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
04/21/2021 at 1452z04/22/2021 at 00z
04/21/2021 at 0258z04/21/2021 at 12z
04/20/2021 at 1503z04/21/2021 at 00z
04/20/2021 at 0306z04/20/2021 at 12z
04/19/2021 at 1457z04/20/2021 at 00z
04/19/2021 at 0312z04/19/2021 at 12z
04/18/2021 at 1453z04/19/2021 at 00z
04/18/2021 at 0311z04/18/2021 at 12z
04/17/2021 at 1443z04/18/2021 at 00z
04/17/2021 at 0310z04/17/2021 at 12z
04/16/2021 at 1503z04/17/2021 at 00z
04/16/2021 at 0400z04/16/2021 at 12z
04/16/2021 at 0302z04/16/2021 at 12z
04/15/2021 at 1457z04/16/2021 at 00z
04/15/2021 at 0312z04/15/2021 at 12z
04/14/2021 at 1459z04/15/2021 at 00z
04/14/2021 at 0300z04/14/2021 at 12z
04/13/2021 at 1439z04/14/2021 at 00z
04/13/2021 at 0311z04/13/2021 at 12z
04/13/2021 at 0223z04/13/2021 at 12z
04/12/2021 at 1439z04/13/2021 at 00z
04/12/2021 at 0250z04/12/2021 at 12z
04/11/2021 at 1510z04/12/2021 at 00z
04/11/2021 at 0238z04/11/2021 at 12z
04/10/2021 at 1512z04/11/2021 at 00z
04/10/2021 at 0252z04/10/2021 at 12z
04/09/2021 at 1516z04/10/2021 at 00z
04/09/2021 at 0245z04/09/2021 at 12z
04/08/2021 at 1509z04/09/2021 at 00z
04/08/2021 at 0256z04/08/2021 at 12z
04/07/2021 at 1458z04/08/2021 at 00z
04/07/2021 at 0307z04/07/2021 at 12z
04/06/2021 at 1443z04/07/2021 at 00z
04/06/2021 at 0302z04/06/2021 at 12z
04/05/2021 at 1456z04/06/2021 at 00z
04/05/2021 at 0256z04/05/2021 at 12z
04/04/2021 at 1457z04/05/2021 at 00z
04/04/2021 at 0302z04/04/2021 at 12z
04/03/2021 at 1456z04/04/2021 at 00z
04/03/2021 at 0249z04/03/2021 at 12z
04/02/2021 at 1455z04/03/2021 at 00z
04/02/2021 at 0258z04/02/2021 at 12z
04/01/2021 at 1503z04/02/2021 at 00z
04/01/2021 at 0248z04/01/2021 at 12z
03/31/2021 at 1507z04/01/2021 at 00z
03/31/2021 at 0234z03/31/2021 at 12z
03/30/2021 at 1609z03/31/2021 at 00z
03/30/2021 at 1507z03/31/2021 at 00z
03/30/2021 at 0250z03/30/2021 at 12z
03/29/2021 at 1535z03/30/2021 at 00z
03/29/2021 at 0253z03/29/2021 at 12z
03/28/2021 at 1454z03/29/2021 at 00z
03/28/2021 at 0251z03/28/2021 at 12z
03/27/2021 at 1458z03/28/2021 at 00z
03/27/2021 at 0248z03/27/2021 at 12z
03/26/2021 at 1501z03/27/2021 at 00z
03/26/2021 at 0253z03/26/2021 at 12z
03/25/2021 at 1502z03/26/2021 at 00z
03/25/2021 at 0228z03/25/2021 at 12z
03/24/2021 at 1516z03/25/2021 at 00z
03/24/2021 at 0258z03/24/2021 at 12z
03/23/2021 at 1500z03/24/2021 at 00z
03/23/2021 at 0257z03/23/2021 at 12z
03/22/2021 at 1454z03/23/2021 at 00z
03/22/2021 at 0233z03/22/2021 at 12z
03/21/2021 at 1500z03/22/2021 at 00z
03/21/2021 at 0251z03/21/2021 at 12z
03/20/2021 at 1501z03/21/2021 at 00z
03/20/2021 at 0246z03/20/2021 at 12z
03/19/2021 at 1448z03/20/2021 at 00z
03/19/2021 at 0305z03/19/2021 at 12z
03/18/2021 at 1456z03/19/2021 at 00z
03/18/2021 at 0321z03/18/2021 at 12z
03/17/2021 at 1448z03/18/2021 at 00z
03/17/2021 at 0318z03/17/2021 at 12z
03/16/2021 at 1510z03/17/2021 at 00z
03/16/2021 at 0311z03/16/2021 at 12z
03/15/2021 at 1442z03/16/2021 at 00z
03/15/2021 at 0301z03/15/2021 at 12z
03/14/2021 at 1429z03/15/2021 at 00z
03/14/2021 at 0307z03/14/2021 at 12z
03/13/2021 at 1441z03/14/2021 at 00z
03/13/2021 at 0315z03/13/2021 at 12z
03/12/2021 at 1456z03/13/2021 at 00z
03/12/2021 at 0309z03/12/2021 at 12z
03/11/2021 at 1455z03/12/2021 at 00z
03/11/2021 at 0253z03/11/2021 at 12z
03/10/2021 at 1511z03/11/2021 at 00z
03/10/2021 at 0255z03/10/2021 at 12z
03/09/2021 at 1447z03/10/2021 at 00z
03/09/2021 at 0252z03/09/2021 at 12z
03/08/2021 at 1428z03/09/2021 at 00z
03/08/2021 at 0257z03/08/2021 at 12z
03/07/2021 at 1429z03/08/2021 at 00z
03/07/2021 at 0257z03/07/2021 at 12z
03/06/2021 at 1448z03/07/2021 at 00z
03/06/2021 at 0254z03/06/2021 at 12z
03/05/2021 at 1503z03/06/2021 at 00z
03/05/2021 at 0259z03/05/2021 at 12z
03/04/2021 at 1500z03/05/2021 at 00z

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