Validation of sea ice concentration - American sector
Bulletin date: 2022-06-02
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-05-27:
| 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 |
0 |
130 |
10 |
212 |
54 |
3 |
3 |
0 |
| OW |
0 |
102 |
7 |
291 |
332 |
7 |
2 |
0 |
| VODI |
0 |
42 |
1 |
160 |
777 |
142 |
1 |
0 |
| ODI |
0 |
58 |
3 |
76 |
612 |
233 |
14 |
0 |
| CDI |
0 |
108 |
17 |
137 |
981 |
1012 |
186 |
2 |
| VCDI |
0 |
89 |
16 |
284 |
778 |
3519 |
14996 |
20469 |
|
...date precedes bulletin
|
Date: 2022-05-29:
| 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 |
0 |
94 |
4 |
406 |
58 |
11 |
1 |
0 |
| OW |
0 |
76 |
4 |
322 |
554 |
6 |
1 |
0 |
| VODI |
0 |
41 |
1 |
145 |
740 |
106 |
0 |
0 |
| ODI |
0 |
47 |
3 |
38 |
675 |
171 |
7 |
0 |
| CDI |
0 |
112 |
10 |
98 |
1058 |
1121 |
260 |
4 |
| VCDI |
0 |
83 |
22 |
320 |
739 |
3311 |
15208 |
20009 |
|
...date precedes bulletin
|
Date: 2022-05-31:
| 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 |
0 |
186 |
4 |
322 |
106 |
7 |
0 |
0 |
| OW |
0 |
68 |
6 |
376 |
405 |
2 |
0 |
0 |
| VODI |
0 |
47 |
5 |
223 |
1238 |
8 |
0 |
0 |
| ODI |
0 |
35 |
3 |
75 |
979 |
218 |
0 |
0 |
| CDI |
0 |
78 |
11 |
195 |
817 |
1603 |
337 |
11 |
| VCDI |
0 |
42 |
7 |
155 |
504 |
4302 |
16825 |
16666 |
|
...date precedes bulletin
|
Date: 2022-06-02:
| 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 |
0 |
296 |
16 |
424 |
203 |
6 |
0 |
0 |
| OW |
0 |
86 |
13 |
543 |
630 |
4 |
0 |
0 |
| VODI |
0 |
40 |
3 |
269 |
1146 |
29 |
0 |
0 |
| ODI |
0 |
37 |
3 |
123 |
641 |
231 |
7 |
0 |
| CDI |
0 |
93 |
13 |
261 |
1542 |
1608 |
133 |
16 |
| VCDI |
0 |
37 |
8 |
160 |
998 |
7293 |
16954 |
12000 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
305 |
20 |
481 |
389 |
6 |
0 |
0 |
| OW |
0 |
84 |
9 |
447 |
627 |
4 |
0 |
0 |
| VODI |
0 |
39 |
3 |
320 |
971 |
56 |
0 |
0 |
| ODI |
0 |
34 |
3 |
117 |
582 |
199 |
6 |
0 |
| CDI |
0 |
88 |
13 |
278 |
1565 |
1622 |
117 |
16 |
| VCDI |
0 |
39 |
8 |
137 |
1026 |
7284 |
16971 |
12000 |
|
Date: 2022-06-04:
| 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 |
0 |
536 |
47 |
849 |
305 |
2 |
0 |
0 |
| OW |
0 |
109 |
15 |
474 |
804 |
6 |
0 |
0 |
| VODI |
0 |
57 |
5 |
279 |
600 |
40 |
2 |
0 |
| ODI |
0 |
51 |
10 |
196 |
564 |
206 |
10 |
0 |
| CDI |
0 |
133 |
16 |
302 |
1457 |
1652 |
620 |
12 |
| VCDI |
0 |
54 |
8 |
97 |
567 |
7622 |
15813 |
12346 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
534 |
46 |
868 |
642 |
4 |
0 |
0 |
| OW |
0 |
110 |
11 |
434 |
481 |
3 |
0 |
0 |
| VODI |
0 |
62 |
11 |
288 |
578 |
38 |
1 |
0 |
| ODI |
0 |
59 |
9 |
207 |
529 |
210 |
8 |
0 |
| CDI |
0 |
122 |
16 |
309 |
1477 |
1696 |
710 |
12 |
| VCDI |
0 |
53 |
8 |
91 |
590 |
7577 |
15726 |
12346 |
|
Date: 2022-06-06:
| 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 |
0 |
737 |
65 |
1080 |
364 |
15 |
0 |
0 |
| OW |
0 |
110 |
13 |
421 |
401 |
5 |
0 |
0 |
| VODI |
0 |
95 |
9 |
452 |
763 |
4 |
0 |
0 |
| ODI |
0 |
74 |
6 |
232 |
989 |
194 |
3 |
0 |
| CDI |
0 |
147 |
22 |
226 |
1267 |
2935 |
187 |
3 |
| VCDI |
0 |
0 |
0 |
28 |
454 |
4464 |
17718 |
12383 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
630 |
62 |
1255 |
729 |
19 |
0 |
0 |
| OW |
0 |
93 |
7 |
307 |
379 |
3 |
0 |
0 |
| VODI |
0 |
127 |
13 |
259 |
545 |
73 |
0 |
0 |
| ODI |
0 |
85 |
6 |
184 |
554 |
229 |
9 |
1 |
| CDI |
0 |
171 |
20 |
362 |
1411 |
2492 |
753 |
14 |
| VCDI |
0 |
57 |
7 |
72 |
620 |
4801 |
17146 |
12371 |
|
Date: 2022-06-08:
| 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 |
0 |
1191 |
63 |
1202 |
515 |
4 |
0 |
0 |
| OW |
0 |
214 |
16 |
518 |
436 |
1 |
0 |
0 |
| VODI |
0 |
115 |
7 |
269 |
664 |
15 |
0 |
0 |
| ODI |
0 |
121 |
5 |
160 |
768 |
241 |
1 |
0 |
| CDI |
0 |
147 |
17 |
221 |
1196 |
2249 |
272 |
2 |
| VCDI |
0 |
34 |
9 |
69 |
497 |
4451 |
19564 |
10612 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1004 |
58 |
1357 |
700 |
4 |
0 |
0 |
| OW |
0 |
198 |
10 |
221 |
345 |
2 |
0 |
0 |
| VODI |
0 |
206 |
13 |
278 |
543 |
60 |
0 |
0 |
| ODI |
0 |
123 |
5 |
162 |
551 |
233 |
5 |
0 |
| CDI |
0 |
228 |
22 |
352 |
1391 |
2242 |
857 |
6 |
| VCDI |
0 |
63 |
9 |
69 |
546 |
4420 |
18975 |
10608 |
|
Date: 2022-06-10:
| 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 |
0 |
1765 |
122 |
1271 |
457 |
3 |
0 |
0 |
| OW |
0 |
156 |
11 |
514 |
458 |
0 |
0 |
0 |
| VODI |
0 |
112 |
5 |
169 |
719 |
61 |
0 |
0 |
| ODI |
0 |
94 |
2 |
111 |
674 |
373 |
1 |
0 |
| CDI |
0 |
128 |
14 |
177 |
1149 |
1505 |
418 |
13 |
| VCDI |
0 |
93 |
15 |
108 |
585 |
5256 |
17416 |
11911 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1534 |
109 |
1292 |
620 |
2 |
0 |
0 |
| OW |
0 |
286 |
16 |
234 |
272 |
17 |
0 |
0 |
| VODI |
0 |
155 |
11 |
292 |
587 |
78 |
0 |
0 |
| ODI |
0 |
124 |
4 |
144 |
536 |
301 |
3 |
0 |
| CDI |
0 |
148 |
12 |
272 |
1437 |
1757 |
1014 |
18 |
| VCDI |
0 |
101 |
17 |
116 |
590 |
5043 |
16818 |
11906 |
|
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