250 |
|
Date: 2024-06-26:
| 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 |
69583 |
18865 |
343 |
340 |
51 |
36 |
0 |
0 |
| OW |
1133 |
4006 |
703 |
834 |
246 |
57 |
0 |
0 |
| VODI |
3254 |
1010 |
806 |
2284 |
1368 |
182 |
7 |
0 |
| ODI |
0 |
139 |
198 |
1579 |
4961 |
1477 |
104 |
0 |
| CDI |
0 |
63 |
75 |
617 |
3717 |
19992 |
2779 |
0 |
| VCDI |
0 |
18 |
3 |
86 |
2372 |
29602 |
7896 |
24 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69560 |
17313 |
316 |
382 |
54 |
49 |
0 |
0 |
| OW |
1106 |
3581 |
549 |
957 |
401 |
93 |
2 |
0 |
| VODI |
3304 |
2047 |
594 |
1305 |
1385 |
278 |
12 |
0 |
| ODI |
0 |
755 |
363 |
1453 |
2638 |
1085 |
299 |
0 |
| CDI |
0 |
326 |
275 |
1460 |
5483 |
14845 |
1908 |
0 |
| VCDI |
0 |
79 |
31 |
183 |
2754 |
34996 |
8565 |
24 |
|
Date: 2024-06-28:
| 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 |
70580 |
18235 |
297 |
238 |
28 |
20 |
0 |
0 |
| OW |
1146 |
3997 |
714 |
936 |
302 |
52 |
7 |
0 |
| VODI |
3237 |
1493 |
784 |
2063 |
1540 |
225 |
22 |
0 |
| ODI |
0 |
298 |
360 |
2008 |
4622 |
1592 |
183 |
0 |
| CDI |
0 |
82 |
108 |
650 |
6220 |
18392 |
2742 |
0 |
| VCDI |
0 |
17 |
18 |
159 |
2791 |
31163 |
3489 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70560 |
16667 |
379 |
397 |
75 |
26 |
9 |
0 |
| OW |
1114 |
3618 |
475 |
915 |
482 |
76 |
20 |
0 |
| VODI |
3289 |
2239 |
564 |
1262 |
1392 |
362 |
39 |
0 |
| ODI |
0 |
1079 |
430 |
1595 |
2625 |
1312 |
264 |
0 |
| CDI |
0 |
485 |
407 |
1702 |
8041 |
13088 |
1062 |
0 |
| VCDI |
0 |
34 |
26 |
183 |
2888 |
36580 |
5049 |
0 |
|
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