Validation of sea ice concentration
Bulletin date: 2023-07-27
Model vs. observations, sea ice class contingency tables
Date: 2023-07-21:
| 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 |
19707 |
6322 |
1325 |
891 |
300 |
78 |
70 |
0 |
| OW |
0 |
1 |
57 |
162 |
149 |
60 |
24 |
0 |
| VODI |
0 |
0 |
25 |
227 |
375 |
184 |
68 |
0 |
| ODI |
0 |
0 |
5 |
62 |
207 |
263 |
264 |
0 |
| CDI |
0 |
0 |
1 |
62 |
94 |
386 |
2530 |
1927 |
| VCDI |
0 |
0 |
0 |
10 |
16 |
55 |
1226 |
1026 |
|
...date precedes bulletin
|
Date: 2023-07-25:
| 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 |
19525 |
6221 |
1515 |
983 |
389 |
74 |
42 |
0 |
| OW |
0 |
0 |
20 |
171 |
190 |
91 |
17 |
0 |
| VODI |
0 |
0 |
20 |
168 |
385 |
287 |
85 |
0 |
| ODI |
0 |
0 |
20 |
68 |
215 |
271 |
396 |
52 |
| CDI |
0 |
0 |
3 |
19 |
113 |
226 |
2518 |
2870 |
| VCDI |
0 |
0 |
0 |
4 |
19 |
20 |
315 |
847 |
|
...date precedes bulletin
|
Date: 2023-07-27:
| 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 |
19613 |
6207 |
1495 |
884 |
453 |
86 |
48 |
0 |
| OW |
0 |
0 |
26 |
176 |
246 |
128 |
20 |
0 |
| VODI |
0 |
0 |
11 |
145 |
369 |
295 |
103 |
0 |
| ODI |
0 |
0 |
18 |
53 |
196 |
304 |
372 |
72 |
| CDI |
0 |
0 |
2 |
19 |
69 |
179 |
2246 |
2553 |
| VCDI |
0 |
0 |
0 |
8 |
19 |
30 |
549 |
1165 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19613 |
6205 |
1494 |
910 |
483 |
119 |
54 |
0 |
| OW |
0 |
2 |
24 |
161 |
224 |
110 |
23 |
0 |
| VODI |
0 |
0 |
12 |
128 |
363 |
284 |
109 |
0 |
| ODI |
0 |
0 |
20 |
57 |
196 |
289 |
340 |
58 |
| CDI |
0 |
0 |
2 |
20 |
66 |
190 |
2239 |
2565 |
| VCDI |
0 |
0 |
0 |
9 |
20 |
30 |
573 |
1167 |
|
Date: 2023-07-31:
| 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 |
19575 |
6279 |
1839 |
929 |
238 |
66 |
25 |
0 |
| OW |
0 |
0 |
21 |
224 |
176 |
49 |
8 |
0 |
| VODI |
0 |
0 |
6 |
281 |
408 |
205 |
62 |
0 |
| ODI |
0 |
0 |
0 |
81 |
248 |
354 |
208 |
18 |
| CDI |
0 |
0 |
0 |
12 |
32 |
179 |
1601 |
1559 |
| VCDI |
0 |
0 |
0 |
7 |
3 |
4 |
1139 |
2323 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19575 |
6278 |
1809 |
945 |
290 |
89 |
28 |
0 |
| OW |
0 |
1 |
43 |
288 |
310 |
101 |
21 |
0 |
| VODI |
0 |
0 |
12 |
186 |
253 |
244 |
95 |
0 |
| ODI |
0 |
0 |
2 |
88 |
187 |
264 |
388 |
230 |
| CDI |
0 |
0 |
0 |
20 |
62 |
156 |
2147 |
2460 |
| VCDI |
0 |
0 |
0 |
7 |
3 |
3 |
364 |
1210 |
|
Date: 2023-08-02:
| 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 |
19803 |
6493 |
1575 |
852 |
340 |
78 |
29 |
0 |
| OW |
0 |
0 |
13 |
208 |
231 |
73 |
17 |
0 |
| VODI |
0 |
0 |
7 |
204 |
375 |
270 |
110 |
0 |
| ODI |
0 |
0 |
0 |
38 |
177 |
243 |
243 |
12 |
| CDI |
0 |
0 |
0 |
15 |
40 |
137 |
1862 |
1731 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
10 |
839 |
2134 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19803 |
6492 |
1536 |
846 |
407 |
100 |
37 |
0 |
| OW |
0 |
1 |
38 |
234 |
290 |
137 |
37 |
0 |
| VODI |
0 |
0 |
21 |
147 |
243 |
231 |
140 |
0 |
| ODI |
0 |
0 |
0 |
67 |
167 |
203 |
519 |
255 |
| CDI |
0 |
0 |
0 |
23 |
56 |
130 |
2106 |
2624 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
10 |
261 |
998 |
|
Date: 2023-08-04:
| 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 |
19905 |
6757 |
1380 |
823 |
332 |
74 |
19 |
0 |
| OW |
0 |
9 |
35 |
209 |
236 |
79 |
22 |
0 |
| VODI |
0 |
0 |
20 |
213 |
368 |
234 |
107 |
0 |
| ODI |
0 |
0 |
0 |
59 |
146 |
194 |
248 |
13 |
| CDI |
0 |
0 |
0 |
22 |
52 |
129 |
2111 |
1755 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
12 |
596 |
2000 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19905 |
6722 |
1300 |
858 |
444 |
112 |
28 |
0 |
| OW |
0 |
25 |
88 |
206 |
245 |
128 |
35 |
0 |
| VODI |
0 |
17 |
35 |
140 |
235 |
195 |
138 |
0 |
| ODI |
0 |
2 |
12 |
94 |
146 |
155 |
591 |
316 |
| CDI |
0 |
0 |
0 |
28 |
64 |
123 |
2095 |
2590 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
9 |
216 |
862 |
|
Generated by /metno/routine/sms/V2/SIvalidation/SIwebPage.sh Fri 11 Aug 2023 02:28:55 AM UTC on arcval