Validation of sea ice concentration - Full domain
Bulletin date: 2021-07-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-07-16:
| 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 |
103710 |
19908 |
237 |
748 |
133 |
2 |
0 |
0 |
| OW |
5 |
830 |
208 |
1997 |
369 |
13 |
0 |
0 |
| VODI |
0 |
109 |
61 |
2378 |
2025 |
59 |
0 |
0 |
| ODI |
0 |
4 |
0 |
243 |
5727 |
3113 |
2 |
0 |
| CDI |
0 |
0 |
0 |
60 |
2931 |
17407 |
2696 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
140 |
14658 |
7262 |
13 |
|
...date precedes bulletin
|
Date: 2021-07-18:
| 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 |
104113 |
20227 |
203 |
821 |
109 |
0 |
0 |
0 |
| OW |
1 |
1039 |
222 |
2255 |
369 |
11 |
0 |
0 |
| VODI |
0 |
118 |
51 |
1946 |
2517 |
69 |
0 |
0 |
| ODI |
0 |
2 |
0 |
227 |
7106 |
2081 |
12 |
0 |
| CDI |
0 |
0 |
0 |
51 |
5021 |
15738 |
1930 |
0 |
| VCDI |
0 |
2 |
0 |
8 |
212 |
14192 |
6304 |
91 |
|
...date precedes bulletin
|
Date: 2021-07-20:
| 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 |
104979 |
20692 |
230 |
734 |
91 |
0 |
0 |
0 |
| OW |
0 |
669 |
229 |
1955 |
225 |
4 |
0 |
0 |
| VODI |
0 |
43 |
26 |
2178 |
1858 |
12 |
0 |
0 |
| ODI |
0 |
1 |
2 |
194 |
8388 |
1939 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
3464 |
17092 |
2283 |
0 |
| VCDI |
0 |
2 |
0 |
9 |
393 |
9762 |
9375 |
190 |
|
...date precedes bulletin
|
Date: 2021-07-22:
| 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 |
105304 |
21119 |
216 |
789 |
93 |
0 |
0 |
0 |
| OW |
0 |
1065 |
208 |
1606 |
197 |
0 |
0 |
0 |
| VODI |
0 |
113 |
58 |
2075 |
2270 |
13 |
0 |
0 |
| ODI |
0 |
6 |
2 |
300 |
7492 |
3154 |
0 |
0 |
| CDI |
0 |
1 |
0 |
45 |
2588 |
19615 |
1012 |
0 |
| VCDI |
0 |
2 |
0 |
19 |
563 |
14222 |
2901 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105304 |
21320 |
249 |
937 |
144 |
0 |
0 |
0 |
| OW |
0 |
817 |
164 |
1501 |
212 |
0 |
0 |
0 |
| VODI |
0 |
158 |
66 |
2012 |
2282 |
16 |
0 |
0 |
| ODI |
0 |
8 |
5 |
309 |
7143 |
3167 |
1 |
0 |
| CDI |
0 |
0 |
0 |
56 |
2856 |
19672 |
1050 |
0 |
| VCDI |
0 |
3 |
0 |
19 |
566 |
14149 |
2862 |
0 |
|
Date: 2021-07-24:
| 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 |
106990 |
20082 |
209 |
842 |
157 |
0 |
0 |
0 |
| OW |
0 |
1253 |
172 |
1431 |
291 |
1 |
0 |
0 |
| VODI |
0 |
225 |
80 |
1788 |
2794 |
76 |
0 |
0 |
| ODI |
0 |
19 |
7 |
397 |
7077 |
3774 |
0 |
0 |
| CDI |
0 |
0 |
0 |
45 |
2758 |
17738 |
1751 |
0 |
| VCDI |
0 |
0 |
0 |
59 |
385 |
9363 |
7055 |
229 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106990 |
20265 |
222 |
1033 |
205 |
0 |
0 |
0 |
| OW |
0 |
1030 |
157 |
1313 |
304 |
2 |
0 |
0 |
| VODI |
0 |
259 |
78 |
1701 |
2757 |
77 |
0 |
0 |
| ODI |
0 |
25 |
11 |
394 |
6814 |
3943 |
0 |
0 |
| CDI |
0 |
0 |
0 |
56 |
3013 |
17502 |
1721 |
0 |
| VCDI |
0 |
0 |
0 |
65 |
369 |
9428 |
7085 |
229 |
|
Date: 2021-07-26:
| 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 |
110248 |
18270 |
164 |
686 |
57 |
0 |
0 |
0 |
| OW |
9 |
922 |
243 |
1162 |
82 |
0 |
0 |
0 |
| VODI |
0 |
54 |
42 |
2614 |
1102 |
12 |
0 |
0 |
| ODI |
0 |
0 |
1 |
272 |
9560 |
1106 |
0 |
0 |
| CDI |
0 |
0 |
0 |
24 |
1838 |
19655 |
1930 |
0 |
| VCDI |
0 |
0 |
0 |
56 |
427 |
6418 |
9417 |
677 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
110249 |
17726 |
213 |
1207 |
144 |
0 |
0 |
0 |
| OW |
8 |
1119 |
129 |
1263 |
364 |
4 |
0 |
0 |
| VODI |
0 |
355 |
92 |
1727 |
3244 |
108 |
0 |
0 |
| ODI |
0 |
46 |
16 |
505 |
6132 |
4705 |
90 |
0 |
| CDI |
0 |
0 |
0 |
43 |
2714 |
14953 |
3315 |
2 |
| VCDI |
0 |
0 |
0 |
69 |
468 |
7421 |
7942 |
675 |
|
Date: 2021-07-28:
| 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 |
111773 |
17467 |
167 |
739 |
61 |
0 |
0 |
0 |
| OW |
3 |
940 |
227 |
1243 |
142 |
4 |
0 |
0 |
| VODI |
0 |
137 |
61 |
2794 |
1588 |
25 |
0 |
0 |
| ODI |
0 |
1 |
1 |
334 |
7462 |
2974 |
1 |
0 |
| CDI |
0 |
0 |
0 |
26 |
2310 |
17101 |
3666 |
0 |
| VCDI |
0 |
0 |
0 |
60 |
408 |
5409 |
9229 |
695 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111772 |
16859 |
212 |
1306 |
196 |
0 |
0 |
0 |
| OW |
4 |
1164 |
126 |
1338 |
583 |
7 |
0 |
0 |
| VODI |
0 |
464 |
98 |
1947 |
3364 |
315 |
0 |
0 |
| ODI |
0 |
58 |
19 |
468 |
4869 |
5677 |
417 |
0 |
| CDI |
0 |
0 |
1 |
63 |
2507 |
13300 |
4645 |
0 |
| VCDI |
0 |
0 |
0 |
74 |
452 |
6214 |
7834 |
695 |
|
Date: 2021-07-30:
| 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 |
112222 |
17624 |
159 |
751 |
43 |
0 |
0 |
0 |
| OW |
10 |
1217 |
192 |
1221 |
172 |
7 |
0 |
0 |
| VODI |
0 |
316 |
105 |
2573 |
1968 |
86 |
7 |
0 |
| ODI |
0 |
16 |
7 |
522 |
6964 |
3532 |
54 |
0 |
| CDI |
0 |
0 |
0 |
67 |
2347 |
16155 |
4705 |
1 |
| VCDI |
0 |
0 |
0 |
44 |
371 |
4643 |
7484 |
1463 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
112229 |
16912 |
216 |
1480 |
286 |
46 |
0 |
0 |
| OW |
3 |
1330 |
112 |
1449 |
712 |
109 |
7 |
0 |
| VODI |
0 |
779 |
91 |
1338 |
3273 |
977 |
40 |
0 |
| ODI |
0 |
152 |
43 |
624 |
4719 |
5360 |
399 |
0 |
| CDI |
0 |
0 |
1 |
232 |
2429 |
12904 |
5365 |
1 |
| VCDI |
0 |
0 |
0 |
55 |
446 |
5027 |
6439 |
1463 |
|
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