Validation of sea ice concentration - Full domain
Bulletin date: 2022-06-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-05-29:
| 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 |
61404 |
22568 |
3406 |
1861 |
400 |
76 |
5 |
0 |
| OW |
50 |
238 |
399 |
805 |
614 |
162 |
11 |
0 |
| VODI |
0 |
175 |
178 |
789 |
957 |
447 |
56 |
0 |
| ODI |
0 |
174 |
214 |
898 |
1217 |
839 |
172 |
0 |
| CDI |
0 |
208 |
260 |
1190 |
2552 |
4007 |
2704 |
2 |
| VCDI |
0 |
231 |
268 |
831 |
1635 |
9506 |
45999 |
19540 |
|
...date precedes bulletin
|
Date: 2022-05-31:
| 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 |
64798 |
20114 |
3867 |
1935 |
310 |
16 |
1 |
0 |
| OW |
44 |
283 |
328 |
991 |
527 |
56 |
3 |
0 |
| VODI |
0 |
146 |
242 |
1240 |
1377 |
383 |
4 |
0 |
| ODI |
0 |
84 |
122 |
754 |
1670 |
1146 |
96 |
0 |
| CDI |
0 |
172 |
225 |
1065 |
2487 |
4963 |
2508 |
14 |
| VCDI |
0 |
132 |
132 |
437 |
1153 |
9736 |
50469 |
13018 |
|
...date precedes bulletin
|
Date: 2022-06-02:
| 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 |
66253 |
21006 |
2545 |
1723 |
316 |
28 |
2 |
0 |
| OW |
43 |
326 |
405 |
1169 |
705 |
96 |
11 |
0 |
| VODI |
0 |
168 |
306 |
1144 |
1324 |
432 |
78 |
0 |
| ODI |
0 |
85 |
200 |
707 |
1224 |
828 |
372 |
0 |
| CDI |
0 |
191 |
279 |
1125 |
3348 |
4542 |
2716 |
19 |
| VCDI |
0 |
163 |
189 |
553 |
2254 |
14467 |
49198 |
6508 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66253 |
21057 |
2557 |
1795 |
470 |
60 |
4 |
0 |
| OW |
43 |
290 |
384 |
1014 |
685 |
127 |
11 |
0 |
| VODI |
0 |
163 |
331 |
1226 |
1162 |
384 |
73 |
0 |
| ODI |
0 |
82 |
188 |
711 |
1204 |
787 |
294 |
0 |
| CDI |
0 |
184 |
288 |
1156 |
3340 |
4630 |
2755 |
19 |
| VCDI |
0 |
163 |
176 |
519 |
2310 |
14405 |
49240 |
6508 |
|
Date: 2022-06-04:
| 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 |
66755 |
21395 |
2740 |
1806 |
534 |
43 |
8 |
0 |
| OW |
50 |
412 |
473 |
968 |
792 |
237 |
34 |
0 |
| VODI |
0 |
189 |
413 |
977 |
914 |
334 |
168 |
0 |
| ODI |
0 |
100 |
217 |
729 |
1187 |
719 |
410 |
0 |
| CDI |
0 |
171 |
414 |
1099 |
3383 |
5267 |
2634 |
18 |
| VCDI |
0 |
164 |
349 |
617 |
1460 |
14529 |
46823 |
7516 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66755 |
21463 |
2743 |
1803 |
765 |
124 |
12 |
0 |
| OW |
50 |
356 |
457 |
930 |
553 |
157 |
29 |
0 |
| VODI |
0 |
189 |
442 |
1028 |
889 |
338 |
128 |
0 |
| ODI |
0 |
98 |
216 |
721 |
1215 |
728 |
393 |
0 |
| CDI |
0 |
162 |
395 |
1116 |
3384 |
5442 |
2764 |
18 |
| VCDI |
0 |
163 |
353 |
598 |
1464 |
14340 |
46751 |
7516 |
|
Date: 2022-06-06:
| 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 |
64898 |
25036 |
2337 |
1797 |
535 |
61 |
0 |
0 |
| OW |
42 |
418 |
474 |
823 |
477 |
109 |
15 |
0 |
| VODI |
0 |
258 |
400 |
1284 |
992 |
268 |
31 |
0 |
| ODI |
0 |
196 |
225 |
869 |
1751 |
1174 |
176 |
0 |
| CDI |
0 |
347 |
394 |
1071 |
3153 |
6552 |
3170 |
3 |
| VCDI |
0 |
146 |
109 |
462 |
1087 |
11423 |
45557 |
8928 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64898 |
24724 |
2203 |
2022 |
919 |
176 |
8 |
0 |
| OW |
42 |
454 |
385 |
699 |
484 |
170 |
31 |
0 |
| VODI |
0 |
307 |
442 |
860 |
742 |
426 |
154 |
0 |
| ODI |
0 |
235 |
234 |
657 |
1056 |
970 |
380 |
0 |
| CDI |
0 |
409 |
448 |
1319 |
3185 |
5562 |
3801 |
4 |
| VCDI |
0 |
272 |
227 |
749 |
1609 |
12283 |
44575 |
8927 |
|
Date: 2022-06-08:
| 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 |
72217 |
18338 |
2455 |
2034 |
768 |
104 |
0 |
0 |
| OW |
47 |
452 |
430 |
951 |
658 |
128 |
14 |
0 |
| VODI |
0 |
346 |
254 |
993 |
1046 |
374 |
34 |
0 |
| ODI |
0 |
288 |
221 |
844 |
1527 |
1225 |
201 |
0 |
| CDI |
0 |
538 |
349 |
1115 |
2953 |
6630 |
2801 |
8 |
| VCDI |
0 |
223 |
146 |
827 |
866 |
8396 |
47757 |
8490 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72214 |
17855 |
2300 |
2199 |
1116 |
201 |
7 |
0 |
| OW |
50 |
536 |
293 |
599 |
536 |
202 |
34 |
0 |
| VODI |
0 |
456 |
380 |
739 |
861 |
465 |
211 |
0 |
| ODI |
0 |
385 |
220 |
729 |
1038 |
1163 |
229 |
0 |
| CDI |
0 |
644 |
470 |
1696 |
3251 |
6073 |
3269 |
19 |
| VCDI |
0 |
309 |
192 |
802 |
1016 |
8753 |
47057 |
8479 |
|
Date: 2022-06-10:
| 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 |
68437 |
21714 |
3714 |
2458 |
685 |
40 |
1 |
0 |
| OW |
27 |
507 |
335 |
1085 |
717 |
93 |
14 |
0 |
| VODI |
0 |
415 |
241 |
924 |
1209 |
386 |
44 |
0 |
| ODI |
0 |
375 |
200 |
732 |
1560 |
1304 |
370 |
0 |
| CDI |
0 |
532 |
348 |
1176 |
3510 |
5178 |
3090 |
16 |
| VCDI |
0 |
217 |
169 |
660 |
983 |
11460 |
43174 |
8948 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68436 |
21067 |
3492 |
2554 |
1095 |
145 |
26 |
0 |
| OW |
28 |
642 |
363 |
634 |
436 |
161 |
81 |
0 |
| VODI |
0 |
526 |
287 |
857 |
995 |
418 |
128 |
0 |
| ODI |
0 |
534 |
213 |
693 |
1266 |
1127 |
362 |
1 |
| CDI |
0 |
633 |
408 |
1568 |
3758 |
4991 |
3590 |
20 |
| VCDI |
0 |
358 |
244 |
729 |
1114 |
11619 |
42506 |
8943 |
|
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