652  
FGUS54 KORN 271412  
RVFSHV  
RIVER FORECAST  
NATIONAL WEATHER SERVICE  
NWS LOWER MISSISSIPPI RIVER FORECAST CENTER; SLIDELL, LA  
1411 GMT WED MAY 27 2026  
 
THIS IS A NWS GUIDANCE PRODUCT FROM THE LOWER MISSISSIPPI RIVER  
FORECAST CENTER. PUBLIC FORECASTS AND WARNINGS ARE ISSUED BY NWS  
WEATHER FORECAST OFFICES.  
 
: FORECAST GROUP IS LOWER RED  
:  
: FORECASTS INCLUDE 24 - HOURS OF FUTURE RAINFALL IN 6 HOUR INCREMENTS  
:  
:  
:************************************************************  
:COUSHATTA, LA - RED RIVER  
:ACTION STAGE 30.5 FT MINOR FLOOD STAGE 31.0 FT  
:MODERATE FLOOD STAGE 33.0 FT MAJOR FLOOD STAGE 37.0 FT  
:  
:LATEST RIVER STAGE 25.0 FT AT 1300 Z ON MAY 27  
.ER CSHL1 0527 Z DC202605271411/DH18/HGIFFZZ/DIH6  
:RIVER FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 25.0 / 25.0 / 25.0  
.E2 : 0528 : / 25.0 / 25.0 / 25.0 / 25.0  
.E3 : 0529 : / 25.0 / 25.0 / 25.0 / 25.0  
.E4 : 0530 : / 25.0 / 25.0 / 25.0 / 25.0  
.E5 : 0531 : / 25.0 / 25.0 / 25.0 / 25.0  
.E6 : 0601 : / 25.0  
.ER CSHL1 0527 Z DC202605271411/DH18/PPQFZ/DIH6  
:QPF FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 0.35 / 0.21 / 0.26  
.E2 : 0528 : / 0.03  
.ER CSHL1 0527 Z DC202605271411/DH18/PPDFZ/DIH24/0.85  
:  
:FORECASTER COMMENTS...  
:  
:************************************************************  
:GRAND ECORE, LA - RED RIVER  
:ACTION STAGE 32.0 FT MINOR FLOOD STAGE 33.0 FT  
:MODERATE FLOOD STAGE 36.0 FT MAJOR FLOOD STAGE 39.0 FT  
:  
:LATEST RIVER STAGE 20.2 FT AT 1300 Z ON MAY 27  
.ER GREL1 0527 Z DC202605271411/DH18/HGIFFZZ/DIH6  
:RIVER FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 20.3 / 20.3 / 20.3  
.E2 : 0528 : / 20.3 / 20.3 / 20.3 / 20.3  
.E3 : 0529 : / 20.3 / 20.4 / 20.4 / 20.4  
.E4 : 0530 : / 20.4 / 20.4 / 20.4 / 20.4  
.E5 : 0531 : / 20.4 / 20.4 / 20.4 / 20.4  
.E6 : 0601 : / 20.4  
.ER GREL1 0527 Z DC202605271411/DH18/PPQFZ/DIH6  
:QPF FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 0.59 / 0.18 / 0.19  
.E2 : 0528 : / 0.04  
.ER GREL1 0527 Z DC202605271411/DH18/PPDFZ/DIH24/1.00  
:  
:FORECASTER COMMENTS...  
:  
:************************************************************  
:SHREVEPORT, LA - RED RIVER  
:ACTION STAGE MISSING MINOR FLOOD STAGE MISSING  
:MODERATE FLOOD STAGE MISSING MAJOR FLOOD STAGE MISSING  
:  
:LATEST ESTIMATED RIVER DISCHARGE 10.44 KCFS AT 1200 Z ON MAY 27  
: MODEL SIMULATED INFLOWS  
.ER SVPL1 20260526 Z DC202605271411/DH18/QRIPZ/DIH6  
:FLOW OBS / 18Z / 00Z / 06Z / 12Z  
.E1 : 0526 : /10.47E /10.43E /10.41E /10.44E  
:  
.ER SVPL1 0527 Z DC202605271411/DH18/QRIFFZZ/DIH6  
:FLOW FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 10.53 / 10.68 / 10.83  
.E2 : 0528 : / 10.94 / 11.01 / 11.05 / 11.07  
.E3 : 0529 : / 11.07 / 11.09 / 11.10 / 11.11  
.E4 : 0530 : / 11.12 / 11.10 / 11.08 / 11.04  
.E5 : 0531 : / 11.01 / 10.97 / 10.95 / 10.93  
.E6 : 0601 : / 10.93  
.ER SVPL1 0527 Z DC202605271411/DH18/PPQFZ/DIH6  
:QPF FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 0.50 / 0.12 / 0.15  
.E2 : 0528 : / 0.07  
.ER SVPL1 0527 Z DC202605271411/DH18/PPDFZ/DIH24/0.84  
:  
:FORECASTER COMMENTS...  
:  
:************************************************************  
:COUSHATTA, LA - RED RIVER  
:ACTION STAGE MISSING MINOR FLOOD STAGE MISSING  
:MODERATE FLOOD STAGE MISSING MAJOR FLOOD STAGE MISSING  
:  
:LATEST ESTIMATED RIVER DISCHARGE 11.82 KCFS AT 1200 Z ON MAY 27  
: MODEL SIMULATED INFLOWS  
.ER CSHL1 20260526 Z DC202605271411/DH18/QRIPZ/DIH6  
:FLOW OBS / 18Z / 00Z / 06Z / 12Z  
.E1 : 0526 : /11.78E /11.82E /11.83E /11.82E  
:  
.ER CSHL1 0527 Z DC202605271411/DH18/QRIFFZZ/DIH6  
:FLOW FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 11.82 / 11.85 / 11.92  
.E2 : 0528 : / 12.02 / 12.13 / 12.25 / 12.34  
.E3 : 0529 : / 12.41 / 12.46 / 12.48 / 12.49  
.E4 : 0530 : / 12.50 / 12.49 / 12.48 / 12.45  
.E5 : 0531 : / 12.41 / 12.37 / 12.32 / 12.28  
.E6 : 0601 : / 12.23  
.ER CSHL1 0527 Z DC202605271411/DH18/PPQFZ/DIH6  
:QPF FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 0.35 / 0.21 / 0.26  
.E2 : 0528 : / 0.03  
.ER CSHL1 0527 Z DC202605271411/DH18/PPDFZ/DIH24/0.85  
:  
:FORECASTER COMMENTS...  
:  
:************************************************************  
:GRAND ECORE, LA - RED RIVER  
:ACTION STAGE MISSING MINOR FLOOD STAGE MISSING  
:MODERATE FLOOD STAGE MISSING MAJOR FLOOD STAGE MISSING  
:  
:LATEST ESTIMATED RIVER DISCHARGE 12.12 KCFS AT 1200 Z ON MAY 27  
: MODEL SIMULATED INFLOWS  
.ER GREL1 20260526 Z DC202605271411/DH18/QRIPZ/DIH6  
:FLOW OBS / 18Z / 00Z / 06Z / 12Z  
.E1 : 0526 : /12.05E /12.09E /12.12E /12.12E  
:  
.ER GREL1 0527 Z DC202605271411/DH18/QRIFFZZ/DIH6  
:FLOW FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 12.14 / 12.26 / 12.54  
.E2 : 0528 : / 12.90 / 13.18 / 13.34 / 13.38  
.E3 : 0529 : / 13.38 / 13.36 / 13.33 / 13.29  
.E4 : 0530 : / 13.24 / 13.20 / 13.15 / 13.11  
.E5 : 0531 : / 13.06 / 13.00 / 12.94 / 12.88  
.E6 : 0601 : / 12.81  
.ER GREL1 0527 Z DC202605271411/DH18/PPQFZ/DIH6  
:QPF FORECAST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0527 : / 0.59 / 0.18 / 0.19  
.E2 : 0528 : / 0.04  
.ER GREL1 0527 Z DC202605271411/DH18/PPDFZ/DIH24/1.00  
:  
:FORECASTER COMMENTS...  
:  
:  
:*******************************************************************  
:  
.AR ORN 0527 DT202605271411/YIIRZ 10 : EJN  
:  
 
:  
:...END OF MESSAGE...  
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