Validation of sea ice concentration - American sector
Bulletin date: 2024-10-24
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-18:
| 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 |
31812 |
5250 |
161 |
268 |
27 |
0 |
0 |
0 |
| OW |
11 |
527 |
192 |
483 |
186 |
17 |
0 |
0 |
| VODI |
0 |
73 |
49 |
522 |
438 |
135 |
0 |
0 |
| ODI |
0 |
7 |
3 |
133 |
483 |
351 |
0 |
0 |
| CDI |
0 |
21 |
0 |
26 |
422 |
1238 |
150 |
0 |
| VCDI |
0 |
3 |
0 |
56 |
100 |
2877 |
8998 |
6212 |
|
...date precedes bulletin
|
Date: 2024-10-20:
| 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 |
31309 |
4997 |
61 |
83 |
4 |
0 |
0 |
0 |
| OW |
3 |
962 |
230 |
486 |
126 |
0 |
0 |
0 |
| VODI |
0 |
153 |
111 |
676 |
394 |
161 |
0 |
0 |
| ODI |
0 |
25 |
14 |
207 |
400 |
324 |
23 |
0 |
| CDI |
0 |
1 |
0 |
35 |
385 |
802 |
206 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
182 |
2906 |
7872 |
8076 |
|
...date precedes bulletin
|
Date: 2024-10-22:
| 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 |
31783 |
4907 |
127 |
113 |
4 |
0 |
0 |
0 |
| OW |
7 |
1159 |
314 |
393 |
36 |
0 |
0 |
0 |
| VODI |
1 |
27 |
95 |
698 |
262 |
0 |
0 |
0 |
| ODI |
0 |
0 |
11 |
214 |
599 |
15 |
0 |
0 |
| CDI |
0 |
0 |
0 |
39 |
1176 |
194 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
850 |
2788 |
7157 |
8262 |
|
...date precedes bulletin
|
Date: 2024-10-24:
| 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 |
29856 |
5606 |
241 |
259 |
45 |
0 |
0 |
0 |
| OW |
33 |
655 |
232 |
554 |
213 |
0 |
0 |
0 |
| VODI |
2 |
53 |
49 |
512 |
546 |
45 |
0 |
0 |
| ODI |
0 |
5 |
5 |
173 |
588 |
219 |
0 |
0 |
| CDI |
0 |
0 |
0 |
55 |
394 |
1028 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
115 |
3400 |
8010 |
8329 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
29867 |
5738 |
260 |
341 |
67 |
0 |
0 |
0 |
| OW |
22 |
534 |
219 |
445 |
205 |
0 |
0 |
0 |
| VODI |
2 |
43 |
44 |
560 |
545 |
30 |
0 |
0 |
| ODI |
0 |
4 |
4 |
156 |
585 |
263 |
0 |
0 |
| CDI |
0 |
0 |
0 |
51 |
369 |
1056 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
130 |
3343 |
7997 |
8329 |
|
Date: 2024-10-26:
| 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 |
27775 |
6132 |
130 |
265 |
4 |
2 |
0 |
0 |
| OW |
0 |
711 |
246 |
515 |
286 |
52 |
0 |
0 |
| VODI |
3 |
84 |
101 |
479 |
588 |
203 |
0 |
0 |
| ODI |
0 |
6 |
9 |
160 |
528 |
386 |
19 |
0 |
| CDI |
0 |
0 |
0 |
54 |
320 |
1089 |
302 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
52 |
1593 |
8867 |
10259 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
27774 |
6276 |
187 |
364 |
70 |
2 |
0 |
0 |
| OW |
1 |
581 |
193 |
424 |
306 |
61 |
0 |
0 |
| VODI |
3 |
74 |
101 |
474 |
536 |
194 |
0 |
0 |
| ODI |
0 |
2 |
5 |
163 |
487 |
449 |
10 |
0 |
| CDI |
0 |
0 |
0 |
48 |
317 |
1097 |
405 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
62 |
1522 |
8773 |
10263 |
|
Date: 2024-10-28:
| 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 |
27782 |
5290 |
166 |
59 |
3 |
0 |
0 |
0 |
| OW |
4 |
466 |
295 |
441 |
19 |
1 |
0 |
0 |
| VODI |
3 |
7 |
55 |
853 |
259 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
117 |
956 |
485 |
14 |
0 |
| CDI |
0 |
0 |
0 |
5 |
425 |
1315 |
280 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
1300 |
8402 |
12209 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
27769 |
4810 |
186 |
201 |
43 |
0 |
0 |
0 |
| OW |
17 |
819 |
218 |
444 |
145 |
76 |
0 |
0 |
| VODI |
3 |
132 |
107 |
616 |
515 |
317 |
0 |
0 |
| ODI |
0 |
2 |
5 |
177 |
509 |
525 |
3 |
0 |
| CDI |
0 |
0 |
0 |
34 |
333 |
751 |
271 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
123 |
1446 |
8422 |
12209 |
|
Date: 2024-10-30:
| 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 |
26821 |
5089 |
257 |
232 |
1 |
0 |
0 |
0 |
| OW |
9 |
450 |
227 |
608 |
57 |
0 |
0 |
0 |
| VODI |
3 |
41 |
29 |
688 |
350 |
10 |
6 |
0 |
| ODI |
0 |
0 |
4 |
154 |
663 |
131 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
672 |
995 |
202 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
1567 |
9027 |
12905 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26812 |
4417 |
239 |
359 |
46 |
0 |
0 |
0 |
| OW |
18 |
1005 |
150 |
411 |
160 |
0 |
1 |
0 |
| VODI |
3 |
155 |
113 |
613 |
461 |
180 |
5 |
0 |
| ODI |
0 |
3 |
13 |
244 |
631 |
445 |
17 |
0 |
| CDI |
0 |
0 |
2 |
51 |
378 |
878 |
232 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
83 |
1200 |
8980 |
12905 |
|
Date: 2024-11-01:
| 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 |
25581 |
5132 |
404 |
444 |
53 |
0 |
0 |
0 |
| OW |
6 |
390 |
180 |
684 |
163 |
5 |
0 |
0 |
| VODI |
3 |
55 |
68 |
524 |
534 |
76 |
3 |
0 |
| ODI |
0 |
6 |
5 |
104 |
515 |
191 |
9 |
0 |
| CDI |
0 |
6 |
8 |
26 |
538 |
529 |
201 |
0 |
| VCDI |
0 |
1 |
0 |
9 |
128 |
2011 |
10470 |
12169 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25583 |
4765 |
350 |
625 |
88 |
0 |
0 |
0 |
| OW |
4 |
557 |
138 |
439 |
220 |
11 |
0 |
0 |
| VODI |
3 |
228 |
132 |
414 |
536 |
186 |
18 |
0 |
| ODI |
0 |
24 |
29 |
226 |
451 |
357 |
74 |
0 |
| CDI |
0 |
7 |
6 |
60 |
479 |
748 |
378 |
0 |
| VCDI |
0 |
9 |
10 |
27 |
157 |
1510 |
10213 |
12169 |
|
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