Validation of sea ice concentration - Full domain
Bulletin date: 2022-05-19
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-05-13:
| 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 |
62868 |
20108 |
1563 |
1138 |
437 |
91 |
19 |
0 |
| OW |
64 |
214 |
181 |
392 |
538 |
241 |
65 |
0 |
| VODI |
0 |
98 |
160 |
420 |
593 |
267 |
155 |
0 |
| ODI |
0 |
52 |
76 |
341 |
608 |
478 |
306 |
0 |
| CDI |
0 |
55 |
73 |
536 |
1470 |
1977 |
1601 |
27 |
| VCDI |
0 |
154 |
149 |
736 |
2686 |
12456 |
38272 |
35383 |
|
...date precedes bulletin
|
Date: 2022-05-15:
| 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 |
65030 |
17889 |
1795 |
1213 |
518 |
173 |
68 |
0 |
| OW |
62 |
211 |
183 |
364 |
515 |
161 |
80 |
0 |
| VODI |
0 |
138 |
141 |
416 |
505 |
294 |
142 |
0 |
| ODI |
0 |
68 |
109 |
370 |
603 |
432 |
303 |
0 |
| CDI |
0 |
64 |
70 |
713 |
1847 |
2463 |
1390 |
22 |
| VCDI |
0 |
146 |
207 |
814 |
3161 |
12521 |
37484 |
34363 |
|
...date precedes bulletin
|
Date: 2022-05-17:
| 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 |
65979 |
17054 |
2011 |
1120 |
395 |
182 |
29 |
0 |
| OW |
56 |
115 |
200 |
534 |
372 |
118 |
30 |
0 |
| VODI |
0 |
58 |
121 |
678 |
856 |
237 |
63 |
0 |
| ODI |
0 |
36 |
81 |
561 |
1099 |
731 |
155 |
0 |
| CDI |
0 |
79 |
86 |
853 |
2331 |
3721 |
1601 |
58 |
| VCDI |
0 |
170 |
172 |
708 |
2396 |
9125 |
32749 |
40128 |
|
...date precedes bulletin
|
Date: 2022-05-19:
| 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 |
63460 |
18598 |
3092 |
1313 |
502 |
185 |
61 |
0 |
| OW |
55 |
167 |
241 |
666 |
470 |
138 |
19 |
0 |
| VODI |
0 |
132 |
154 |
614 |
728 |
370 |
116 |
0 |
| ODI |
0 |
104 |
151 |
578 |
889 |
666 |
287 |
0 |
| CDI |
0 |
143 |
244 |
948 |
2211 |
2713 |
1865 |
73 |
| VCDI |
0 |
215 |
371 |
1086 |
2501 |
9546 |
31594 |
39782 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63461 |
18600 |
3103 |
1431 |
626 |
234 |
69 |
0 |
| OW |
54 |
179 |
234 |
582 |
430 |
113 |
14 |
0 |
| VODI |
0 |
124 |
148 |
598 |
700 |
377 |
131 |
0 |
| ODI |
0 |
96 |
165 |
546 |
769 |
621 |
262 |
0 |
| CDI |
0 |
144 |
234 |
955 |
2167 |
2643 |
1713 |
75 |
| VCDI |
0 |
216 |
369 |
1093 |
2609 |
9630 |
31753 |
39780 |
|
Date: 2022-05-21:
| 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 |
63300 |
19340 |
2428 |
1681 |
749 |
230 |
61 |
0 |
| OW |
63 |
108 |
212 |
529 |
504 |
173 |
57 |
0 |
| VODI |
0 |
139 |
147 |
646 |
849 |
437 |
168 |
0 |
| ODI |
0 |
133 |
156 |
550 |
990 |
539 |
381 |
0 |
| CDI |
0 |
270 |
251 |
832 |
2080 |
2952 |
2049 |
46 |
| VCDI |
0 |
406 |
423 |
1087 |
2679 |
9460 |
36173 |
33770 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63300 |
19353 |
2456 |
1776 |
894 |
264 |
61 |
0 |
| OW |
63 |
105 |
185 |
523 |
467 |
192 |
71 |
0 |
| VODI |
0 |
117 |
158 |
563 |
775 |
409 |
155 |
0 |
| ODI |
0 |
141 |
154 |
519 |
852 |
521 |
339 |
0 |
| CDI |
0 |
273 |
240 |
858 |
2116 |
2869 |
2052 |
56 |
| VCDI |
0 |
407 |
424 |
1086 |
2747 |
9536 |
36211 |
33760 |
|
Date: 2022-05-23:
| 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 |
62269 |
20656 |
2386 |
1871 |
630 |
114 |
14 |
0 |
| OW |
53 |
290 |
250 |
598 |
233 |
56 |
23 |
0 |
| VODI |
0 |
199 |
241 |
1053 |
886 |
227 |
57 |
0 |
| ODI |
0 |
208 |
159 |
718 |
1922 |
795 |
208 |
0 |
| CDI |
0 |
349 |
322 |
1019 |
2708 |
3902 |
1687 |
1 |
| VCDI |
0 |
153 |
274 |
606 |
1689 |
8585 |
39440 |
30197 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62269 |
20640 |
2476 |
2227 |
890 |
181 |
43 |
0 |
| OW |
53 |
157 |
181 |
541 |
466 |
215 |
60 |
0 |
| VODI |
0 |
170 |
120 |
598 |
703 |
323 |
235 |
0 |
| ODI |
0 |
186 |
130 |
483 |
872 |
507 |
334 |
0 |
| CDI |
0 |
375 |
254 |
823 |
2289 |
2834 |
2128 |
8 |
| VCDI |
0 |
327 |
471 |
1193 |
2848 |
9619 |
38629 |
30190 |
|
Date: 2022-05-25:
| 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 |
63339 |
20498 |
2369 |
1696 |
468 |
103 |
24 |
0 |
| OW |
61 |
249 |
318 |
799 |
347 |
50 |
28 |
0 |
| VODI |
0 |
178 |
183 |
918 |
1180 |
208 |
63 |
0 |
| ODI |
0 |
183 |
156 |
682 |
1539 |
694 |
200 |
0 |
| CDI |
0 |
289 |
304 |
1123 |
2827 |
3677 |
1602 |
3 |
| VCDI |
0 |
196 |
207 |
715 |
1993 |
9778 |
42848 |
24953 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63339 |
20396 |
2356 |
2001 |
783 |
197 |
75 |
0 |
| OW |
61 |
170 |
278 |
450 |
572 |
138 |
69 |
0 |
| VODI |
0 |
183 |
122 |
656 |
613 |
304 |
177 |
0 |
| ODI |
0 |
164 |
116 |
590 |
880 |
608 |
313 |
0 |
| CDI |
0 |
300 |
286 |
879 |
2657 |
3088 |
1726 |
18 |
| VCDI |
0 |
380 |
379 |
1357 |
2849 |
10175 |
42405 |
24938 |
|
Date: 2022-05-27:
| 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 |
64393 |
19885 |
2454 |
1812 |
487 |
123 |
38 |
0 |
| OW |
60 |
251 |
375 |
803 |
409 |
88 |
24 |
0 |
| VODI |
0 |
176 |
181 |
821 |
1000 |
335 |
95 |
0 |
| ODI |
0 |
189 |
212 |
806 |
1279 |
694 |
242 |
0 |
| CDI |
0 |
207 |
272 |
1018 |
2456 |
3671 |
1649 |
2 |
| VCDI |
0 |
199 |
307 |
938 |
1971 |
10823 |
49883 |
16420 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64393 |
19597 |
2417 |
2086 |
897 |
288 |
90 |
0 |
| OW |
60 |
280 |
199 |
462 |
417 |
185 |
86 |
0 |
| VODI |
0 |
223 |
209 |
598 |
498 |
405 |
236 |
0 |
| ODI |
0 |
175 |
154 |
570 |
809 |
655 |
279 |
0 |
| CDI |
0 |
294 |
317 |
889 |
2416 |
2953 |
2117 |
48 |
| VCDI |
0 |
338 |
505 |
1593 |
2565 |
11248 |
49123 |
16374 |
|
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