THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 01 FOR LATE SEASON MID-ATLANTIC AND NORTHEAST
WINTER STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
500 AM EDT MON APR 23 2012
...HISTORIC LATE-APRIL WINTER STORM IS AFFECTING INTERIOR PORTIONS
OF THE MID-ATLANTIC AND NORTHEASTERN STATES...
WINTER STORM WARNINGS ARE IN EFFECT FROM THE HIGHER ELEVATIONS OF
WEST VIRGINIA NORTHWARD TO WESTERN NEW YORK STATE. THESE WARNINGS
ARE SURROUNDED BY WINTER WEATHER ADVISORIES. WINTER WEATHER
ADVISORIES ARE ALSO IN EFFECT FOR THE ADIRONDACKS IN NEW YORK AND
IN NORTHERN MAINE.
FLOOD WATCHES ARE IN EFFECT FOR PORTIONS OF EASTERN NEW YORK AS
WELL AS PORTIONS OF NEW HAMPSHIRE AND MAINE.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 400 AM EDT...A SURFACE LOW WITH A CENTRAL PRESSURE OF 985
MB...29.09 INCHES...WAS CENTERED ABOUT 60 MILES SOUTH OF NEWARK
NEW JERSEY...AND MOVING NORTHWESTWARD. A COLD FRONT EXTENDED
SOUTHWARD FROM THE SURFACE LOW INTO THE ATLANTIC OCEAN...WHILE A
WARM FRONT EXTENDED NORTHEASTWARD ALONG THE COAST OF NEW ENGLAND.
NATIONAL WEATHER SERVICE RADAR AND SURFACE OBSERVATIONS INDICATED
WIDESPREAD PRECIPITATION NORTH OF THE SURFACE LOW ACROSS THE
ENTIRE NORTHEASTERN U.S. PRECIPITATION WAS ALSO OCCURRING WEST OF
THE SURFACE LOW AS MOISTURE WAS WRAPPING AROUND THE STORM SYSTEM.
ACROSS NEW ENGLAND...MOST OF THE PRECIPITATION WAS FALLING IN THE
FORM OF MODERATE TO HEAVY RAIN. FREEZING RAIN WAS REPORTED IN THE
ADIRONDACKS...NEAR SARANAC LAKE. ACROSS THE HIGHER ELEVATIONS OF
WESTERN PENNSYLVANIA AND NEW YORK...PRECIPITATION WAS FALLING IN
THE FORM OF SNOW. A DEEPENING SURFACE LOW AND TIGHTENING PRESSURE
GRADIENT HAS LEAD TO GUSTY WINDS AS HIGH AS 40 TO 50 MPH AT TIMES
ACROSS AREAS OF THE COASTAL NORTHEAST.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 200 AM EDT SUN APR
22 THROUGH 400 AM EDT MON APR 23...
...NEW YORK...
MECKLENBURG 2.0
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 200 AM EDT SUN APR
22 THROUGH 400 AM EDT MON APR 23...
...CONNECTICUT...
NEW HAVEN 2.56
STAMFORD 2.44
HARTFORD/BRADLEY INTL ARPT 2.06
BRIDGEPORT 1.96
GROTON/NEW LONDON 1.92
...DELAWARE...
WILMINGTON ARPT 1.95
DOVER AFB 1.89
GEORGETOWN/SUSSEX CO. ARPT 1.67
...MASSACHUSETTS...
WESTFIELD/BARNES MUNI ARPT 1.89
NEW BEDFORD MUNI ARPT 1.80
FITCHBURG 1.70
WESTOVER AFB/SPRINGFIELD 1.63
...MARYLAND...
PATUXENT RIVER NAS 2.49
SALISBURY RGNL ARPT 1.90
OCEAN CITY MUNI ARPT 1.65
...NORTH CAROLINA...
HATTERAS/BILLY MITCHELL AP 3.18
...NEW JERSEY...
WEST PATERSON 3.14
NEWARK 2.96
BELMAR/FARMINGDALE 2.30
WILDWOOD/CAPE MAY CO. ARPT 2.27
CALDWELL/ESSEX CO. ARPT 2.20
TRENTON/MERCER CO. ARPT 2.08
MOUNT HOLLY 2.03
MCGUIRE AFB/WRIGHTSTOWN 1.98
...NEW YORK...
UPTON 3.30
SHIRLEY/BROOKHAVEN ARPT 3.11
ISLIP/MACARTHUR 2.89
CENTRAL PARK 2.76
MONTAUK AIRPORT 2.69
FARMINGDALE/REPUBLIC ARPT 2.53
WESTHAMPTON BEACH/SUFFOLK CO. AP 2.51
WHITE PLAINS/WESTCHESTER CO. ARPT 2.01
...PENNSYLVANIA...
POTTSTOWN LIMERICK ARPT 2.16
DOYLESTOWN ARPT 1.97
PHILADELPHIA INTL ARPT 1.94
ALLENTOWN-BETHLEHEM 1.76
...RHODE ISLAND...
WESTERLY STATE ARPT 2.39
PROVIDENCE 2.24
NEWPORT 1.75
...VIRGINIA...
NORFOLK INTL ARPT 2.25
FORT EUSTIS/FELKER 2.18
LANGLEY AFB/HAMPTON 1.83
RICHMOND 1.79
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...CONNECTICUT...
GROTON/NEW LONDON 44
...MASSACHUSETTS...
EAST MILTON 49
BOSTON 40
NANTUCKET 40
...NEW YORK...
TOMPKINSVILLE 2 N 58
NEW YORK/LA GUARDIA 54
THE SURFACE LOW IS FORECAST TO CONTINUE ITS TRACK INTO THE
INTERIOR NORTHEAST TODAY...AND SHOULD BE NEAR THE EASTERN SHORE OF
LAKE ONTARIO BY THIS EVENING. ON THE BACK SIDE OF THE LOW...SNOW
WILL CONTINUE TO FALL ACROSS AREAS FROM WEST VIRGINIA TO WESTERN
NEW YORK TODAY AND INTO TONIGHT...BEFORE BEGINNING TO SLOWLY TAPER
OFF BY TUESDAY MORNING. ADDITIONAL SNOWFALL AMOUNTS OF 6 TO 12
INCHES...WITH LOCALIZED AMOUNTS AS HIGH AS 15 INCHES...WILL BE
POSSIBLE ACROSS AREAS FROM THE HIGHER TERRAIN OF WEST VIRGINIA AND
WESTERN MARYLAND NORTHWARD TO THE SHORES OF LAKE ERIE AND LAKE
ONTARIO IN NEW YORK. IN NEW ENGLAND...WIDESPREAD MODERATE TO HEAVY
RAIN WILL WILL CONTINUE TO FALL BEFORE TAPERING OFF FROM SOUTH TO
NORTH TONIGHT.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 1100 AM EDT. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.
RYAN
Last Updated: 455 AM EDT MON APR 23 2012