925  
FGUS71 KALY 212316 RRA  
ESFALY  
NYC001-021-027-035-039-041-043-057-083-091-093-095-  
111-113-115-VTC003-25-MAC003-CTC005-040116-  
 
WINTER/SPRING FLOOD POTENTIAL OUTLOOK  
NATIONAL WEATHER SERVICE ALBANY NY  
716 PM EST THU MAR 21 2019  
 
...FLOOD THREAT IS ABOVE NORMAL FOR THE REST OF THE WINTER/SPRING  
FOR RIVERS FED BY THE ADIRONDACKS AND SOUTHERN GREEN MOUNTAINS  
 
THE SPRING FLOOD THREAT IS ABOVE NORMAL ACROSS THE NORTHERN HALF OF  
THE OUTLOOK AREA DUE TO SIGNIFICANT SNOWPACK (STILL ACCUMULATING!).  
ELSEWHERE, GENERALLY SOUTH OF I-90, THE SPRING FLOOD THREAT IS  
NORMAL.  
 
A MAP OF THE FLOOD POTENTIAL OUTLOOK CAN BE FOUND AT:  
HTTP://WWW.WEATHER.GOV/NERFC/SPRINGFLOODPOTENTIAL THIS MAP DOES NOT  
ADDRESS THE POTENTIAL FOR ICE JAM FLOODING.  
 
THIS IS THE SIXTH IN A SERIES OF HYDROLOGIC OUTLOOKS ISSUED BY THE  
NATIONAL WEATHER SERVICE EVERY TWO WEEKS...WHICH REFERS TO THE  
POTENTIAL FOR FLOODING ACROSS EASTERN NEW YORK STATE, SOUTHERN  
VERMONT, BERKSHIRE COUNTY MASSACHUSETTS AND LITCHFIELD COUNTY  
CONNECTICUT. THE MAJOR RIVER BASINS IN THIS AREA ARE THE HUDSON,  
MOHAWK AND HOUSATONIC.  
 
THIS OUTLOOK IS VALID FOR THE TWO-WEEK PERIOD FROM MARCH 21ST TO  
APRIL 4TH.  
   
..OBSERVED SNOW DEPTHS AND WATER EQUIVALENTS
 
 
SNOW DEPTHS SOUTH OF I-90 ACROSS THE OUTLOOK AREA ARE HYDROLOGICALLY  
INSIGNIFICANT AT THIS TIME. IN THE ADIRONDACK MOUNTAINS OF NEW YORK  
AND SIMILARLY IN THE GREEN MOUNTAINS OF VERMONT, SNOW DEPTH RANGES  
FROM A FEW INCHES UP TO NEARLY THREE FEET; LIQUID EQUIVALENTS RANGE  
FROM AN INCH TO NEARLY A FOOT. SNOW ESTIMATES IN THE ADIRONDACKS ARE  
CURRENTLY A MOVING TARGET AS SIGNIFICANT SNOWFALL IS FORECAST  
THROUGH THE FIRST WEEKEND OF THE OUTLOOK PERIOD.  
   
..STREAMFLOW CONDITIONS
 
 
 
ACCORDING TO U.S. GEOLOGICAL SURVEY (USGS) STREAMGAGES, 28 DAY  
STREAMFLOW AVERAGES ACROSS WESTERN NEW ENGLAND AND EASTERN NEW YORK  
ARE NEAR NORMAL.  
   
..RIVER ICE CONDITIONS
 
 
SOME RIVER ICE REMAINS IN PLACE ON THE UPPER HUDSON RIVER, HOWEVER  
LARGE SECTIONS OF THE RIVER ARE SHOWING LARGE OPEN CHANNELS, A  
PROMISING DEVELOPMENT FOR CONTINUED SLOW MELT-OUT OF RIVER ICE. THE  
THREAT FOR ICE JAM FLOODING IS DIMINISHING BUT HAS NOT ENDED.  
   
..WATER SUPPLY
 
 
 
NEW YORK CITY DEPARTMENT OF ENVIRONMENTAL PROTECTION (NYCDEP) WATER  
SUPPLY RESERVOIRS ARE AT 93 PERCENT OF CAPACITY, WHICH IS NORMAL FOR  
THIS TIME OF YEAR.  
 
HUDSON RIVER BLACK RIVER REGULATING DISTRICT RESERVOIR LEVELS IN THE  
UPPER HUDSON/SACANDAGA WATERSHED ARE VARIABLE, WITH THE GREAT  
SACANDAGA LAKE AT EIGHT AND A HALF FEET ABOVE NORMAL AND INDIAN LAKE  
AT OVER THREE FEET BELOW NORMAL. IN THE BLACK RIVER WATERSHED, SIXTH  
LAKE IS TWO FEET BELOW HISTORICAL AVERAGES WHILE STILLWATER  
RESERVOIR AND OLD FORGE ARE HALF A FOOT AND A QUARTER FOOT BELOW  
NORMAL, RESPECTIVELY.  
   
..TEMPERATURE AND PRECIPITATION OUTLOOK
 
 
THE 6 TO 10 DAY (FOR MARCH 26 -30) OUTLOOK CALLS FOR BELOW NORMAL  
TEMPERATURES AND PRECIPITATION, WHILE THE 8 TO 14 DAY OUTLOOK (MARCH  
28 - APRIL 3) MODERATES BACK TO NEAR NORMAL TEMPERATURES AND  
PRECIPITATION AMOUNTS LOOK TO INCREASE WITH ABOVE NORMAL  
PRECIPITATION HIGHLIGHTED.  
   
..SUMMARY
 
 
THE SPRING FLOOD THREAT IS ABOVE NORMAL ACROSS THE NORTHERN HALF OF  
THE OUTLOOK AREA DUE TO SIGNIFICANT SNOWPACK (STILL ACCUMULATING!).  
ELSEWHERE, GENERALLY SOUTH OF I-90, THE SPRING FLOOD THREAT IS  
NORMAL.  
 
IT IS IMPORTANT TO REMEMBER THAT HEAVY RAIN CAN CAUSE FLOODING AT  
ANY TIME OF YEAR. EXTENDED HYDROLOGIC INFORMATION WILL BE INCLUDED  
IN THE HAZARDOUS WEATHER OUTLOOK WHEN NECESSARY AT  
FORECAST.WEATHER.GOV/PRODUCT.PHP?SITE=NWS&PRODUCT=HWO&ISSUEDBY=ALY  
 
OBSERVED AND 3 DAY FORECAST RIVER INFORMATION CAN BE FOUND ON OUR  
WEB PAGE AT WWW.WEATHER.GOV/ALBANY. THREE TO SEVEN DAY ENSEMBLE  
FORECAST INFORMATION CAN BE FOUND AT WWW.WEATHER.GOV/ERH/MMEFS.  
 
THE SEVENTH WINTER/SPRING FLOOD OUTLOOK IS SCHEDULED FOR THURSDAY,  
APRIL 4TH.  
 

 
BEW  
 
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT  
WWW.WEATHER.GOV/ALBANY  
 
YOU CAN FOLLOW US ON FACEBOOK AT WWW.FACEBOOK.COM/NWSALBANY  
 
YOU CAN FOLLOW US ON TWITTER AT @NWSALBANY  
 
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