Validation of sea ice concentration - European sector
Bulletin date: 2023-08-10
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-04:
| 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 |
89859 |
7504 |
273 |
445 |
39 |
0 |
0 |
0 |
| OW |
0 |
12 |
49 |
485 |
89 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
639 |
470 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
83 |
538 |
29 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
273 |
3712 |
675 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
618 |
2077 |
1217 |
|
...date precedes bulletin
|
Date: 2023-08-06:
| 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 |
92336 |
5435 |
214 |
226 |
10 |
0 |
0 |
0 |
| OW |
0 |
101 |
111 |
383 |
67 |
0 |
0 |
0 |
| VODI |
0 |
12 |
37 |
685 |
333 |
9 |
0 |
0 |
| ODI |
0 |
0 |
1 |
206 |
376 |
40 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
623 |
3651 |
232 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
673 |
2782 |
543 |
|
...date precedes bulletin
|
Date: 2023-08-08:
| 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 |
93628 |
4365 |
275 |
291 |
0 |
0 |
0 |
0 |
| OW |
0 |
32 |
73 |
337 |
13 |
0 |
0 |
0 |
| VODI |
0 |
1 |
5 |
803 |
271 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
93 |
587 |
66 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
885 |
2978 |
636 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
343 |
1952 |
1465 |
|
...date precedes bulletin
|
Date: 2023-08-10:
| 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 |
92718 |
5345 |
298 |
359 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
39 |
398 |
38 |
0 |
0 |
0 |
| VODI |
0 |
2 |
8 |
625 |
359 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
89 |
451 |
151 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
651 |
3281 |
667 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
601 |
1791 |
1188 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92718 |
5342 |
288 |
386 |
0 |
0 |
0 |
0 |
| OW |
0 |
29 |
50 |
409 |
46 |
0 |
0 |
0 |
| VODI |
0 |
3 |
7 |
592 |
356 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
86 |
436 |
140 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
661 |
3258 |
662 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
636 |
1796 |
1191 |
|
Date: 2023-08-12:
| 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 |
94249 |
4171 |
232 |
190 |
0 |
0 |
0 |
0 |
| OW |
0 |
61 |
48 |
507 |
8 |
0 |
0 |
0 |
| VODI |
0 |
7 |
17 |
598 |
240 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
133 |
492 |
31 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
1058 |
3040 |
625 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
603 |
2391 |
382 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94249 |
4176 |
216 |
204 |
0 |
0 |
0 |
0 |
| OW |
0 |
52 |
63 |
499 |
14 |
0 |
0 |
0 |
| VODI |
0 |
11 |
18 |
596 |
235 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
133 |
478 |
39 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
1071 |
2996 |
534 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
639 |
2482 |
382 |
|
Date: 2023-08-14:
| 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 |
94737 |
3825 |
198 |
129 |
0 |
0 |
0 |
0 |
| OW |
0 |
25 |
94 |
457 |
5 |
0 |
0 |
0 |
| VODI |
0 |
2 |
1 |
703 |
162 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
100 |
671 |
27 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
455 |
2890 |
210 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
487 |
2540 |
1371 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94737 |
3746 |
163 |
244 |
0 |
0 |
0 |
0 |
| OW |
0 |
97 |
97 |
497 |
38 |
0 |
0 |
0 |
| VODI |
0 |
9 |
33 |
469 |
237 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
134 |
382 |
114 |
0 |
0 |
| CDI |
0 |
0 |
0 |
51 |
615 |
2780 |
888 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
510 |
1862 |
1371 |
|
Date: 2023-08-16:
| 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 |
94119 |
4481 |
258 |
249 |
0 |
0 |
0 |
0 |
| OW |
0 |
29 |
176 |
523 |
20 |
0 |
0 |
0 |
| VODI |
0 |
2 |
10 |
373 |
216 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
110 |
451 |
59 |
0 |
0 |
| CDI |
0 |
0 |
0 |
22 |
921 |
2348 |
386 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
352 |
2571 |
1394 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94119 |
4333 |
219 |
362 |
0 |
0 |
0 |
0 |
| OW |
0 |
148 |
166 |
414 |
60 |
0 |
0 |
0 |
| VODI |
0 |
31 |
53 |
273 |
265 |
0 |
0 |
0 |
| ODI |
0 |
0 |
6 |
154 |
380 |
95 |
0 |
0 |
| CDI |
0 |
0 |
0 |
74 |
927 |
2440 |
703 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
224 |
2254 |
1387 |
|
Date: 2023-08-18:
| 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 |
91786 |
6662 |
360 |
331 |
0 |
0 |
0 |
0 |
| OW |
0 |
33 |
79 |
557 |
42 |
0 |
0 |
0 |
| VODI |
0 |
7 |
13 |
320 |
256 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
117 |
421 |
46 |
0 |
0 |
| CDI |
0 |
0 |
0 |
23 |
1182 |
2240 |
429 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
188 |
2731 |
1275 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91786 |
6576 |
296 |
456 |
16 |
0 |
0 |
0 |
| OW |
0 |
106 |
119 |
436 |
115 |
0 |
0 |
0 |
| VODI |
0 |
20 |
36 |
269 |
251 |
0 |
0 |
0 |
| ODI |
0 |
0 |
3 |
137 |
420 |
59 |
0 |
0 |
| CDI |
0 |
0 |
0 |
50 |
1099 |
2301 |
856 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
114 |
2304 |
1275 |
|
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