A slow moving cold front triggered numerous thunderstorms in a tropical airmass which produced very heavy rain and flash flooding in Fairfield County Connecticut.
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 triggered numerous thunderstorms in a tropical airmass which produced very heavy rain and flash flooding in Fairfield County Connecticut.
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 21, 2:14 PM EST, 1 hour 32 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
314 PM EDT FRI AUG 21 2009
.SYNOPSIS...
A COLD FRONT OVER THE OHIO VALLEY WILL BECOME NEARLY STATIONARY
WEST OF THE APPALACHIANS TONIGHT THROUGH SATURDAY. HURRICANE BILL
PASSES WELL EAST OF THE AREA SATURDAY NIGHT 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 AM SATURDAY MORNING/...
SEVERE THUNDERSTORM WATCH #726/727 REMAINS IN EFFECT FOR THE
WESTERN HALF OF THE TRI-STATE AREA. IN ADDITION...A COASTAL FLOOD
ADVISORY REMAINS IN EFFECT FOR HIGH TIDE CYCLES TONIGHT THROUGH
SAT NIGHT. THE HIGH SURF ADVISORY WILL BEGIN THIS EVENING...
LASTING THROUGH SUN. SEE TIDES/COASTAL FLOODING SECTION BELOW FOR
FURTHER DETAILS.
HEAT ADVISORY REMAINS UP FOR NYC AS THE HEAT INDEX RANGES FROM 95
TO 100. CONDITIONS SHOULD BEGIN TO IMPROVE AS TEMPS DROP IN ANY
SHOWERS/TSTMS...AND THE HEAT INDEX WILL DROP BELOW 95 BY 8 PM.
LINE OF STRONG TO SEVERE SHOWERS AND THUNDERSTORMS WILL MOVE INTO
EASTERN NJ...THE LOWER HUDSON VALLEY AND NYC THROUGH THIS EVENING.
DAMAGING WINDS OVER 60 MPH AND LARGE HAIL WILL BE POSSIBLE IN
SEVERE STORMS. INSTABILITY VALUES ARE QUITE HIGH WITH ML MUCAPES
OVER 3000 J/KG AND THE LIFTED INDEX BETWEEN -5 AND -6 C. BREAKS IN
THE CLOUDS ALLOWED TEMPS TO SOAR NEAR 90...COMBINED WITH SFC
DEWPOINTS IN THE MID TO UPPER 70S. PWATS ARE OVER 2 INCHES.
COLD FRONT OVER THE OH VALLEY MOVES WEST OF THE APPALACHIANS
BEFORE BECOMING NEARLY STATIONARY. AHEAD OF THIS FRONT...A PRE-
FRONTAL TROUGH WILL FOCUS AS THE TRIGGERING MECHANISM FOR NUMEROUS
SHOWERS AND THUNDERSTORMS THROUGH TONIGHT. WILL ISSUE A FLASH
FLOOD WATCH FOR TONIGHT THROUGH SAT...AS THUNDERSTORMS WILL
CONTINUE TO PRODUCE HEAVY RAIN THROUGH THE OVERNIGHT.
&&
.SHORT TERM /6 AM SATURDAY MORNING THROUGH MONDAY/...
SLOW MOVING COLD FRONT CONTINUES TO MOVE TOWARDS THE APPALACHIANS
BEFORE BECOMING NEARLY STATIONARY BY SAT NIGHT. AIRMASS REMAINS
SATURATED WITH SFC DEWPOINTS WELL INTO THE 70S AND PWATS OVER 2
INCHES. THE FRONT WILL CONTINUE TO BE THE FOCUSING MECHANISM FOR
SHOWER AND TSTM DEVELOPMENT THROUGH SAT NIGHT AT THE LEAST. HEAVY
DOWNPOURS AND POTENTIAL FLASH FLOODING CONTINUES TO BE A CONCERN.
FLASH FLOOD WATCH REMAINS UP FOR THE WESTERN THIRD OF THE CWA
THROUGH SAT AFTERNOON.
REGARDING TROPICS...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. PLEASE SEE MARINE AND
COASTAL FLOODING/TIDE SECTIONS FOR MORE DETAIL.
FRONT/UPPER TROUGH MOVES THROUGH THE REGION SUN...AND CONDITIONS
WILL GRADUALLY IMPROVE THROUGHOUT THE DAY. HIGH PRES MOVES NEARLY
OVERHEAD ON MON...BRINGING A SLIGHTLY COOLER AND DRYER AIRMASS TO
THE AREA.
&&
.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
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 /19Z FRIDAY THROUGH WEDNESDAY/...
LINE OF CONVECTION ACROSS EASTERN PA IMPACTING LOWER HUDSON VALLEY
TERMINALS WITH SCT CONVECTION DEVELOPING ACROSS THE NYC TERMINALS
AT 18Z.
MAIN LINE WITH POTENTIAL HIGH WIND GUSTS (UP TO 50 KT) MOVING INTO
THE NYC TERMINALS AROUND 20Z. CONVECTION LIKELY TO PERSIST INTO
EARLY THIS EVENING AND THEN DISSIPATES WITH AIRMASS STABILIZING
OVERNIGHT. CONVECTION MAY LINGER AT KSWF OVERNIGHT WITH BOUNDARY
REMAINING IN CLOSE PROXIMITY.
INVERTED TROF SETTING UP ON SAT ALONG THE EAST COAST...WELL WEST
OF HURRICANE BILL...LIKELY TO FOCUS ADDI TONAL CONVECTION ON SAT.
CONFIDENCE ON WHERE THIS SETS UP NOT HIGH...BUT WEST OF NYC
APPEARS MORE LIKELY. THUS...A SIMILAR ROUND OF CONVECTION WITH SUB
VFR CONDITIONS LIKELY FOR THE NYC AND LOWER HUDSON VALLEY
TERMINALS...MAINLY AFTER 18Z WITH A STRENGTHENING FRONTAL ZONES.
OTHERWISE SOME PATCHY MVFR CEILINGS ACROSS LI AND COASTAL CT THIS
AFT. PRIMARILY VFR CEILINGS OVERNIGHT WITH MVFR FOG ACROSS COASTAL
AREAS. KSWF LIKELY TO STAY SUB VFR OVERNIGHT WITH ONGOING PCPN.
SLY WINDS 10 TO 15 KT THIS AFT...GUSTING TO AROUND 20 KT. WINDS
DIMINISH TO 5 TO 10 KT OVERNIGHT AND THEN BACK AROUND TO THE SE
AFTER 12Z IN RESPONSE TO SFC HI PRES BUILDING NORTH AHEAD OF
HURRICANE BILL.
OUTLOOK 18Z SATURDAY THROUGH TUESDAY...
SATURDAY THROUGH SUNDAY EVENING: SUB VFR POSSIBLE IN SHOWERS AND
THUNDERSTORMS.
SUNDAY EVENING THROUGH TUESDAY: VFR.
&&
.MARINE...
OCEAN SWELLS RUNNING AROUND 5 FT WITH 15 SEC PERIODS. WITH APPROACH
OF HURRICANE BILL ON SAT...SEAS ON THE OPEN OCEAN WATERS WILL BUILD
TO 13-17 FT...WITH SEAS OF 7-10 FT NEAR SHORE. HIGH SEAS WILL EVEN
SPILL OVER INTO EASTERN LI SOUND...AS SEAS WILL BUILD TO 5-7 FT
SAT/SAT NIGHT. WILL ISSUE A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS
FOR EASTERN LI SOUND STARTING TONIGHT AND LASTING THROUGH SAT NIGHT.
DUE TO THESE ROUGH CONDITIONS...A HIGH SURF ADVISORY IS IN EFFECT
FOR THE OCEAN FACING COASTS OF LONG ISLAND THROUGH SAT NIGHT. THERE
IS A HIGH RISK FOR RIP CURRENTS...AS THE OCEAN BEACHES WILL BE QUITE
DANGEROUS.
SCA WINDS POSSIBLE SUNDAY AS BILL PULLS AWAY...ESPECIALLY EASTERN LI
SOUND AND ANZ350. SEAS REMAIN ABOVE 5 FT THROUGH MON. HIGH PRES
BUILDS INTO THE REGION AND CONDITIONS IMPROVE THROUGH THE MIDDLE
PART OF NEXT WEEK.
&&
.HYDROLOGY...
WILL ISSUE A FLASH FLOOD WARNING FOR THE WESTERN THIRD OF THE CWA
THROUGH SAT AS NUMEROUS SHOWERS/TSTMS WILL DEVELOP...PRODUCING
LOCALLY HEAVY RAIN. PWATS ARE OVER 2 INCHES. IN GENERAL...BETWEEN
1 AND 2 INCHES OF RAIN WILL FALL...BUT IN TRAINING OF STORMS...QPF
TOTALS COULD RANGE FROM 2 TO 5 INCHES.
&&
.TIDES/COASTAL FLOODING...
TIDAL DEPARTURES AROUND 1 FT ARE EXPECTED DURING HIGH TIDE CYCLES
TONIGHT...PRODUCING MINOR COASTAL FLOODING ACROSS NY HARBOR AND
THE BACK BAYS OF LONG ISLAND. TIDAL DEPARTURES OF 1-1.5 FT ARE
EXPECTED SAT/SAT NIGHT...POSSIBLY THROUGH SUN MORNING. WILL ISSUE
A COASTAL FLOOD ADVISORY FOR OCEAN FACING SHORES...INCLUDING NY
HARBOR... THROUGH SAT NIGHT...BUT THIS MAY HAVE TO BE EXTENDED
INTO SUN IF CONDITIONS WARRANT.
EXPECT SURF HEIGHTS AROUND 2 TO 3 FT THIS EVENING...BUILDING TO 4
TO 7 FT ON SAT...AND THEN TO 8 TO 10 FT WITH HIGHER SETS SAT NIGHT
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 SATURDAY AFTERNOON FOR NYZ067>076.
COASTAL FLOOD ADVISORY FROM 8 PM THIS EVENING TO MIDNIGHT EDT
SATURDAY NIGHT FOR NYZ072-074>077-080-081.
HIGH SURF ADVISORY UNTIL 6 PM EDT SUNDAY FOR NYZ075>077-080-
081.
HEAT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR NYZ072>076.
NJ...FLASH FLOOD WATCH THROUGH SATURDAY AFTERNOON FOR NJZ002>006-
011.
COASTAL FLOOD ADVISORY FROM 8 PM THIS EVENING TO MIDNIGHT EDT
SATURDAY NIGHT FOR NJZ006.
MARINE...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS FROM MIDNIGHT TONIGHT
TO 6 AM EDT SUNDAY FOR ANZ330.
SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 6 PM EDT SUNDAY
FOR ANZ350-353-355.
&&
SYNOPSIS...MPS
NEAR TERM...MPS
SHORT TERM...MPS
LONG TERM...MPS
AVIATION...DW
MARINE...MPS
HYDROLOGY...MPS
TIDES/COASTAL FLOODING...MPSHAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE NEW YORK NY 413 PM EDT FRI AUG 21 2009 NYZ072-221015- NEW YORK (MANHATTAN)- 413 PM EDT FRI AUG 21 2009 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON... ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... 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. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. HEAT ADVISORY. COASTAL FLOOD ADVISORY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY 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. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NYZ073-221015- BRONX- 413 PM EDT FRI AUG 21 2009 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON... ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... 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. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. HEAT ADVISORY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NYZ074-221015- RICHMOND (STATEN ISLAND)- 413 PM EDT FRI AUG 21 2009 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON... ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... 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. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. HEAT ADVISORY. COASTAL FLOOD ADVISORY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY 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. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NYZ075-221015- KINGS (BROOKLYN)- 413 PM EDT FRI AUG 21 2009 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM EDT SUNDAY... ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON... ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... 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. HIGH SURF ADVISORY. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. HEAT ADVISORY. COASTAL FLOOD ADVISORY. THERE IS A HIGH RISK OF RIP CURRENTS AT OCEAN FACING BEACHES. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH SURF ADVISORY. FLASH FLOOD WATCH. COASTAL FLOOD ADVISORY. THERE IS A HIGH RISK OF RIP CURRENTS AT OCEAN FACING BEACHES. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NYZ076-221015- QUEENS- 413 PM EDT FRI AUG 21 2009 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM EDT SUNDAY... ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON... ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... 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. HIGH SURF ADVISORY. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. HEAT ADVISORY. COASTAL FLOOD ADVISORY. THERE IS A HIGH RISK OF RIP CURRENTS AT OCEAN FACING BEACHES. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH SURF ADVISORY. FLASH FLOOD WATCH. COASTAL FLOOD ADVISORY. THERE IS A HIGH RISK OF RIP CURRENTS AT OCEAN FACING BEACHES. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NYZ077-221015- NASSAU- 413 PM EDT FRI AUG 21 2009 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM EDT SUNDAY... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK. .DAY ONE...TONIGHT. THERE IS A HIGH RISK OF RIP CURRENTS AT OCEAN FACING BEACHES. 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...SATURDAY THROUGH THURSDAY 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. THERE IS A HIGH RISK OF RIP CURRENTS AT OCEAN FACING BEACHES. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NYZ080-081-221015- SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK- 413 PM EDT FRI AUG 21 2009 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM EDT SUNDAY... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... 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. HIGH SURF ADVISORY. COASTAL FLOOD ADVISORY. THERE IS A HIGH RISK OF RIP CURRENTS AT OCEAN FACING BEACHES. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY 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. THERE IS A HIGH RISK OF RIP CURRENTS AT OCEAN FACING BEACHES. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NYZ078-079-221015- NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK- 413 PM EDT FRI AUG 21 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME THAT WOULD MEET NATIONAL WEATHER SERVICE WARNING CRITERIA. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NJZ006-221015- HUDSON- 413 PM EDT FRI AUG 21 2009 ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON... ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... 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. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. COASTAL FLOOD ADVISORY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY 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. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NJZ002>005-011-221015- WESTERN PASSAIC-BERGEN-EASTERN PASSAIC-ESSEX-UNION- 413 PM EDT FRI AUG 21 2009 ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON... ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... 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. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. NYZ067>071-221015- ORANGE-PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER- 413 PM EDT FRI AUG 21 2009 ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON... ...SEVERE THUNDERSTORM WATCH 726 IN EFFECT UNTIL 7 PM EDT THIS EVENING... 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. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. CTZ005-009-221015- NORTHERN FAIRFIELD-SOUTHERN FAIRFIELD- 413 PM EDT FRI AUG 21 2009 ...SEVERE THUNDERSTORM WATCH 726 IN EFFECT UNTIL 7 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME THAT WOULD MEET NATIONAL WEATHER SERVICE WARNING CRITERIA. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. CTZ006>008-010>012-221015- NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-NORTHERN NEW LONDON- SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON- 413 PM EDT FRI AUG 21 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME THAT WOULD MEET NATIONAL WEATHER SERVICE WARNING CRITERIA. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. ANZ350-353-355-221015- MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM- FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM- SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM- 413 PM EDT FRI AUG 21 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SEAS ON THE OPEN OCEAN WATERS WILL BUILD TO 12 TO 17 FT ON SATURDAY...GRADUALLY SUBSIDING BY SUNDAY. EXTREMELY ROUGH CONDITIONS ARE LIKELY AROUND JETTYS AND INLETS FACING THE OCEAN. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. ANZ330-335-340-345-221015- LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY- LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY- PECONIC AND GARDINERS BAYS- SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY- 413 PM EDT FRI AUG 21 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY EXTREMELY ROUGH CONDITIONS ARE LIKELY AROUND JETTYS AND INLETS FACING THE OCEAN. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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. ANZ338-221015- NEW YORK HARBOR- 413 PM EDT FRI AUG 21 2009 ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY EXTREMELY ROUGH CONDITIONS ARE LIKELY AROUND JETTYS AND INLETS FACING THE OCEAN. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. && 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), 77 km away, was scanning. The volume nearest the first event began at 20:47 UTC.
1 flash flood. Local standard time, as filed.
In Danbury, 3 ft. of standing water accumulated on White St. at the intersection of Meadow Street. Six to eight inches of standing water also accumluated on roads near the Bethel town line.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Connecticut in 2009Every state in 2009This day in weather historyWarnings in Connecticut, 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: 192719.