Expires:202007310256;;668587 FGUS84 KOUN 301857 RVSOUN OKC053-071-103-310256- Hydrologic Statement National Weather Service Norman OK 157 PM CDT Thu Jul 30 2020 ...A crest near flood stage is forecast for the following locations along the Salt Fork Arkansas River... For the Salt Fork Arkansas River at Tonkawa... * Flood stage is 17.0 feet. * The latest stage was 15.96 feet at 1 PM Thursday. * The Salt Fork Arkansas River is forecast to crest near 16.6 feet early Friday morning. * Impact...When the Salt Fork Arkansas River reaches 17.0 feet at Tonkawa...Shallow floodwaters move along the river from eastern Grant County...across Kay County...to the confluence with the Arkansas River below Ponca City. Farmland and oilfields may be flooded. $$