12-Hour Forecast

Robert Chapin

« Prog Charts Archive

These are the 12-hour surface prognostic charts that are currently available online from my prog charts archive.  Click any entry in the Issued Date column to see the desired chart image.

Issued DateValid Date
09/29/2020 at 1602z09/30/2020 at 00z
09/29/2020 at 1512z09/30/2020 at 00z
09/29/2020 at 0233z09/29/2020 at 12z
09/28/2020 at 1532z09/29/2020 at 00z
09/28/2020 at 0221z09/28/2020 at 12z
09/27/2020 at 1516z09/28/2020 at 00z
09/27/2020 at 0242z09/27/2020 at 12z
09/26/2020 at 1448z09/27/2020 at 00z
09/26/2020 at 0331z09/26/2020 at 12z
09/25/2020 at 1502z09/26/2020 at 00z
09/25/2020 at 0239z09/25/2020 at 12z
09/24/2020 at 2017z09/25/2020 at 00z
09/24/2020 at 1509z09/25/2020 at 00z
09/24/2020 at 0353z09/24/2020 at 12z
09/24/2020 at 0320z09/24/2020 at 12z
09/23/2020 at 1518z09/24/2020 at 00z
09/23/2020 at 0439z09/23/2020 at 12z
09/23/2020 at 0315z09/23/2020 at 12z
09/22/2020 at 1509z09/23/2020 at 00z
09/22/2020 at 0439z09/22/2020 at 12z
09/22/2020 at 0302z09/22/2020 at 12z
09/21/2020 at 2022z09/22/2020 at 00z
09/21/2020 at 1501z09/22/2020 at 00z
09/21/2020 at 0304z09/21/2020 at 12z
09/20/2020 at 2154z09/21/2020 at 00z
09/20/2020 at 2102z09/21/2020 at 00z
09/20/2020 at 1432z09/21/2020 at 00z
09/20/2020 at 0302z09/20/2020 at 12z
09/19/2020 at 2030z09/20/2020 at 00z
09/19/2020 at 1425z09/20/2020 at 00z
09/19/2020 at 0318z09/19/2020 at 12z
09/18/2020 at 2046z09/19/2020 at 00z
09/18/2020 at 1457z09/19/2020 at 00z
09/18/2020 at 0811z09/18/2020 at 12z
09/18/2020 at 0307z09/18/2020 at 12z
09/17/2020 at 1533z09/18/2020 at 00z
09/17/2020 at 0838z09/17/2020 at 12z
09/17/2020 at 0308z09/17/2020 at 12z
09/16/2020 at 2243z09/17/2020 at 00z
09/16/2020 at 1459z09/17/2020 at 00z
09/16/2020 at 0322z09/16/2020 at 12z
09/15/2020 at 2021z09/16/2020 at 00z
09/15/2020 at 1457z09/16/2020 at 00z
09/15/2020 at 0304z09/15/2020 at 12z
09/14/2020 at 1736z09/15/2020 at 00z
09/14/2020 at 1600z09/15/2020 at 00z
09/14/2020 at 1519z09/15/2020 at 00z
09/14/2020 at 0356z09/14/2020 at 12z
09/14/2020 at 0305z09/14/2020 at 12z
09/13/2020 at 2036z09/14/2020 at 00z
09/13/2020 at 1511z09/14/2020 at 00z
09/13/2020 at 1445z09/14/2020 at 00z
09/13/2020 at 0529z09/13/2020 at 12z
09/13/2020 at 0301z09/13/2020 at 12z
09/12/2020 at 2023z09/13/2020 at 00z
09/12/2020 at 1530z09/13/2020 at 00z
09/12/2020 at 1454z09/13/2020 at 00z
09/12/2020 at 0259z09/12/2020 at 12z
09/11/2020 at 2059z09/12/2020 at 00z
09/11/2020 at 1449z09/12/2020 at 00z
09/11/2020 at 0331z09/11/2020 at 12z
09/10/2020 at 1518z09/11/2020 at 00z
09/10/2020 at 0255z09/10/2020 at 12z
09/09/2020 at 1428z09/10/2020 at 00z
09/09/2020 at 0300z09/09/2020 at 12z
09/08/2020 at 1502z09/09/2020 at 00z
09/08/2020 at 0304z09/08/2020 at 12z
09/07/2020 at 1507z09/08/2020 at 00z
09/07/2020 at 0529z09/07/2020 at 12z
09/07/2020 at 0251z09/07/2020 at 12z
09/06/2020 at 1832z09/07/2020 at 00z
09/06/2020 at 1509z09/07/2020 at 00z
09/06/2020 at 0257z09/06/2020 at 12z
09/05/2020 at 1501z09/06/2020 at 00z
09/05/2020 at 0258z09/05/2020 at 12z
09/04/2020 at 1459z09/05/2020 at 00z
09/04/2020 at 0301z09/04/2020 at 12z
09/03/2020 at 1447z09/04/2020 at 00z
09/03/2020 at 0343z09/03/2020 at 12z
09/03/2020 at 0255z09/03/2020 at 12z
09/02/2020 at 2144z09/03/2020 at 00z
09/02/2020 at 1441z09/03/2020 at 00z
09/02/2020 at 0756z09/02/2020 at 12z
09/02/2020 at 0255z09/02/2020 at 12z
09/01/2020 at 2215z09/02/2020 at 00z
09/01/2020 at 2119z09/02/2020 at 00z
09/01/2020 at 2039z09/02/2020 at 00z
09/01/2020 at 1434z09/02/2020 at 00z
09/01/2020 at 0804z09/01/2020 at 12z
09/01/2020 at 0252z09/01/2020 at 12z
08/31/2020 at 2106z09/01/2020 at 00z
08/31/2020 at 2025z09/01/2020 at 00z
08/31/2020 at 1631z09/01/2020 at 00z
08/31/2020 at 1502z09/01/2020 at 00z
08/31/2020 at 0244z08/31/2020 at 12z
08/30/2020 at 1451z08/31/2020 at 00z
08/30/2020 at 0750z08/30/2020 at 12z
08/30/2020 at 0236z08/30/2020 at 12z
08/29/2020 at 1509z08/30/2020 at 00z
08/29/2020 at 1454z08/30/2020 at 00z

Currently storing the 100 most recent 12-Hour Forecast Charts online.