Validation of sea ice concentration - American sector
Bulletin date: 2020-04-16
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-04-10:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
8 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
29 |
89 |
10 |
2 |
0 |
| ODI |
0 |
0 |
0 |
4 |
151 |
57 |
2 |
0 |
| CDI |
0 |
0 |
0 |
18 |
192 |
234 |
54 |
29 |
| VCDI |
0 |
0 |
0 |
10 |
393 |
1617 |
8415 |
34549 |
|
...date precedes bulletin
|
Date: 2020-04-12:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
96 |
27 |
7 |
0 |
| ODI |
0 |
0 |
0 |
1 |
108 |
66 |
30 |
0 |
| CDI |
0 |
0 |
0 |
9 |
177 |
303 |
102 |
50 |
| VCDI |
0 |
0 |
0 |
11 |
386 |
2201 |
8757 |
33532 |
|
...date precedes bulletin
|
Date: 2020-04-14:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
11 |
18 |
10 |
0 |
| ODI |
0 |
0 |
0 |
10 |
132 |
130 |
42 |
2 |
| CDI |
0 |
0 |
0 |
6 |
190 |
634 |
211 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
231 |
1969 |
9335 |
32926 |
|
...date precedes bulletin
|
Date: 2020-04-16:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
10 |
13 |
17 |
11 |
0 |
| ODI |
0 |
0 |
0 |
32 |
89 |
131 |
37 |
0 |
| CDI |
0 |
0 |
0 |
33 |
77 |
609 |
245 |
37 |
| VCDI |
0 |
0 |
0 |
27 |
251 |
1855 |
9921 |
32471 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
10 |
16 |
16 |
19 |
0 |
| ODI |
0 |
0 |
0 |
37 |
73 |
167 |
31 |
0 |
| CDI |
0 |
0 |
0 |
37 |
104 |
594 |
268 |
39 |
| VCDI |
0 |
0 |
0 |
18 |
237 |
1832 |
9896 |
32469 |
|
Date: 2020-04-18:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
15 |
23 |
0 |
| ODI |
0 |
0 |
0 |
15 |
36 |
95 |
34 |
0 |
| CDI |
0 |
0 |
0 |
17 |
114 |
355 |
190 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
239 |
1606 |
9206 |
33907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
16 |
30 |
0 |
| ODI |
0 |
0 |
0 |
16 |
33 |
114 |
45 |
0 |
| CDI |
0 |
0 |
0 |
16 |
134 |
361 |
219 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
222 |
1580 |
9157 |
33907 |
|
Date: 2020-04-20:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
| VODI |
0 |
0 |
0 |
0 |
12 |
0 |
7 |
0 |
| ODI |
0 |
0 |
0 |
0 |
51 |
85 |
32 |
0 |
| CDI |
0 |
0 |
0 |
0 |
59 |
546 |
274 |
19 |
| VCDI |
0 |
0 |
0 |
0 |
54 |
1093 |
8279 |
35354 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
1 |
9 |
0 |
| ODI |
0 |
0 |
0 |
0 |
12 |
44 |
29 |
0 |
| CDI |
0 |
0 |
0 |
0 |
69 |
284 |
196 |
22 |
| VCDI |
0 |
0 |
0 |
0 |
95 |
1395 |
8357 |
35351 |
|
Date: 2020-04-22:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
19 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
81 |
31 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
121 |
288 |
122 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
63 |
1301 |
9208 |
34615 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
1 |
16 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
90 |
222 |
118 |
37 |
| VCDI |
0 |
0 |
0 |
0 |
193 |
1382 |
9214 |
34590 |
|
Date: 2020-04-24:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
15 |
54 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
46 |
58 |
33 |
9 |
0 |
| CDI |
0 |
0 |
0 |
45 |
74 |
189 |
109 |
16 |
| VCDI |
0 |
0 |
0 |
15 |
207 |
1446 |
9090 |
34455 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
| ODI |
0 |
0 |
0 |
1 |
7 |
13 |
15 |
14 |
| CDI |
0 |
0 |
0 |
24 |
99 |
110 |
262 |
126 |
| VCDI |
0 |
0 |
0 |
96 |
287 |
1550 |
8929 |
34331 |
|
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