Validation of sea ice concentration - Full domain
Bulletin date: 2022-05-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-05-20:
| 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 |
63509 |
20137 |
1777 |
1276 |
549 |
207 |
70 |
0 |
| OW |
54 |
164 |
262 |
595 |
460 |
148 |
28 |
0 |
| VODI |
0 |
135 |
143 |
647 |
737 |
373 |
188 |
0 |
| ODI |
0 |
117 |
168 |
532 |
926 |
579 |
395 |
0 |
| CDI |
0 |
129 |
326 |
837 |
2022 |
2710 |
2158 |
88 |
| VCDI |
0 |
281 |
348 |
1134 |
2501 |
9753 |
33243 |
37342 |
|
...date precedes bulletin
|
Date: 2022-05-22:
| 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 |
59478 |
22146 |
3656 |
1853 |
706 |
135 |
40 |
0 |
| OW |
53 |
189 |
222 |
599 |
475 |
168 |
59 |
0 |
| VODI |
0 |
166 |
162 |
701 |
805 |
420 |
212 |
0 |
| ODI |
0 |
180 |
143 |
536 |
991 |
462 |
426 |
0 |
| CDI |
0 |
323 |
295 |
838 |
2069 |
2802 |
2183 |
8 |
| VCDI |
0 |
349 |
473 |
1120 |
2654 |
9304 |
39671 |
29976 |
|
...date precedes bulletin
|
Date: 2022-05-24:
| 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 |
63988 |
19860 |
1950 |
1705 |
511 |
159 |
13 |
0 |
| OW |
61 |
219 |
301 |
730 |
298 |
49 |
28 |
0 |
| VODI |
0 |
174 |
167 |
954 |
1120 |
266 |
45 |
0 |
| ODI |
0 |
170 |
135 |
685 |
1668 |
777 |
154 |
0 |
| CDI |
0 |
313 |
307 |
1102 |
2980 |
3988 |
1622 |
0 |
| VCDI |
0 |
201 |
240 |
626 |
1904 |
9788 |
42589 |
25201 |
|
...date precedes bulletin
|
Date: 2022-05-26:
| 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 |
62977 |
20605 |
3004 |
1696 |
415 |
104 |
36 |
0 |
| OW |
61 |
289 |
340 |
812 |
385 |
72 |
25 |
0 |
| VODI |
0 |
163 |
174 |
874 |
1100 |
287 |
72 |
0 |
| ODI |
0 |
211 |
179 |
744 |
1384 |
674 |
221 |
0 |
| CDI |
0 |
242 |
289 |
1040 |
2537 |
3421 |
1592 |
5 |
| VCDI |
0 |
235 |
237 |
869 |
2101 |
11533 |
46846 |
19197 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62977 |
20633 |
3032 |
1843 |
551 |
117 |
35 |
0 |
| OW |
61 |
261 |
295 |
647 |
441 |
89 |
28 |
0 |
| VODI |
0 |
174 |
194 |
822 |
815 |
257 |
93 |
0 |
| ODI |
0 |
204 |
161 |
782 |
1407 |
616 |
242 |
0 |
| CDI |
0 |
257 |
313 |
1014 |
2528 |
3445 |
1645 |
1 |
| VCDI |
0 |
216 |
228 |
927 |
2180 |
11567 |
46749 |
19201 |
|
Date: 2022-05-28:
| 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 |
62088 |
21263 |
3278 |
2199 |
477 |
151 |
25 |
0 |
| OW |
60 |
240 |
397 |
767 |
480 |
111 |
26 |
0 |
| VODI |
0 |
162 |
181 |
814 |
924 |
371 |
121 |
0 |
| ODI |
0 |
200 |
202 |
879 |
1201 |
667 |
320 |
0 |
| CDI |
0 |
206 |
267 |
1098 |
2652 |
3817 |
1991 |
16 |
| VCDI |
0 |
230 |
273 |
890 |
1958 |
10657 |
48300 |
17089 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62088 |
21301 |
3332 |
2373 |
674 |
218 |
25 |
0 |
| OW |
60 |
216 |
308 |
552 |
392 |
122 |
41 |
0 |
| VODI |
0 |
164 |
224 |
784 |
743 |
270 |
131 |
0 |
| ODI |
0 |
186 |
185 |
905 |
1255 |
679 |
320 |
0 |
| CDI |
0 |
214 |
258 |
1055 |
2643 |
3911 |
2168 |
5 |
| VCDI |
0 |
220 |
291 |
978 |
1985 |
10574 |
48098 |
17100 |
|
Date: 2022-05-30:
| 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 |
63151 |
21727 |
3274 |
1938 |
304 |
40 |
3 |
0 |
| OW |
49 |
261 |
365 |
948 |
357 |
57 |
6 |
0 |
| VODI |
0 |
172 |
215 |
1367 |
1313 |
197 |
12 |
0 |
| ODI |
0 |
94 |
119 |
825 |
2028 |
1177 |
68 |
0 |
| CDI |
0 |
141 |
229 |
995 |
2588 |
5352 |
1812 |
2 |
| VCDI |
0 |
127 |
139 |
443 |
1142 |
9506 |
50013 |
14492 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63149 |
21502 |
3075 |
1991 |
665 |
179 |
6 |
0 |
| OW |
51 |
244 |
290 |
641 |
475 |
155 |
9 |
0 |
| VODI |
0 |
190 |
178 |
818 |
850 |
406 |
30 |
0 |
| ODI |
0 |
178 |
224 |
931 |
1208 |
815 |
137 |
0 |
| CDI |
0 |
225 |
310 |
1261 |
2908 |
4553 |
2707 |
2 |
| VCDI |
0 |
183 |
264 |
874 |
1626 |
10221 |
49025 |
14492 |
|
Date: 2022-06-01:
| 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 |
64945 |
21582 |
2887 |
1620 |
337 |
12 |
1 |
0 |
| OW |
44 |
365 |
373 |
1059 |
571 |
75 |
2 |
0 |
| VODI |
0 |
166 |
285 |
1241 |
1452 |
410 |
12 |
0 |
| ODI |
0 |
82 |
138 |
819 |
1497 |
901 |
174 |
0 |
| CDI |
0 |
188 |
241 |
1113 |
2944 |
4296 |
2925 |
18 |
| VCDI |
0 |
151 |
164 |
508 |
2714 |
12271 |
52010 |
6455 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64943 |
21100 |
2412 |
1498 |
773 |
169 |
2 |
0 |
| OW |
46 |
357 |
356 |
649 |
550 |
148 |
3 |
0 |
| VODI |
0 |
327 |
326 |
913 |
868 |
412 |
46 |
0 |
| ODI |
0 |
240 |
323 |
1040 |
1097 |
686 |
205 |
1 |
| CDI |
0 |
305 |
411 |
1417 |
2781 |
3727 |
3247 |
10 |
| VCDI |
0 |
205 |
260 |
843 |
3446 |
12823 |
51621 |
6462 |
|
Date: 2022-06-03:
| 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 |
69394 |
19012 |
1955 |
1730 |
411 |
37 |
2 |
0 |
| OW |
50 |
405 |
409 |
1075 |
857 |
162 |
5 |
0 |
| VODI |
0 |
217 |
332 |
1036 |
1066 |
420 |
95 |
0 |
| ODI |
0 |
104 |
200 |
682 |
1229 |
722 |
367 |
0 |
| CDI |
0 |
192 |
347 |
1135 |
3315 |
5108 |
2506 |
52 |
| VCDI |
0 |
197 |
272 |
599 |
1604 |
15920 |
47371 |
6456 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69393 |
18175 |
1461 |
1534 |
808 |
170 |
2 |
0 |
| OW |
51 |
508 |
284 |
681 |
543 |
176 |
31 |
0 |
| VODI |
0 |
432 |
425 |
847 |
748 |
287 |
327 |
0 |
| ODI |
0 |
315 |
399 |
949 |
991 |
618 |
342 |
2 |
| CDI |
0 |
465 |
575 |
1381 |
2969 |
5471 |
3286 |
45 |
| VCDI |
0 |
232 |
371 |
865 |
2423 |
15647 |
46358 |
6461 |
|
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