Validation of sea ice concentration - Full domain
Bulletin date: 2024-09-19
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-13:
| 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 |
123108 |
12805 |
103 |
20 |
5 |
0 |
0 |
0 |
| OW |
2571 |
2798 |
677 |
574 |
53 |
4 |
0 |
0 |
| VODI |
1464 |
332 |
476 |
2302 |
805 |
74 |
1 |
0 |
| ODI |
0 |
36 |
35 |
647 |
3220 |
1174 |
50 |
0 |
| CDI |
0 |
26 |
9 |
42 |
1268 |
7239 |
2557 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
73 |
6843 |
9416 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-15:
| 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 |
120864 |
14702 |
235 |
188 |
9 |
0 |
0 |
0 |
| OW |
2501 |
2539 |
561 |
809 |
177 |
12 |
0 |
0 |
| VODI |
1514 |
411 |
366 |
1709 |
1199 |
265 |
2 |
0 |
| ODI |
0 |
37 |
34 |
262 |
2084 |
1771 |
84 |
0 |
| CDI |
0 |
22 |
6 |
46 |
541 |
8995 |
2682 |
0 |
| VCDI |
0 |
6 |
0 |
2 |
9 |
8494 |
7672 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-17:
| 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 |
123110 |
13512 |
219 |
126 |
8 |
0 |
0 |
0 |
| OW |
2555 |
1858 |
557 |
775 |
98 |
1 |
0 |
0 |
| VODI |
1334 |
326 |
260 |
1554 |
1070 |
144 |
2 |
0 |
| ODI |
0 |
14 |
33 |
435 |
2484 |
2214 |
82 |
0 |
| CDI |
0 |
15 |
1 |
32 |
375 |
11070 |
3299 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
0 |
2955 |
10173 |
118 |
|
...date precedes bulletin
|
Date: 2024-09-19:
| 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 |
122740 |
13752 |
308 |
209 |
13 |
0 |
0 |
0 |
| OW |
2636 |
1537 |
447 |
976 |
297 |
42 |
0 |
0 |
| VODI |
1272 |
343 |
227 |
1021 |
1215 |
498 |
2 |
0 |
| ODI |
0 |
39 |
40 |
306 |
1807 |
2493 |
81 |
0 |
| CDI |
0 |
23 |
9 |
34 |
407 |
6436 |
2785 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
5893 |
12139 |
773 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122754 |
13794 |
322 |
273 |
27 |
1 |
0 |
0 |
| OW |
2619 |
1523 |
434 |
970 |
253 |
45 |
0 |
0 |
| VODI |
1275 |
319 |
229 |
993 |
1292 |
446 |
14 |
0 |
| ODI |
0 |
30 |
35 |
255 |
1712 |
2406 |
93 |
0 |
| CDI |
0 |
28 |
11 |
55 |
451 |
6517 |
2735 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
5947 |
12165 |
773 |
|
Date: 2024-09-21:
| 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 |
123033 |
13072 |
255 |
385 |
16 |
0 |
0 |
0 |
| OW |
2563 |
1500 |
436 |
1069 |
294 |
13 |
0 |
0 |
| VODI |
1350 |
264 |
194 |
1060 |
1369 |
453 |
4 |
0 |
| ODI |
0 |
27 |
28 |
219 |
1314 |
2017 |
61 |
0 |
| CDI |
0 |
26 |
17 |
41 |
361 |
6137 |
2216 |
0 |
| VCDI |
0 |
5 |
0 |
12 |
29 |
4290 |
14940 |
1740 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123049 |
13174 |
299 |
415 |
36 |
0 |
0 |
0 |
| OW |
2541 |
1415 |
393 |
1015 |
305 |
15 |
0 |
0 |
| VODI |
1356 |
243 |
200 |
1076 |
1287 |
437 |
12 |
0 |
| ODI |
0 |
29 |
19 |
210 |
1278 |
1897 |
56 |
0 |
| CDI |
0 |
27 |
17 |
51 |
442 |
5917 |
2083 |
0 |
| VCDI |
0 |
6 |
2 |
19 |
35 |
4644 |
15070 |
1740 |
|
Date: 2024-09-23:
| 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 |
121895 |
14256 |
259 |
165 |
8 |
0 |
0 |
0 |
| OW |
2331 |
1146 |
450 |
725 |
76 |
0 |
0 |
0 |
| VODI |
1506 |
123 |
189 |
1541 |
671 |
38 |
0 |
0 |
| ODI |
0 |
15 |
12 |
241 |
1793 |
620 |
3 |
0 |
| CDI |
0 |
7 |
0 |
13 |
572 |
5778 |
1275 |
0 |
| VCDI |
0 |
5 |
0 |
0 |
10 |
2226 |
20079 |
2782 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121851 |
13956 |
314 |
319 |
26 |
2 |
0 |
0 |
| OW |
2451 |
1302 |
428 |
1194 |
341 |
21 |
0 |
0 |
| VODI |
1430 |
236 |
147 |
1006 |
1266 |
548 |
8 |
0 |
| ODI |
0 |
23 |
10 |
143 |
1191 |
1678 |
108 |
0 |
| CDI |
0 |
29 |
11 |
20 |
275 |
3995 |
2127 |
0 |
| VCDI |
0 |
6 |
0 |
3 |
31 |
2418 |
19114 |
2782 |
|
Date: 2024-09-25:
| 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 |
123090 |
12815 |
176 |
194 |
72 |
0 |
0 |
0 |
| OW |
2278 |
1343 |
377 |
429 |
184 |
11 |
0 |
0 |
| VODI |
1576 |
178 |
227 |
1156 |
637 |
146 |
0 |
0 |
| ODI |
0 |
21 |
23 |
268 |
1165 |
789 |
7 |
0 |
| CDI |
2 |
9 |
9 |
30 |
455 |
4221 |
1702 |
0 |
| VCDI |
0 |
8 |
1 |
15 |
48 |
2699 |
20773 |
3676 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123035 |
12427 |
246 |
318 |
118 |
0 |
0 |
0 |
| OW |
2409 |
1559 |
354 |
730 |
431 |
100 |
0 |
0 |
| VODI |
1500 |
317 |
183 |
859 |
952 |
649 |
49 |
0 |
| ODI |
0 |
35 |
15 |
128 |
799 |
1479 |
101 |
0 |
| CDI |
2 |
27 |
14 |
40 |
205 |
3398 |
2069 |
0 |
| VCDI |
0 |
9 |
1 |
17 |
56 |
2240 |
20263 |
3676 |
|
Date: 2024-09-27:
| 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 |
122708 |
13060 |
154 |
149 |
67 |
0 |
0 |
0 |
| OW |
2273 |
1237 |
364 |
609 |
175 |
5 |
0 |
0 |
| VODI |
1601 |
288 |
188 |
861 |
894 |
96 |
0 |
0 |
| ODI |
0 |
41 |
32 |
256 |
998 |
769 |
8 |
0 |
| CDI |
3 |
17 |
15 |
78 |
523 |
3677 |
1023 |
0 |
| VCDI |
0 |
5 |
0 |
10 |
96 |
5625 |
18208 |
4697 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122644 |
12235 |
163 |
241 |
172 |
1 |
0 |
0 |
| OW |
2256 |
1787 |
340 |
606 |
364 |
90 |
3 |
0 |
| VODI |
1682 |
519 |
193 |
775 |
807 |
520 |
63 |
0 |
| ODI |
0 |
60 |
29 |
277 |
967 |
963 |
92 |
0 |
| CDI |
3 |
35 |
22 |
50 |
381 |
4074 |
1327 |
0 |
| VCDI |
0 |
12 |
6 |
14 |
62 |
4524 |
17754 |
4697 |
|
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