555  
FGUS51 KTIR 081433  
RVFOHL  
RIVER FORECAST  
NWS OHIO RIVER FORECAST CENTER, WILMINGTON, OH  
10:33AM EDT THURSDAY, MAY 8, 2025  
 
THIS IS A NWS GUIDANCE PRODUCT FROM THE OHIO RIVER FORECAST CENTER.  
PUBLIC FORECASTS AND WARNINGS ARE ISSUED ONLY BY LOCAL NWS OFFICES.  
STATISTICAL UNCERTAINTIES CAN BE VIEWED FROM OUR ENSEMBLE PAGES AT:  
HTTP://WEATHER.GOV/ERH/MMEFS  
 
: MARKLAND DAM - OHIO RIVER - ILN  
: ZERO DATUM 408.0 FT (OHIO RIVER DATUM)  
: GALLATIN COUNTY, KY  
: RECORD TAILWATER STAGE 76.1 FT  
: MAJOR TAILWATER STAGE 74.0 FT  
: MODERATE TAILWATER STAGE 62.0 FT  
: FLOOD TAILWATER STAGE 51.0 FT  
: ACTION TAILWATER STAGE 49.0 FT  
:  
: TIME SERIES DATA ARE IN 6-HOUR INCREMENTS.  
:  
: OBSV VALID / 00Z / 06Z / 12Z / 18Z  
: MAY 06 / 31.8  
: MAY 07 / 31.9 / 32.3 / 32.8 / 33.0  
: MAY 08 / 33.3 / 33.0 / 33.0  
:  
: LATEST OBSERVED TAILWATER STAGE 33.0 FT AT 945AM EDT ON THU, MAY 8  
:  
.ER MKLK2 20250508 Z DC202505081433/DUE/DQG/DH18/HTIFF/DIH6  
:  
: FCST VALID / 00Z / 06Z / 12Z / 18Z  
.E1 : MAY 08 : / 33.0  
.E2 : MAY 09 : / 33.0 / 32.9 / 32.8 / 32.5  
.E3 : MAY 10 : / 32.3 / 32.0 / 31.7 / 31.3  
.E4 : MAY 11 : / 30.8 / 30.4 / 30.0 / 29.4  
.E5 : MAY 12 : / 28.8 / 28.3 / 27.7 / 27.3  
.E6 : MAY 13 : / 26.8 / 26.3 / 25.7  
:  
: LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP [MAPX] (72 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 05 / 0.01  
: MAY 06 / 0.01 / 0.01 / 0.04 / 0.00  
: MAY 07 / 0.00 / 0.00 / 0.00 / 0.00  
: MAY 08 / 0.00 / 0.00 / 0.00  
:  
: LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP [MAPX] (48 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 08 / 0.01  
: MAY 09 / 0.13 / 0.00 / 0.00 / 0.00  
: MAY 10 / 0.00 / 0.00 / 0.00  
:  
: LOCAL 6-HR BASIN-AVERAGED TEMPERATURES (C) [MAT] (120 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 05 / 12.2  
: MAY 06 / 14.4 / 11.3 / 9.1 / 13.6  
: MAY 07 / 19.8 / 15.2 / 11.7 / 18.5  
: MAY 08 / 23.4 / 17.5 / 13.8 / 19.2  
: MAY 09 / 19.4 / 12.6 / 7.9 / 13.7  
: MAY 10 / 17.6 / 9.4 / 6.9  
:____________________________________________________________________  
 
: MCALPINE UPPER - OHIO RIVER - LMK  
: ZERO DATUM 407.18 FT (NAVD 88)  
: JEFFERSON COUNTY, KY  
: RECORD POOL STAGE 52.2 FT  
: MAJOR POOL STAGE 38.0 FT  
: MODERATE POOL STAGE 30.0 FT  
: FLOOD POOL STAGE 23.0 FT  
: ACTION POOL STAGE 21.0 FT  
:  
: TIME SERIES DATA ARE IN 6-HOUR INCREMENTS.  
:  
: OBSV VALID / 00Z / 06Z / 12Z / 18Z  
: MAY 06 / 15.0  
: MAY 07 / 15.2 / 15.3 / 15.3 / 15.5  
: MAY 08 / 15.6 / 15.7 / 15.6  
:  
: LATEST OBSERVED POOL STAGE 15.6 FT AT 1000AM EDT ON THU, MAY 8  
:  
.ER MLUK2 20250508 Z DC202505081433/DUE/DQG/DH18/HPIFF/DIH6  
:  
: FCST VALID / 00Z / 06Z / 12Z / 18Z  
.E1 : MAY 08 : / 15.6  
.E2 : MAY 09 : / 15.5 / 15.4 / 15.3 / 15.1  
.E3 : MAY 10 : / 14.9 / 14.7 / 14.4 / 14.1  
.E4 : MAY 11 : / 13.8 / 13.5 / 13.1 / 13.0  
.E5 : MAY 12 : / 12.9 / 12.9 / 12.8 / 12.7  
.E6 : MAY 13 : / 12.6 / 12.6 / 12.6  
:  
: LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP [MAPX] (72 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 05 / 0.01  
: MAY 06 / 0.01 / 0.00 / 0.00 / 0.00  
: MAY 07 / 0.00 / 0.00 / 0.00 / 0.00  
: MAY 08 / 0.00 / 0.00 / 0.00  
:  
: LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP [MAPX] (48 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 08 / 0.02  
: MAY 09 / 0.19 / 0.00 / 0.00 / 0.00  
: MAY 10 / 0.00 / 0.00 / 0.00  
:  
: LOCAL 6-HR BASIN-AVERAGED TEMPERATURES (C) [MAT] (120 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 05 / 10.8  
: MAY 06 / 13.7 / 10.5 / 9.4 / 14.7  
: MAY 07 / 19.9 / 14.1 / 10.2 / 17.3  
: MAY 08 / 22.6 / 16.8 / 14.2 / 19.1  
: MAY 09 / 20.1 / 14.9 / 9.7 / 14.3  
: MAY 10 / 18.4 / 10.4 / 7.6  
:____________________________________________________________________  
 
: MCALPINE LOWER - OHIO RIVER - LMK  
: ZERO DATUM 373.18 FT (NGVD29)  
: JEFFERSON COUNTY, KY  
: RECORD TAILWATER STAGE 85.4 FT  
: MAJOR TAILWATER STAGE 73.0 FT  
: MODERATE TAILWATER STAGE 65.0 FT  
: FLOOD TAILWATER STAGE 55.0 FT  
: ACTION TAILWATER STAGE 53.0 FT  
:  
: TIME SERIES DATA ARE IN 6-HOUR INCREMENTS.  
:  
: OBSV VALID / 00Z / 06Z / 12Z / 18Z  
: MAY 06 / 34.4  
: MAY 07 / 34.5 / 34.6 / 34.8 / 35.0  
: MAY 08 / 35.1 / 35.3 / 35.3  
:  
: LATEST OBSERVED TAILWATER STAGE 35.3 FT AT 1000AM EDT ON THU, MAY 8  
:  
.ER MLPK2 20250508 Z DC202505081433/DUE/DQG/DH18/HTIFF/DIH6  
:  
: FCST VALID / 00Z / 06Z / 12Z / 18Z  
.E1 : MAY 08 : / 35.2  
.E2 : MAY 09 : / 35.2 / 35.2 / 35.2 / 35.1  
.E3 : MAY 10 : / 35.0 / 34.9 / 34.6 / 34.3  
.E4 : MAY 11 : / 33.8 / 33.4 / 33.0 / 32.5  
.E5 : MAY 12 : / 32.1 / 31.5 / 30.9 / 30.1  
.E6 : MAY 13 : / 28.9 / 28.1 / 27.3  
:  
: LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP [MAPX] (72 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 05 / 0.01  
: MAY 06 / 0.01 / 0.00 / 0.00 / 0.00  
: MAY 07 / 0.00 / 0.00 / 0.00 / 0.00  
: MAY 08 / 0.00 / 0.00 / 0.00  
:  
: LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP [MAPX] (48 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 08 / 0.02  
: MAY 09 / 0.19 / 0.00 / 0.00 / 0.00  
: MAY 10 / 0.00 / 0.00 / 0.00  
:  
: LOCAL 6-HR BASIN-AVERAGED TEMPERATURES (C) [MAT] (120 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 05 / 10.8  
: MAY 06 / 13.7 / 10.5 / 9.4 / 14.7  
: MAY 07 / 19.9 / 14.1 / 10.2 / 17.3  
: MAY 08 / 22.6 / 16.8 / 14.2 / 19.1  
: MAY 09 / 20.1 / 14.9 / 9.7 / 14.3  
: MAY 10 / 18.4 / 10.4 / 7.6  
:____________________________________________________________________  
 
: CANNELTON DAM - OHIO RIVER - LMK  
: ZERO DATUM 348.0 FT (OHIO RIVER)  
: PERRY COUNTY, IN  
: RECORD TAILWATER STAGE 60.8 FT  
: MAJOR TAILWATER STAGE 50.0 FT  
: MODERATE TAILWATER STAGE 46.0 FT  
: FLOOD TAILWATER STAGE 42.0 FT  
: ACTION TAILWATER STAGE 40.0 FT  
:  
: TIME SERIES DATA ARE IN 6-HOUR INCREMENTS.  
:  
: OBSV VALID / 00Z / 06Z / 12Z / 18Z  
: MAY 06 / 28.4  
: MAY 07 / 28.5 / 28.5 / 28.5 / 28.4  
: MAY 08 / 28.4 / 28.5 / 28.5  
:  
: LATEST OBSERVED TAILWATER STAGE 28.5 FT AT 1000AM EDT ON THU, MAY 8  
:  
.ER CNNI3 20250508 Z DC202505081433/DUE/DQG/DH18/HTIFF/DIH6  
:  
: FCST VALID / 00Z / 06Z / 12Z / 18Z  
.E1 : MAY 08 : / 28.5  
.E2 : MAY 09 : / 28.5 / 28.5 / 28.6 / 28.5  
.E3 : MAY 10 : / 28.4 / 28.3 / 28.1 / 27.9  
.E4 : MAY 11 : / 27.7 / 27.4 / 27.0 / 26.7  
.E5 : MAY 12 : / 26.3 / 25.9 / 25.5 / 25.1  
.E6 : MAY 13 : / 24.5 / 23.8 / 23.1  
:  
: LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP [MAPX] (72 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 05 / 0.08  
: MAY 06 / 0.02 / 0.00 / 0.00 / 0.00  
: MAY 07 / 0.00 / 0.00 / 0.00 / 0.00  
: MAY 08 / 0.00 / 0.00 / 0.02  
:  
: LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP [MAPX] (48 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 08 / 0.07  
: MAY 09 / 0.23 / 0.04 / 0.01 / 0.00  
: MAY 10 / 0.00 / 0.00 / 0.00  
:  
: LOCAL 6-HR BASIN-AVERAGED TEMPERATURES (C) [MAT] (120 HOURS):  
: VALID TIMES / 00Z / 06Z / 12Z / 18Z  
: MAY 05 / 10.2  
: MAY 06 / 12.0 / 10.9 / 10.1 / 14.0  
: MAY 07 / 19.6 / 12.7 / 9.4 / 16.2  
: MAY 08 / 22.0 / 17.6 / 15.0 / 18.8  
: MAY 09 / 19.9 / 15.4 / 11.0 / 15.1  
: MAY 10 / 18.9 / 10.8 / 7.9  
:____________________________________________________________________  

 
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