517  
FGUS71 KOKX 111209  
ESFOKX  
 
WINTER/SPRING FLOOD POTENTIAL OUTLOOK  
NATIONAL WEATHER SERVICE NEW YORK NY  
800 AM EDT THU APR 11 2024  
   
..SPRING FLOOD POTENTIAL OUTLOOK
 
 
THIS IS THE EIGHT WINTER/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 14TH THROUGH THE 18TH SUGGESTS ABOVE NORMAL TEMPERATURES AND  
NEAR NORMAL PRECIPITATION ACROSS THE HYDROLOGIC SERVICE AREA.  
THE 8 TO 14 DAY OUTLOOK VALID FROM APRIL 16TH THROUGH  
THE 22ND SUGGESTS ABOVE NORMAL TEMPERATURES AND NEAR 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 FROM NORMAL ACROSS THE  
HYDROLOGIC SERVICE AREA FOR THE LAST 60 DAYS WERE ANYWHERE BETWEEN 4  
TO 6 INCHES ABOVE NORMAL ACROSS THE ENTIRE HYDROLOGIC SERVICE AREA.  
 
SNOW CONDITIONS – BELOW NORMAL. THERE IS CURRENTLY NO SNOW ON THE  
GROUND ACROSS THE HYDROLOGIC SERVICE AREA.  
 
RIVER FLOWS - ACROSS THE LOCAL HYDROLOGIC SERVICE AREA, RIVERS AND  
STREAMS ARE RUNNING NORMAL TO ABOVE 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 HTTPS://WWW.CPC.NCEP.NOAA.GOV  
/PRODUCTS/ANALYSIS_MONITORING/REGIONAL_MONITORING/PALMER.GIF AND  
WWW.DROUGHT.GOV.  
 
RESERVOIR CONDITIONS - RESERVOIR LEVELS ACROSS THE NEW YORK CITY  
WATER SUPPLY SYSTEM WERE 1 PERCENT ABOVE NORMAL. RESERVOIR LEVELS  
ACROSS THE COMBINED 13 NORTHEAST NEW JERSEY RESERVOIRS WERE 6  
PERCENT ABOVE NORMAL.  
 
SUMMARY - DURING THE TWO-WEEK OUTLOOK PERIOD ENDING ON APRIL 25TH  
EXPECT TEMPERATURES TO BE ABOVE NORMAL AND PRECIPITATION TO BE NEAR  
NORMAL ACROSS THE HYDROLOGIC SERVICE AREA.  
 
FOR MORE INFORMATION ON THE THREAT FOR RIVER FLOODING PLEASE VISIT:  
WWW.WEATHER.GOV/ERH/MMEFS  
 
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  
 
THIS WILL BE THE LAST SPRING FLOOD POTENTIAL OUTLOOK ISSUED BY THIS  
OFFICE.  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

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