Spring arrived on Long Island on Tuesday, March 20th at 8:31 AM under a ton of sunshine, deep blue skies and mild temperatures. But trouble was developing to the South. A Low Pressure was forming over Georgia. It would track NE and deepen off of the Virginia coast on Wednesday. Heavy rain with strong winds were the forecast for later Wednesday into Thursday morning. By mid-afternoon the Watches started coming out. It sure looked like Long Island was in for an old fashion Nor'easter. By evening, the heavy rain was moving up the coast.MINOR COASTAL FLOODING POSSIBLE AROUND TIMES OF HIGH TIDE LATE WEDNESDAY INTO THURSDAY
HIGH PRESSURE OFF THE NEW ENGLAND COAST WILL CONTINUE TO DRIFT EAST OVERNIGHT. THIS ALLOW A DEVELOPING LOW PRESSURE CENTER OVER THE SOUTHEASTERN STATES TO MOVE UP THE ATLANTIC COAST. THIS EVENTUAL NOREASTER WILL MOVE TO THE NORTH CAROLINA VIRGINIA BORDER WED AFTERNOON...THEN MOVE NE PASSING SOUTH OF LONG ISLAND WEDNESDAY NIGHT.
TIDES WILL BEGIN TO INCREASE DURING WED NIGHT WITH TIDES RUNNING AROUND 2 1/2 FEET ABOVE NORMAL. TIDES WILL THEN INCREASE TO BETWEEN 3 & 3 1/2 FEET ABOVE NORMAL DURING THURSDAY.
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WATCH FOR SMALL STREAMS & URBAN AREAS IN NE NEW JERSEY...SOUTHEAST NEW YORK AND S. CONNECTICUT FOR WED NIGHT INTO THURSDAY...
A LOW PRESSURE CENTER OVER GEORGIA WILL INTENSIFY AS IT MOVES SLOWLY UP THE EAST COAST...REACHING THE NORTH CAROLINA/VIRGINIA BORDER BY LATE WEDNESDAY. IT WILL THEN DRIFT NE OVER THE COASTAL WATERS ..PASSING SOUTH THEN EAST OF LONG ISLAND BY THUR EVENING.
RAIN ASSOCIATED WITH THIS DEVELOPING NOREASTER WILL REACH OUR AREA WEDNESDAY MORNING. THE MOST SIGNIFICANT RAIN IS EXPECTED TO FALL ACROSS OUR REGION WED NIGHT INTO EARLY THURSDAY. ALL THIS RAIN IS THEN EXPECTED TO TAPER OFF TO SCATTERED SHOWERS THUR NIGHT.
RAINFALL AMOUNTS COULD TOTAL NEAR 1 1/2 INCHES WITH SOME LOCALLY HIGHER AMOUNTS OF 2 INCHES IN THOSE FAVORABLY UPSLOPE AREAS. 1 TO 1 1/2 INCHES OF RAIN WILL CAUSE SIGNIFICANT WITHIN BANK RISES ON MANY OF THE RIVERS & STREAMS WITHIN THE BROOKHAVEN HYDROLOGIC SERVICE AREA. CURRENT FLASH FLOOD GUIDANCE FOR SMALL STREAMS & TRIBUTARIES INDICATES THAT 2 INCHES OF RAIN WILL CAUSE SMALL STREAM FLOODING IN THE HYDROLOGIC SERVICE AREA.
THE HEAVIEST RAIN EXPECTED TO FALL OVERNIGHT WED INTO EARLY THURSDAY MORNING WILL MAKE THE RUSH HOUR A MESS. FLOODING OF ROADWAYS & POOR DRAINAGE AREAS IS LIKELY.
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