


Extended Streamflow Guidance
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
197 FGUS64 KFWR 202047 ESGHGX LONG-RANGE PROBABILISTIC OUTLOOK NWS WEST GULF RIVER FORECAST CENTER FORT WORTH TEXAS 0846 PM GMT WED AUG 20 2025 .B FWR 0820 Z DH12 /DC2508202046/DRD+3/DVD90/HGVFZX9/HGVFZX8/HGVFZX7 .B1 /HGVFZX6/HGVFZX5/HGVFZX4/HGVFZX3/HGVFZX2/HGVFZX1 : Chance of Exceeding Stages at Specific Locations on LAVA : Valid 08/20/2025 - 11/18/2025 : : 90% 80% 70% 60% 50% 40% 30% 20% 10% :------------------------------------------------------------------------------ : HTST2 5.1/ 5.8/ 7.0/ 7.9/ 8.5/ 9.5/ 10.7/ 13.3/ 16.6 EDNT2 7.6/ 8.4/ 9.5/ 11.0/ 12.3/ 15.5/ 18.3/ 23.4/ 26.9 SBMT2 6.2/ 6.5/ 6.7/ 7.6/ 9.3/ 10.2/ 12.5/ 20.9/ 27.1 SPAT2 4.5/ 5.9/ 6.6/ 7.6/ 9.3/ 11.6/ 15.0/ 20.1/ 25.2 MRAT2 8.5/ 10.5/ 11.6/ 12.1/ 13.7/ 16.3/ 19.2/ 27.4/ 30.9 LSNT2 6.9/ 8.2/ 9.4/ 10.5/ 12.2/ 13.5/ 18.0/ 24.8/ 28.1 CODT2 6.3/ 7.2/ 8.4/ 9.3/ 10.4/ 11.4/ 12.5/ 16.4/ 19.6 GNDT2 8.6/ 9.7/ 10.5/ 11.9/ 12.8/ 13.7/ 14.4/ 17.1/ 20.8 LMCT2 6.9/ 8.4/ 9.0/ 9.6/ 9.8/ 11.0/ 13.2/ 20.6/ 21.8 MTPT2 6.8/ 9.6/ 13.9/ 16.3/ 18.0/ 20.6/ 23.3/ 27.8/ 29.9 .END : Long-range probabilistic outlooks will be issued around the : third Thursday of the month throughout the year. $$