APRS messages are stored for 14 days. It is possible to search using wildcards (*?) after a prefix.
2021-01-06 01:17:23 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6 2021-01-06 02:17:22 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6 2021-01-06 03:17:41 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 04:17:40 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 05:17:42 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 06:17:40 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 07:17:38 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 08:17:38 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 09:17:37 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 10:17:42 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 11:17:37 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 12:17:37 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 13:17:42 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 14:17:39 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 15:17:43 EST: DMZSVS>NWS_ADVIS: 062100z,THUNDERSTORM,HRC6-8 2021-01-06 16:17:37 EST: DMZSVS>NWS_ADVIS: 062259z,THUNDERSTORM,HRC8