257 FOUS74 KORN 151511 FFHFFC HEADWATER GUIDANCE FOR HSA.....ATLANTA GA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 1010 AM CDT WED APR 15 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260415 Z DH12/DC2604151510 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....GEORGIA : ENGG1 1.8/ 1.9/ 2.1 :NEW ENGLAND, GA LOOKOUT CREEK HWEG1 3.1/ 3.5/ 4.4 :HIAWASSEE, GA HIAWASSEE R. .END $$  792 FOUS74 KORN 151511 FFHGSP HEADWATER GUIDANCE FOR HSA.....GREENVILLE/SPARTANBURG SC NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 1010 AM CDT WED APR 15 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260415 Z DH12/DC2604151510 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....NORTH CAROLINA : ROSN7 3.5/ 4.9/ 5.5/ 6.0/ 6.5 :ROSMAN, NC FRENCH BROAD R. BLTN7 3.2/ 4.2/ 5.5/ 6.0/ 6.5 :BILTMORE, NC SWANNANOAH R. BIRN7 3.5/ 5.0/ 5.5/ 6.0/ 6.5 :BIRDTOWN, NC OCONALUFTEE R. .END $$  556 FOUS74 KORN 151511 FFHHUN HEADWATER GUIDANCE FOR HSA.....HUNTSVILLE AL NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 1010 AM CDT WED APR 15 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260415 Z DH12/DC2604151510 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....ALABAMA : FRYA1 2.2/ 2.4/ 2.6 :FARLEY, AL ALDRIDGE CREEK SHEA1 2.1/ 2.2/ 2.4 :SHERWOOD, AL ALDRIDGE CREEK ATNA1 3.5/ 4.5/ 4.9 :ATHENS, AL LIMESTONE CREEK BPPA1 3.5/ 3.8/ 4.0 :BUCKS POCKET, AL S. SAUTY CREEK MADA1 3.0/ 3.3/ 3.5 :MADISON, AL INDIAN CREEK .END $$  246 FOUS74 KORN 151511 FFHJAN HEADWATER GUIDANCE FOR HSA.....JACKSON MS NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 1010 AM CDT WED APR 15 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260415 Z DH12/DC2604151510 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....MISSISSIPPI : MEIM6 3.5/ 5.0/ 5.5 :MERIDIAN, MS SOWASHEE CREEK JCCM6 3.2/ 4.0/ 4.6 :JACKSON, MS CANY CREEK JHMM6 3.5/ 4.1/ 4.9 :JACKSON, MS HANGING MOSS CREEK LYNM6 3.4/ 4.1/ 4.7 :JACKSON, MS LYNCH CREEK TOWM6 3.3/ 4.0/ 4.7 :JACKSON, MS TOWN CREEK UBCM6 3.4/ 4.1/ 4.7 :JACKSON, MS EUBANKS CREEK .END $$  990 FOUS74 KORN 151511 FFHLZK HEADWATER GUIDANCE FOR HSA.....LITTLE ROCK AR NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 1010 AM CDT WED APR 15 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260415 Z DH12/DC2604151510 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....ARKANSAS : BTNA4 3.5/ 4.1/ 4.7 :BENTON, AR SALINE R. CIGA4 2.6/ 2.8/ 3.0 :CLINTON, AR S. FK LZKTLE RED R. HDYA4 3.1/ 4.0/ 5.1 :HARDY, AR SPRING R. .END $$  849 FGUS74 KORN 151511 FFHMRX HEADWATER GUIDANCE FOR HSA.....MORRISTOWN TN NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 1010 AM CDT WED APR 15 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260415 Z DH12/DC2604151510 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....TENNESSEE : DOET1 3.0/ 3.4/ 3.9/ 4.7/ 5.8 :ELIZABETHTON, TN DOE R. RMTT1 3.3/ 3.7/ 5.5/ 5.5/ 5.8 :ROAN MOUNTAIN, TN DOE R. : :.....VIRGINIA : CLVV2 2.3/ 2.5/ 2.6/ 3.0/ 3.7 :CLEVELAND, VA CLINCH R. .END $$  514 FOUS74 KORN 151511 FFHRNK HEADWATER GUIDANCE FOR HSA.....BLACKSBURG VA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 1010 AM CDT WED APR 15 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260415 Z DH12/DC2604151510 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME STREAM :======= ==== ==== ==== ==== ==== ==================== ================== : :.....VIRGINIA : SALV2 2.1/ 2.3/ 2.5/ 2.9/ 3.7 :SALTVILLE, VA N.F. HOLSTON R. SGWN7 1.3/ 1.3/ 1.6/ 2.1/ 3.0 :SUGAR GROVE, NC WATAUGA R. SMFV2 2.8/ 2.9/ 3.1/ 3.5/ 4.2 :SEVEN MILE FORD, VA M.F. HOLSTON R. RLRV2 1.5/ 1.6/ 1.7/ 2.1/ 3.0 :RICHLANDS, VA CLINCH R. .END $$  141 FOUS74 KORN 151511 FFHSHV HEADWATER GUIDANCE FOR HSA.....SHREVEPORT LA NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 1010 AM CDT WED APR 15 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260415 Z DH12/DC2604151510 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....LOUISIANA : KEIL1 3.5/ 3.8/ 4.0 :KEITHVILLE, LA CYPRESS BAYOU .END $$  131 FOUS74 KORN 151511 FFHLSX HEADWATER GUIDANCE FOR HSA.....ST. LOUIS MO NATIONAL WEATHER SERVICE LOWER MISSISSIPPI RIVER FORECAST CENTER, SLIDELL LA 1010 AM CDT WED APR 15 2026 INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE FLASH FLOODING IN HEADWATERS. .B SIL 260415 Z DH12/DC2604151510 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR HEADWATER NAME STREAM :======= ==== ==== ==== ==================== ================== : :.....MISSOURI : ANNM7 3.5/ 4.5/ 5.4 :ANNAPOLIS, MO BLACK R. .END $$  911 FOUS71 KTAR 151536 FFHTAR HEADWATER FLASH FLOOD GUIDANCE NATIONAL WEATHER SERVICE NORTHEAST RIVER FORECAST CENTER... NORTON MA 1130 AM EDT WED APR 15 2026 : WATERSHED AREA AVERAGE RAINFALL IN INCHES REQUIRED : TO EXCEED FLOOD STAGE : HSA - HYDROLOGIC SERVICE AREA .B TAR 260415 Z DH12/DC2604151530 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :=========================================================== : CARIBOU HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== MASM1 2.2/ 2.2/ 2.4/ 2.4/ 2.4 :MASARDIS, ME DOVM1 1.6/ 1.8/ 1.8/ 2.0/ 2.0 :DOVER, ME WENM1 3.0/ 4.5/ 6.0/ 7.0/ 8.0 :WEST ENFIELD, ME :=========================================================== : GRAY HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== NANM1 1.9/ 2.0/ 2.2/ 2.9/ 3.1 :NORTH ANSON, ME SKOM1 2.1/ 2.8/ 3.1/ 3.5/ 4.2 :SKOWHEGAN, ME ROXM1 0.7/ 0.8/ 0.9/ 1.2/ 2.0 :ROXBURY, ME CNWN3 1.4/ 1.5/ 1.5/ 1.9/ 2.1 :CONWAY, NH WOON3 0.5/ 0.5/ 0.5/ 0.5/ 0.6 :WOODSTOCK, NH RUMN3 2.2/ 2.3/ 2.4/ 2.6/ 3.3 :RUMNEY, NH BRSN3 2.7/ 2.8/ 2.8/ 3.0/ 3.3 :BRISTOL, NH DAVN3 2.5/ 2.7/ 3.0/ 3.8/ 4.7 :DAVISVILLE, NH NSTN3 1.6/ 1.9/ 2.1/ 2.2/ 2.5 :N STRATFORD, NH BETN3 1.6/ 1.7/ 1.7/ 2.0/ 2.9 :BETHLEHEM JCT, NH PTRN3 2.8/ 2.9/ 2.9/ 3.3/ 3.8 :PETERBORO, NH GFFN3 2.0/ 2.1/ 2.4/ 2.9/ 3.9 :GOFFSTOWN, NH :=========================================================== : BOSTON HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== FBGM3 2.1/ 2.2/ 2.2/ 3.0/ 4.1 :FITCHBURG, MA WGTM3 2.0/ 2.1/ 2.2/ 2.9/ 4.6 :WEST GROTON, MA MAYM3 2.5/ 2.5/ 2.6/ 4.6/ 5.8 :MAYNARD, MA SAXM3 1.6/ 2.1/ 3.7/ 4.4/ 5.9 :SAXONVILLE, MA WLMM3 2.9/ 3.1/ 3.3/ 4.5/ 7.0 :WILMINGTON, MA NRWM3 2.4/ 3.8/ 4.5/ 6.6/ 7.5 :NORWOOD, MA DOVM3 3.0/ 3.9/ 3.9/ 4.5/ 5.5 :DOVER, MA NBRM3 2.8/ 3.0/ 3.3/ 4.5/ 6.8 :NORTHBRIDGE, MA WLMC3 3.0/ 4.5/ 4.9/ 5.3/ 6.0 :WILLIMANTIC, CT WSFM3 2.7/ 3.4/ 3.9/ 4.6/ 5.7 :WESTFIELD, MA UNVC3 1.7/ 2.0/ 2.7/ 4.5/ 6.8 :UNIONVILLE, CT :=========================================================== : NEW YORK HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== GRDN6 2.7/ 3.4/ 3.7/ 4.0/ 4.7 :GARDINER, NY YTCC3 2.0/ 2.6/ 2.9/ 3.2/ 3.9 :YANTIC, CT :=========================================================== : BURLINGTON HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== CZRN6 2.2/ 2.3/ 2.4/ 3.3/ 4.1 :PERRY MILLS, NY ASFN6 0.7/ 0.7/ 0.8/ 1.0/ 1.2 :AUSABLE FORKS, NY CENV1 2.1/ 2.1/ 2.1/ 2.1/ 2.2 :CENTER RUTLAND, VT MONV1 1.5/ 1.5/ 1.6/ 2.0/ 2.8 :MONTPELIER, VT MOOV1 0.9/ 0.9/ 1.0/ 1.3/ 2.0 :MORETOWN, VT JONV1 1.2/ 1.3/ 1.3/ 1.3/ 1.7 :JOHNSON, VT NTYV1 0.5/ 0.5/ 0.5/ 0.8/ 1.2 :NORTH TROY, VT PASV1 1.5/ 2.1/ 2.2/ 2.2/ 2.2 :PASSUMPSIC, VT WLRV1 1.5/ 1.6/ 1.6/ 1.7/ 2.4 :WELLS RIVER, VT WEHV1 1.5/ 1.8/ 2.0/ 2.1/ 2.4 :W HARTFORD, VT :=========================================================== : ALBANY HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== NWCN6 3.0/ 3.3/ 3.5/ 3.6/ 4.1 :NEWCOMB, NY HOPN6 1.9/ 2.1/ 2.3/ 2.4/ 2.9 :HOPE, NY GVVN6 1.7/ 1.8/ 1.9/ 2.0/ 2.8 :MID. GRANVILLE, NY BTTN6 1.9/ 2.5/ 2.9/ 3.2/ 3.9 :BATTENVILLE, NY WILM3 1.2/ 1.5/ 1.8/ 2.2/ 2.7 :WILLIAMSTOWN, MA BNTV1 1.5/ 1.6/ 1.8/ 2.1/ 2.6 :N. BENNINGTON, VT LTLN6 2.0/ 2.8/ 3.2/ 3.4/ 4.0 :LITTLE FALLS, NY PTVN6 2.0/ 2.2/ 2.5/ 2.8/ 4.3 :PRATTSVILLE, NY MTRN6 2.0/ 2.3/ 2.6/ 3.1/ 4.6 :COLD BROOK, NY ROSN6 1.7/ 2.6/ 3.0/ 3.4/ 4.2 :ROSENDALE, NY WAPN6 1.8/ 2.4/ 2.8/ 3.2/ 4.1 :WAPPINGER FALLS, NY GTBM3 3.0/ 4.5/ 5.1/ 5.7/ 7.0 :GT. BARRINGTON, MA TENN6 3.0/ 4.1/ 4.3/ 4.8/ 5.6 :GAYLORDSVILLE, CT GAYC3 2.0/ 2.3/ 2.4/ 2.6/ 3.0 :GAYLORDSVILLE, CT :=========================================================== : BINGHAMTON HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== FLLN6 2.0/ 2.1/ 2.4/ 2.8/ 3.4 :ITHACA, NY ONDN6 1.6/ 1.7/ 1.9/ 2.5/ 3.1 :SYRACUSE, NY NEIN6 1.3/ 1.6/ 1.8/ 2.1/ 2.7 :ONEIDA, NY :=========================================================== : BUFFALO HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== GOWN6 1.1/ 1.4/ 1.5/ 1.7/ 1.9 :GOWANDA, NY GDVN6 0.9/ 1.1/ 1.3/ 1.6/ 2.1 :GARDENVILLE, NY LCSN6 0.9/ 1.0/ 1.2/ 1.5/ 1.9 :LANCASTER, NY EBZN6 0.8/ 1.1/ 1.2/ 1.5/ 1.9 :EBENEZER, NY WILN6 1.2/ 1.3/ 1.3/ 1.5/ 1.7 :WILLIAMSVILLE, NY BTVN6 1.7/ 1.7/ 1.8/ 2.0/ 2.3 :BATAVIA, NY WLLN6 1.1/ 1.4/ 1.5/ 1.6/ 1.9 :WELLSVILLE, NY GRBN6 1.7/ 2.0/ 2.2/ 2.4/ 2.8 :GARBUTT, NY CHRN6 1.8/ 2.1/ 2.2/ 2.4/ 2.7 :CHURCHVILLE, NY BOON6 2.6/ 2.7/ 2.8/ 3.0/ 3.7 :BOONVILLE, NY .END $$ NYC WATER SUPPLY FORECAST ESTIMATED RUNOFF IN MILLIONS OF GALLONS RESULTING FROM THE FOLLOWING 6-HOUR PRECIPITATION AMOUNTS IN INCHES : Drainage areas in square miles are: GILBOA - 315. ASHOKAN - 257. RONDOUT - 95. W.BRANCH - 43. CROTON - 335. KENSICO - 13. : .B TAR 260415 Z DH12/DC2604151536 /DUE/QMXC1/QMXC2/QMXC3/QMXC4 .B1 /QMXC5/QMXC6 : : RAINFALL :IDENT 0.5 1.0 1.5 2.0 3.0 5.0 LOCATION :======= ===== ====== ====== ====== ======= ======= ================ RONDOUT 267/ 581/ 895/ 1373/ 3006/ 6298/ : RONDOUT RESERVOIR CROTON 358/ 1092/ 1955/ 2841/ 5527/ 16429/ : NEW CROTON DAM W.BRANC 24/ 65/ 127/ 189/ 333/ 1340/ : W.BRANCH RESERVOIR KENSICO 30/ 79/ 189/ 301/ 526/ 976/ : KENSICO GILBOA 864/ 1954/ 3579/ 6141/ 11440/ 22221/ : SCHOHARIE RESERVOIR ASHOKAN 1044/ 2130/ 3232/ 4491/ 8680/ 17426/ : ASHOKAN RESERVOIR .END $$