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
01/16/2021 at 0230z01/16/2021 at 12z
01/15/2021 at 1500z01/16/2021 at 00z
01/15/2021 at 0218z01/15/2021 at 12z
01/14/2021 at 1511z01/15/2021 at 00z
01/14/2021 at 0238z01/14/2021 at 12z
01/13/2021 at 1501z01/14/2021 at 00z
01/13/2021 at 0224z01/13/2021 at 12z
01/12/2021 at 1457z01/13/2021 at 00z
01/12/2021 at 0700z01/12/2021 at 12z
01/12/2021 at 0218z01/12/2021 at 12z
01/11/2021 at 1457z01/12/2021 at 00z
01/11/2021 at 0215z01/11/2021 at 12z
01/10/2021 at 1455z01/11/2021 at 00z
01/10/2021 at 0237z01/10/2021 at 12z
01/09/2021 at 1508z01/10/2021 at 00z
01/09/2021 at 0237z01/09/2021 at 12z
01/08/2021 at 1409z01/09/2021 at 00z
01/08/2021 at 0232z01/08/2021 at 12z
01/07/2021 at 1724z01/08/2021 at 00z
01/07/2021 at 1501z01/08/2021 at 00z
01/07/2021 at 0302z01/07/2021 at 12z
01/06/2021 at 1457z01/07/2021 at 00z
01/06/2021 at 0413z01/06/2021 at 12z
01/06/2021 at 0307z01/06/2021 at 12z
01/05/2021 at 1500z01/06/2021 at 00z
01/05/2021 at 0341z01/05/2021 at 12z
01/04/2021 at 1451z01/05/2021 at 00z
01/04/2021 at 0541z01/04/2021 at 12z
01/04/2021 at 0308z01/04/2021 at 12z
01/03/2021 at 1451z01/04/2021 at 00z
01/03/2021 at 0301z01/03/2021 at 12z
01/02/2021 at 1451z01/03/2021 at 00z
01/02/2021 at 0312z01/02/2021 at 12z
01/01/2021 at 1446z01/02/2021 at 00z
01/01/2021 at 0347z01/01/2021 at 12z
01/01/2021 at 0259z01/01/2021 at 12z
12/31/2020 at 1516z01/01/2021 at 00z
12/31/2020 at 0301z12/31/2020 at 12z
12/30/2020 at 1451z12/31/2020 at 00z
12/30/2020 at 0253z12/30/2020 at 12z
12/29/2020 at 1506z12/30/2020 at 00z
12/29/2020 at 0250z12/29/2020 at 12z
12/28/2020 at 1500z12/29/2020 at 00z
12/28/2020 at 0254z12/28/2020 at 12z
12/27/2020 at 1438z12/28/2020 at 00z
12/27/2020 at 0248z12/27/2020 at 12z
12/26/2020 at 1454z12/27/2020 at 00z
12/26/2020 at 1442z12/27/2020 at 00z
12/26/2020 at 0300z12/26/2020 at 12z
12/25/2020 at 1459z12/26/2020 at 00z
12/25/2020 at 0301z12/25/2020 at 12z
12/24/2020 at 1447z12/25/2020 at 00z
12/24/2020 at 0247z12/24/2020 at 12z
12/23/2020 at 1452z12/24/2020 at 00z
12/23/2020 at 0259z12/23/2020 at 12z
12/22/2020 at 1455z12/23/2020 at 00z
12/22/2020 at 0256z12/22/2020 at 12z
12/21/2020 at 1410z12/22/2020 at 00z
12/21/2020 at 0257z12/21/2020 at 12z
12/20/2020 at 1514z12/21/2020 at 00z
12/20/2020 at 0257z12/20/2020 at 12z
12/19/2020 at 1500z12/20/2020 at 00z
12/19/2020 at 0239z12/19/2020 at 12z
12/18/2020 at 1428z12/19/2020 at 00z
12/18/2020 at 0347z12/18/2020 at 12z
12/17/2020 at 1419z12/18/2020 at 00z
12/17/2020 at 0247z12/17/2020 at 12z
12/16/2020 at 1456z12/17/2020 at 00z
12/16/2020 at 0250z12/16/2020 at 12z
12/15/2020 at 1513z12/16/2020 at 00z
12/15/2020 at 0235z12/15/2020 at 12z
12/14/2020 at 1458z12/15/2020 at 00z
12/14/2020 at 0245z12/14/2020 at 12z
12/13/2020 at 1458z12/14/2020 at 00z
12/13/2020 at 0251z12/13/2020 at 12z
12/12/2020 at 1501z12/13/2020 at 00z
12/12/2020 at 0248z12/12/2020 at 12z
12/11/2020 at 1554z12/12/2020 at 00z
12/11/2020 at 1513z12/12/2020 at 00z
12/11/2020 at 0242z12/11/2020 at 12z
12/10/2020 at 1456z12/11/2020 at 00z
12/10/2020 at 0231z12/10/2020 at 12z
12/09/2020 at 1449z12/10/2020 at 00z
12/09/2020 at 0237z12/09/2020 at 12z
12/08/2020 at 1524z12/09/2020 at 00z
12/08/2020 at 0225z12/08/2020 at 12z
12/07/2020 at 1459z12/08/2020 at 00z
12/07/2020 at 0326z12/07/2020 at 12z
12/07/2020 at 0245z12/07/2020 at 12z
12/06/2020 at 1455z12/07/2020 at 00z
12/06/2020 at 0258z12/06/2020 at 12z
12/06/2020 at 0230z12/06/2020 at 12z
12/05/2020 at 1503z12/06/2020 at 00z
12/05/2020 at 0331z12/05/2020 at 12z
12/05/2020 at 0222z12/05/2020 at 12z
12/04/2020 at 1458z12/05/2020 at 00z
12/04/2020 at 0231z12/04/2020 at 12z
12/03/2020 at 1445z12/04/2020 at 00z
12/03/2020 at 0300z12/03/2020 at 12z
12/02/2020 at 1444z12/03/2020 at 00z

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