Validation of sea ice concentration - European sector
Bulletin date: 2024-02-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-16:
| 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 |
57770 |
14065 |
124 |
92 |
20 |
0 |
0 |
0 |
| OW |
731 |
1620 |
200 |
260 |
109 |
37 |
3 |
0 |
| VODI |
1782 |
819 |
199 |
423 |
224 |
114 |
15 |
0 |
| ODI |
1828 |
302 |
135 |
350 |
408 |
169 |
42 |
0 |
| CDI |
0 |
154 |
99 |
529 |
761 |
1208 |
776 |
2 |
| VCDI |
0 |
241 |
69 |
214 |
474 |
2693 |
11694 |
2107 |
|
...date precedes bulletin
|
Date: 2024-02-18:
| 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 |
56714 |
14568 |
133 |
86 |
11 |
0 |
0 |
0 |
| OW |
712 |
1477 |
240 |
311 |
72 |
24 |
8 |
0 |
| VODI |
1777 |
738 |
264 |
652 |
202 |
48 |
20 |
0 |
| ODI |
1835 |
255 |
150 |
485 |
424 |
175 |
23 |
0 |
| CDI |
0 |
97 |
96 |
458 |
1070 |
1503 |
667 |
0 |
| VCDI |
0 |
18 |
46 |
281 |
537 |
2851 |
11500 |
2334 |
|
...date precedes bulletin
|
Date: 2024-02-20:
| 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 |
56306 |
15147 |
240 |
109 |
20 |
2 |
0 |
0 |
| OW |
681 |
1497 |
346 |
315 |
88 |
28 |
10 |
0 |
| VODI |
1789 |
399 |
296 |
738 |
336 |
55 |
10 |
0 |
| ODI |
1819 |
53 |
59 |
377 |
657 |
275 |
27 |
0 |
| CDI |
0 |
32 |
35 |
191 |
1159 |
2112 |
761 |
0 |
| VCDI |
0 |
7 |
7 |
42 |
397 |
3414 |
8717 |
4309 |
|
...date precedes bulletin
|
Date: 2024-02-22:
| 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 |
57476 |
13839 |
129 |
150 |
41 |
15 |
5 |
0 |
| OW |
676 |
1418 |
232 |
293 |
141 |
42 |
14 |
0 |
| VODI |
1779 |
562 |
191 |
443 |
336 |
68 |
39 |
0 |
| ODI |
1833 |
116 |
107 |
339 |
527 |
265 |
73 |
0 |
| CDI |
0 |
74 |
64 |
244 |
1104 |
1838 |
1206 |
0 |
| VCDI |
0 |
21 |
24 |
129 |
695 |
2902 |
8339 |
5073 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57483 |
13916 |
130 |
136 |
46 |
18 |
4 |
0 |
| OW |
667 |
1320 |
237 |
316 |
143 |
37 |
15 |
0 |
| VODI |
1780 |
578 |
186 |
446 |
335 |
66 |
37 |
0 |
| ODI |
1834 |
122 |
98 |
333 |
490 |
265 |
83 |
0 |
| CDI |
0 |
71 |
75 |
242 |
1123 |
1835 |
1223 |
0 |
| VCDI |
0 |
23 |
21 |
125 |
707 |
2909 |
8314 |
5073 |
|
Date: 2024-02-24:
| 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 |
57710 |
13641 |
89 |
166 |
51 |
3 |
0 |
0 |
| OW |
677 |
1495 |
184 |
273 |
69 |
24 |
16 |
0 |
| VODI |
1777 |
697 |
185 |
450 |
215 |
113 |
63 |
0 |
| ODI |
1835 |
277 |
150 |
409 |
327 |
282 |
73 |
0 |
| CDI |
0 |
113 |
94 |
406 |
868 |
1242 |
831 |
0 |
| VCDI |
0 |
56 |
40 |
185 |
688 |
2690 |
9357 |
5041 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57710 |
13730 |
88 |
175 |
46 |
2 |
0 |
0 |
| OW |
677 |
1415 |
201 |
278 |
78 |
27 |
15 |
0 |
| VODI |
1777 |
691 |
171 |
458 |
223 |
116 |
59 |
0 |
| ODI |
1835 |
277 |
143 |
375 |
305 |
286 |
82 |
0 |
| CDI |
0 |
105 |
102 |
421 |
833 |
1092 |
731 |
0 |
| VCDI |
0 |
61 |
37 |
182 |
733 |
2831 |
9453 |
5041 |
|
Date: 2024-02-26:
| 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 |
56974 |
14577 |
121 |
214 |
48 |
2 |
0 |
0 |
| OW |
662 |
1542 |
260 |
300 |
124 |
55 |
8 |
0 |
| VODI |
1794 |
312 |
189 |
625 |
320 |
139 |
48 |
0 |
| ODI |
1812 |
84 |
34 |
338 |
573 |
370 |
56 |
0 |
| CDI |
0 |
87 |
44 |
164 |
907 |
2154 |
1127 |
0 |
| VCDI |
0 |
38 |
17 |
81 |
194 |
2164 |
9060 |
5244 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56990 |
14120 |
140 |
222 |
54 |
3 |
0 |
0 |
| OW |
640 |
1338 |
181 |
286 |
129 |
52 |
23 |
0 |
| VODI |
1781 |
614 |
130 |
383 |
259 |
194 |
58 |
0 |
| ODI |
1831 |
290 |
106 |
317 |
340 |
348 |
124 |
0 |
| CDI |
0 |
171 |
74 |
387 |
1035 |
1761 |
1423 |
0 |
| VCDI |
0 |
107 |
34 |
127 |
349 |
2526 |
8671 |
5244 |
|
Date: 2024-02-28:
| 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 |
57411 |
13947 |
147 |
176 |
49 |
0 |
0 |
0 |
| OW |
633 |
1477 |
233 |
304 |
176 |
55 |
25 |
0 |
| VODI |
1785 |
439 |
180 |
490 |
300 |
140 |
18 |
0 |
| ODI |
1824 |
110 |
79 |
384 |
482 |
345 |
79 |
0 |
| CDI |
0 |
105 |
41 |
258 |
804 |
2013 |
1096 |
10 |
| VCDI |
0 |
51 |
39 |
107 |
347 |
2523 |
8861 |
5319 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57383 |
13334 |
174 |
204 |
54 |
8 |
2 |
0 |
| OW |
657 |
1319 |
167 |
269 |
192 |
62 |
17 |
0 |
| VODI |
1775 |
736 |
108 |
339 |
284 |
183 |
65 |
0 |
| ODI |
1838 |
405 |
111 |
331 |
274 |
376 |
86 |
0 |
| CDI |
0 |
255 |
113 |
415 |
910 |
1756 |
1245 |
12 |
| VCDI |
0 |
80 |
46 |
161 |
444 |
2691 |
8664 |
5317 |
|
Date: 2024-03-01:
| 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 |
58333 |
13182 |
150 |
123 |
32 |
2 |
0 |
0 |
| OW |
635 |
1563 |
178 |
280 |
108 |
57 |
0 |
0 |
| VODI |
1784 |
657 |
213 |
403 |
225 |
123 |
30 |
0 |
| ODI |
1826 |
210 |
124 |
454 |
551 |
262 |
46 |
0 |
| CDI |
0 |
155 |
91 |
369 |
1043 |
1302 |
583 |
0 |
| VCDI |
0 |
77 |
44 |
137 |
524 |
3380 |
9307 |
4299 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58302 |
12266 |
143 |
121 |
38 |
2 |
0 |
0 |
| OW |
659 |
1609 |
119 |
219 |
145 |
62 |
0 |
0 |
| VODI |
1774 |
1015 |
192 |
318 |
258 |
175 |
71 |
0 |
| ODI |
1843 |
463 |
141 |
428 |
418 |
313 |
22 |
0 |
| CDI |
0 |
372 |
135 |
478 |
939 |
1226 |
675 |
0 |
| VCDI |
0 |
119 |
70 |
202 |
685 |
3348 |
9198 |
4299 |
|
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