NWS issues Coastal Flood Advisory (updated) and Flash Flood Watch

Event:	Coastal Flood Advisory
Alert:	...MINOR COASTAL FLOODING CONCERNS DURING HIGH TIDE THIS EVENING... ...COASTAL FLOOD ADVISORY NOW IN EFFECT FROM 7 PM TO 10 PM EDT THIS EVENING... * LOCATIONS...ALONG THE SOUTH SHORE BAYS OF BROOKLYN...QUEENS AND SOUTHERN NASSAU COUNTY. * TIDAL DEPARTURES...1/2 TO 1 FOOT ABOVE ASTRONOMICAL TIDES. * TIMING...THIS EVENING...MAINLY AROUND THE TIME OF HIGH TIDE. * IMPACTS...FLOODING OF THE MOST VULNERABLE SHORE ROADS AND/OR BASEMENTS. THE MAJORITY OF ROADS WILL REMAIN PASSABLE WITH ONLY ISOLATED CLOSURES. * OUTLOOK...MORE WIDESPREAD MINOR COASTAL FLOODING IS LIKELY WITH THE TUESDAY MORNING AND NIGHT HIGH TIDE CYCLES...ESPECIALLY TUESDAY NIGHT IN COMBINATION WITH ON GOING HEAVY RAINFALL. THE POTENTIAL EXISTS FOR LOCALIZED MODERATE THRESHOLDS TO BE MET DURING THE NIGHT HIGH TIDE CYCLES AS WELL. ...SOUTH SHORE BAYS WATER LEVELS FOR THIS EVENING... COASTAL TIME OF FORECAST TOTAL FLOOD LOCATION HIGH TIDE WATER LEVEL CATEGORY ................................... (MLLW/NGVD)................ ROCKAWAY INLET NY....9:08 PM..........7.4-7.8/5.4-5.8.....MINOR.... JAMAICA BAY NY.......9:48 PM..........8.0-8.4/6.8-7.2.....MINOR.... E ROCKAWAY INLET NY..9:02 PM..........6.1-6.5/4.6-5.0.....MINOR.... POINT LOOKOUT NY.....8:49 PM..........5.4-5.8/4.3-4.7.....MINOR.... FREEPORT NY..........9:46 PM..........5.3-5.7/4.5-4.9.....MINOR....
Instructions:	A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.
Target Area:	Kings (Brooklyn) Southern Nassau Southern Queens

Event:	Flash Flood Watch
Alert:	...HEAVY RAIN AND FLASH FLOODING POSSIBLE FROM LATE TUESDAY NIGHT INTO WEDNESDAY... ...FLASH FLOOD WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * FLASH FLOOD WATCH FOR ALL OF SOUTHERN CONNECTICUT...NORTHEAST NEW JERSEY AND SOUTHEAST NEW YORK... * FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY AFTERNOON. * AS A LOW PRESSURE SYSTEM OVER THE OHIO VALLEY MOVES INTO THE GREAT LAKES TONIGHT INTO TUESDAY...AN ONSHORE FLOW OF DEEP TROPICAL MOISTURE WILL DEVELOP...AND SHOWERS WILL GRADUALLY SPREAD EASTWARD INTO THE REGION FROM TUESDAY INTO TUESDAY EVENING. THIS MOISTURE WILL BE WRUNG OUT BY AN UPSLOPE FLOW OVER INTERIOR SECTIONS...AND ALSO BY A SECONDARY LOW DEVELOPING NEAR THE AREA LATE TUESDAY NIGHT...AND THEN MOVING SLOWLY ACROSS DURING THE DAY ON WEDNESDAY. * SHOWERS WILL LIKELY BECOME HEAVY AT TIMES FROM LATE TUESDAY NIGHT INTO WEDNESDAY MORNING OR EARLY WEDNESDAY AFTERNOON. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR ARE LIKELY DURING THE PERIODS OF HEAVIEST RAIN...AND WIDESPREAD RAINFALL AMOUNTS OF 2 TO 3 INCHES AND LOCALLY OVER 4 INCHES ARE POSSIBLE. * RAINFALL OF THIS INTENSITY AND MAGNITUDE COULD CAUSE SIGNIFICANT URBAN AND POOR DRAINAGE FLOODING...THAT COULD IMPACT THE WEDNESDAY MORNING RUSH. FLOODING OF SMALL STREAMS IS ALSO POSSIBLE. THE HEAVY RAIN COULD ALSO COMBINE WITH HIGH WATER LEVELS ALONG THE COAST TO EXACERBATE FLOODING PROBLEMS IN LOW LYING COASTAL SECTIONS.
Instructions:	A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.
Target Area:	Bronx Kings (Brooklyn) New York (Manhattan) Northeast Suffolk Northern Nassau Northern Queens Northern Westchester Northwest Suffolk Orange Putnam Richmond (Staten Is.) Rockland Southeast Suffolk Southern Nassau Southern Queens Southern Westchester Southwest Suffolk