Validation of sea ice concentration - European sector
Bulletin date: 2024-04-04
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-29:
| 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 |
56942 |
13939 |
243 |
183 |
46 |
0 |
0 |
0 |
| OW |
1 |
790 |
355 |
677 |
86 |
4 |
0 |
0 |
| VODI |
0 |
180 |
153 |
803 |
513 |
14 |
0 |
0 |
| ODI |
0 |
23 |
39 |
452 |
758 |
271 |
13 |
0 |
| CDI |
0 |
1 |
13 |
308 |
1320 |
1708 |
1097 |
1 |
| VCDI |
0 |
0 |
0 |
20 |
426 |
1809 |
10014 |
7214 |
|
...date precedes bulletin
|
Date: 2024-03-31:
| 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 |
56689 |
14027 |
233 |
186 |
22 |
0 |
0 |
0 |
| OW |
0 |
839 |
305 |
688 |
115 |
10 |
0 |
0 |
| VODI |
0 |
255 |
159 |
767 |
504 |
59 |
0 |
0 |
| ODI |
0 |
45 |
75 |
539 |
826 |
406 |
0 |
0 |
| CDI |
0 |
0 |
4 |
369 |
1242 |
1640 |
1160 |
0 |
| VCDI |
0 |
0 |
0 |
47 |
648 |
2101 |
10275 |
6181 |
|
...date precedes bulletin
|
Date: 2024-04-02:
| 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 |
57259 |
13899 |
191 |
122 |
22 |
0 |
0 |
0 |
| OW |
0 |
961 |
385 |
478 |
66 |
3 |
1 |
0 |
| VODI |
0 |
140 |
194 |
1191 |
291 |
33 |
4 |
0 |
| ODI |
0 |
2 |
30 |
449 |
1155 |
154 |
12 |
0 |
| CDI |
0 |
0 |
7 |
318 |
1354 |
2243 |
433 |
0 |
| VCDI |
0 |
0 |
0 |
36 |
208 |
1842 |
10405 |
6528 |
|
...date precedes bulletin
|
Date: 2024-04-04:
| 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 |
56926 |
13865 |
150 |
91 |
9 |
0 |
0 |
0 |
| OW |
0 |
953 |
359 |
538 |
70 |
0 |
0 |
0 |
| VODI |
0 |
215 |
240 |
1074 |
312 |
3 |
1 |
0 |
| ODI |
0 |
23 |
52 |
598 |
1014 |
194 |
14 |
0 |
| CDI |
0 |
0 |
10 |
342 |
1464 |
2476 |
1424 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
122 |
1123 |
8473 |
8278 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56926 |
13918 |
147 |
93 |
8 |
0 |
0 |
0 |
| OW |
0 |
895 |
363 |
508 |
79 |
0 |
0 |
0 |
| VODI |
0 |
221 |
248 |
1067 |
286 |
3 |
0 |
0 |
| ODI |
0 |
22 |
42 |
638 |
919 |
176 |
9 |
0 |
| CDI |
0 |
0 |
11 |
337 |
1559 |
2524 |
1496 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
140 |
1093 |
8407 |
8278 |
|
Date: 2024-04-06:
| 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 |
57293 |
13551 |
124 |
58 |
27 |
0 |
0 |
0 |
| OW |
0 |
1089 |
419 |
457 |
106 |
2 |
0 |
0 |
| VODI |
0 |
256 |
238 |
1014 |
284 |
34 |
0 |
0 |
| ODI |
0 |
14 |
71 |
556 |
759 |
213 |
8 |
0 |
| CDI |
0 |
4 |
9 |
342 |
1354 |
2461 |
1602 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
176 |
1505 |
8635 |
7742 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57293 |
13629 |
152 |
65 |
27 |
0 |
0 |
0 |
| OW |
0 |
996 |
386 |
483 |
107 |
1 |
0 |
0 |
| VODI |
0 |
271 |
247 |
949 |
252 |
31 |
0 |
0 |
| ODI |
0 |
14 |
65 |
562 |
733 |
178 |
4 |
0 |
| CDI |
0 |
4 |
11 |
363 |
1392 |
2520 |
1722 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
195 |
1485 |
8519 |
7742 |
|
Date: 2024-04-08:
| 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 |
57064 |
14114 |
177 |
132 |
24 |
0 |
0 |
0 |
| OW |
0 |
901 |
568 |
482 |
44 |
0 |
0 |
0 |
| VODI |
0 |
23 |
91 |
1429 |
265 |
9 |
0 |
0 |
| ODI |
0 |
1 |
9 |
341 |
1358 |
119 |
1 |
0 |
| CDI |
0 |
0 |
9 |
102 |
1220 |
2706 |
269 |
0 |
| VCDI |
0 |
0 |
0 |
34 |
112 |
1351 |
9732 |
7729 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57064 |
13611 |
180 |
143 |
38 |
0 |
0 |
0 |
| OW |
0 |
1047 |
321 |
462 |
84 |
6 |
0 |
0 |
| VODI |
0 |
336 |
232 |
894 |
258 |
25 |
0 |
0 |
| ODI |
0 |
40 |
92 |
560 |
890 |
170 |
9 |
0 |
| CDI |
0 |
4 |
19 |
362 |
1480 |
2347 |
1724 |
2 |
| VCDI |
0 |
1 |
10 |
99 |
273 |
1637 |
8269 |
7727 |
|
Date: 2024-04-10:
| 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 |
57410 |
13804 |
235 |
152 |
16 |
0 |
0 |
0 |
| OW |
3 |
812 |
421 |
642 |
55 |
0 |
0 |
0 |
| VODI |
0 |
85 |
127 |
1020 |
468 |
4 |
0 |
0 |
| ODI |
0 |
4 |
10 |
361 |
887 |
293 |
2 |
0 |
| CDI |
0 |
0 |
7 |
191 |
1496 |
2390 |
640 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
129 |
1492 |
9487 |
7773 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57413 |
13106 |
208 |
188 |
27 |
0 |
0 |
0 |
| OW |
0 |
1097 |
220 |
390 |
102 |
0 |
0 |
0 |
| VODI |
0 |
394 |
245 |
797 |
336 |
41 |
0 |
0 |
| ODI |
0 |
97 |
86 |
496 |
739 |
326 |
5 |
0 |
| CDI |
0 |
11 |
41 |
464 |
1546 |
2379 |
1881 |
9 |
| VCDI |
0 |
0 |
0 |
31 |
301 |
1433 |
8243 |
7764 |
|
Date: 2024-04-12:
| 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 |
57436 |
13427 |
167 |
138 |
16 |
0 |
0 |
0 |
| OW |
0 |
1058 |
353 |
455 |
96 |
1 |
0 |
0 |
| VODI |
0 |
193 |
248 |
1078 |
302 |
42 |
0 |
0 |
| ODI |
0 |
26 |
30 |
661 |
922 |
167 |
13 |
0 |
| CDI |
0 |
12 |
18 |
327 |
1860 |
2202 |
590 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
214 |
1244 |
8170 |
8925 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57436 |
12707 |
176 |
180 |
28 |
0 |
0 |
0 |
| OW |
0 |
1162 |
200 |
301 |
105 |
8 |
0 |
0 |
| VODI |
0 |
626 |
259 |
719 |
233 |
64 |
3 |
0 |
| ODI |
0 |
170 |
127 |
828 |
688 |
199 |
20 |
0 |
| CDI |
0 |
51 |
54 |
628 |
2128 |
2292 |
1726 |
22 |
| VCDI |
0 |
0 |
0 |
28 |
228 |
1093 |
7024 |
8903 |
|
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