Extended Streamflow Guidance
Issued by NWS
Issued by NWS
Versions:
1
548 FGUS63 KMSR 271722 ESGM19 MISSISSIPPI RIVER FROM DUBUQUE..IOWA TO GREGORY LANDING..MISSOURI LONG-RANGE PROBABILISTIC OUTLOOK NATIONAL WEATHER SERVICE NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 1221 PM CDT THU JUN 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: 07/01/2024 - 09/29/2024 : 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 -------- ----- ----- ----- : ---- ---- ---- ---- ---- ---- :Mississippi River DLDI4 16.0 17.0 20.5 >95 8 >95 6 <5 <5 DBQI4 17.0 18.0 21.5 >95 11 >95 7 7 <5 BLVI4 17.0 18.0 20.0 >95 7 >95 <5 <5 <5 FLTI2 16.0 18.0 20.0 >95 11 >95 5 11 <5 CMMI4 17.0 18.5 20.5 >95 9 >95 5 11 <5 LECI4 11.0 12.0 13.5 >95 13 >95 7 >95 <5 RCKI2 15.0 16.0 18.0 >95 15 >95 13 >95 6 ILNI2 15.0 16.0 18.0 >95 14 >95 13 >95 8 MUSI4 16.0 18.0 20.0 >95 15 >95 13 >95 8 NBOI2 15.0 16.5 18.5 >95 20 >95 13 >95 9 KHBI2 14.0 15.5 17.0 >95 20 >95 12 >95 10 GLDI2 10.0 12.0 14.0 >95 20 >95 11 >95 9 BRLI4 15.0 16.5 18.0 >95 19 >95 13 >95 9 EOKI4 16.0 17.5 19.0 >95 9 >95 8 16 <5 GGYM7 15.0 18.0 25.0 >95 25 >95 10 <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 0701 Z DH12 /DC2406271721/DVD90/HGVFZXT/HGVFZX9/HGVFZXH .B1 /HGVFZX5/HGVFZXG/HGVFZX1/HGVFZXF : : Chance of Exceeding Stages (ft) at Specific Locations : Valid Period: 07/01/2024 - 09/29/2024 : : 95% 90% 75% 50% 25% 10% 5% : --- --- --- --- --- --- --- :Mississippi River DLDI4 19.6/ 19.6/ 19.6/ 19.6/ 19.6/ 19.6/ 19.9 DBQI4 21.4/ 21.4/ 21.4/ 21.4/ 21.4/ 21.4/ 21.7 BLVI4 19.1/ 19.1/ 19.1/ 19.1/ 19.1/ 19.2/ 19.6 FLTI2 19.7/ 19.7/ 19.7/ 19.7/ 19.7/ 20.1/ 21.2 CMMI4 20.2/ 20.2/ 20.2/ 20.2/ 20.3/ 20.7/ 21.8 LECI4 13.8/ 13.8/ 13.8/ 13.8/ 13.9/ 14.7/ 15.5 RCKI2 19.0/ 19.0/ 19.0/ 19.0/ 19.1/ 20.2/ 20.9 ILNI2 19.1/ 19.1/ 19.1/ 19.1/ 19.3/ 20.8/ 21.9 MUSI4 20.9/ 20.9/ 20.9/ 20.9/ 21.1/ 22.4/ 23.5 NBOI2 20.2/ 20.2/ 20.2/ 20.3/ 20.5/ 21.5/ 22.3 KHBI2 18.1/ 18.1/ 18.1/ 18.1/ 18.2/ 19.0/ 19.9 GLDI2 14.8/ 14.8/ 14.8/ 14.8/ 14.9/ 15.8/ 16.9 BRLI4 18.9/ 18.9/ 18.9/ 18.9/ 19.1/ 19.9/ 21.0 EOKI4 17.8/ 17.8/ 17.9/ 17.9/ 18.4/ 19.3/ 20.4 GGYM7 20.0/ 20.0/ 20.0/ 20.1/ 21.3/ 22.3/ 23.2 .END IN TABLE 3 BELOW...THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE PROBABILITY OF FALLING BELOW THE LISTED STAGE LEVELS (FT) FOR THE VALID TIME PERIOD. :...TABLE 3--NONEXCEEDANCE PROBABILITIES... .B MSR 0701 Z DH12 /DC2406271721/DVD90/HGVFZNT/HGVFZN9/HGVFZNH .B1 /HGVFZN5/HGVFZNG/HGVFZN1/HGVFZNF : : Chance of Falling Below Stages (ft) at Specific Locations : Valid Period: 07/01/2024 - 09/29/2024 : : 95% 90% 75% 50% 25% 10% 5% : --- --- --- --- --- --- --- :Mississippi River DLDI4 6.4/ 6.2/ 5.3/ 4.9/ 4.7/ 4.5/ 4.3 DBQI4 8.8/ 8.6/ 8.1/ 7.8/ 7.7/ 7.5/ 7.4 BLVI4 7.1/ 6.6/ 5.2/ 4.7/ 4.3/ 4.1/ 3.9 FLTI2 6.8/ 6.2/ 5.0/ 4.8/ 4.6/ 4.5/ 4.4 CMMI4 9.8/ 9.5/ 9.1/ 8.9/ 8.8/ 8.8/ 8.7 LECI4 5.7/ 5.4/ 4.9/ 4.7/ 4.6/ 4.5/ 4.5 RCKI2 7.3/ 6.4/ 5.6/ 5.1/ 4.7/ 4.5/ 4.3 ILNI2 5.9/ 5.1/ 4.5/ 4.1/ 3.8/ 3.6/ 3.5 MUSI4 7.7/ 7.1/ 6.6/ 6.3/ 6.2/ 6.0/ 5.9 NBOI2 7.0/ 5.9/ 4.8/ 4.2/ 3.8/ 3.6/ 3.4 KHBI2 8.4/ 7.4/ 6.4/ 5.9/ 5.7/ 5.6/ 5.5 GLDI2 3.9/ 3.0/ 2.1/ 1.6/ 1.4/ 1.2/ 1.0 BRLI4 9.9/ 9.0/ 8.3/ 8.1/ 7.9/ 7.7/ 7.6 EOKI4 6.0/ 5.1/ 4.2/ 3.5/ 2.6/ 2.4/ 2.3 GGYM7 8.4/ 6.9/ 6.7/ 6.4/ 6.3/ 6.2/ 6.2 .END :Long-range probabilistic outlooks are issued near the end of :the month throughout the year. $$