Validation of sea ice concentration
Bulletin date: 2020-05-28
Model vs. observations, sea ice class contingency tables
Date: 2020-05-22:
| 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 |
13771 |
6424 |
1449 |
1890 |
594 |
166 |
132 |
1 |
| OW |
0 |
5 |
73 |
286 |
317 |
164 |
107 |
11 |
| VODI |
0 |
0 |
43 |
129 |
261 |
377 |
332 |
3 |
| ODI |
0 |
0 |
30 |
78 |
93 |
231 |
587 |
1 |
| CDI |
0 |
0 |
22 |
86 |
133 |
323 |
2325 |
0 |
| VCDI |
0 |
0 |
7 |
6 |
17 |
199 |
3996 |
3490 |
|
...date precedes bulletin
|
Date: 2020-05-26:
| 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 |
13787 |
6611 |
2154 |
1096 |
903 |
243 |
150 |
0 |
| OW |
0 |
0 |
75 |
145 |
230 |
132 |
141 |
13 |
| VODI |
0 |
0 |
22 |
93 |
234 |
291 |
293 |
2 |
| ODI |
0 |
0 |
6 |
36 |
88 |
310 |
918 |
1 |
| CDI |
0 |
0 |
2 |
23 |
52 |
234 |
2567 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
11 |
29 |
2991 |
4264 |
|
...date precedes bulletin
|
Date: 2020-05-28:
| 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 |
14461 |
6617 |
1699 |
1434 |
735 |
178 |
128 |
5 |
| OW |
0 |
14 |
42 |
171 |
267 |
169 |
147 |
7 |
| VODI |
0 |
5 |
18 |
109 |
218 |
331 |
477 |
3 |
| ODI |
0 |
0 |
3 |
67 |
89 |
215 |
1095 |
1 |
| CDI |
0 |
0 |
0 |
43 |
100 |
183 |
2586 |
3 |
| VCDI |
0 |
0 |
0 |
9 |
6 |
10 |
2325 |
4189 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14461 |
6619 |
1688 |
1448 |
793 |
199 |
140 |
7 |
| OW |
0 |
13 |
49 |
152 |
218 |
177 |
118 |
5 |
| VODI |
0 |
4 |
22 |
119 |
206 |
312 |
502 |
3 |
| ODI |
0 |
0 |
3 |
61 |
90 |
192 |
1073 |
1 |
| CDI |
0 |
0 |
0 |
43 |
102 |
194 |
2520 |
4 |
| VCDI |
0 |
0 |
0 |
10 |
6 |
12 |
2405 |
4188 |
|
Date: 2020-06-01:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2020-06-03:
| 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 |
14572 |
6523 |
1944 |
1274 |
711 |
308 |
147 |
12 |
| OW |
0 |
5 |
78 |
213 |
206 |
170 |
124 |
0 |
| VODI |
0 |
0 |
29 |
170 |
189 |
376 |
348 |
6 |
| ODI |
0 |
0 |
11 |
64 |
103 |
278 |
1025 |
3 |
| CDI |
0 |
0 |
1 |
18 |
66 |
200 |
2383 |
7 |
| VCDI |
0 |
0 |
0 |
3 |
2 |
10 |
2301 |
4279 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14572 |
6522 |
1980 |
1346 |
856 |
506 |
255 |
12 |
| OW |
0 |
6 |
47 |
181 |
166 |
275 |
377 |
0 |
| VODI |
0 |
0 |
31 |
119 |
115 |
259 |
1146 |
10 |
| ODI |
0 |
0 |
5 |
62 |
66 |
126 |
1077 |
4 |
| CDI |
0 |
0 |
0 |
33 |
72 |
168 |
1925 |
4 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
8 |
1548 |
4277 |
|
Date: 2020-06-05:
| 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 |
14437 |
6584 |
2082 |
1295 |
711 |
325 |
121 |
12 |
| OW |
0 |
5 |
59 |
240 |
261 |
229 |
119 |
0 |
| VODI |
0 |
0 |
33 |
140 |
254 |
499 |
482 |
4 |
| ODI |
0 |
0 |
9 |
37 |
105 |
230 |
1179 |
4 |
| CDI |
0 |
0 |
0 |
7 |
48 |
122 |
2045 |
10 |
| VCDI |
0 |
0 |
0 |
3 |
5 |
18 |
1977 |
4468 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14437 |
6579 |
2124 |
1410 |
912 |
646 |
292 |
12 |
| OW |
0 |
7 |
29 |
161 |
186 |
261 |
528 |
0 |
| VODI |
0 |
3 |
22 |
100 |
137 |
270 |
1180 |
10 |
| ODI |
0 |
0 |
8 |
41 |
97 |
115 |
939 |
9 |
| CDI |
0 |
0 |
0 |
9 |
50 |
130 |
1802 |
13 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
1 |
1182 |
4454 |
|
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