Validation of sea ice concentration
Bulletin date: 2020-05-07
Model vs. observations, sea ice class contingency tables
Date: 2020-05-01:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2020-05-05:
| 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 |
12370 |
5949 |
1218 |
990 |
563 |
284 |
45 |
0 |
| OW |
11 |
0 |
87 |
150 |
178 |
184 |
61 |
0 |
| VODI |
5 |
0 |
24 |
156 |
253 |
314 |
203 |
3 |
| ODI |
0 |
0 |
5 |
162 |
185 |
381 |
674 |
9 |
| CDI |
0 |
0 |
1 |
39 |
90 |
332 |
1608 |
20 |
| VCDI |
0 |
0 |
0 |
12 |
32 |
154 |
6768 |
4639 |
|
...date precedes bulletin
|
Date: 2020-05-07:
| 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 |
12354 |
5844 |
1454 |
987 |
705 |
227 |
40 |
0 |
| OW |
12 |
0 |
95 |
167 |
242 |
163 |
61 |
0 |
| VODI |
0 |
0 |
25 |
208 |
269 |
382 |
178 |
0 |
| ODI |
0 |
0 |
7 |
90 |
218 |
620 |
339 |
3 |
| CDI |
0 |
0 |
2 |
67 |
108 |
455 |
1217 |
3 |
| VCDI |
0 |
0 |
0 |
28 |
28 |
235 |
6961 |
4365 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12361 |
5841 |
1472 |
1016 |
755 |
261 |
64 |
0 |
| OW |
5 |
3 |
76 |
162 |
195 |
139 |
53 |
0 |
| VODI |
0 |
0 |
27 |
175 |
247 |
357 |
170 |
0 |
| ODI |
0 |
0 |
8 |
96 |
226 |
530 |
278 |
2 |
| CDI |
0 |
0 |
0 |
70 |
114 |
511 |
1154 |
4 |
| VCDI |
0 |
0 |
0 |
28 |
33 |
284 |
7077 |
4365 |
|
Date: 2020-05-11:
| 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 |
12266 |
6459 |
1159 |
1068 |
567 |
51 |
44 |
0 |
| OW |
0 |
17 |
133 |
209 |
184 |
72 |
37 |
0 |
| VODI |
0 |
3 |
89 |
247 |
387 |
222 |
140 |
0 |
| ODI |
0 |
0 |
21 |
132 |
334 |
612 |
418 |
3 |
| CDI |
0 |
0 |
14 |
52 |
164 |
475 |
1668 |
8 |
| VCDI |
0 |
0 |
8 |
27 |
127 |
480 |
5759 |
4503 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12266 |
6469 |
1174 |
1174 |
656 |
157 |
75 |
0 |
| OW |
0 |
9 |
74 |
115 |
202 |
95 |
80 |
0 |
| VODI |
0 |
1 |
67 |
189 |
332 |
302 |
194 |
0 |
| ODI |
0 |
0 |
61 |
119 |
217 |
316 |
359 |
3 |
| CDI |
0 |
0 |
34 |
78 |
142 |
390 |
1115 |
7 |
| VCDI |
0 |
0 |
14 |
60 |
214 |
652 |
6243 |
4504 |
|
Date: 2020-05-13:
| 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 |
12100 |
6516 |
1040 |
1703 |
462 |
90 |
59 |
0 |
| OW |
0 |
5 |
88 |
336 |
250 |
148 |
109 |
0 |
| VODI |
0 |
3 |
51 |
209 |
324 |
364 |
253 |
3 |
| ODI |
0 |
0 |
38 |
86 |
268 |
473 |
412 |
4 |
| CDI |
0 |
0 |
18 |
79 |
242 |
589 |
1159 |
5 |
| VCDI |
0 |
0 |
9 |
53 |
147 |
457 |
5635 |
4372 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12100 |
6518 |
1029 |
1756 |
570 |
226 |
114 |
0 |
| OW |
0 |
5 |
58 |
206 |
171 |
145 |
111 |
0 |
| VODI |
0 |
1 |
47 |
226 |
296 |
351 |
248 |
0 |
| ODI |
0 |
0 |
38 |
125 |
229 |
304 |
364 |
6 |
| CDI |
0 |
0 |
36 |
74 |
265 |
483 |
921 |
9 |
| VCDI |
0 |
0 |
36 |
79 |
162 |
612 |
5869 |
4369 |
|
Date: 2020-05-15:
| 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 |
12179 |
6513 |
1494 |
1605 |
633 |
176 |
117 |
0 |
| OW |
0 |
4 |
162 |
338 |
239 |
232 |
102 |
0 |
| VODI |
0 |
0 |
83 |
264 |
334 |
332 |
290 |
7 |
| ODI |
0 |
0 |
52 |
127 |
217 |
289 |
366 |
7 |
| CDI |
0 |
0 |
41 |
113 |
214 |
554 |
836 |
6 |
| VCDI |
0 |
0 |
32 |
78 |
186 |
313 |
5484 |
4140 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12179 |
6506 |
1477 |
1598 |
669 |
358 |
162 |
0 |
| OW |
0 |
9 |
106 |
209 |
166 |
117 |
118 |
0 |
| VODI |
0 |
2 |
118 |
288 |
270 |
228 |
298 |
4 |
| ODI |
0 |
0 |
52 |
169 |
238 |
188 |
317 |
8 |
| CDI |
0 |
0 |
49 |
157 |
255 |
531 |
710 |
4 |
| VCDI |
0 |
0 |
62 |
104 |
225 |
474 |
5590 |
4144 |
|
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