Validation of sea ice concentration - European sector
Bulletin date: 2023-11-16
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-10:
| 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 |
86573 |
7718 |
383 |
563 |
310 |
143 |
0 |
0 |
| OW |
65 |
181 |
91 |
234 |
88 |
80 |
1 |
0 |
| VODI |
0 |
0 |
5 |
191 |
192 |
113 |
5 |
0 |
| ODI |
0 |
0 |
0 |
45 |
104 |
128 |
7 |
0 |
| CDI |
0 |
0 |
0 |
26 |
114 |
227 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
84 |
1014 |
6095 |
4285 |
|
...date precedes bulletin
|
Date: 2023-11-12:
| 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 |
85649 |
7890 |
447 |
728 |
301 |
151 |
2 |
0 |
| OW |
35 |
118 |
117 |
409 |
116 |
93 |
2 |
0 |
| VODI |
0 |
60 |
19 |
254 |
188 |
136 |
8 |
0 |
| ODI |
0 |
0 |
0 |
63 |
112 |
157 |
9 |
0 |
| CDI |
0 |
0 |
0 |
26 |
133 |
203 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
132 |
856 |
6551 |
4082 |
|
...date precedes bulletin
|
Date: 2023-11-14:
| 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 |
83007 |
10063 |
454 |
812 |
317 |
55 |
0 |
0 |
| OW |
37 |
61 |
77 |
423 |
90 |
13 |
0 |
0 |
| VODI |
0 |
2 |
24 |
293 |
182 |
62 |
0 |
0 |
| ODI |
0 |
0 |
0 |
86 |
334 |
105 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
229 |
354 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
122 |
1038 |
7109 |
3715 |
|
...date precedes bulletin
|
Date: 2023-11-16:
| 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 |
82626 |
9225 |
468 |
1054 |
626 |
104 |
0 |
0 |
| OW |
40 |
87 |
84 |
208 |
382 |
17 |
0 |
0 |
| VODI |
0 |
6 |
31 |
170 |
434 |
43 |
0 |
0 |
| ODI |
0 |
0 |
4 |
77 |
266 |
100 |
0 |
0 |
| CDI |
0 |
0 |
0 |
40 |
282 |
302 |
9 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
154 |
1446 |
7198 |
3609 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82626 |
9198 |
467 |
1116 |
715 |
112 |
0 |
0 |
| OW |
40 |
110 |
86 |
158 |
395 |
15 |
0 |
0 |
| VODI |
0 |
10 |
31 |
145 |
384 |
42 |
0 |
0 |
| ODI |
0 |
0 |
3 |
89 |
223 |
114 |
0 |
0 |
| CDI |
0 |
0 |
0 |
40 |
266 |
277 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
161 |
1452 |
7204 |
3609 |
|
Date: 2023-11-18:
| 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 |
83024 |
8981 |
429 |
757 |
344 |
149 |
0 |
0 |
| OW |
42 |
123 |
85 |
532 |
181 |
37 |
2 |
0 |
| VODI |
0 |
15 |
20 |
361 |
284 |
62 |
9 |
0 |
| ODI |
0 |
0 |
2 |
82 |
273 |
90 |
9 |
0 |
| CDI |
0 |
0 |
0 |
29 |
218 |
405 |
55 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
114 |
1078 |
7219 |
4087 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83021 |
8931 |
435 |
929 |
372 |
161 |
2 |
0 |
| OW |
45 |
178 |
82 |
419 |
173 |
32 |
2 |
0 |
| VODI |
0 |
10 |
17 |
319 |
295 |
63 |
9 |
0 |
| ODI |
0 |
0 |
2 |
61 |
265 |
98 |
10 |
0 |
| CDI |
0 |
0 |
0 |
32 |
198 |
396 |
52 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
111 |
1071 |
7219 |
4087 |
|
Date: 2023-11-20:
| 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 |
82276 |
9651 |
445 |
626 |
308 |
146 |
0 |
0 |
| OW |
41 |
51 |
96 |
551 |
86 |
21 |
0 |
0 |
| VODI |
0 |
3 |
10 |
493 |
493 |
44 |
0 |
0 |
| ODI |
0 |
0 |
0 |
77 |
405 |
76 |
2 |
0 |
| CDI |
0 |
0 |
0 |
23 |
234 |
387 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
75 |
1091 |
6204 |
5166 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82276 |
9466 |
416 |
774 |
390 |
191 |
2 |
0 |
| OW |
41 |
214 |
98 |
453 |
153 |
22 |
4 |
0 |
| VODI |
0 |
25 |
34 |
384 |
364 |
64 |
6 |
0 |
| ODI |
0 |
0 |
3 |
103 |
241 |
95 |
5 |
0 |
| CDI |
0 |
0 |
0 |
49 |
297 |
284 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
156 |
1109 |
6170 |
5166 |
|
Date: 2023-11-22:
| 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 |
81110 |
10324 |
608 |
731 |
317 |
123 |
11 |
0 |
| OW |
44 |
117 |
122 |
461 |
117 |
24 |
0 |
0 |
| VODI |
0 |
17 |
31 |
365 |
487 |
33 |
1 |
0 |
| ODI |
0 |
1 |
11 |
137 |
469 |
63 |
6 |
0 |
| CDI |
0 |
0 |
4 |
68 |
403 |
150 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
533 |
3062 |
6206 |
2907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81123 |
10020 |
583 |
821 |
414 |
177 |
14 |
0 |
| OW |
31 |
332 |
82 |
354 |
193 |
15 |
6 |
0 |
| VODI |
0 |
93 |
82 |
297 |
526 |
87 |
5 |
0 |
| ODI |
0 |
9 |
15 |
155 |
231 |
71 |
5 |
0 |
| CDI |
0 |
5 |
9 |
103 |
293 |
124 |
9 |
0 |
| VCDI |
0 |
0 |
5 |
59 |
669 |
2981 |
6195 |
2907 |
|
Date: 2023-11-24:
| 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 |
82066 |
9685 |
295 |
480 |
393 |
151 |
13 |
0 |
| OW |
36 |
412 |
171 |
289 |
60 |
28 |
0 |
0 |
| VODI |
0 |
121 |
83 |
346 |
368 |
61 |
0 |
0 |
| ODI |
0 |
35 |
48 |
184 |
331 |
137 |
0 |
0 |
| CDI |
0 |
28 |
21 |
193 |
253 |
158 |
0 |
0 |
| VCDI |
0 |
17 |
22 |
264 |
704 |
2674 |
6104 |
2869 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82054 |
9373 |
291 |
604 |
452 |
205 |
13 |
0 |
| OW |
48 |
487 |
114 |
267 |
161 |
42 |
0 |
0 |
| VODI |
0 |
257 |
89 |
181 |
398 |
141 |
0 |
0 |
| ODI |
0 |
84 |
49 |
163 |
158 |
115 |
0 |
0 |
| CDI |
0 |
50 |
54 |
189 |
149 |
123 |
1 |
0 |
| VCDI |
0 |
47 |
43 |
352 |
791 |
2583 |
6103 |
2869 |
|
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