Validation of sea ice concentration - American sector
Bulletin date: 2022-07-14
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-08:
| 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 |
3792 |
6520 |
127 |
782 |
176 |
19 |
0 |
0 |
| OW |
4 |
175 |
26 |
785 |
260 |
10 |
0 |
0 |
| VODI |
0 |
134 |
22 |
765 |
991 |
49 |
0 |
0 |
| ODI |
0 |
57 |
12 |
377 |
1368 |
148 |
0 |
0 |
| CDI |
0 |
140 |
13 |
466 |
4131 |
2894 |
39 |
0 |
| VCDI |
0 |
35 |
0 |
56 |
1413 |
17519 |
2518 |
43 |
|
...date precedes bulletin
|
Date: 2022-07-10:
| 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 |
3879 |
6902 |
133 |
795 |
219 |
7 |
0 |
0 |
| OW |
3 |
223 |
37 |
902 |
300 |
5 |
0 |
0 |
| VODI |
0 |
125 |
19 |
841 |
1102 |
10 |
0 |
0 |
| ODI |
0 |
16 |
9 |
385 |
873 |
160 |
0 |
0 |
| CDI |
0 |
153 |
16 |
415 |
3752 |
3417 |
2 |
0 |
| VCDI |
0 |
1 |
0 |
5 |
1146 |
12683 |
7168 |
163 |
|
...date precedes bulletin
|
Date: 2022-07-12:
| 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 |
4272 |
6946 |
123 |
776 |
212 |
0 |
0 |
0 |
| OW |
5 |
246 |
69 |
729 |
239 |
2 |
0 |
0 |
| VODI |
4 |
48 |
13 |
1198 |
957 |
8 |
0 |
0 |
| ODI |
2 |
89 |
16 |
480 |
1616 |
117 |
0 |
0 |
| CDI |
0 |
85 |
8 |
49 |
3204 |
4611 |
29 |
0 |
| VCDI |
0 |
8 |
0 |
23 |
771 |
11634 |
7277 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-14:
| 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 |
5154 |
6342 |
113 |
748 |
225 |
0 |
0 |
0 |
| OW |
3 |
479 |
71 |
828 |
194 |
0 |
0 |
0 |
| VODI |
5 |
214 |
29 |
1267 |
554 |
3 |
0 |
0 |
| ODI |
0 |
67 |
16 |
396 |
1387 |
180 |
0 |
0 |
| CDI |
45 |
126 |
5 |
123 |
3165 |
4575 |
310 |
0 |
| VCDI |
43 |
271 |
1 |
59 |
588 |
6852 |
8420 |
3008 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5154 |
6347 |
111 |
745 |
234 |
0 |
0 |
0 |
| OW |
3 |
442 |
63 |
762 |
174 |
0 |
0 |
0 |
| VODI |
5 |
246 |
38 |
1318 |
580 |
8 |
0 |
0 |
| ODI |
0 |
74 |
17 |
420 |
1413 |
121 |
0 |
0 |
| CDI |
25 |
134 |
5 |
110 |
3047 |
4484 |
301 |
0 |
| VCDI |
63 |
256 |
1 |
66 |
665 |
6997 |
8429 |
3008 |
|
Date: 2022-07-16:
| 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 |
5279 |
6543 |
113 |
878 |
255 |
0 |
0 |
0 |
| OW |
2 |
337 |
61 |
987 |
306 |
0 |
0 |
0 |
| VODI |
0 |
54 |
28 |
1065 |
485 |
10 |
0 |
0 |
| ODI |
0 |
74 |
9 |
307 |
1255 |
252 |
0 |
0 |
| CDI |
0 |
147 |
6 |
128 |
2650 |
6250 |
437 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
937 |
9405 |
7112 |
476 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5279 |
6481 |
116 |
903 |
295 |
0 |
0 |
0 |
| OW |
2 |
364 |
49 |
938 |
233 |
0 |
0 |
0 |
| VODI |
0 |
83 |
35 |
1086 |
551 |
16 |
0 |
0 |
| ODI |
0 |
82 |
12 |
316 |
1220 |
231 |
0 |
0 |
| CDI |
0 |
145 |
5 |
112 |
2531 |
6427 |
458 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
1058 |
9243 |
7091 |
476 |
|
Date: 2022-07-18:
| 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 |
5233 |
7210 |
132 |
1077 |
179 |
0 |
0 |
0 |
| OW |
1 |
295 |
53 |
800 |
212 |
0 |
0 |
0 |
| VODI |
0 |
111 |
30 |
1452 |
366 |
5 |
0 |
0 |
| ODI |
0 |
119 |
4 |
226 |
2872 |
131 |
0 |
0 |
| CDI |
0 |
35 |
0 |
1 |
3517 |
5974 |
73 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
403 |
7667 |
7527 |
157 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5233 |
6857 |
130 |
1308 |
268 |
0 |
0 |
0 |
| OW |
1 |
368 |
42 |
841 |
179 |
5 |
0 |
0 |
| VODI |
0 |
197 |
28 |
926 |
333 |
14 |
0 |
0 |
| ODI |
0 |
245 |
14 |
400 |
1286 |
174 |
14 |
0 |
| CDI |
0 |
103 |
5 |
81 |
4324 |
5217 |
59 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
1159 |
8367 |
7527 |
157 |
|
Date: 2022-07-20:
| 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 |
5507 |
7600 |
142 |
1229 |
165 |
0 |
0 |
0 |
| OW |
1 |
399 |
66 |
732 |
93 |
2 |
0 |
0 |
| VODI |
0 |
137 |
19 |
1176 |
572 |
1 |
0 |
0 |
| ODI |
0 |
113 |
4 |
220 |
2535 |
278 |
0 |
0 |
| CDI |
0 |
21 |
0 |
7 |
3050 |
5527 |
846 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
703 |
5893 |
7244 |
1579 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5507 |
7127 |
136 |
1425 |
206 |
0 |
0 |
0 |
| OW |
1 |
494 |
45 |
537 |
103 |
4 |
0 |
0 |
| VODI |
0 |
304 |
35 |
819 |
278 |
23 |
0 |
0 |
| ODI |
0 |
237 |
15 |
447 |
1329 |
230 |
0 |
0 |
| CDI |
0 |
108 |
0 |
135 |
4053 |
4739 |
748 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
1149 |
6705 |
7342 |
1579 |
|
Date: 2022-07-22:
| 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 |
6170 |
7551 |
128 |
1066 |
197 |
0 |
0 |
0 |
| OW |
0 |
493 |
78 |
608 |
113 |
0 |
0 |
0 |
| VODI |
0 |
169 |
22 |
1229 |
385 |
0 |
0 |
0 |
| ODI |
0 |
110 |
4 |
404 |
2163 |
361 |
2 |
0 |
| CDI |
0 |
5 |
0 |
64 |
3161 |
5619 |
708 |
46 |
| VCDI |
0 |
0 |
0 |
5 |
694 |
7281 |
6455 |
575 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6170 |
7094 |
137 |
1161 |
236 |
0 |
0 |
0 |
| OW |
0 |
465 |
34 |
284 |
109 |
0 |
0 |
0 |
| VODI |
0 |
389 |
41 |
760 |
258 |
26 |
1 |
0 |
| ODI |
0 |
278 |
18 |
733 |
961 |
287 |
14 |
0 |
| CDI |
0 |
102 |
2 |
429 |
4100 |
4917 |
593 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
1049 |
8031 |
6557 |
621 |
|
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