124  
FGUS71 KOKX 121333  
ESFOKX  
CTC001-007-009-011-NJC003-013-017-031-039-NYC005-047-059-061-071-079-  
081-085-087-103-119-261800-  
 
WINTER/SPRING FLOOD POTENTIAL OUTLOOK  
NATIONAL WEATHER SERVICE NEW YORK NY  
933 AM EST THU APR 12 2018  
   
..SPRING FLOOD POTENTIAL OUTLOOK
 
 
THIS IS THE LAST SPRING FLOOD POTENTIAL OUTLOOK IN A SERIES OF  
ROUTINE WINTER/SPRING FLOOD POTENTIAL STATEMENTS INTENDED TO PROVIDE  
INSIGHT INTO THE LIKELIHOOD OF RIVER FLOODING (NOT FLASH FLOODING)  
OVER THE LOWER HUDSON RIVER VALLEY, NORTHEAST NEW JERSEY, SOUTHERN  
CONNECTICUT, NEW YORK CITY AND LONG ISLAND OVER THE NEXT TWO WEEKS.  
 
THIS OUTLOOK IS BASED ON CURRENT ASSESSMENT OF HYDRO-  
METEOROLOGICAL FACTORS WHICH CONTRIBUTE TO RIVER FLOODING. THESE  
FACTORS INCLUDE RECENT PRECIPITATION, SOIL MOISTURE, SNOW COVER  
AND SNOW WATER EQUIVALENT, RIVER ICE, STREAM FLOW AND FUTURE  
WEATHER CONDITIONS. THIS OUTLOOK DOES NOT ADDRESS THE SEVERITY OF  
ANY FUTURE RIVER FLOODING.  
 
THE LATEST CLIMATE PREDICTION CENTER 6 TO 10 DAY OUTLOOK VALID FROM  
APRIL 17TH THROUGH THE 21ST SUGGESTS BELOW NORMAL TEMPERATURES AND  
BELOW NORMAL PRECIPITATION ACROSS THE HYDROLOGIC SERVICE AREA.  
THE 8 TO 14 DAY OUTLOOK VALID FROM APRIL 19TH THROUGH THE 25TH  
SUGGESTS BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION  
ACROSS THE HYDROLOGIC SERVICE AREA.  
 
HEAVY RAINFALL IS THE PRIMARY FACTOR WHICH LEADS TO RIVER  
FLOODING. IT IS IMPORTANT TO NOTE THAT HEAVY RAINFALL CAN RAPIDLY  
CAUSE RIVER FLOODING ANY TIME OF THE YEAR, EVEN WHEN OVERALL RIVER  
FLOODING POTENTIAL IS CONSIDERED LOW OR BELOW NORMAL.  
 
CURRENT FLOODING - NONE.  
 
PRECIPITATION - PRECIPITATION DEPARTURES ACROSS THE HYDROLOGIC  
SERVICE AREA DURING THE LAST 60 DAYS ENDING ON APRIL 12TH WERE  
NORMAL TO ABOVE NORMAL.  
 
SNOW DEPTH AND WATER EQUIVALENT - THERE IS CURRENTLY NO SNOW COVER  
GROUNDS ACROSS THE HYDROLOGIC SERVICE AREA.  
 
RIVER FLOWS - ACROSS THE LOCAL HYDROLOGIC SERVICE AREA, RIVERS AND  
STREAMS ARE RUNNING NORMAL. REAL-TIME WATER DATA CAN BE FOUND BY  
VISITING THE USGS AT WWW.USGS.GOV/WATER.  
 
SOIL MOISTURE - ABOVE NORMAL. SOIL MOISTURE AND DROUGHT  
RELATED DATA AND CHARTS CAN BE SEEN AT: WWW.CPC.NCEP.NOAA.GOV AND  
WWW.DROUGHT.GOV.  
 
RESERVOIR CONDITIONS - RESERVOIR LEVELS ACROSS THE NEW YORK CITY  
WATER SUPPLY SYSTEM ARE NORMAL. RESERVOIR LEVELS ACROSS THE COMBINED  
13 NORTHEAST NEW JERSEY RESERVOIRS ARE 9 PERCENT ABOVE NORMAL.  
 
SUMMARY - DURING THE TWO WEEK OUTLOOK PERIOD EXPECT TEMPERATURES TO  
REMAIN BELOW NORMAL AND PRECIPITATION TO BE BELOW NORMAL DURING THE  
FIRST WEEK OF THE OUTLOOK PERIOD THEN ABOVE NORMAL DURING THE  
SECOND WEEK OF THE OUTLOOK PERIOD.  
 
FOR COMPLETE WEATHER INFORMATION, VISIT OUR WEB SITE AT:  
WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=OKX  
 
YOU CAN FOLLOW US ON FACEBOOK AT: WWW.FACEBOOK.COM/NWSNEWYORKNY  
 
YOU CAN FOLLOW US ON TWITTER AT: @NWSNEWYORKNY  
 

 
 
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