145  
FGUS74 KSHV 191541  
ESFSHV  
 
PROBABILISTIC HYDROLOGIC OUTLOOK  
NATIONAL WEATHER SERVICE SHREVEPORT LA  
941 AM CST THU DEC 19 2024  
 
...NATIONAL WATER PREDICTION SERVICE (NWPS) LONG RANGE  
PROBABILISTIC OUTLOOK FOR THE NECHES RIVER BASIN OF EAST TEXAS...  
 
IN THE TABLE BELOW, THE 90 THROUGH 10 PERCENT COLUMNS INDICATE THE  
CHANCE THE RIVER COULD RISE ABOVE THE LISTED STAGE LEVELS DURING  
THE NEXT 90 DAYS. FOR EXAMPLE, FOR THE MUD CREEK NEAR JACKSONVILLE  
TEXAS, THE FLOOD STAGE IS 9 FEET. THERE IS A 50 PERCENT CHANCE THE  
MUD CREEK WILL RISE ABOVE 8.9 FEET DURING THE NEXT 90 DAYS.  
 
CHANCE OF EXCEEDING STAGES AT SPECIFIC LOCATIONS  
VALID FOR DECEMBER 19, 2024 THROUGH MARCH 18, 2025  
 
LOCATION FS 90% 80% 70% 60% 50% 40% 30% 20% 10%  
------------------ -- --- --- --- --- --- --- --- --- ---  
MUD CREEK  
JACKSONVILLE 7E 9 7.2 7.7 8.0 8.4 8.9 9.3 9.8 10.1 10.9  
EAST FORK ANGELINA RIVER  
CUSHING 4N 15 14.6 15.5 15.8 16.0 16.2 16.3 16.4 16.8 17.1  
ANGELINA RIVER  
ALTO 8E 29 19.8 23.9 27.1 27.5 28.1 28.3 28.4 28.8 29.5  
ATTOYAC BAYOU  
CHIRENO 3E 14 14.1 17.7 18.5 19.1 19.5 19.7 20.1 20.7 21.9  
AYISH BAYOU  
SAN AUGUSTINE 10S 12 10.2 10.8 11.3 12.0 13.1 13.6 13.8 14.2 15.2  
NECHES RIVER  
NECHES 4NE 12 7.3 12.2 12.9 13.8 14.4 14.8 15.1 15.7 16.2  
ALTO 8SW 16 8.9 13.1 14.0 15.4 16.3 17.3 17.9 18.2 18.9  
DIBOLL 4S 12 9.6 12.4 13.1 13.9 14.1 14.2 14.7 15.2 15.6  
ROCKLAND 26 9.1 12.4 15.3 18.0 19.3 21.5 23.7 25.3 26.9  
 
LOCATION 90% 80% 70% 60% 50% 40% 30% 20% 10%  
------------ ----- ----- ----- ----- ----- ----- ----- ----- -----  
LK PALESTINE 344.5 344.8 345.1 345.3 345.6 345.8 346.1 346.3 346.9  
 
THIS LONG RANGE PROBABILISTIC OUTLOOK USES PROBABILITIES  
COMPUTED USING MULTIPLE SCENARIOS FROM 60 YEARS OF HISTORICAL  
CLIMATOLOGICAL AND STREAM FLOW DATA. THESE PROBABILITIES ALSO  
ACCOUNT FOR THE CURRENT RIVER FLOWS AND SOIL MOISTURE CONDITIONS.  
BY PROVIDING THE COMPLETE RANGE OF PROBABILISTIC NUMBERS, THE  
LEVEL OF RISK ASSOCIATED WITH LONG RANGE PLANNING DECISIONS CAN BE  
DETERMINED.  
 
ADDITIONAL SUPPORTIVE DATA AND EXPLANATIONS ARE AVAILABLE ON THE  
INTERNET AT THIS URL: HTTPS://WATER.WEATHER.GOV/WFO/SHV (INTERNET  
ADDRESS URL IS ALL LOWER CASE).  
 
LONG RANGE PROBABILISTIC OUTLOOKS ARE ISSUED DURING THE THIRD  
THURSDAY OF EVERY MONTH.  
 
 
 
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