A Nor'easter centered off the Delmarva coast produced an extended period of heavy rainfall across the area as it tracked very slowly to the northeast. This caused widespread flooding across portions of the Lower Hudson Valley, New York City and Long Island.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS OKX wrote it up.
A Nor'easter centered off the Delmarva coast produced an extended period of heavy rainfall across the area as it tracked very slowly to the northeast. This caused widespread flooding across portions of the Lower Hudson Valley, New York City and Long Island.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New York, NY wrote its last area forecast discussion before the first event at Mar 28, 4:48 PM EST, 1 hour 12 minutes earlier.
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE NEW YORK NY
548 PM EDT SUN MAR 28 2010
.SYNOPSIS...
HIGH PRESSURE STRETCHING FROM THE CANADIAN MARITIMES BACK DOWN
INTO THE CENTRAL APPALACHIANS WILL SLOWLY RETREAT TO THE NORTHEAST
INTO MONDAY. MEANWHILE...LOW PRESSURE MOVES INTO THE OHIO VALLEY
TONIGHT WHILE A SECONDARY LOW REDEVELOPS OFF THE THE CAROLINA
COAST BY MONDAY MORNING. THAT LOW WILL THEN IMPACT THE REGION
FROM MONDAY NIGHT INTO TUESDAY NIGHT BEFORE FINALLY DEPARTING LATE
WEDNESDAY. HIGH PRESSURE RETURNS FOR THE END OF THE WEEK...THEN
SLIDES OFFSHORE NEXT SUNDAY.
&&
.NEAR TERM /UNTIL 6 AM MONDAY MORNING/...
AREA OF LIGHT RAIN CURRENTLY OVER THE NYC METRO...IN RESPONSE TO
WEAK LOW TO MID LEVEL POSITIVE VORTICITY ADVECTION...WILL
CONTINUE TO LIFT NORTHEAST THIS EVENING. THE MAIN RAIN SHIELD
CURRENTLY STRETCHES FROM CENTRAL PA BACK INTO THE OHIO RIVER
VALLEY...AND THIS WILL SLOWLY OVERSPREAD THE CWA FROM NW TO SE
TONIGHT. RAIN WILL BECOME LOCALLY HEAVY AT TIMES AFTER MIDNIGHT
MAINLY OVER WESTERN PORTIONS OF THE CWA.
DEEP LAYERED SOUTHERLY FLOW ALOFT WILL BRING WARMER AIR INTO THE
CWA TONIGHT...AFTER A FALL OFF OF A FEW DEGREES AFTER THE SUN GOES
DOWN THIS EVENING. PER ECMWF THOUGH...EXPECT ANY WEAK SURFACE
WARM FRONT THAT DOES FORM WITH WEAKENING LOW MOVING INTO
PA/UPSTATE NY OVERNIGHT TO REMAIN TO OUR WEST/SOUTH (WITH
MOUNTAINS/COOL SURROUNDING WATERS SERVING AS A BARRIER - THIS IS
CONSISTENT WITH PREFERRED NAM/ECMWF/SREF BLEND KEEPING WINDS SE
TONIGHT (NO WIND SHIFT - SO NO FRONT).
AS A RESULT...EXPECT GENERALLY SLOWLY RISING TEMPERATURES FROM
LATE EVENING ON WITH TEMPERATURES REACHING THE MID TO UPPER 40S
(AROUND 50 NYC METRO) BY DAY BREAK (NOT THAT ANYONE WILL SEE THE
SUN). THIS IS CONSISTENT WITH A BLEND OF MET/MAV GUIDANCE WITH NAM
2-METER TEMPERATURES.
&&
.SHORT TERM /6 AM MONDAY MORNING THROUGH TUESDAY/...
MODELS ARE FAIRLY SIMILAR IN THEIR HANDLING OF THE SYSTEM THROUGH
TUESDAY MORNING...THEN THE GFS BECOMES A WESTERN OUTLIER
(CONVECTIVE FEEDBACK ISSUES) AND THE NAM AN EASTERN/SOUTHERN
OUTLIER (AS IT BREAKS THE RIDGE DOWN AHEAD OF THE CUTOFF LOW
FASTER THAN OTHER MODELS...GIVEN STRENGTH OF DAMMING HIGH AHEAD OF
THIS - THAT SEEMS UNLIKELY). SO HAVE FOLLOWED A NAM/GFS/SREF/ECMWF
BLEND THROUGH MONDAY NIGHT THAN A SREF/ECMWF BLEND ON TUESDAY
(THOUGH THE WEST-EAST DIFFERENCE BETWEEN THE NAM/GFS DOES PROMOTE
USEFULNESS IN BLENDING THEIR FIELDS TO ALSO REFLECT THE MIDDLE
GROUND SOLUTION).
ONE THING THAT IS CONSISTENT IN ALL MODELS...IS THE PLACING OF THE
AXIS OF HEAVIEST PRECIPITATION FROM TONIGHT THROUGH TUESDAY FROM
NYC METRO INTO CENTRAL CT (IN RESPONSE TO BEST DIFFLUENCE ALOFT TO
THE NE OF THE CUTOFF LOW). FLOOD WATCH REMAINS ON TRACK AS A
RESULT...SEE HYDROLOGY SECTION FOR LATEST THINKING ON AMOUNTS.
BASICALLY EXPECT HEAVY RAIN ACROSS MOST OF THE CWA FROM MONDAY
INTO TUESDAY MORNING...THEN THE HEAVIER RAIN LIFTING NE INTO CT
TUESDAY AFTERNOON. FAR WESTERN AREAS MAY SEE INTENSITY SLACKEN A
BIT FROM TIME TO TIME MORE OFTEN THEN OTHER AREAS DUE TO THEIR
PROXIMITY TO THE CUTOFF LOW SHELTERING THEM FROM THE BEST FORCING.
FOR TEMPERATURES USED A BLEND OF MET/MAV GUIDANCE AND NAM 2-METER
TEMPERATURES...USING AN EVEN BLEND FOR HIGHS MONDAY AND A 40
PERCENT MET AND NAM 2-METER TEMPERATURE AND 20 PERCENT MAV FOR
MONDAY NIGHT AND TUESDAY (TEMPERING WESTWARD AND RESULTING WARM
BIAS IN GFS SOLUTION). BASICALLY EXPECT HIGHS MONDAY IN THE LOWER
TO MID 50S (COOLER NEAR THE COAST)...LOWS MONDAY NIGHT IN THE
LOWER TO MID 40S (COOLEST NW WHERE SOME SLACKENING IN RAINFALL
WILL RESULT IN LESS MIXING DOWN OF WARMER AIR ALOFT)...AND HIGHS
TUESDAY MAINLY FROM THE UPPER 40S TO LOWER 50S (WITH A FEW MID 40S
FAR NW).
AS FOR WINDS...WITH LOW ENDING UP TRACKING SO CLOSE TO THE REGION
EXPECT WINDS TO REMAIN BELOW ADVISORY CRITERIA AS A RESULT...WITH
LOW LEVEL STABILITY HELPING TO PREVENT THE MIX DOWN OF STRONGER WINDS
ALOFT.
&&
.LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/...
MODELS FAIRLY SIMILAR WITH THE TIMING OF THE SURFACE LOW...KEEPING
IT IN THE AREA TUESDAY NIGHT...THEN MOVING EAST LATE TUESDAY NIGHT
INTO WEDNESDAY MORNING. WILL KEEP SOME LIKELY POPS INTO TUESDAY
EVENING...AND GRADUALLY ENDING INTO WEDNESDAY. WITH THE
RAIN...CLOUDS...AND...NORTHERLY FLOW...HAVE UNDERCUT TEMPERATURES A
FEW DEGREES. RIDGING STARTS TO BUILD WEDNESDAY NIGHT AND CONTINUES
INTO FRIDAY...THEN RIDGE REMAINS OVER THE REGION INTO SUNDAY. THE
ECMWF HAS BEEN CONSISTENT WITH THE RIDGING WEDNESDAY NIGHT INTO
SUNDAY AND HAVE LEANED TOWARD THE ECMWF WITH A BLEND OF THE HPC
GUIDANCE. WITH A SOUTHERLY FLOW HAVE RAISED TEMPERATURES A FEW
DEGREES ACROSS INLAND AREAS...AND KEPT CLOSE TO HPC ALONG THE COAST.
SOUTH TO SOUTHWEST FLOW REMAINS SATURDAY AND AGAIN RAISED
TEMPERATURES ABOVE GUIDANCE INLAND. BY SUNDAY FLOW LIKELY BECOMES
MORE WESTERLY AND EVEN COASTAL AREAS WILL LIKELY GET INTO THE UPPER
60S TO LOWER 70S.
&&
.AVIATION /20Z SUNDAY THROUGH FRIDAY/...
PERSISTENT SE FLOW 10-15 KT WITH GUSTS 15-20 KT HAS ALREADY SET UP
AS STRONG HIGH PRESSURE MOVES EAST INTO THE CANADIAN MARITIMES...
WITH ACCOMPANYING MVFR CONDITIONS. AREA OF SHOWERS WITH LOW-END MVFR
CONDITIONS SHOULD MOVE THROUGH BETWEEN 18Z-21Z...BUT STEADIER RAIN
WITH LOW-END MVFR CONDITIONS AND LLWS LOOK TO HOLD OFF AT NYC AREA
TERMINALS UNTIL ABOUT 00Z...AND TOWARD 01Z-03Z AT TERMINALS OUT
EAST. GREATEST UNCERTAINTY CENTERS AROUND WHEN CONDITIONS WILL LOWER
TO IFR...FOR NYC AREA THINK IFR WILL HOLD OFF AT JFK/ISP/GON
/CLOSEST TO MARINE INFLUENCE/ UNTIL ABOUT 05Z-07Z...AND UNTIL ABOUT
08Z ELSEWHERE.
LLWS MAY ABATE MON MORNING...BUT IFR CONDITIONS IN MODERATE-HEAVY
RAIN ARE LIKELY TO CONTINUE UNTIL 18Z MON.
OUTLOOK 18Z MONDAY THROUGH FRIDAY...
MON AFTERNOON...SUB-VFR IN MODERATE/HEAVY RAIN.
MON NIGHT-TUE MORNING...SUB-VFR IN MODERATE/HEAVY RAIN...WITH
STRENGTHENING EASTERLY FLOW AND POSSIBLE LLWS.
TUE AFTERNOON/NIGHT...SUB-VFR IN RAIN/FOG AS LOW PRESSURE MOVES OVER
THE AREA AND WINDS LIGHTEN.
WED...SUB-VFR TO START...THEN GRADUAL IMPROVEMENT TO VFR THROUGH
THE DAY.
WED NIGHT-FRI...MAINLY VFR...THOUGH PATCHY LATE NIGHT/EARLY MORNING
RADIATION FOG/STRATUS WITH SUB-VFR CONDITIONS MAY BE POSSIBLE.
&&
.MARINE...
HAVE AN SCA IN EFFECT FOR ALL WATERS STARTING TONIGHT AS EXPECT
WND GUSTS TO COME TO 25 KT BY MIDNIGHT. WINDS THEN GRADUALLY
DIMINISH FROM WEST TO EAST STARTING LATE MONDAY AS THE LOW
NEARS...REDUCING THE PRESSURE GRADIENT LOCALLY. SO DROP SCA ON THE
WESTERN HARBOR/SOUND STARTING MONDAY EVENING...AND ON ALL BUT THE
OCEAN TUESDAY MORNING. HIGH SEAS WILL CONTINUE ON THE OCEAN ON
TUESDAY (BUILDING TO 7 TO 15 FT...HIGHEST EAST OF MORICHES
INLET...AND LOWEST WEST OF FIRE ISLAND INLET)...IN RESPONSE TO
INCREASING SE SWELL...EVEN WITH DIMINISHING WINDS.
WHILE BECOMING INCREASINGLY UNLIKELY...THERE IS STILL THE CHANCE
FOR GUSTS TO GALE FORCE FROM LATE TONIGHT THROUGH INTO TUESDAY
MORNING IN RESPONSE TO 55 TO 65 KT OF WIND AT 950 HPA...BUT STRONG
LOW LEVEL INVERSION SHOULD LIMIT THE AMOUNT OF THIS THAT MIXES
DOWN TO AT MOST HALF...RESULTING IN AT BEST OCCASIONAL GALE FORCE
GUSTS...MAINLY OVER THE COASTAL OCEAN WATERS...IF AT ALL.
AS THE LOW MOVES OUT OF THE AREA WATERS TUESDAY NIGHT AND
WEDNESDAY...GUSTY NORTHERLY WINDS WILL DEVELOP ON THE WATERS...AND
SMALL CRAFT GUSTS ARE POSSIBLE...ESPECIALLY ON THE OCEAN WATERS
TUESDAY NIGHT INTO WEDNESDAY EVENING. IN ADDITION...SEAS ON THE
OCEAN WILL WILL REMAIN ABOVE 5 FEET UNTIL LATE WEDNESDAY NIGHT
INTO EARLY THURSDAY MORNING.
HIGH PRESSURE WILL BE BUILDING INTO THE AREA WATERS BEHIND THE LOW
WEDNESDAY NIGHT AND THURSDAY...AND THEN REMAIN OVER THE WATERS
FRIDAY. THURSDAY AND FRIDAY WINDS AND SEAS WILL BE BELOW ADVISORY
LEVELS.
&&
.HYDROLOGY...
WITH THE COMPLEX STORM SYSTEM IMPACTING THE REGION FROM TONIGHT
INTO WEDNESDAY MORNING...EXPECT 3 TO 6 INCHES OF RAINFALL WITH
LOCALLY HIGHER AMOUNTS INTO WEDNESDAY MORNING. EXPECT THE HEAVIEST
RAINFALL TO FALL ALONG AN AXIS FROM THE NYC METRO INTO CENTRAL
CT...WITH LESSER AMOUNTS (I.E. CLOSER TO 3 INCHES THAN 6) ACROSS
ORANGE AND WESTERN PASSAIC COUNTIES...AND THE TWIN FORKS.
CURRENTLY ALL FORECAST RIVER POINTS ARE FORECAST TO BE IN FLOOD BY
TUESDAY MORNING...EXCEPT FOR THE YANTIC (DO TO THE LATER ONSET OF
HEAVIER RAIN)...BUT WOULD EXPECT LATER FORECASTS TO ALSO HAVE THIS
GO INTO FLOOD. IT IS TOO EARLY TO ISSUE ANY RIVER FLOOD WARNINGS
AT THIS POINT...BUT WOULD EXPECT ISSUANCE WITHIN THE NEXT 24 HOURS
AS CERTAINTY IN PLACEMENT OF HEAVIEST RAINFALL AXIS AND QPF
AMOUNTS (AND HENCE LIKELY RIVER RESPONSE) INCREASES.
IN SUMMARY...FLOOD WATCH FOR LIKELY SIGNIFICANT RIVER/SMALL STREAM
FLOODING AND POSSIBLY SIGNIFICANT URBAN FLOODING (WITH POTENTIAL
FOR OVER 2 INCHES OF RAIN IN A 24 HOUR PERIOD ON MONDAY).
&&
.TIDES/COASTAL FLOODING...
A COASTAL FLOOD ADVISORY FOR MINOR FLOODING WAS ISSUED FOR THE HIGH
TIDE FOR TONIGHT ACROSS WESTERN AND CENTRAL PORTIONS OF OUR COAST.
THIS WILL BE THE FIRST OF AT LEAST 4 TO 5 TIDE CYCLES THAT WILL BE
MONITORED FOR POTENTIAL MINOR AND MODERATE TIDAL FLOODING.
BECAUSE A FULL MOON IS PREDICTED FOR MONDAY...ASTRONOMICAL TIDES
WILL BE HIGH.
AS A STRONG RIDGE OF HIGH PRESSURE EXTENDING FROM NEW ENGLAND
SOUTHWEST ACROSS THE MID ATLANTIC COAST MOVES SLOWLY OFFSHORE...A
WAVE OF LOW PRESSURE ALONG A FRONT WILL MOVE SLOWLY EAST TOWARD
THE AREA.
SOUTHEAST WINDS WILL GRADUALLY INCREASE...BLOWING OVER A LONGER
DISTANCE FROM THE SOUTHEAST UNITED STATES. TIDES WERE STILL RUNNING
ABOUT 1/2 TO 1 FT ABOVE NORMAL EARLY THIS AFTERNOON...AND WITH
INCREASING WINDS AND A LONGER FETCH...TIDES ARE FORECAST TO INCREASE
TO 1.0 TO 1.5 FEET ABOVE NORMAL FOR HIGH TIDES TONIGHT.
DEPARTURES FOR MINOR FLOODING RANGE FROM 0.8 FEET AT BRIDGEPORT AND
STAMFORD TO 1.7 FEET AT NEW LONDON COUNTY. BECAUSE THE HIGHEST WINDS
AND LONGEST TRAJECTORY WILL BE ALONG THE ATLANTIC COAST...THE
WESTERN PORTION OF OUR AREA IS THE MOST FAVORABLE FOR WIDESPREAD
MINOR TIDAL FLOODING TONIGHT.
TIDAL PILING...MAINLY ALONG THE ATLANTIC OCEAN AND BACK BAYS...WILL
DEVELOP OVERNIGHT. AS THE WATER TABLES INCREASE FROM HEAVY
RAIN...TIDAL FLOODING MAY BECOME MORE WIDESPREAD DURING HIGH TIDE
CYCLES ON MON.
FOR LATE MON AND TUE...FORECAST MODELS SHOW THE DEVELOPMENT OF A
STRONG COASTAL LOW WITH A RESURGENT STRONG EAST WIND FLOW. HEAVY
RAIN...STRONG WINDS AND TIDAL PILING WILL LIKELY CAUSE WIDESPREAD
MINOR FLOODING. MODERATE COASTAL FLOODING MAY BE POSSIBLE WITH THE
TUE MORNING HIGH TIDE CYCLE IN WESTERNMOST LONG ISLAND SOUND...WHICH
WOULD EVENTUALLY REQUIRE A COASTAL FLOOD WATCH.
HIGH SURF AND BEACH EROSION WILL ALSO DEVELOP MONDAY NIGHT AND
CONTINUE TUESDAY IN RESPONSE TO BUILDING SEAS AND A STRONG SE SWELL.
&&
.CLIMATE...
HERE ARE TOP 11 WETTEST MARCHES FOR CENTRAL PARK THUS FAR.
RANK....AMOUNT......DATE
1 10.54 1983
2 10.41 1980
3 8.79 1876
4 8.76 1953
5 7.71 2001
6 7.70 1912
7 7.41 1977
8 6.64 1993
9 6.47 1913
10 6.33 1994
11 6.31 2010
BASED ON THE FORECAST RAINFALL THE NEXT SEVERAL DAYS...THERE IS
THE POTENTIAL THAT THE RECORD FOR THE WETTEST MARCH EVER AT CENTRAL
PARK COULD BE BROKEN.
THE RECORD RAINFALL FOR MONDAY MARCH 29TH...
NEWARK.........2.20 INCHES...1984
BRIDGEPORT.....1.24 INCHES...1970
CENTRAL PARK...2.03 INCHES...1984
LA GUARDIA.....1.57 INCHES...1984
JFK............1.50 INCHES...1984
ISLIP..........1.35 INCHES...2003
&&
.OKX WATCHES/WARNINGS/ADVISORIES...
CT...FLOOD WATCH FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON
FOR CTZ007-008-011-012.
FLOOD WATCH FROM 2 AM EDT MONDAY THROUGH TUESDAY AFTERNOON FOR
CTZ005-006-009-010.
COASTAL FLOOD ADVISORY FROM 9 PM THIS EVENING TO 1 AM EDT
MONDAY FOR CTZ009-010.
NY...FLOOD WATCH FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON
FOR NYZ078>081.
FLOOD WATCH FROM 2 AM EDT MONDAY THROUGH TUESDAY AFTERNOON FOR
NYZ067>077.
COASTAL FLOOD ADVISORY UNTIL MIDNIGHT EDT TONIGHT FOR NYZ072-
074>077-080.
COASTAL FLOOD ADVISORY FROM 9 PM THIS EVENING TO 1 AM EDT
MONDAY FOR NYZ071-073-078.
NJ...FLOOD WATCH FROM 2 AM EDT MONDAY THROUGH TUESDAY AFTERNOON FOR
NJZ002>006-011.
COASTAL FLOOD ADVISORY UNTIL MIDNIGHT EDT TONIGHT FOR NJZ005-
006-011.
MARINE...SMALL CRAFT ADVISORY UNTIL 6 AM EDT TUESDAY FOR ANZ330-340-345.
SMALL CRAFT ADVISORY UNTIL 6 PM EDT MONDAY FOR ANZ335-338.
SMALL CRAFT ADVISORY UNTIL 6 PM EDT TUESDAY FOR ANZ350-353-355.
&&
SYNOPSIS AND NEAR/SHORT TERM...MALOIT
LONG TERM...MET
AVIATION...BG
MARINE...MALOIT/MET
HYDROLOGY...MALOIT
TIDES/COASTAL FLOODING...BG
CLIMATE...MALOITHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW YORK NY 458 PM EDT SUN MAR 28 2010 CTZ011-012-NYZ079-081-292100- SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-NORTHEASTERN SUFFOLK- SOUTHEASTERN SUFFOLK- 458 PM EDT SUN MAR 28 2010 ...FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT AND SOUTHEAST NEW YORK. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA. NJZ006-NYZ072-074>077-292100- HUDSON-NEW YORK (MANHATTAN)-RICHMOND (STATEN ISLAND)- KINGS (BROOKLYN)-QUEENS-NASSAU- 458 PM EDT SUN MAR 28 2010 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...FLOOD WATCH IN EFFECT FROM 2 AM EDT MONDAY THROUGH TUESDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST NEW JERSEY AND SOUTHEAST NEW YORK. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. COASTAL FLOOD ADVISORY. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA. CTZ009-010-NYZ071-073-292100- SOUTHERN FAIRFIELD-SOUTHERN NEW HAVEN-SOUTHERN WESTCHESTER-BRONX- 458 PM EDT SUN MAR 28 2010 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 1 AM EDT MONDAY... ...FLOOD WATCH IN EFFECT FROM 2 AM EDT MONDAY THROUGH TUESDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT AND SOUTHEAST NEW YORK. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. COASTAL FLOOD ADVISORY. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA. NYZ080-292100- SOUTHWESTERN SUFFOLK- 458 PM EDT SUN MAR 28 2010 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. COASTAL FLOOD ADVISORY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA. NYZ078-292100- NORTHWESTERN SUFFOLK- 458 PM EDT SUN MAR 28 2010 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 1 AM EDT MONDAY... ...FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. COASTAL FLOOD ADVISORY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA. CTZ005-006-NJZ002>004-NYZ067>070-292100- NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-WESTERN PASSAIC-BERGEN- EASTERN PASSAIC-ORANGE-PUTNAM-ROCKLAND-NORTHERN WESTCHESTER- 458 PM EDT SUN MAR 28 2010 ...FLOOD WATCH IN EFFECT FROM 2 AM EDT MONDAY THROUGH TUESDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT...NORTHEAST NEW JERSEY AND SOUTHEAST NEW YORK. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA. NJZ005-011-292100- ESSEX-UNION- 458 PM EDT SUN MAR 28 2010 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...FLOOD WATCH IN EFFECT FROM 2 AM EDT MONDAY THROUGH TUESDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST NEW JERSEY. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. COASTAL FLOOD ADVISORY. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA. CTZ007-008-292100- NORTHERN MIDDLESEX-NORTHERN NEW LONDON- 458 PM EDT SUN MAR 28 2010 ...FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA. ANZ330-335-338-340-345-355-292100- LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY- LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY- NEW YORK HARBOR-PECONIC AND GARDINERS BAYS- SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY- SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM- 458 PM EDT SUN MAR 28 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME THAT WOULD MEET NATIONAL WEATHER SERVICE WARNING CRITERIA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA. ANZ350-353-292100- MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM- FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM- 458 PM EDT SUN MAR 28 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME THAT WOULD MEET NATIONAL WEATHER SERVICE WARNING CRITERIA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN EFFECT ARE HIGHLIGHTED. PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS WARNING CRITERIA.
The national radar mosaic for the moment the first event began.
16 flood, 5 heavy rain. Local standard time, as filed.
Total rainfall recorded at Belvedere Castle in Central Park was 4.38 inches. In addition, total precipitation for the month of March was 10.69 inches which broke the old record of 10.54 inches set in 1983.
Total rainfall recorded at Islip MacArthur Airport in Islip was 4.91 inches. In addition, total precipitation for the month of March was 9.41 inches which broke the old record of 8.38 inches set in 2001. On March 29, 2.66 inches of this record rainfall fell within a 24 hour period.
Total rainfall recorded at John F. Kennedy (JFK) International Airport and LaGuardia Airport was 4.52 inches and 4.16 inches respectively. In addition, total precipitation for the month of March was 8.62 inches at JFK Airport which broke the old record of 8.17 inches set in 1980. On March 30, 2.29 inches of this record rainfall fell within a 24 hour period. Total precipitation for the month of March was 8.62 inches at JFK Airport which broke the old record of 8.17 inches set in 1980. On March 30, 2.29 inches of this record rainfall fell within a 24 hour period. The total monthly precipitation for March at LaGuardia Airport was 9.55 inches which also broke its previous record of 8.73 inches set in 1953.
The Saw Mill River Pkwy. was closed in both directions between Manville Rd. and Marble Ave. in Pleasantville due to flooding.
Saw Mill River Rd. southbound was closed between White House Rd. and Worthington Rd. due to flooding.
The Bronx River Pkwy. was closed in both directions between Chatterton Ave. and Main St. in White Plains due to flooding.
The Bronx River Pkwy. was closed in both directions between the Sprain Brook Pkwy. in Yonkers and County Center Rd. in White Plains due to flooding.
The northbound exit ramp from the Taconic State Pkwy to the Saw Mill River Pkwy. in Hawthorne was closed due to flooding.
Approximately 5 inches of water was covering Route 110 south of Smith St. in East Farmingdale.
Route 59 eastbound at Route 303 south in West Nyack was closed due to flooding.
Route 59 eastbound in West Nyack was closed at Palisades Center Dr. due to flooding.
Total rainfall amounts received across Rockland County ranged from 2.91 inches in Suffern to 3.82 inches in Spring Valley.
Route 110 in Halesite was closed in both directions between Mill Dam Rd. and Prime Avenue.
A prolonged period of heavy rain caused a mudslide onto the railroad tracks near the Metro North Riverdale train station, which temporarily disrupted service.
A car was stuck in high water on Smith Rd. adjacent to Sachem High School North in Ronkonkoma.
Total rainfall amounts received across Suffolk County ranged from 4.33 inches at the Fire Island Coast Guard Station to 8.83 inches in Riverhead.
In Yonkers, the Bronx River Pkwy. was closed in both directions in the vicinity of the Sprain Brook Pkwy. due to flooding.
A car was trapped in flood waters almost up to its windshield on Coram-Sweezytown Rd. in Middle Island.
Many basements and roads were flooded in Aquebogue, Southold, Riverhead and Wading River.
Heavy rain caused a mudslide and property damage between 119 Shore Rd. in Glen Cove and 11 Prospect Ave. in Sea Cliff.
Total rainfall amounts reported across Nassau County were between 4.66 inches in Levittown and 6.18 inches in Lynbrook.
The entrance ramp from the Throgs Neck Bridge onto the southbound Cross Island Pkwy. in Bayside was closed due to flooding.
Total rainfall amounts received across Queens County ranged from 3.86 in South Ozone Park to 4.52 inches at John F. Kennedy International Airport.
The Hutchinson River Pkwy was closed in both directions between the Cross County Pkwy in Pelham and the Bronx-Westchester County border.
The 18A exit ramp for Fenimore Rd. on I-95 northbound in Mamaroneck was closed due to flooding.
Total rainfall amounts received across Westchester County ranged from 3.20 inches in Yorktown Heights to 4.83 inches in White Plains.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2010Every state in 2010This day in weather historyWarnings in New York, March 2010
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 221367, 221372, 221376, 221178, 221179, 221180, 221184, 221185, 221354, 221348, 221350, 221351, 221360, 221352, 221345, 221721, 221722, 221720, 221359, 221346, 221347.