« Prog Charts Archive
These data are the results of monitoring the differences between the official and actual publication times of surface prog charts.
Official Prog Charts Issuance Schedule (AC 00-45H 5.16.2)
|
02z cycle |
04z cycle |
07z cycle |
09z cycle |
14z cycle |
16z cycle |
19z cycle |
21z cycle |
6-Hour |
0200z |
|
|
|
1400z |
|
|
|
12-Hour |
0200z |
|
|
|
1400z |
|
|
|
18-Hour |
|
0430z |
|
|
|
1630z |
|
|
24-Hour |
|
0430z |
|
|
|
1630z |
|
|
30-Hour |
|
|
0730z |
|
|
|
1930z |
|
36-Hour |
|
|
0730z |
|
|
|
1930z |
|
48-Hour |
|
|
0730z |
|
|
|
1930z |
|
60-Hour |
|
|
|
0900z |
|
|
|
2100z |
Actual Issuance Experience Since 12/06/2016
|
02z cycle |
04z cycle |
07z cycle |
09z cycle |
14z cycle |
16z cycle |
19z cycle |
21z cycle |
6-Hour |
0208z – 0330z |
|
|
|
1410z – 1540z |
|
|
|
12-Hour |
0208z – 0339z |
|
|
|
1410z – 1541z |
|
|
|
18-Hour |
|
0304z – 0434z |
|
|
|
1449z – 1632z |
|
|
24-Hour |
|
0317z – 0455z |
|
|
|
1449z – 1659z |
|
|
30-Hour |
|
|
0534z – 0710z |
|
|
|
1828z – 1936z |
|
36-Hour |
|
|
0534z – 0711z |
|
|
|
1829z – 1950z |
|
48-Hour |
|
|
0535z – 0716z |
|
|
|
1829z – 1944z |
|
60-Hour |
|
|
0536z – 0736z |
|
|
|
1836z – 1951z |
|
Valid Times Based On Experience
|
02z cycle |
04z cycle |
07z cycle |
14z cycle |
16z cycle |
19z cycle |
6-Hour |
06z |
|
|
18z |
|
|
12-Hour |
12z |
|
|
00z |
|
|
18-Hour |
|
18z |
|
|
06z |
|
24-Hour |
|
00z |
|
|
12z |
|
30-Hour |
|
|
06z |
|
|
18z |
36-Hour |
|
|
12z |
|
|
00z |
48-Hour |
|
|
00z |
|
|
12z |
60-Hour |
|
|
12z |
|
|
00z |
Former Prog Charts Issuance Schedule (AC 00-45G 8.1.2)
|
17z cycle |
23z cycle |
05z cycle |
09z cycle |
12-Hour |
1720z |
2310z |
0530z |
0935z |
24-Hour |
1720z |
2310z |
0530z |
0935z |
36-Hour |
1720z |
|
0530z |
|
48-Hour |
1720z |
|
0530z |
|
Actual Issuance Experience Since 10/26/2011
|
17z cycle |
23z cycle |
05z cycle |
09z cycle |
12-Hour |
1247z – 1456z |
1452z – 1755z |
0115z – 0234z |
0303z – 0527z |
24-Hour |
1459z – 1755z |
1740z – 2126z |
0309z – 0538z |
0542z – 0752z |
36-Hour |
1748z – 2134z |
|
0550z – 0805z |
|
48-Hour |
1758z – 2201z |
|
0559z – 0818z |
|
Former Issuance Prediction
|
02z cycle |
04z cycle |
07z cycle |
14z cycle |
16z cycle |
19z cycle |
12-Hour |
0115z – 0234z |
0303z – 0538z |
|
1247z – 1456z |
1459z – 1713z |
|
24-Hour |
|
0303z – 0538z |
0542z – 0818z |
|
1459z – 1713z |
1740z – 2201z |
36-Hour |
|
|
0542z – 0818z |
|
|
1740z – 2201z |
48-Hour |
|
|
0542z – 0818z |
|
|
1740z – 2201z |
60-Hour |
|
|
0542z – 0818z |
|
|
1740z – 2201z |