Validation of sea ice concentration - European sector
Bulletin date: 2023-08-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2023-08-20:
| 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 |
93008 |
5754 |
259 |
203 |
3 |
0 |
0 |
0 |
| OW |
0 |
85 |
134 |
362 |
63 |
0 |
0 |
0 |
| VODI |
0 |
11 |
21 |
305 |
220 |
0 |
0 |
0 |
| ODI |
0 |
0 |
5 |
145 |
352 |
53 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
1184 |
1831 |
1479 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
31 |
2012 |
1542 |
|
...date precedes bulletin
|
Date: 2023-08-22:
| 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 |
94125 |
4719 |
374 |
333 |
1 |
0 |
0 |
0 |
| OW |
0 |
15 |
80 |
322 |
15 |
0 |
0 |
0 |
| VODI |
0 |
0 |
6 |
454 |
186 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
104 |
884 |
53 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
636 |
1947 |
402 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
112 |
3029 |
1302 |
|
...date precedes bulletin
|
Date: 2023-08-24:
| 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 |
93890 |
4892 |
366 |
482 |
18 |
0 |
0 |
0 |
| OW |
0 |
24 |
36 |
320 |
76 |
0 |
0 |
0 |
| VODI |
0 |
3 |
8 |
297 |
314 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
85 |
715 |
134 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
975 |
1673 |
738 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
815 |
2999 |
238 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93890 |
4897 |
367 |
527 |
23 |
0 |
0 |
0 |
| OW |
0 |
19 |
32 |
297 |
76 |
0 |
0 |
0 |
| VODI |
0 |
3 |
11 |
267 |
304 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
94 |
678 |
91 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1017 |
1723 |
795 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
808 |
2942 |
238 |
|
Date: 2023-08-26:
| 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 |
93122 |
5870 |
307 |
394 |
15 |
0 |
0 |
0 |
| OW |
0 |
36 |
41 |
369 |
42 |
0 |
0 |
0 |
| VODI |
0 |
2 |
9 |
353 |
244 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
104 |
706 |
128 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
813 |
2124 |
835 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1641 |
1934 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93122 |
5884 |
306 |
415 |
16 |
0 |
0 |
0 |
| OW |
0 |
23 |
38 |
377 |
41 |
0 |
0 |
0 |
| VODI |
0 |
1 |
13 |
304 |
244 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
123 |
596 |
63 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
923 |
2164 |
855 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1666 |
1914 |
0 |
|
Date: 2023-08-28:
| 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 |
95011 |
4073 |
302 |
256 |
5 |
0 |
0 |
0 |
| OW |
0 |
8 |
60 |
291 |
14 |
0 |
0 |
0 |
| VODI |
0 |
0 |
2 |
565 |
132 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
88 |
1383 |
86 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
788 |
3762 |
139 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
447 |
1670 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95011 |
4054 |
303 |
343 |
16 |
0 |
0 |
0 |
| OW |
0 |
22 |
45 |
399 |
22 |
0 |
0 |
0 |
| VODI |
0 |
5 |
15 |
275 |
229 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
158 |
519 |
87 |
0 |
0 |
| CDI |
0 |
0 |
0 |
43 |
1217 |
2322 |
327 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
319 |
1886 |
1482 |
0 |
|
Date: 2023-08-30:
| 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 |
95553 |
3619 |
304 |
269 |
6 |
0 |
0 |
0 |
| OW |
0 |
4 |
60 |
361 |
15 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
555 |
114 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
121 |
1215 |
84 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
1102 |
3009 |
363 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
1671 |
607 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95553 |
3541 |
292 |
402 |
16 |
0 |
0 |
0 |
| OW |
0 |
66 |
43 |
358 |
31 |
0 |
0 |
0 |
| VODI |
0 |
16 |
24 |
312 |
149 |
0 |
0 |
0 |
| ODI |
0 |
0 |
6 |
169 |
433 |
63 |
0 |
0 |
| CDI |
0 |
0 |
0 |
86 |
1490 |
1911 |
343 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
379 |
2790 |
627 |
0 |
|
Date: 2023-09-01:
| 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 |
95300 |
3971 |
217 |
246 |
32 |
0 |
0 |
0 |
| OW |
0 |
102 |
67 |
314 |
23 |
0 |
0 |
0 |
| VODI |
0 |
5 |
28 |
422 |
192 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
228 |
1017 |
96 |
0 |
0 |
| CDI |
0 |
0 |
0 |
47 |
1509 |
3179 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
72 |
1630 |
354 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95300 |
3950 |
201 |
398 |
55 |
0 |
0 |
0 |
| OW |
0 |
104 |
60 |
240 |
68 |
0 |
0 |
0 |
| VODI |
0 |
21 |
31 |
219 |
226 |
2 |
0 |
0 |
| ODI |
0 |
3 |
20 |
191 |
327 |
131 |
0 |
0 |
| CDI |
0 |
0 |
0 |
209 |
1420 |
2004 |
60 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
749 |
2768 |
343 |
0 |
|
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