FOUS61 KRHA 010750 FFGMD COUNTY FLASH FLOOD GUIDANCE FOR MARYLAND AND DC MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 332 AM EDT MON APR 1 2019 :------------------------------------------------------------------------------ :NOTICE: NWS is proposing the termination of this :county/zone-based flash flood guidance (FFG) text product. :The NWS has transitioned to gridded FFG. : :More information is available at the following link: : :https://www.weather.gov/media/notification/pdfs/scn18-80disc_county_ffgaaa.pdf : :Gridded FFG is available at the following ftp site: : :ftp://ftp.wpc.ncep.noaa.gov/workoff/ffg : :If you have any comments or questions please contact: : : Robert Shedd : Service Coordination Hydrologist : MARFC : State College, PA : robert.shedd@noaa.gov :------------------------------------------------------------------------------- APPROXIMATE 1/3/6/12-HR RAINFALL (INCHES) NEEDED TO BEGIN SMALL STREAM FLOODING. THIS GUIDANCE IS NOT APPLICABLE FOR URBAN, BASEMENT, OR OTHER FLOODING NOT ASSOCIATED WITH A STREAM. .B RHA 190401 Z DH06/DC1904010732 /DUE/PPHCF/PPTCF/PPQCF/PPKCF : :IDENT 1HR 3HR 6HR 12HR ZONE NAME :======= ==== ==== ==== ==== ==================== : : NWS STERLING SERVICE AREA... DCZ001 0.8/ 1.4/ 1.5/ 1.7 :Washington DC MDZ501 0.8/ 1.4/ 1.5/ 1.7 :Extreme W. Allegany Co. MDZ502 1.1/ 1.8/ 1.9/ 2.1 :Central and E. Allegany Co. MDZ014 1.8/ 2.7/ 2.9/ 3.1 :Anne Arundel Co. MDZ006 1.2/ 2.0/ 2.1/ 2.2 :N. Baltimore Co. MDZ011 1.1/ 1.7/ 1.8/ 2.0 :S. Baltimore Co. MDZ018 2.2/ 3.2/ 3.4/ 3.7 :Calvert Co. MDZ005 1.2/ 2.0/ 2.1/ 2.2 :Carroll Co. MDZ016 2.0/ 2.9/ 3.1/ 3.4 :Charles Co. MDZ004 1.2/ 2.0/ 2.1/ 2.3 :Frederick Co. MDZ507 1.2/ 2.1/ 2.2/ 2.4 :NW. Harford Co. MDZ508 1.3/ 2.2/ 2.4/ 2.6 :SE. Harford Co. MDZ505 1.4/ 2.2/ 2.4/ 2.5 :NW. Howard Co. MDZ506 1.3/ 2.1/ 2.2/ 2.3 :Central and SE. Howard Co. MDZ503 1.3/ 2.1/ 2.2/ 2.4 :NW. Montgomery Co. MDZ504 1.1/ 1.8/ 2.0/ 2.1 :Central and SE. Montgomery Co. MDZ013 1.8/ 2.8/ 2.9/ 3.1 :Prince Georges Co. MDZ017 2.1/ 3.1/ 3.3/ 3.5 :St. Marys Co. MDZ003 1.2/ 2.0/ 2.1/ 2.3 :Washington Co. : : NWS MT. HOLLY SERVICE AREA... MDZ020 2.1/ 3.1/ 3.3/ 3.5 :Caroline Co. MDZ008 1.8/ 2.8/ 2.9/ 3.2 :Cecil Co. MDZ012 2.0/ 3.0/ 3.1/ 3.4 :Kent Co. MDZ015 1.8/ 2.8/ 3.0/ 3.2 :Queen Annes Co. MDZ019 2.1/ 3.1/ 3.3/ 3.5 :Talbot Co. : : NWS WAKEFIELD SERVICE AREA... MDZ021 2.0/ 3.0/ 3.1/ 3.4 :Dorchester Co. MDZ023 2.3/ 3.4/ 3.6/ 3.9 :Somerset Co. MDZ022 2.2/ 3.2/ 3.4/ 3.6 :Wicomico Co. MDZ024 2.4/ 3.7/ 3.9/ 4.1 :Inland Worcester MDZ025 2.5/ 3.9/ 4.1/ 4.3 :Maryland Beaches .END $$ NNNN