Validation of sea ice concentration
Bulletin date: 2020-04-16
Model vs. observations, sea ice class contingency tables
Date: 2020-04-10:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2020-04-14:
| 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 |
11665 |
6118 |
1063 |
696 |
456 |
256 |
90 |
0 |
| OW |
0 |
7 |
67 |
131 |
147 |
172 |
69 |
0 |
| VODI |
0 |
1 |
13 |
48 |
92 |
212 |
159 |
0 |
| ODI |
0 |
0 |
0 |
47 |
48 |
237 |
263 |
0 |
| CDI |
0 |
0 |
8 |
14 |
41 |
178 |
708 |
29 |
| VCDI |
0 |
0 |
0 |
8 |
27 |
160 |
7253 |
7676 |
|
...date precedes bulletin
|
Date: 2020-04-16:
| 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 |
11467 |
6113 |
1669 |
732 |
520 |
163 |
15 |
0 |
| OW |
0 |
0 |
109 |
120 |
164 |
109 |
40 |
0 |
| VODI |
0 |
0 |
26 |
133 |
202 |
222 |
128 |
5 |
| ODI |
0 |
0 |
2 |
68 |
130 |
228 |
298 |
13 |
| CDI |
0 |
0 |
4 |
38 |
79 |
233 |
861 |
48 |
| VCDI |
0 |
0 |
0 |
20 |
97 |
226 |
8472 |
5405 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11467 |
6113 |
1632 |
712 |
517 |
171 |
23 |
0 |
| OW |
0 |
0 |
141 |
130 |
158 |
101 |
47 |
0 |
| VODI |
0 |
0 |
30 |
137 |
192 |
189 |
114 |
2 |
| ODI |
0 |
0 |
2 |
75 |
138 |
209 |
301 |
19 |
| CDI |
0 |
0 |
5 |
40 |
95 |
287 |
805 |
45 |
| VCDI |
0 |
0 |
0 |
17 |
92 |
224 |
8524 |
5405 |
|
Date: 2020-04-20:
| 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 |
11625 |
6370 |
1544 |
605 |
369 |
169 |
29 |
0 |
| OW |
0 |
24 |
174 |
170 |
154 |
112 |
49 |
0 |
| VODI |
0 |
3 |
170 |
233 |
250 |
192 |
171 |
0 |
| ODI |
0 |
0 |
54 |
126 |
243 |
279 |
458 |
16 |
| CDI |
0 |
0 |
20 |
66 |
141 |
280 |
1505 |
35 |
| VCDI |
0 |
0 |
14 |
23 |
50 |
133 |
7335 |
4968 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11625 |
6393 |
1587 |
653 |
445 |
232 |
66 |
0 |
| OW |
0 |
4 |
166 |
177 |
142 |
83 |
69 |
0 |
| VODI |
0 |
0 |
114 |
152 |
185 |
159 |
171 |
0 |
| ODI |
0 |
0 |
56 |
106 |
168 |
206 |
365 |
0 |
| CDI |
0 |
0 |
27 |
90 |
178 |
288 |
1118 |
12 |
| VCDI |
0 |
0 |
26 |
45 |
89 |
197 |
7758 |
5007 |
|
Date: 2020-04-22:
| 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 |
11841 |
6232 |
1170 |
938 |
429 |
169 |
31 |
0 |
| OW |
0 |
26 |
135 |
236 |
212 |
129 |
87 |
0 |
| VODI |
0 |
4 |
69 |
217 |
193 |
189 |
218 |
0 |
| ODI |
0 |
8 |
16 |
143 |
182 |
201 |
424 |
1 |
| CDI |
0 |
0 |
2 |
102 |
166 |
347 |
1385 |
3 |
| VCDI |
0 |
0 |
0 |
70 |
105 |
292 |
7627 |
4560 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11841 |
6237 |
1125 |
948 |
473 |
193 |
70 |
0 |
| OW |
0 |
17 |
74 |
164 |
123 |
87 |
79 |
0 |
| VODI |
0 |
8 |
102 |
145 |
168 |
108 |
174 |
0 |
| ODI |
0 |
8 |
39 |
132 |
157 |
168 |
410 |
0 |
| CDI |
0 |
0 |
39 |
154 |
196 |
371 |
1151 |
2 |
| VCDI |
0 |
0 |
13 |
163 |
170 |
400 |
7888 |
4562 |
|
Date: 2020-04-24:
| 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 |
11897 |
6101 |
852 |
1259 |
464 |
153 |
37 |
0 |
| OW |
0 |
70 |
140 |
291 |
198 |
137 |
86 |
0 |
| VODI |
0 |
10 |
41 |
229 |
216 |
215 |
250 |
0 |
| ODI |
0 |
7 |
13 |
147 |
154 |
197 |
483 |
1 |
| CDI |
0 |
0 |
8 |
72 |
165 |
395 |
1301 |
11 |
| VCDI |
0 |
0 |
4 |
106 |
135 |
357 |
7282 |
4675 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11897 |
6106 |
764 |
1224 |
468 |
164 |
70 |
0 |
| OW |
0 |
40 |
77 |
158 |
139 |
80 |
79 |
0 |
| VODI |
0 |
34 |
83 |
136 |
150 |
114 |
166 |
0 |
| ODI |
0 |
8 |
35 |
101 |
110 |
132 |
392 |
0 |
| CDI |
0 |
0 |
52 |
141 |
179 |
431 |
1123 |
0 |
| VCDI |
0 |
0 |
47 |
344 |
286 |
533 |
7609 |
4687 |
|
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