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Headwater Guidance (FFH)

Issued by National Weather Service (NWS)

                            
743 
FOUS71 KTAR 192043
FFHTAR
HEADWATER FLASH FLOOD GUIDANCE
NATIONAL WEATHER SERVICE
NORTHEAST RIVER FORECAST CENTER... NORTON MA
403 PM EDT THU APR 19 2018

: WATERSHED AREA AVERAGE RAINFALL IN INCHES REQUIRED
: TO EXCEED FLOOD STAGE
: HSA - HYDROLOGIC SERVICE AREA
.B TAR 180419 Z DH18/DC1804192003 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF
:
:===========================================================
:      CARIBOU HSA
:IDENT    1HR   3HR   6HR  12HR  24HR  HEADWATER NAME
:======= ====  ====  ====  ====  ====  ====================
MASM1     3.0/  3.1/  3.2/  3.2/  3.3 :MASARDIS, ME
DOVM1     1.9/  2.0/  2.0/  2.1/  2.1 :DOVER, ME
WENM1     2.7/  3.5/  3.8/  4.1/  4.9 :WEST ENFIELD, ME
:===========================================================
:      GRAY HSA
:IDENT    1HR   3HR   6HR  12HR  24HR  HEADWATER NAME
:======= ====  ====  ====  ====  ====  ====================
NANM1     2.1/  2.2/  2.2/  3.0/  3.1 :NORTH ANSON, ME
SKOM1     1.3/  1.6/  1.7/  1.8/  1.9 :SKOWHEGAN, ME
ROXM1     1.2/  1.2/  1.2/  1.5/  2.3 :ROXBURY, ME
CNWN3     1.8/  1.8/  1.8/  2.2/  2.4 :CONWAY, NH
WOON3     1.8/  1.8/  1.8/  2.1/  3.0 :WOODSTOCK, NH
RUMN3     1.6/  1.6/  1.6/  1.9/  2.5 :RUMNEY, NH
BRSN3     2.3/  2.3/  2.3/  2.4/  2.4 :BRISTOL, NH
DAVN3     2.1/  2.1/  2.3/  2.7/  3.3 :DAVISVILLE, NH
NSTN3     2.5/  3.1/  3.3/  3.7/  4.3 :N STRATFORD, NH
BETN3     2.3/  2.3/  2.3/  2.7/  3.6 :BETHLEHEM JCT, NH
PTRN3     2.5/  2.6/  2.6/  2.9/  3.3 :PETERBORO, NH
GFFN3     1.6/  1.6/  1.7/  2.0/  2.7 :GOFFSTOWN, NH
:===========================================================
:      BOSTON HSA
:IDENT    1HR   3HR   6HR  12HR  24HR  HEADWATER NAME
:======= ====  ====  ====  ====  ====  ====================
FBGM3     2.0/  2.0/  2.0/  2.5/  3.4 :FITCHBURG, MA
WGTM3     1.9/  1.9/  2.0/  2.5/  3.9 :WEST GROTON, MA
MAYM3     2.3/  2.3/  2.3/  2.3/  2.3 :MAYNARD, MA
SAXM3     1.2/  1.2/  1.3/  1.3/  1.3 :SAXONVILLE, MA
WLMM3     2.5/  2.5/  2.5/  3.0/  4.2 :WILMINGTON, MA
NRWM3     2.3/  2.6/  2.8/  3.6/  4.1 :NORWOOD, MA
DOVM3     2.8/  2.8/  2.8/  2.8/  2.8 :DOVER, MA
NBRM3     2.4/  2.6/  2.8/  3.6/  5.3 :NORTHBRIDGE, MA
WILC3     3.0/  3.6/  3.9/  4.1/  4.7 :WILLIMANTIC, CT
WSFM3     2.6/  3.1/  3.5/  3.9/  4.8 :WESTFIELD, MA
UNVC3     1.6/  1.7/  2.1/  3.4/  5.0 :UNIONVILLE, CT
:===========================================================
:      NEW YORK HSA
:IDENT    1HR   3HR   6HR  12HR  24HR  HEADWATER NAME
:======= ====  ====  ====  ====  ====  ====================
GRDN6     1.6/  1.9/  2.0/  2.1/  2.3 :GARDINER, NY
YTCC3     1.6/  2.0/  2.2/  2.3/  2.6 :YANTIC, CT
:===========================================================
:      BURLINGTON HSA
:IDENT    1HR   3HR   6HR  12HR  24HR  HEADWATER NAME
:======= ====  ====  ====  ====  ====  ====================
CZRN6     2.5/  2.5/  2.6/  3.5/  4.4 :PERRY MILLS, NY
ASFN6     1.0/  1.0/  1.0/  1.4/  1.6 :AUSABLE FORKS, NY
CENV1     2.0/  2.0/  2.0/  2.0/  2.0 :CENTER RUTLAND, VT
MONV1     1.5/  1.5/  1.5/  1.8/  2.5 :MONTPELIER, VT
MOOV1     0.9/  0.9/  1.0/  1.3/  2.0 :MORETOWN, VT
JONV1     1.7/  1.8/  1.8/  2.0/  2.5 :JOHNSON, VT
NTYV1     1.0/  1.2/  1.5/  2.2/  2.9 :NORTH TROY, VT
PASV1     2.4/  2.8/  3.0/  3.2/  3.8 :PASSUMPSIC, VT
WLRV1     1.7/  1.7/  1.7/  1.8/  2.4 :WELLS RIVER, VT
WEHV1     1.5/  1.8/  1.8/  2.0/  2.3 :W HARTFORD, VT
:===========================================================
:      ALBANY HSA
:IDENT    1HR   3HR   6HR  12HR  24HR  HEADWATER NAME
:======= ====  ====  ====  ====  ====  ====================
NWCN6     3.0/  4.5/  4.8/  5.0/  5.6 :NEWCOMB, NY
HOPN6     2.1/  2.2/  2.3/  2.5/  2.9 :HOPE, NY
GVVN6     1.6/  1.7/  1.8/  1.9/  2.6 :MID. GRANVILLE, NY
BTTN6     2.1/  2.8/  3.1/  3.5/  4.2 :BATTENVILLE, NY
WILM3     1.2/  1.5/  1.7/  2.0/  2.3 :WILLIAMSTOWN, MA
BNTV1     1.6/  1.7/  1.9/  2.3/  2.7 :N. BENNINGTON, VT
LTLN6     1.9/  2.6/  2.9/  3.1/  3.7 :LITTLE FALLS, NY
PTVN6     1.9/  2.0/  2.2/  2.5/  3.8 :PRATTSVILLE, NY
MTRN6     1.7/  1.9/  2.1/  2.4/  3.4 :COLD BROOK, NY
ROSN6     1.6/  2.3/  2.7/  2.9/  3.5 :ROSENDALE, NY
WAPN6     1.9/  2.3/  2.6/  2.9/  3.4 :WAPPINGER FALLS, NY
GTBM3     3.0/  3.8/  4.1/  4.3/  4.8 :GT. BARRINGTON, MA
TENN6     3.0/  3.8/  4.0/  4.4/  5.2 :GAYLORDSVILLE, CT
GAYC3     1.8/  1.9/  2.0/  2.0/  2.0 :GAYLORDSVILLE, CT
:===========================================================
:      BINGHAMTON HSA
:IDENT    1HR   3HR   6HR  12HR  24HR  HEADWATER NAME
:======= ====  ====  ====  ====  ====  ====================
FLLN6     1.9/  2.0/  2.2/  2.7/  3.3 :ITHACA, NY
ONDN6     1.5/  1.6/  1.8/  2.3/  2.9 :SYRACUSE, NY
NEIN6     1.2/  1.5/  1.7/  1.8/  2.2 :ONEIDA, NY
:===========================================================
:      BUFFALO HSA
:IDENT    1HR   3HR   6HR  12HR  24HR  HEADWATER NAME
:======= ====  ====  ====  ====  ====  ====================
GOWN6     1.3/  1.6/  1.7/  1.9/  2.0 :GOWANDA, NY
GDVN6     0.9/  1.1/  1.2/  1.5/  1.9 :GARDENVILLE, NY
LCSN6     0.7/  0.9/  1.0/  1.3/  1.7 :LANCASTER, NY
EBZN6     0.8/  1.1/  1.2/  1.5/  1.9 :EBENEZER, NY
WILN6     1.0/  1.1/  1.1/  1.3/  1.4 :WILLIAMSVILLE, NY
BTVN6     1.5/  1.6/  1.6/  1.7/  1.9 :BATAVIA, NY
WLLN6     1.1/  1.3/  1.4/  1.5/  1.7 :WELLSVILLE, NY
GRBN6     1.6/  1.8/  1.9/  2.0/  2.3 :GARBUTT, NY
CHRN6     1.6/  1.8/  1.8/  1.8/  1.9 :CHURCHVILLE, NY
BOON6     2.8/  2.9/  2.9/  3.1/  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 180419 Z DH18/DC1804192041 /DUE/QMXC1/QMXC2/QMXC3/QMXC4
.B1 /QMXC5/QMXC6
:
:                 RAINFALL
:IDENT    0.5    1.0    1.5    2.0     3.0     5.0   LOCATION
:======= ===== ====== ====== ====== ======= =======  ================
RONDOUT   510/   826/  1140/  1954/  3595/  6894/ : RONDOUT RESERVOIR
CROTON   1448/  2412/  3391/  4386/  9550/ 20841/ : NEW CROTON DAM
W.BRANC   142/   220/   303/   390/   762/  2156/ : W.BRANCH RESERVOIR
KENSICO    56/   163/   275/   387/   613/  1063/ : KENSICO
GILBOA   1977/  3198/  5596/  8238/ 13601/ 24419/ : SCHOHARIE RESERVOIR
ASHOKAN  2562/  3748/  4947/  7912/ 14295/ 27320/ : ASHOKAN RESERVOIR
.END
$$