Validation of sea ice concentration - Full domain
Bulletin date: 2023-06-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-23:
| 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 |
78067 |
19186 |
1781 |
6460 |
659 |
22 |
0 |
0 |
| OW |
14 |
265 |
191 |
2619 |
1139 |
47 |
8 |
0 |
| VODI |
0 |
85 |
91 |
1394 |
3229 |
187 |
30 |
0 |
| ODI |
0 |
15 |
28 |
470 |
3422 |
1068 |
107 |
1 |
| CDI |
0 |
2 |
3 |
299 |
4518 |
8663 |
1419 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
858 |
10746 |
18489 |
21463 |
|
...date precedes bulletin
|
Date: 2023-06-25:
| 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 |
79605 |
19574 |
1746 |
6392 |
541 |
33 |
2 |
0 |
| OW |
11 |
311 |
197 |
2310 |
1210 |
121 |
10 |
0 |
| VODI |
0 |
128 |
101 |
1255 |
2684 |
299 |
35 |
0 |
| ODI |
0 |
39 |
34 |
399 |
3203 |
1516 |
60 |
1 |
| CDI |
0 |
9 |
13 |
327 |
3999 |
10241 |
1471 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
720 |
10926 |
22293 |
15232 |
|
...date precedes bulletin
|
Date: 2023-06-27:
| 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 |
80866 |
21926 |
2073 |
4271 |
315 |
16 |
0 |
0 |
| OW |
13 |
70 |
182 |
2151 |
424 |
52 |
1 |
0 |
| VODI |
0 |
24 |
19 |
1923 |
2071 |
127 |
6 |
0 |
| ODI |
0 |
5 |
1 |
444 |
5317 |
1059 |
16 |
0 |
| CDI |
0 |
0 |
0 |
92 |
3546 |
12075 |
812 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
332 |
11854 |
26602 |
8363 |
|
...date precedes bulletin
|
Date: 2023-06-29:
| 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 |
81804 |
22715 |
1859 |
3708 |
309 |
16 |
0 |
0 |
| OW |
10 |
111 |
219 |
2206 |
600 |
33 |
0 |
0 |
| VODI |
0 |
15 |
23 |
1436 |
2796 |
252 |
5 |
0 |
| ODI |
0 |
5 |
3 |
358 |
4791 |
1381 |
17 |
0 |
| CDI |
0 |
0 |
0 |
139 |
3385 |
12947 |
1995 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
203 |
12479 |
23223 |
8005 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81805 |
22738 |
1901 |
3985 |
370 |
18 |
0 |
0 |
| OW |
9 |
84 |
179 |
1861 |
665 |
41 |
0 |
0 |
| VODI |
0 |
18 |
21 |
1501 |
2524 |
261 |
4 |
0 |
| ODI |
0 |
6 |
3 |
354 |
4780 |
1320 |
18 |
0 |
| CDI |
0 |
0 |
0 |
146 |
3556 |
12982 |
2011 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
189 |
12486 |
23207 |
8005 |
|
Date: 2023-07-01:
| 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 |
86291 |
20368 |
1454 |
2706 |
397 |
7 |
0 |
0 |
| OW |
9 |
262 |
273 |
2173 |
722 |
69 |
0 |
0 |
| VODI |
0 |
20 |
38 |
1324 |
2819 |
694 |
0 |
0 |
| ODI |
0 |
5 |
3 |
328 |
4166 |
1719 |
1 |
0 |
| CDI |
0 |
0 |
0 |
206 |
3477 |
16247 |
1489 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
314 |
20135 |
18074 |
1258 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86287 |
20472 |
1501 |
3045 |
512 |
17 |
0 |
0 |
| OW |
13 |
149 |
224 |
1809 |
727 |
84 |
0 |
0 |
| VODI |
0 |
25 |
38 |
1363 |
2642 |
590 |
0 |
0 |
| ODI |
0 |
9 |
5 |
325 |
4057 |
1779 |
1 |
0 |
| CDI |
0 |
0 |
0 |
195 |
3631 |
16058 |
1433 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
326 |
20343 |
18130 |
1258 |
|
Date: 2023-07-03:
| 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 |
83051 |
23895 |
1935 |
2731 |
216 |
9 |
0 |
0 |
| OW |
7 |
44 |
214 |
1873 |
344 |
12 |
0 |
0 |
| VODI |
0 |
4 |
3 |
2125 |
1737 |
92 |
0 |
0 |
| ODI |
0 |
0 |
0 |
253 |
7549 |
829 |
8 |
0 |
| CDI |
0 |
0 |
0 |
129 |
2673 |
24349 |
779 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
285 |
17710 |
14007 |
185 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83049 |
23690 |
1852 |
3531 |
592 |
23 |
0 |
0 |
| OW |
9 |
184 |
225 |
1607 |
899 |
113 |
12 |
0 |
| VODI |
0 |
64 |
66 |
1328 |
3151 |
412 |
0 |
0 |
| ODI |
0 |
5 |
9 |
376 |
4222 |
1470 |
32 |
0 |
| CDI |
0 |
0 |
0 |
269 |
3430 |
18581 |
1407 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
510 |
22402 |
13343 |
185 |
|
Date: 2023-07-05:
| 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 |
86459 |
22651 |
1519 |
2182 |
220 |
28 |
0 |
0 |
| OW |
6 |
210 |
295 |
1727 |
494 |
35 |
0 |
0 |
| VODI |
0 |
8 |
34 |
2088 |
2421 |
103 |
6 |
0 |
| ODI |
0 |
0 |
0 |
371 |
6683 |
1026 |
32 |
0 |
| CDI |
0 |
0 |
0 |
161 |
4513 |
21426 |
1101 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
908 |
19540 |
10750 |
51 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86459 |
22303 |
1443 |
2671 |
718 |
70 |
0 |
0 |
| OW |
6 |
382 |
264 |
1513 |
1146 |
126 |
1 |
0 |
| VODI |
0 |
160 |
107 |
1452 |
3112 |
316 |
20 |
0 |
| ODI |
0 |
24 |
34 |
587 |
3959 |
1589 |
67 |
0 |
| CDI |
0 |
0 |
0 |
305 |
5113 |
18122 |
787 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
1191 |
21935 |
11014 |
51 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91052 |
18576 |
1211 |
2565 |
934 |
97 |
1 |
0 |
| OW |
5 |
453 |
287 |
1723 |
1434 |
122 |
2 |
0 |
| VODI |
0 |
230 |
138 |
1346 |
3058 |
239 |
40 |
0 |
| ODI |
0 |
42 |
31 |
705 |
3823 |
1643 |
30 |
0 |
| CDI |
0 |
0 |
6 |
462 |
5547 |
18610 |
1387 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1394 |
22708 |
7147 |
0 |
|
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