A slow moving cold front in a tropical airmass triggered scattered thunderstorms in portions of the Lower Hudson Valley, which produced very heavy rain and flash flooding in Westchester County.
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 slow moving cold front in a tropical airmass triggered scattered thunderstorms in portions of the Lower Hudson Valley, which produced very heavy rain and flash flooding in Westchester County.
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 Aug 22, 12:46 PM EST, 4 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
146 PM EDT SAT AUG 22 2009
.SYNOPSIS...
A COLD FRONT WILL REMAIN NEARLY STATIONARY JUST TO THE WEST OF THE
AREA TODAY AND TONIGHT. HURRICANE BILL PASSES WELL EAST OF THE AREA
TONIGHT THROUGH SUNDAY. AN UPPER TROUGH MOVES THROUGH ON SUNDAY...THEN
HIGH PRESSURE BUILDS INTO THE REGION EARLY IN THE WEEK.
FOR THE LATEST AND MOST UP TO DATE INFORMATION ON BILL...REFER TO
FORECASTS AND ADVISORIES ISSUED BY THE TROPICAL PREDICTION CENTER.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
CWA REMAINS IN TROPICAL AIRMASS TODAY...WITH SOUTHWEST STEERING FLOW
AND EMBEDDED SHORTWAVES RIDING NORTHEASTWARD IN THE FLOW. SFC COLD
FRONT REMAINS JUST TO THE WEST THROUGH THE DAY TODAY. PWATS AROUND 2
INCHES SETS THE STAGE FOR HEAVY DOWNPOURS...WITH GREATEST COVERAGE
THE WESTERN HALF OF THE CWA. IN FACT...AS BILL MOVES WELL TO THE
SOUTHEAST...WEAK RIDGING BETWEEN BILL AND UPPER TROUGH TO THE WEST
WILL RESULT IN A SHARP GRADIENT TO ANY PRECIP...WITH EASTERN
SECTIONS OBSERVING MUCH LESS COVERAGE OF SHOWERS/TSTMS TODAY. WILL
LAYER POPS ACCORDINGLY.
FLASH FLOOD WATCH CONTINUES TODAY...AS DOES HIGH SURF AND COASTAL
FLOODING. SEE TIDES/COASTAL FLOODING SECTION BELOW FOR FURTHER
DETAILS.
TEMPS COOLER TODAY AND FOLLOWED MOS BLENDS.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH MONDAY/...
HURRICANE BILL CONTINUES ON A TRACK WELL EAST OF THE FCST AREA...BUT
DANGEROUS SEAS AND RIP CURRENTS WILL HAVE A SIGNIFICANT IMPACT ON
THE LOCAL AREA TONIGHT AND SUNDAY. PLEASE SEE MARINE AND COASTAL
FLOODING/TIDE SECTIONS FOR MORE DETAIL.
FRONT/UPPER TROUGH SLOWLY MOVE EASTWARD THROUGH SUN...BUT DEEP
MOISTURE COMBINED WITH WEAK CONVERGENCE ALONG THE BOUNDARY WARRANT
AT LEAST CHANCE POPS FOR NOW. THE SLOW MOVING UPPER TROUGH COULD
TOUCH OFF A SHOWER OR TWO MONDAY...BUT OVERALL A MUCH DRIER DAY
EXPECTED AS LOW LEVEL FLOW TURNS NORTHWEST.
MOS CLOSE AND FOLLOWED.
&&
.LONG TERM /MONDAY NIGHT THROUGH SATURDAY/...
HIGH PRES BUILDS INTO THE REGION MON NIGHT/TUE WITH COOLER AND
MUCH DRYER AIR. THE NEXT COLD FRONT WILL MOVE THROUGH THE REGION
MID-WEEK WITH ANOTHER CHANCE FOR SHOWERS/TSTMS. BEHIND THAT
FRONT...A MUCH COOLER AND DRYER AIRMASS BUILDS INTO THE FCST AREA
FOR THE END OF THE WEEK.
&&
.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
PERIODS OF MVFR ACROSS THE METRO TODAY. MVFR/IFR KSWF. SCT MVFR
ERN CT/LI. TSTMS BEGINNING TO DEVELOP IN THE VCTY OF THE METRO
AND WILL TEMPO TSRA DURING THE AFTN AS CONVECTION ACROSS NJ
DEVELOPS NWD. MAINLY ISOLD TSTMS E OF THE METRO THIS AFTN. WINDS
BACK TONIGHT AS THE HURRICANE TRACKS N OVER THE OCEAN. LGT FLOW
WILL RESULT IN PATCHY MVFR/IFR CIGS OVERNIGHT. TSTMS POSSIBLE SUN
AFTN.
OUTLOOK 00Z MONDAY THROUGH THURSDAY...
CONDITIONS IMPROVE TO VFR SUN NIGHT BEHIND FROPA. HI PRES AND
VFR OUTSIDE OF PATCHY EARLY MRNG MVFR MON-WED. MVFR POSSIBLE THU
WITH LOW PRES APPROACHING.
&&
.MARINE...
OCEAN SWELLS RUNNING AROUND 5 TO 7 FT WITH 15 SEC PERIODS. WITH
APPROACH OF HURRICANE BILL...SEAS ON THE OPEN OCEAN WATERS WILL
BUILD TO 10-15 FT...WITH SEAS OF 6-10 FT NEAR SHORE. HOWEVER...BOTH
00Z WAVE WATCH III FORECASTS AND N ATLC HURCN WAVEWATCH HAVE COME
DOWN A FOOT OR TWO THIS RUN...AND REMAIN IN FAIRLY GOOD AGREEMENT.
HIGH SEAS STILL EXPECTED TO SPILL OVER INTO EASTERN LI SOUND...AS
SEAS WILL BUILD TO 4-6 FT LATER TODAY AND TONIGHT. SCA FOR HAZ SEAS.
DUE TO THESE ROUGH CONDITIONS...A HIGH SURF ADVISORY IS IN EFFECT
FOR THE OCEAN FACING COASTS OF LONG ISLAND THROUGH TONIGHT.
SCA WINDS POSSIBLE EARLY SUNDAY AS BILL PULLS AWAY ACROSS EASTERN
OCEAN ZONE...ANZ350. SEAS LIKELY REMAIN ABOVE 5 FT ON THE OCEAN AND
POSSIBLY NEAR THE ENTRANCE TO EASTERN LI SOUND THROUGH MON. HIGH
PRES BUILDS INTO THE REGION AND CONDITIONS IMPROVE THROUGH THE
MIDDLE PART OF NEXT WEEK.
&&
.HYDROLOGY...
FLASH FLOOD WATCH FOR THE WESTERN THIRD OF THE CWA REMAINS IN EFFECT
THROUGH TODAY. TRAINING OF HEAVY SHOWERS AND TSTMS EARLIER WILL
CONTINUE ACROSS THE WATCH AREA. THE MAIN BAND OF ORGANIZED RAIN
RETROGRADES A BIT LATER TODAY AND TONIGHT...THUS DO NOT FORESEE
EXTENDING THE WATCH ATTM. PWATS REMAIN AROUND 2 INCHES...SO DO
EXPECT HEAVY DOWNPOURS TODAY. QPF TOTALS COULD RANGE FROM 1 TO 3
INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.
&&
.TIDES/COASTAL FLOODING...
FELL JUST SHORT OF MINOR COASTAL FLOODING THRESHOLDS ON THE SOUTH
SHORE BAYS AND NY HARBOR LATE LAST EVENING...BUT INCREASING SEAS AND
LONG PERIOD SWELLS THROUGH TONIGHT WOULD MAKE ME BELIEVE THAT LEVELS
SHOULD RISE ABOVE MINOR THRESHOLDS DURING BOTH HIGH TIDE CYCLES
TODAY. TIDAL DEPARTURES OF AROUND 1 FT ABOVE IS EXPECTED. COASTAL
FLOOD ADVISORY REMAINS IN EFFECT FOR OCEAN FACING SHORES...INCLUDING
NY HARBOR...THROUGH TONIGHT. WILL NOT EXTEND INTO SUNDAY ATTM.
SURF HEIGHTS ARE EXPECTED TO BUILD TO 4 TO 7 FT TODAY...AND THEN
TO 7 TO 10 FT TONIGHT AND SUN. HIGH SURF ADVISORY IS IN EFFECT
THROUGH SUN.
IN ADDITION...THOSE WITH INTERESTS ALONG THE IMMEDIATE ATLANTIC
COAST SHOULD BE PREPARED FOR LOCAL WASH OVERS AND BEACH EROSION.
&&
.OKX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
NY...FLASH FLOOD WATCH THROUGH LATE TONIGHT FOR NYZ067>076.
COASTAL FLOOD ADVISORY UNTIL 1 PM EDT SUNDAY FOR NYZ072-
074>077-080-081.
HIGH SURF ADVISORY UNTIL 6 PM EDT SUNDAY FOR NYZ075>077-080-
081.
NJ...FLASH FLOOD WATCH THROUGH LATE TONIGHT FOR NJZ002>006-011.
COASTAL FLOOD ADVISORY UNTIL 1 PM EDT SUNDAY FOR NJZ006.
MARINE...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 6 AM EDT SUNDAY
FOR ANZ330.
SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 6 PM EDT SUNDAY
FOR ANZ350-353-355.
&&
SYNOPSIS...PW
NEAR TERM...PW
SHORT TERM...PW
LONG TERM...
AVIATION...JMC
MARINE...PW
HYDROLOGY...PW
TIDES/COASTAL FLOODING...HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE NEW YORK NY 1108 AM EDT SAT AUG 22 2009 NJZ002>005-011-NYZ067>071-073-231000- WESTERN PASSAIC-BERGEN-EASTERN PASSAIC-ESSEX-UNION-ORANGE-PUTNAM- ROCKLAND-NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-BRONX- 1108 AM EDT SAT AUG 22 2009 ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST NEW JERSEY AND SOUTHEAST NEW YORK. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. IN ADDITION...THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED THE AREA UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY 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. NJZ006-NYZ072-074-231000- HUDSON-NEW YORK (MANHATTAN)-RICHMOND (STATEN ISLAND)- 1108 AM EDT SAT AUG 22 2009 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST NEW JERSEY AND SOUTHEAST NEW YORK. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. COASTAL FLOOD ADVISORY. IN ADDITION...THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED THE AREA UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY 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. CTZ005-006-009-010-NYZ078-231000- NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-SOUTHERN FAIRFIELD- SOUTHERN NEW HAVEN-NORTHWESTERN SUFFOLK- 1108 AM EDT SAT AUG 22 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT AND SOUTHEAST NEW YORK. .DAY ONE...THIS AFTERNOON AND TONIGHT. THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED THE AREA UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY 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. NYZ077-080-231000- NASSAU-SOUTHWESTERN SUFFOLK- 1108 AM EDT SAT AUG 22 2009 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM EDT SUNDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH SURF ADVISORY. COASTAL FLOOD ADVISORY. IN ADDITION...THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED THE AREA UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH SURF ADVISORY. .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. NYZ075-076-231000- KINGS (BROOKLYN)-QUEENS- 1108 AM EDT SAT AUG 22 2009 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM EDT SUNDAY... ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. COASTAL FLOOD ADVISORY. HIGH SURF ADVISORY. IN ADDITION...THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED THE AREA UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH SURF ADVISORY. .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. CTZ007-008-011-012-NYZ079-231000- NORTHERN MIDDLESEX-NORTHERN NEW LONDON-SOUTHERN MIDDLESEX- SOUTHERN NEW LONDON-NORTHEASTERN SUFFOLK- 1108 AM EDT SAT AUG 22 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT AND SOUTHEAST NEW YORK. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY 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. NYZ081-231000- SOUTHEASTERN SUFFOLK- 1108 AM EDT SAT AUG 22 2009 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM EDT SUNDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH SURF ADVISORY. COASTAL FLOOD ADVISORY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH SURF ADVISORY. .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. ANZ353-355-231000- FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM- SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM- 1108 AM EDT SAT AUG 22 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. SEAS ON THE OPEN OCEAN WATERS WILL BUILD TO 10 TO 15 FT. EXTREMELY ROUGH CONDITIONS ARE LIKELY AROUND JETTYS AND INLETS FACING THE OCEAN. IN ADDITION...THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED THE AREA UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY 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. ANZ350-231000- MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM- 1108 AM EDT SAT AUG 22 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. SEAS ON THE OPEN OCEAN WATERS WILL BUILD TO 10 TO 15 FT. EXTREMELY ROUGH CONDITIONS ARE LIKELY AROUND JETTYS AND INLETS FACING THE OCEAN. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY 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. ANZ330-335-338-340-345-231000- 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- 1108 AM EDT SAT AUG 22 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED THE AREA UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY 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. MPS
The Brookhaven radar (KOKX), 87 km away, was scanning. The volume nearest the first event began at 17:48 UTC.
1 flash flood. Local standard time, as filed.
Several reports were received in Hastings-On-Hudson of streets and intersections flooded. Two manhole covers were also lifted from the water pressure underground.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2009Every state in 2009This day in weather historyWarnings in New York, August 2009
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: 192748.