Headwater Guidance
Issued by NWS Northeast RFC
Issued by NWS Northeast RFC
865 FOUS71 KTAR 221536 FFHTAR HEADWATER FLASH FLOOD GUIDANCE NATIONAL WEATHER SERVICE NORTHEAST RIVER FORECAST CENTER... NORTON MA 1132 AM EDT TUE APR 22 2025 : WATERSHED AREA AVERAGE RAINFALL IN INCHES REQUIRED : TO EXCEED FLOOD STAGE : HSA - HYDROLOGIC SERVICE AREA .B TAR 250422 Z DH12/DC2504221532 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :=========================================================== : CARIBOU HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== MASM1 3.0/ 3.1/ 3.4/ 3.4/ 3.6 :MASARDIS, ME DOVM1 1.9/ 2.1/ 2.1/ 2.5/ 2.5 :DOVER, ME WENM1 3.0/ 4.5/ 5.5/ 6.5/ 8.0 :WEST ENFIELD, ME :=========================================================== : GRAY HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== NANM1 2.4/ 2.5/ 2.7/ 3.6/ 3.9 :NORTH ANSON, ME SKOM1 2.2/ 3.1/ 3.4/ 3.8/ 4.6 :SKOWHEGAN, ME ROXM1 0.9/ 1.0/ 1.1/ 1.3/ 2.2 :ROXBURY, ME CNWN3 2.1/ 2.2/ 2.3/ 2.8/ 3.1 :CONWAY, NH WOON3 0.9/ 0.9/ 0.9/ 1.1/ 1.9 :WOODSTOCK, NH RUMN3 2.6/ 2.7/ 2.8/ 3.1/ 3.9 :RUMNEY, NH BRSN3 2.8/ 2.9/ 2.9/ 3.2/ 3.5 :BRISTOL, NH DAVN3 2.5/ 2.7/ 3.0/ 3.8/ 4.7 :DAVISVILLE, NH NSTN3 2.2/ 2.8/ 3.0/ 3.2/ 3.8 :N STRATFORD, NH BETN3 2.0/ 2.1/ 2.2/ 2.6/ 3.6 :BETHLEHEM JCT, NH PTRN3 3.0/ 3.1/ 3.2/ 3.6/ 4.1 :PETERBORO, NH GFFN3 2.3/ 2.4/ 2.6/ 3.1/ 4.2 :GOFFSTOWN, NH :=========================================================== : BOSTON HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== FBGM3 2.3/ 2.3/ 2.4/ 3.1/ 4.3 :FITCHBURG, MA WGTM3 2.3/ 2.4/ 2.6/ 3.3/ 5.0 :WEST GROTON, MA MAYM3 2.5/ 2.5/ 2.5/ 4.2/ 5.2 :MAYNARD, MA SAXM3 1.6/ 2.0/ 3.6/ 4.2/ 5.6 :SAXONVILLE, MA WLMM3 3.0/ 3.3/ 3.5/ 4.6/ 7.1 :WILMINGTON, MA NRWM3 2.2/ 3.8/ 4.5/ 6.6/ 7.5 :NORWOOD, MA DOVM3 3.0/ 3.7/ 3.7/ 4.1/ 4.9 :DOVER, MA NBRM3 2.6/ 2.8/ 3.2/ 4.4/ 6.9 :NORTHBRIDGE, MA WLMC3 3.0/ 4.4/ 4.8/ 5.2/ 6.0 :WILLIMANTIC, CT WSFM3 2.7/ 3.3/ 3.7/ 4.3/ 5.3 :WESTFIELD, MA UNVC3 1.8/ 2.1/ 2.7/ 4.5/ 6.8 :UNIONVILLE, CT :=========================================================== : NEW YORK HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== GRDN6 2.9/ 3.5/ 3.7/ 4.0/ 4.6 :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 2.6/ 2.7/ 2.9/ 4.0/ 5.0 :PERRY MILLS, NY ASFN6 1.1/ 1.2/ 1.2/ 1.6/ 1.9 :AUSABLE FORKS, NY CENV1 2.2/ 2.2/ 2.3/ 2.3/ 2.3 :CENTER RUTLAND, VT MONV1 1.8/ 1.9/ 2.1/ 2.5/ 3.2 :MONTPELIER, VT MOOV1 1.2/ 1.2/ 1.4/ 1.7/ 2.4 :MORETOWN, VT JONV1 1.8/ 1.9/ 2.1/ 2.3/ 2.8 :JOHNSON, VT NTYV1 1.1/ 1.3/ 1.6/ 2.5/ 3.3 :NORTH TROY, VT PASV1 2.4/ 2.9/ 3.1/ 3.3/ 3.9 :PASSUMPSIC, VT WLRV1 1.9/ 1.9/ 1.9/ 2.2/ 2.8 :WELLS RIVER, VT WEHV1 1.7/ 2.1/ 2.3/ 2.4/ 2.7 :W HARTFORD, VT :=========================================================== : ALBANY HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== NWCN6 3.0/ 4.2/ 4.4/ 4.6/ 5.2 :NEWCOMB, NY HOPN6 2.0/ 2.1/ 2.3/ 2.5/ 3.0 :HOPE, NY GVVN6 1.8/ 1.9/ 2.0/ 2.1/ 2.9 :MID. GRANVILLE, NY BTTN6 2.0/ 2.6/ 3.0/ 3.3/ 4.0 :BATTENVILLE, NY WILM3 1.3/ 1.6/ 1.8/ 2.3/ 2.9 :WILLIAMSTOWN, MA BNTV1 1.4/ 1.5/ 1.7/ 2.1/ 2.6 :N. BENNINGTON, VT LTLN6 2.0/ 2.9/ 3.3/ 3.7/ 4.5 :LITTLE FALLS, NY PTVN6 2.1/ 2.3/ 2.5/ 2.9/ 4.3 :PRATTSVILLE, NY MTRN6 2.1/ 2.3/ 2.6/ 2.9/ 4.1 :COLD BROOK, NY ROSN6 1.9/ 2.8/ 3.2/ 3.7/ 4.6 :ROSENDALE, NY WAPN6 1.8/ 2.4/ 3.0/ 3.7/ 4.9 :WAPPINGER FALLS, NY GTBM3 3.0/ 4.5/ 5.0/ 5.6/ 6.7 :GT. BARRINGTON, MA TENN6 3.0/ 4.0/ 4.3/ 4.7/ 5.5 :GAYLORDSVILLE, CT GAYC3 2.1/ 2.4/ 2.7/ 3.2/ 3.7 :GAYLORDSVILLE, CT :=========================================================== : BINGHAMTON HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== FLLN6 1.9/ 2.1/ 2.4/ 2.9/ 3.7 :ITHACA, NY ONDN6 1.6/ 1.7/ 1.9/ 2.8/ 3.4 :SYRACUSE, NY NEIN6 1.3/ 1.6/ 1.8/ 2.0/ 2.6 :ONEIDA, NY :=========================================================== : BUFFALO HSA :IDENT 1HR 3HR 6HR 12HR 24HR HEADWATER NAME :======= ==== ==== ==== ==== ==== ==================== GOWN6 1.0/ 1.3/ 1.4/ 1.6/ 1.9 :GOWANDA, NY GDVN6 0.7/ 0.8/ 0.9/ 1.2/ 1.6 :GARDENVILLE, NY LCSN6 0.8/ 0.9/ 1.0/ 1.3/ 1.7 :LANCASTER, NY EBZN6 0.7/ 0.9/ 1.0/ 1.2/ 1.6 :EBENEZER, NY WILN6 1.1/ 1.2/ 1.2/ 1.5/ 1.7 :WILLIAMSVILLE, NY BTVN6 1.3/ 1.4/ 1.4/ 1.5/ 1.7 :BATAVIA, NY WLLN6 1.0/ 1.2/ 1.3/ 1.5/ 1.8 :WELLSVILLE, NY GRBN6 1.7/ 2.0/ 2.1/ 2.4/ 2.8 :GARBUTT, NY CHRN6 1.7/ 1.9/ 2.0/ 2.1/ 2.4 :CHURCHVILLE, NY BOON6 2.6/ 2.7/ 2.8/ 3.1/ 3.8 :BOONVILLE, NY .END $$ NYC WATER SUPPLY FORECAST ESTIMATED RUNOFF IN MILLIONS OF GALLONS RESULTING FROM THE FOLLOWING 6-HOUR PRECIPITATION AMOUNTS IN INCHES : Drainage areas in square miles are: GILBOA - 315. ASHOKAN - 257. RONDOUT - 95. W.BRANCH - 43. CROTON - 335. KENSICO - 13. : .B TAR 250422 Z DH12/DC2504221535 /DUE/QMXC1/QMXC2/QMXC3/QMXC4 .B1 /QMXC5/QMXC6 : : RAINFALL :IDENT 0.5 1.0 1.5 2.0 3.0 5.0 LOCATION :======= ===== ====== ====== ====== ======= ======= ================ RONDOUT 182/ 485/ 789/ 1102/ 2720/ 6004/ : RONDOUT RESERVOIR CROTON 454/ 1200/ 2009/ 2839/ 5452/ 16240/ : NEW CROTON DAM W.BRANC 50/ 110/ 182/ 259/ 419/ 1672/ : W.BRANCH RESERVOIR KENSICO 27/ 64/ 175/ 287/ 512/ 962/ : KENSICO GILBOA 733/ 1766/ 3086/ 5528/ 10786/ 21546/ : SCHOHARIE RESERVOIR ASHOKAN 1020/ 2173/ 3342/ 4667/ 8954/ 17768/ : ASHOKAN RESERVOIR .END $$