Validation of sea ice concentration - Full domain
Bulletin date: 2023-07-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-07:
| 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 |
91051 |
19029 |
1301 |
2099 |
260 |
36 |
0 |
0 |
| OW |
6 |
232 |
297 |
1895 |
648 |
38 |
0 |
0 |
| VODI |
0 |
40 |
72 |
2117 |
3040 |
150 |
16 |
0 |
| ODI |
0 |
0 |
2 |
437 |
6079 |
1132 |
35 |
0 |
| CDI |
0 |
0 |
1 |
253 |
4892 |
20915 |
1066 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1271 |
21148 |
7490 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-09:
| 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 |
92042 |
18809 |
1252 |
2095 |
319 |
14 |
0 |
0 |
| OW |
7 |
371 |
381 |
2109 |
788 |
50 |
0 |
0 |
| VODI |
0 |
103 |
111 |
2073 |
3572 |
132 |
2 |
0 |
| ODI |
0 |
12 |
8 |
484 |
5814 |
889 |
11 |
0 |
| CDI |
0 |
6 |
13 |
374 |
9264 |
17340 |
462 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
779 |
21458 |
5904 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-11:
| 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 |
89464 |
22209 |
1875 |
2033 |
320 |
2 |
0 |
0 |
| OW |
3 |
91 |
206 |
1824 |
331 |
5 |
0 |
0 |
| VODI |
0 |
13 |
19 |
3040 |
2515 |
60 |
0 |
0 |
| ODI |
0 |
2 |
8 |
530 |
10502 |
1711 |
4 |
0 |
| CDI |
0 |
0 |
0 |
107 |
6141 |
26192 |
1154 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
458 |
11297 |
4932 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-13:
| 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 |
91576 |
21260 |
1476 |
1950 |
325 |
3 |
0 |
0 |
| OW |
1 |
216 |
304 |
2339 |
408 |
20 |
0 |
0 |
| VODI |
0 |
29 |
49 |
3271 |
2853 |
115 |
0 |
0 |
| ODI |
0 |
7 |
12 |
608 |
10980 |
2052 |
7 |
0 |
| CDI |
0 |
0 |
1 |
151 |
6862 |
23879 |
1165 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
537 |
11373 |
3217 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91576 |
21288 |
1473 |
2136 |
374 |
1 |
0 |
0 |
| OW |
1 |
178 |
291 |
2108 |
525 |
23 |
0 |
0 |
| VODI |
0 |
38 |
64 |
3185 |
2850 |
122 |
0 |
0 |
| ODI |
0 |
8 |
14 |
736 |
10294 |
1909 |
8 |
0 |
| CDI |
0 |
0 |
0 |
154 |
7387 |
23740 |
1271 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
535 |
11647 |
3110 |
0 |
|
Date: 2023-07-15:
| 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 |
95940 |
18182 |
1310 |
1816 |
246 |
8 |
0 |
0 |
| OW |
0 |
385 |
428 |
2746 |
479 |
15 |
0 |
0 |
| VODI |
0 |
52 |
112 |
3248 |
3299 |
127 |
0 |
0 |
| ODI |
0 |
2 |
15 |
756 |
11845 |
1629 |
8 |
0 |
| CDI |
0 |
0 |
0 |
164 |
10220 |
18926 |
1018 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
663 |
11092 |
2315 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95940 |
18218 |
1294 |
2164 |
341 |
8 |
0 |
0 |
| OW |
0 |
356 |
441 |
2352 |
526 |
19 |
0 |
0 |
| VODI |
0 |
41 |
101 |
3234 |
3280 |
141 |
0 |
0 |
| ODI |
0 |
6 |
29 |
806 |
10901 |
1494 |
9 |
0 |
| CDI |
0 |
0 |
0 |
174 |
11091 |
18715 |
1067 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
613 |
11420 |
2265 |
0 |
|
Date: 2023-07-17:
| 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 |
95700 |
19858 |
1445 |
1461 |
208 |
19 |
0 |
0 |
| OW |
0 |
148 |
481 |
2229 |
184 |
6 |
0 |
0 |
| VODI |
0 |
6 |
10 |
4734 |
1896 |
32 |
0 |
0 |
| ODI |
0 |
0 |
0 |
400 |
18497 |
826 |
0 |
0 |
| CDI |
0 |
0 |
0 |
48 |
4331 |
24442 |
804 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
7224 |
2052 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95700 |
19285 |
1292 |
2332 |
380 |
21 |
0 |
0 |
| OW |
0 |
590 |
466 |
2320 |
737 |
38 |
0 |
0 |
| VODI |
0 |
110 |
149 |
3156 |
3985 |
123 |
0 |
0 |
| ODI |
0 |
26 |
25 |
872 |
10937 |
1905 |
21 |
0 |
| CDI |
0 |
1 |
4 |
191 |
8930 |
18981 |
886 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
154 |
11481 |
1949 |
0 |
|
Date: 2023-07-19:
| 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 |
96589 |
20231 |
1440 |
1921 |
211 |
17 |
0 |
0 |
| OW |
0 |
181 |
451 |
2793 |
252 |
1 |
0 |
0 |
| VODI |
0 |
32 |
24 |
4047 |
3310 |
43 |
0 |
0 |
| ODI |
0 |
3 |
2 |
594 |
16536 |
1151 |
7 |
0 |
| CDI |
0 |
2 |
0 |
81 |
4381 |
23514 |
872 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
6506 |
1830 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96589 |
19464 |
1154 |
2762 |
429 |
21 |
0 |
0 |
| OW |
0 |
741 |
506 |
2435 |
896 |
24 |
0 |
0 |
| VODI |
0 |
197 |
209 |
3158 |
4377 |
153 |
0 |
0 |
| ODI |
0 |
41 |
36 |
836 |
10776 |
1620 |
35 |
0 |
| CDI |
0 |
6 |
12 |
245 |
8117 |
18846 |
769 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
121 |
10568 |
1905 |
0 |
|
Date: 2023-07-21:
| 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 |
96333 |
21689 |
1488 |
2025 |
133 |
18 |
0 |
0 |
| OW |
0 |
336 |
493 |
3375 |
304 |
9 |
0 |
0 |
| VODI |
0 |
39 |
32 |
3795 |
4121 |
43 |
0 |
0 |
| ODI |
0 |
2 |
0 |
857 |
15124 |
1034 |
2 |
0 |
| CDI |
0 |
2 |
0 |
92 |
5950 |
22007 |
438 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
4950 |
2271 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96333 |
20741 |
1232 |
3381 |
509 |
23 |
0 |
0 |
| OW |
0 |
884 |
439 |
2232 |
959 |
31 |
0 |
0 |
| VODI |
0 |
365 |
304 |
3006 |
4778 |
285 |
0 |
0 |
| ODI |
0 |
58 |
21 |
1093 |
10298 |
1389 |
14 |
0 |
| CDI |
0 |
20 |
17 |
422 |
8885 |
16633 |
274 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
289 |
9700 |
2423 |
0 |
|
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