National Weather Service United States Department of Commerce
WATER RESOURCES OUTLOOK NATIONAL WEATHER SERVICE OHIO RIVER FORECAST CENTER WILMINGTON OH 445 PM EDT Wednesday July 31 2019 THE FOLLOWING IS THE 30-DAY WATER RESOURCES OUTLOOK FOR August ...WATER RESOURCES STREAMFLOW OUTLOOK... Streamflows during August will average normal with a few watersheds having slightly above normal flows north of the mainstem while average streamflows are forecast south of the Ohio River. ..................................................................... ...HYDROLOGIC FLOOD AND DROUGHT POTENTIAL... Flood potential will be normal. Drought potential will be low. ..................................................................... ...July Hydrometeorological Summary Stremflows averaged normal to slightly above normal across the Ohio River Basin during July. Rainfall averaged slightly above normal from the Cumberland northeast to the upper Ohio Valley. Elsewhere...rainfall was slightly below normal. http://www.weather.gov/ohrfc/images/dynamic/latest30day.jpeg ...SOIL MOISTURE CONDITIONS... Soil moisture is near normal across the Ohio Valley. http://www.cpc.noaa.gov/soilmst/w.shtml ..................................................................... ...ATMOSPHERIC TELECONNECTION AND OSCILLATION FORECASTS FOR August... ARCTIC OSCILLATION trending neutral = normal rainfall NORTH ATLANTIC OSCILLATION negative = above normal rainfall PACIFIC/NORTH AMERICAN TELECONNECTION positive but no correlation during Summer ENSO - EL NINO/LA NINA OSCILLATION weal El Nino to neutral SSTs = normal http://www.cpc.noaa.gov ..................................................................... NAO supports wet conditions north of the mainstem especially in far northern drainages. There will be watersheds in the north having above normal flows...but the majority of the basin will average near normal with respect to streamflows. ....................................................................... VISIT OUR WATER RESOURCES WEBSITE AT http://www.weather.gov/ohrfc/WRO IN ADDITION TO A 30-DAY STREAMFLOW OUTLOOK...YOU CAN ALSO OBTAIN A 60- AND 90-DAY OUTLOOK AT THE WEBSITE $$ wheeler