Validation of sea ice concentration - Full domain
Bulletin date: 2024-05-30
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-24:
| 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 |
62507 |
13160 |
81 |
42 |
9 |
5 |
0 |
0 |
| OW |
806 |
2425 |
337 |
350 |
70 |
21 |
4 |
0 |
| VODI |
2037 |
797 |
457 |
1018 |
446 |
112 |
59 |
1 |
| ODI |
1600 |
276 |
185 |
808 |
1145 |
448 |
97 |
10 |
| CDI |
0 |
327 |
202 |
966 |
2530 |
6142 |
2875 |
44 |
| VCDI |
0 |
168 |
92 |
381 |
1164 |
5999 |
46177 |
24430 |
|
...date precedes bulletin
|
Date: 2024-05-26:
| 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 |
62854 |
12728 |
41 |
46 |
31 |
2 |
0 |
0 |
| OW |
811 |
2480 |
279 |
291 |
80 |
21 |
10 |
0 |
| VODI |
2066 |
942 |
412 |
966 |
453 |
127 |
93 |
0 |
| ODI |
1566 |
367 |
204 |
1065 |
1155 |
435 |
148 |
0 |
| CDI |
0 |
479 |
254 |
1045 |
2956 |
6907 |
3179 |
0 |
| VCDI |
0 |
188 |
101 |
435 |
1289 |
8064 |
50363 |
15877 |
|
...date precedes bulletin
|
Date: 2024-05-28:
| 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 |
62556 |
13936 |
56 |
59 |
32 |
1 |
0 |
0 |
| OW |
830 |
2393 |
326 |
262 |
61 |
24 |
11 |
0 |
| VODI |
2136 |
877 |
586 |
1838 |
671 |
119 |
53 |
0 |
| ODI |
1471 |
273 |
180 |
1033 |
1770 |
665 |
129 |
0 |
| CDI |
0 |
316 |
149 |
802 |
2839 |
7363 |
2478 |
2 |
| VCDI |
0 |
46 |
70 |
265 |
837 |
8709 |
49126 |
15460 |
|
...date precedes bulletin
|
Date: 2024-05-30:
| 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 |
62390 |
13873 |
87 |
83 |
19 |
2 |
0 |
0 |
| OW |
832 |
2451 |
355 |
358 |
118 |
23 |
11 |
0 |
| VODI |
2165 |
1095 |
593 |
1666 |
704 |
117 |
46 |
0 |
| ODI |
1439 |
378 |
217 |
1181 |
1789 |
695 |
139 |
0 |
| CDI |
0 |
397 |
234 |
976 |
3510 |
7931 |
2334 |
0 |
| VCDI |
0 |
78 |
94 |
303 |
1000 |
8501 |
46606 |
16020 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62390 |
13880 |
95 |
87 |
20 |
1 |
0 |
0 |
| OW |
832 |
2386 |
354 |
379 |
128 |
21 |
18 |
0 |
| VODI |
2166 |
1167 |
588 |
1654 |
704 |
131 |
39 |
0 |
| ODI |
1438 |
350 |
209 |
1141 |
1811 |
706 |
154 |
0 |
| CDI |
0 |
418 |
248 |
1021 |
3567 |
7924 |
2340 |
0 |
| VCDI |
0 |
71 |
86 |
285 |
910 |
8486 |
46585 |
16020 |
|
Date: 2024-06-01:
| 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 |
62437 |
13419 |
60 |
74 |
36 |
1 |
0 |
0 |
| OW |
833 |
2644 |
372 |
412 |
139 |
24 |
3 |
0 |
| VODI |
2205 |
1340 |
591 |
1626 |
757 |
189 |
28 |
0 |
| ODI |
1396 |
579 |
250 |
1197 |
2070 |
845 |
131 |
0 |
| CDI |
0 |
617 |
288 |
1166 |
3685 |
7434 |
2415 |
1 |
| VCDI |
0 |
135 |
87 |
361 |
1194 |
9411 |
45906 |
14452 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62437 |
13473 |
71 |
66 |
40 |
1 |
0 |
0 |
| OW |
833 |
2587 |
373 |
507 |
165 |
35 |
5 |
0 |
| VODI |
2207 |
1348 |
573 |
1567 |
744 |
193 |
33 |
0 |
| ODI |
1394 |
567 |
243 |
1146 |
2005 |
846 |
141 |
0 |
| CDI |
0 |
626 |
307 |
1205 |
3840 |
7467 |
2633 |
0 |
| VCDI |
0 |
133 |
81 |
345 |
1087 |
9362 |
45671 |
14453 |
|
Date: 2024-06-03:
| 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 |
63328 |
13518 |
75 |
69 |
17 |
1 |
0 |
0 |
| OW |
853 |
3674 |
607 |
540 |
109 |
12 |
2 |
0 |
| VODI |
2341 |
1197 |
693 |
2174 |
1075 |
109 |
17 |
0 |
| ODI |
1236 |
230 |
168 |
1075 |
3652 |
1110 |
48 |
0 |
| CDI |
0 |
168 |
141 |
539 |
2714 |
8580 |
1772 |
0 |
| VCDI |
0 |
81 |
47 |
229 |
633 |
4722 |
48813 |
14441 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63324 |
12587 |
78 |
80 |
21 |
4 |
0 |
0 |
| OW |
842 |
3090 |
448 |
597 |
232 |
36 |
3 |
0 |
| VODI |
2245 |
1543 |
487 |
1272 |
845 |
144 |
33 |
0 |
| ODI |
1347 |
710 |
286 |
1079 |
1922 |
847 |
174 |
0 |
| CDI |
0 |
763 |
323 |
1209 |
4154 |
7094 |
3524 |
0 |
| VCDI |
0 |
175 |
109 |
389 |
1026 |
6409 |
46918 |
14441 |
|
Date: 2024-06-05:
| 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 |
63932 |
13714 |
127 |
90 |
17 |
0 |
0 |
0 |
| OW |
857 |
3717 |
484 |
547 |
146 |
23 |
2 |
0 |
| VODI |
2396 |
1489 |
767 |
2016 |
1017 |
123 |
33 |
0 |
| ODI |
1177 |
299 |
153 |
1257 |
2708 |
841 |
84 |
0 |
| CDI |
0 |
258 |
143 |
614 |
3702 |
7005 |
1982 |
0 |
| VCDI |
0 |
708 |
115 |
433 |
937 |
7931 |
47573 |
11393 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63928 |
12405 |
85 |
60 |
36 |
3 |
1 |
0 |
| OW |
849 |
3380 |
457 |
688 |
234 |
26 |
6 |
0 |
| VODI |
2294 |
1786 |
460 |
1153 |
807 |
152 |
44 |
0 |
| ODI |
1291 |
845 |
319 |
1130 |
1634 |
639 |
143 |
0 |
| CDI |
0 |
856 |
308 |
1370 |
4268 |
6397 |
4576 |
50 |
| VCDI |
0 |
913 |
160 |
556 |
1548 |
8706 |
44904 |
11343 |
|
Date: 2024-06-07:
| 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 |
64190 |
14583 |
121 |
148 |
21 |
1 |
0 |
0 |
| OW |
914 |
3730 |
425 |
538 |
132 |
33 |
5 |
0 |
| VODI |
2451 |
1713 |
705 |
1797 |
881 |
165 |
24 |
0 |
| ODI |
1102 |
502 |
273 |
1384 |
1910 |
712 |
128 |
0 |
| CDI |
0 |
555 |
201 |
900 |
4244 |
5476 |
1979 |
0 |
| VCDI |
0 |
369 |
144 |
478 |
1523 |
8421 |
42336 |
15596 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64121 |
12789 |
124 |
156 |
31 |
9 |
4 |
0 |
| OW |
959 |
3380 |
361 |
628 |
163 |
40 |
23 |
0 |
| VODI |
2343 |
2047 |
404 |
1112 |
778 |
192 |
87 |
0 |
| ODI |
1234 |
1165 |
355 |
1061 |
1107 |
528 |
311 |
2 |
| CDI |
0 |
1189 |
437 |
1720 |
4503 |
5178 |
4365 |
150 |
| VCDI |
0 |
882 |
188 |
568 |
2129 |
8861 |
39682 |
15444 |
|
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