


Extended Streamflow Guidance
Issued by NWS Shreveport, LA
Issued by NWS Shreveport, LA
722 FGUS64 KTUA 081550 ESGSHV LONG-RANGE PROBABILISTIC OUTLOOK NATIONAL WEATHER SERVICE ARKANSAS-RED BASIN RIVER FORECAST CENTER, TULSA, OK 1048 AM CDT THU MAY 8 2025 IN TABLE 1 BELOW...THE CURRENT (CS) AND HISTORICAL (HS) OR NORMAL PROBABILITIES OF EXCEEDING MINOR...MODERATE...AND MAJOR FLOOD STAGES ARE LISTED FOR THE VALID TIME PERIOD. CS VALUES INDICATE THE PROBABILITY OF REACHING A FLOOD CATEGORY BASED ON CURRENT CONDITIONS. HS VALUES INDICATE THE PROBABILITY OF REACHING A FLOOD CATEGORY BASED ON HISTORICAL OR NORMAL CONDITIONS. WHEN THE VALUE OF CS IS MORE THAN HS...THE PROBABILITY OF EXCEEDING THAT LEVEL IS HIGHER THAN NORMAL. WHEN THE VALUE OF CS IS LESS THAN HS...THE PROBABILITY OF EXCEEDING THAT LEVEL IS LOWER THAN NORMAL. ...TABLE 1--PROBABILITIES FOR MINOR...MODERATE AND MAJOR FLOODING... Valid 05/08/2025 - 08/06/2025 : CURRENT AND HISTORICAL CHANCES : OF EXCEEDING FLOOD CATEGORIES : AS A PERCENTAGE(%) CATEGORICAL : FLOOD STAGES (FT) : MINOR MODERATE MAJOR LOCATION MINOR MOD MAJOR : CS HS CS HS CS HS -------- ----- ----- ----- : ---- ---- ---- ---- ---- ---- :Red River DEKT2 24.0 27.0 30.0 84 23 38 9 20 <5 INGA4 25.0 26.0 28.0 7 <5 5 <5 <5 <5 FLTA4 27.0 30.0 32.5 <5 <5 <5 <5 <5 <5 :Glover River GLOO2 16.0 19.0 22.0 20 20 11 11 <5 <5 :Little River IDBO2 30.0 32.0 34.0 19 18 11 9 <5 <5 HRGA4 27.0 28.5 30.0 17 9 12 7 8 5 LEGEND CS = CONDITIONAL SIMULATION (CURRENT OUTLOOK) HS = HISTORICAL SIMULATION FT = FEET IN TABLE 2 BELOW...THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE PROBABILITY OF EXCEEDING THE LISTED STAGE LEVELS (FT) FOR THE VALID TIME PERIOD. ...TABLE 2--EXCEEDANCE PROBABILITIES... .B TUA 0508 Z DH12 /DC202505081548/DRD+6/DVD90/HGVFZXT .B1 /HGVFZX9/HGVFZXH/HGVFZX5/HGVFZXG/HGVFZX1/HGVFZXF : Chance of Exceeding Stages at Specific Locations : Valid 05/08/2025 - 08/06/2025 : : 95% 90% 75% 50% 25% 10% 5% : --- --- --- --- --- --- --- :Red River DEKT2 23.7/ 23.8/ 24.3/ 25.7/ 28.5/ 33.1/ 33.6 INGA4 13.0/ 13.1/ 13.7/ 15.0/ 18.3/ 23.9/ 26.1 FLTA4 16.1/ 16.1/ 16.9/ 18.8/ 19.6/ 23.1/ 25.9 :Glover River GLOO2 5.9/ 5.9/ 6.3/ 9.9/ 14.7/ 19.5/ 21.7 :Little River IDBO2 19.8/ 19.8/ 19.8/ 22.0/ 28.5/ 32.5/ 32.9 HRGA4 18.8/ 18.8/ 18.8/ 19.2/ 24.6/ 29.4/ 31.1 :Long-range probabilistic outlooks will be issued monthly :throughout the year. .END $$