Extended Streamflow Guidance
Issued by NWS
Issued by NWS
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615 FGUS63 KMSR 271249 ESGKDF KANKAKEE..DES PLAINES..FOX RIVER BASINS LONG-RANGE PROBABILISTIC OUTLOOK NATIONAL WEATHER SERVICE NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 649 AM CST WED NOV 27 2024 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 PERIOD: 12/02/2024 - 03/02/2025 : 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 -------- ----- ----- ----- : ---- ---- ---- ---- ---- ---- :North Branch Chicago River NBPI2 18.0 20.0 21.0 <5 <5 <5 <5 <5 <5 :Des Plaines River RUSI2 7.0 9.0 10.0 16 20 <5 <5 <5 <5 GUNI2 7.0 9.0 11.0 14 16 <5 <5 <5 <5 LDRI2 12.5 14.0 15.5 <5 <5 <5 <5 <5 <5 DSPI2 15.0 18.0 19.0 <5 6 <5 <5 <5 <5 RVFI2 16.0 17.5 18.5 <5 <5 <5 <5 <5 <5 RVRI2 7.5 8.0 9.0 10 9 <5 <5 <5 <5 LEMI2 10.0 13.0 15.0 22 26 <5 <5 <5 <5 :West Branch Du Page River WRNI2 12.5 14.5 17.5 <5 <5 <5 <5 <5 <5 :East Branch Du Page River BOLI2 20.0 22.0 24.0 <5 <5 <5 <5 <5 <5 :Du Page River NDRI2 12.0 14.0 15.0 <5 <5 <5 <5 <5 <5 SORI2 15.0 17.0 19.0 13 13 <5 <5 <5 <5 :Fox River WKEW3 6.0 8.0 10.0 <5 <5 <5 <5 <5 <5 BRGW3 11.0 12.0 14.0 <5 <5 <5 <5 <5 <5 NMSW3 11.0 13.0 14.0 33 30 6 9 <5 <5 AFBI2 9.5 10.5 12.0 <5 5 <5 <5 <5 <5 MNGI2 13.5 15.0 16.0 <5 7 <5 <5 <5 <5 DAYI2 12.0 14.0 24.0 13 17 <5 7 <5 <5 :Kankakee River DAVI3 10.0 12.0 13.0 17 23 <5 6 <5 <5 :Yellow River PYMI3 13.0 14.0 15.0 25 27 10 18 6 13 KNXI3 10.0 12.0 13.0 5 10 <5 5 <5 <5 :Kankakee River DBRI3 10.0 12.0 13.0 16 27 5 10 <5 <5 SLBI3 10.5 11.5 12.5 18 32 9 15 <5 9 MOMI2 5.0 6.5 9.0 14 17 7 9 <5 6 :Iroquois River RZLI3 12.0 14.0 15.0 12 28 5 11 <5 10 FSMI3 18.0 22.0 24.0 14 31 <5 8 <5 <5 IRQI2 18.0 24.0 25.0 23 56 <5 10 <5 8 :Sugar Creek MILI2 18.0 22.0 26.0 32 41 11 13 <5 <5 :Iroquois River CHBI2 16.0 18.0 20.0 6 19 <5 11 <5 7 :Kankakee River WLMI2 6.5 8.0 10.0 5 17 <5 8 <5 <5 :Mazon River COLI2 12.0 16.0 19.0 <5 19 <5 <5 <5 <5 :Vermilion River PNTI2 14.0 15.0 18.0 <5 11 <5 10 <5 <5 LNRI2 16.0 21.0 26.0 9 28 <5 9 <5 <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 MSR 1202 Z DH12 /DC2411271249/DVD90/HGVFZXT/HGVFZX9/HGVFZXH .B1 /HGVFZX5/HGVFZXG/HGVFZX1/HGVFZXF : : Chance of Exceeding Stages (ft) at Specific Locations : Valid Period: 12/02/2024 - 03/02/2025 : : 95% 90% 75% 50% 25% 10% 5% : --- --- --- --- --- --- --- :North Branch Chicago River NBPI2 11.4/ 11.7/ 12.2/ 13.1/ 14.1/ 15.3/ 15.5 :Des Plaines River RUSI2 3.2/ 3.9/ 4.6/ 5.5/ 6.5/ 7.1/ 7.5 GUNI2 2.0/ 2.5/ 4.2/ 5.0/ 6.2/ 7.2/ 7.7 LDRI2 6.8/ 6.9/ 8.1/ 8.6/ 10.1/ 11.0/ 11.6 DSPI2 8.8/ 9.1/ 10.1/ 11.1/ 12.7/ 13.9/ 14.5 RVFI2 4.4/ 5.1/ 6.9/ 8.6/ 10.6/ 12.5/ 12.9 RVRI2 2.8/ 3.1/ 3.9/ 4.9/ 5.8/ 7.5/ 7.6 LEMI2 6.6/ 7.0/ 7.9/ 8.8/ 9.8/ 11.2/ 11.4 :West Branch Du Page River WRNI2 8.3/ 8.5/ 8.8/ 9.8/ 10.7/ 11.2/ 11.8 :East Branch Du Page River BOLI2 16.0/ 16.2/ 16.9/ 17.9/ 18.4/ 19.2/ 19.8 :Du Page River NDRI2 7.4/ 7.5/ 8.1/ 9.2/ 9.9/ 10.7/ 11.6 SORI2 10.8/ 11.0/ 11.6/ 12.7/ 13.8/ 15.7/ 16.7 :Fox River WKEW3 2.8/ 3.0/ 3.4/ 4.0/ 4.5/ 4.8/ 5.1 BRGW3 6.8/ 6.9/ 7.6/ 8.4/ 9.3/ 10.1/ 10.6 NMSW3 6.4/ 6.8/ 8.4/ 10.1/ 11.5/ 12.4/ 13.1 AFBI2 4.5/ 4.7/ 5.7/ 6.6/ 7.6/ 8.5/ 8.6 MNGI2 11.3/ 11.5/ 11.9/ 12.3/ 12.6/ 13.0/ 13.1 DAYI2 6.0/ 6.4/ 8.2/ 9.3/ 10.6/ 12.6/ 13.2 :Kankakee River DAVI3 6.5/ 6.8/ 7.3/ 8.4/ 9.7/ 10.6/ 11.5 :Yellow River PYMI3 6.4/ 7.4/ 8.0/ 9.9/ 13.0/ 14.0/ 15.9 KNXI3 5.7/ 6.3/ 6.6/ 7.2/ 8.0/ 8.8/ 10.5 :Kankakee River DBRI3 5.0/ 5.5/ 6.5/ 7.9/ 9.7/ 10.7/ 12.0 SLBI3 6.0/ 6.5/ 7.5/ 8.7/ 10.3/ 11.4/ 12.3 MOMI2 2.2/ 2.3/ 2.7/ 3.5/ 4.3/ 5.5/ 7.4 :Iroquois River RZLI3 5.2/ 5.5/ 6.6/ 8.7/ 10.8/ 12.3/ 14.3 FSMI3 7.5/ 8.1/ 10.8/ 14.2/ 17.0/ 18.7/ 20.3 IRQI2 7.5/ 8.3/ 10.1/ 13.0/ 17.6/ 20.7/ 22.5 :Sugar Creek MILI2 6.5/ 7.3/ 10.6/ 15.1/ 18.8/ 22.6/ 23.3 :Iroquois River CHBI2 4.2/ 4.4/ 5.7/ 7.8/ 10.9/ 13.8/ 16.4 :Kankakee River WLMI2 1.6/ 1.8/ 2.1/ 3.1/ 4.3/ 5.8/ 6.6 :Mazon River COLI2 1.4/ 1.4/ 2.2/ 3.7/ 4.9/ 6.3/ 7.1 :Vermilion River PNTI2 3.7/ 3.9/ 4.3/ 5.9/ 7.5/ 9.4/ 11.7 LNRI2 4.6/ 4.7/ 5.8/ 7.8/ 10.7/ 14.4/ 16.6 .END IN TABLE 3 BELOW...THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE PROBABILITY OF FALLING BELOW THE LISTED FLOW LEVELS (KCFS) FOR THE VALID TIME PERIOD. :...TABLE 3--NONEXCEEDANCE PROBABILITIES... .B MSR 1202 Z DH12 /DC2411271249/DVD90/QIVFZNT/QIVFZN9/QIVFZNH .B1 /QIVFZN5/QIVFZNG/QIVFZN1/QIVFZNF : : Chance of Falling Below Flows (kcfs) at Specific Locations : Valid Period: 12/02/2024 - 03/02/2025 : : 95% 90% 75% 50% 25% 10% 5% : --- --- --- --- --- --- --- :North Branch Chicago River NBPI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 :Des Plaines River RUSI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 GUNI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 LDRI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 DSPI2 0.1/ 0.1/ 0.1/ 0.1/ 0.1/ 0.0/ 0.0 RVFI2 0.1/ 0.1/ 0.1/ 0.1/ 0.1/ 0.1/ 0.1 RVRI2 0.2/ 0.2/ 0.2/ 0.1/ 0.1/ 0.1/ 0.1 LEMI2 0.2/ 0.2/ 0.2/ 0.2/ 0.1/ 0.1/ 0.1 :West Branch Du Page River WRNI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 :East Branch Du Page River BOLI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 :Du Page River NDRI2 0.1/ 0.1/ 0.1/ 0.1/ 0.1/ 0.1/ 0.0 SORI2 0.1/ 0.1/ 0.1/ 0.1/ 0.1/ 0.1/ 0.1 :Fox River WKEW3 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 BRGW3 0.3/ 0.3/ 0.3/ 0.2/ 0.2/ 0.2/ 0.2 NMSW3 0.3/ 0.3/ 0.3/ 0.3/ 0.2/ 0.2/ 0.2 AFBI2 0.6/ 0.5/ 0.5/ 0.4/ 0.4/ 0.3/ 0.2 MNGI2 0.6/ 0.6/ 0.6/ 0.5/ 0.4/ 0.4/ 0.2 DAYI2 0.8/ 0.8/ 0.8/ 0.7/ 0.6/ 0.5/ 0.4 :Kankakee River DAVI3 0.3/ 0.3/ 0.3/ 0.3/ 0.3/ 0.3/ 0.3 :Yellow River PYMI3 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 KNXI3 0.1/ 0.1/ 0.1/ 0.1/ 0.1/ 0.1/ 0.1 :Kankakee River DBRI3 0.8/ 0.8/ 0.8/ 0.7/ 0.7/ 0.7/ 0.6 SLBI3 0.9/ 0.9/ 0.9/ 0.9/ 0.8/ 0.8/ 0.7 MOMI2 1.1/ 1.0/ 1.0/ 1.0/ 0.9/ 0.8/ 0.8 :Iroquois River RZLI3 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 FSMI3 0.1/ 0.1/ 0.1/ 0.0/ 0.0/ 0.0/ 0.0 IRQI2 0.1/ 0.1/ 0.1/ 0.1/ 0.0/ 0.0/ 0.0 :Sugar Creek MILI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 :Iroquois River CHBI2 0.2/ 0.2/ 0.2/ 0.1/ 0.1/ 0.1/ 0.1 :Kankakee River WLMI2 1.3/ 1.3/ 1.2/ 1.2/ 1.1/ 1.0/ 0.9 :Mazon River COLI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 :Vermilion River PNTI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 LNRI2 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0/ 0.0 .END :Long-range probabilistic outlooks are issued near the end of :the month throughout the year. $$