Alert archive / New York / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 111, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Aug 21, 2009, 2:37 PM EDT for Orange County, New York. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 21, 2009, 2:37 PM EDT (18:37 UTC)
- Expired
- Aug 21, 2009, 3:15 PM EDT
- In force
- 38 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
County Orange County, NY
The radar
The Albany radar (KENX), 133 km from the middle of the area, began a volume at 18:38 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 21, 10:47 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.6 hours before the alert went out and 135 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2197 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 740 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.7
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 21, 12:44 PM EDT, 1 hour 53 minutes earlier.
Area forecast discussion, Aug 21, 12:44 PM EDT, 1 hour 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
1244 PM EDT FRI AUG 21 2009
.SYNOPSIS...
SOUTHERLY FLOW INCREASES TODAY AHEAD OF A STRONG COLD FRONT. THIS
COLD FRONT APPROACHES THE REGION TONIGHT AND REMAINS NEARLY
STATIONARY THROUGH SATURDAY...BEFORE SLOWLY MOVING ACROSS THE AREA
ON SUNDAY. HURRICANE BILL WILL PASS WELL EAST OF THE AREA SATURDAY
NIGHT THROUGH SUNDAY. AN UPPER TROUGH MOVES THROUGH ON SUNDAY...THEN
HIGH PRESSURE BUILDS IN 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/...
SEVERE THUNDERSTORM WATCH #726/727 IN EFFECT FOR MUCH OF THE TRI-
STATE AREA. ALSO ISSUED COASTAL FLOOD ADVISORY FOR HIGH TIDE
CYCLES TONIGHT THROUGH SAT NIGHT AND HIGH SURF ADVISORY STARTING
SAT MORNING AND LASTING THROUGH SUN.
AREA REMAINS IN THE WARM SECTOR AS A COLD FRONT EVER SO SLOWLY
APPROACHES FROM THE WEST AHEAD OF TROUGH.
ANOTHER HOT AND HUMID DAY ON TAP...WITH SFC DEW POINTS QUITE HIGH
ONCE AGAIN. LAV/MAV/MET NUMBERS ALL PROG AT LEAST LOWER 70S
TDS...AND HEAT ADVISORY CONTINUES FOR NYC. PLENTY OF CLOUD COVER
COULD PREVENT TEMPS FROM ECLIPSING 90...BUT SHOULD COME CLOSE.
WITH PRECIP WATER CONTENTS ABOVE 2 INCHES...FLASH FLOODING A
CONCERN...PARTICULARLY NW OF NYC CLOSER TO FRONT.
SEAS AND RIP CURRENTS WILL BE A PROBLEM TODAY. FOR MORE INFORMATION
AND DETAILS...PLEASE SEE MARINE AND COASTAL FLOODING/TIDE SECTIONS.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/...
SLOW MOVING COLD FRONT SLOWLY MOVES EAST...BUT WILL HAVE A
DIFFICULT TIME TRAVERSING ACROSS THE AREA AS NEXT EMBEDDED
SHORTWAVE DIVES ON BACK SIDE OF TROUGH AND REINFORCES IT. IN
ADDITION...BILL WILL ACT AS A BLOCK TEMPORARILY FOR ANY FURTHER
EASTWARD MOVEMENT OF THIS FRONT. AS SUCH...THE FRONT WILL CONTINUE
TO BE A FOCUSING MECHANISM FOR ANY SHOWER OR TSTM DEVELOPMENT
THROUGH SAT NIGHT AT THE LEAST. WITH AIRMASS SATURATED AND PRECIP
WATER CONTENT REMAINING 2 INCHES OR MORE...HEAVY DOWNPOURS AND
POTENTIAL FLASH FLOODING CONTINUES TO BE A CONCERN. LEANED TOWARD
NAM/EC AS THEIR SOLUTIONS REMAIN CLOSE TO ENSEMBLE SOLUTIONS WITH
MID LATITUDE TROUGH AND BILL.
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.
&&
.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
DEEP TROUGH OVER THE EASTERN US WILL SLOWLY FILL AND FLATTEN EARLY
IN THE WEEK AS DEEP RIDGING BUILDS INTO THE PLAINS AND THE WESTERN
ATLANTIC RIDGE RE-ESTABLISHES ITSELF. A SHORTWAVE TROUGH APPROACHING
FROM CENTRAL CANADA WILL REINFORCE THE TROUGHING OVER THE NORTHEAST
BY MIDWEEK.
EFFECTS FROM BILL SHOULD BE WINDING DOWN WITH PERHAPS JUST STRONG
RIPS CONTINUING AT THE OCEAN BEACHES ON MON. A WEAK WAVE OF LOW
PRES FORECAST TO BE JUST SOUTH OF LI MON MORNING WILL SLOWLY SLIDE
EAST. POSSIBLY A FEW SHOWERS AROUND SUN NIGHT AND MON. HIGH PRES
BUILDS IN MON NIGHT THROUGH TUE NIGHT...HOWEVER COULD HAVE A FEW
AIRMASS SHOWERS/TSTMS TUE AFTN AS WE REMAIN WARM SECTORED. A COLD
FRONT APPROACHES WED WITH SCT SHOWERS AND TSTMS DURING THE
AFTN/EVE HOURS. THE FRONT IS EXPECTED TO STALL OUT SOUTH OF LONG
ISLAND FOR THE BALANCE OF THE WEEK.
&&
.AVIATION /18Z FRIDAY THROUGH WEDNESDAY/...
LOW STRATUS/FOG WILL BE PREVALENT ACROSS EASTERN CT AND LI
FOR THE NEXT FEW HOURS. WHERE FOG DOES OCCUR...PERIODS OF LIFR ARE
POSSIBLE.
WINDS GENERALLY LIGHT THIS MORNING...BECOMING SOUTHERLY FRIDAY.
LOCALLY HEAVY RAIN MAY PRODUCE IFR CAT CIGS AND VIS THIS
AFTERNOON. MOVED UP THE MENTION OF SHRA/TSRA IN TAFS BASED ON
COLLABORATION WITH AWC/ZNY. GIVEN VERY HIGH DEWPOINTS...CONVECTION
SHOULD NOT HAVE A DIFFICULT TIME DEVELOPING.
IFR/LIFR POSSIBLE IN PERIODS OF HEAVY RAIN OVERNIGHT INTO SAT AM.
VLIFR IN FOG POSSIBLE EASTERN LI AND CT AS WELL.
OUTLOOK 12Z SATURDAY THROUGH TUESDAY...
SATURDAY THROUGH SUNDAY EVENING: SUB VFR POSSIBLE IN SHOWERS AND
THUNDERSTORMS.
SUNDAY EVENING THROUGH TUESDAY: VFR.
&&
.MARINE...
/TODAY THROUGH EARLY SUNDAY/
OCEAN SWELLS RUNNING AROUND 3 FT....AT 8 TO 10 SEC. NOTED 15 SEC
PERIOD ON BUOY 44066 FOR AWHILE THIS MORNING...INDICATING THE
APPROACH OF SWELLS FROM HURRICANE BILL. WHILE THE LATEST FORECAST
TAKES BILL WELL EAST OF THE AREA WATERS...LARGE SWELLS WILL CREATE A
NUMBER OF ISSUES FOR THE NEXT FEW DAYS.
FOR TODAY...SEAS GRADUALLY BUILD TO AROUND 5FT. SCA GOES INTO EFFECT
AT 15Z TODAY AND WILL PROBABLY BE UP THROUGH AT LEAST MONDAY FOR ALL
ATLANTIC WATERS. GIVEN THE DIRECTION OF THE SWELL...WOULD EXPECT AT
LEAST 5FT SWELLS TO WORK INTO EASTERN LI SOUND. THIS WILL NOT LIKELY
TAKE PLACE UNTIL SAT...SO WILL WAIT ON ANY SCA THERE.
CURRENT HURRICANE WNA GUIDANCE KEEPS MAX SEAS IN THE 14 TO 17 FT
RANGE ON OPEN OCEAN WATERS BY SUNDAY MORNING. HAVE BEEN HIGHLIGHTING
VERY DANGEROUS CONDITIONS NEAR JETTYS AND INLETS.
/SUNDAY THROUGH WEDNESDAY/
SCA WINDS POSSIBLE SUNDAY AS BILL PULLS AWAY...ESPECIALLY EASTERN LI
SOUND AND AND350. SEAS REMAIN ABOVE 5FT PROBABLY INTO MONDAY.
THEREAFTER...HIGH PRESSURE BUILDS IN AND CONDITIONS IMPROVE THROUGH
THE MIDDLE PART OF NEXT WEEK.
&&
.HYDROLOGY...
URBAN AND SMALL STREAM FLASH FLOODING QUITE POSSIBLE TODAY NORTH AND
WEST OF NYC...CLOSER TO COLD FRONT AND AXIS OF HIGHER MOISTURE. FOR
TONIGHT THROUGH SATURDAY...TRAINING OF THUNDERSTORMS IN THIS MOIST
AND TROPICAL AIRMASS CAN BE EXPECTED WITH HIGHER LIKELIHOOD OF FLASH
FLOODING AND URBAN FLOODING...ESPECIALLY FROM NEW YORK CITY WEST.
&&
.TIDES/COASTAL FLOODING...
IT IS MUCH MORE LIKELY FOR THIS EVENINGS CYCLE...WITH TIDES 2 TO
4 TENTHS OF A FOOT HIGHER ASTRONOMICALLY...AND TIDAL PILING MORE
LIKELY. NEW YORK HARBOR...SOUTH SHORE BAYS OF
QUEENS/NASSAU/SUFFOLK WILL MOSTLY REACH MINOR BENCHMARKS. WITH
WAVE ACTION INCREASING THROUGH SUNDAY MORNING...COASTAL FLOOD
THREAT REMAINS DURING HIGH TIDE CYCLES.
EXPECT SURF HEIGHTS TO BE 2 TO 3 FT TODAY...AND BEGIN BUILDING
TONIGHT. BASED ON SWELL HEIGHT...4 TO 7 FT EXPECTED SATURDAY...AND 7
TO 10 FT WITH HIGHER SETS SATURDAY NIGHT AND SUNDAY. A HIGH SURF
ADVISORY MAY BE NEEDED AS EARLY AS LATE TONIGHT.
THE APPROACH OF LONGER PERIOD SWELLS ALSO EXPECTED TO PRODUCE
DANGEROUS RIP CURRENTS BEGINNING THIS AFTERNOON. A COASTAL FLOOD
STATEMENT HIGHLIGHTING THIS HAS BEEN ISSUED...AND WILL LIKELY
REMAIN IN EFFECT THROUGH THE WEEKEND.
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...HEAT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR NYZ072>076.
COASTAL FLOOD ADVISORY FROM 8 PM THIS EVENING TO MIDNIGHT EDT
SATURDAY NIGHT FOR NYZ072-074>077-080-081.
HIGH SURF ADVISORY FROM 6 AM SATURDAY TO 6 PM EDT SUNDAY FOR
NYZ075>077-080-081.
NJ...COASTAL FLOOD ADVISORY FROM 8 PM THIS EVENING TO MIDNIGHT EDT
SATURDAY NIGHT FOR NJZ006.
MARINE...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 6 AM EDT SUNDAY
FOR ANZ350-353-355.
&&
SYNOPSIS...PW
NEAR TERM...MPS
SHORT TERM...PW
LONG TERM...
AVIATION...BS
MARINE...BS
HYDROLOGY...PW
TIDES/COASTAL FLOODING...Hazardous weather outlook, Aug 21, 12:40 PM EDT, 1 hour 57 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE NEW YORK NY 1240 PM EDT FRI AUG 21 2009 NYZ074-221000- RICHMOND (STATEN ISLAND)- 1240 PM EDT FRI AUG 21 2009 ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HEAT ADVISORY 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...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. 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. COASTAL FLOOD ADVISORY. THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. BASED ON THE LATEST FORECAST FROM TPC...HURRICANE BILL WILL TRACK WELL TO THE EAST OF MONTAUK POINT SUNDAY MORNING. LONG PERIOD SWELLS FROM THE SYSTEM MAY RESULT IN LOCAL IMPACTS AS VERY HIGH SURF...BEACH EROSION...AND STRONG RIP CURRENTS. MINOR COASTAL FLOODING WILL BE LIKELY OVER THE WEEKEND...AS HEAVY SURF WILL COMBINE WITH ASTRONOMICALLY HIGH TIDES. .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. NYZ075-076-221000- KINGS (BROOKLYN)-QUEENS- 1240 PM EDT FRI AUG 21 2009 ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... ...HIGH SURF ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 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. 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. COASTAL FLOOD ADVISORY. HIGH SURF ADVISORY. THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. BASED ON THE LATEST FORECAST FROM TPC...HURRICANE BILL WILL TRACK WELL TO THE EAST OF MONTAUK POINT SUNDAY MORNING. LONG PERIOD SWELLS FROM THE SYSTEM MAY RESULT IN LOCAL IMPACTS AS VERY HIGH SURF...BEACH EROSION...AND STRONG RIP CURRENTS. MINOR COASTAL FLOODING WILL BE LIKELY OVER THE WEEKEND...AS HEAVY SURF WILL COMBINE WITH ASTRONOMICALLY HIGH TIDES. .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. NYZ077-221000- NASSAU- 1240 PM EDT FRI AUG 21 2009 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... ...HIGH SURF ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 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. COASTAL FLOOD ADVISORY. ANY THUNDERSTORMS TODAY WILL PRODUCE HEAVY RAIN AND POSSIBLE STRONG GUSTY WINDS. STRONG RIP CURRENTS ARE EXPECTED. .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. COASTAL FLOOD ADVISORY. HIGH SURF ADVISORY. THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. BASED ON THE LATEST FORECAST FROM TPC...HURRICANE BILL WILL TRACK WELL TO THE EAST OF MONTAUK POINT SUNDAY MORNING. LONG PERIOD SWELLS FROM THE SYSTEM MAY RESULT IN LOCAL IMPACTS AS VERY HIGH SURF...BEACH EROSION...AND STRONG RIP CURRENTS. MINOR COASTAL FLOODING WILL BE LIKELY OVER THE WEEKEND...AS HEAVY SURF WILL COMBINE WITH ASTRONOMICALLY HIGH TIDES. .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. NYZ072-221000- NEW YORK (MANHATTAN)- 1240 PM EDT FRI AUG 21 2009 ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HEAT ADVISORY 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...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. 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. COASTAL FLOOD ADVISORY. THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. BASED ON THE LATEST FORECAST FROM TPC...HURRICANE BILL WILL TRACK WELL TO THE EAST OF MONTAUK POINT SUNDAY MORNING. LONG PERIOD SWELLS FROM THE SYSTEM MAY RESULT IN LOCAL IMPACTS AS VERY HIGH SURF...BEACH EROSION...AND STRONG RIP CURRENTS. MINOR COASTAL FLOODING WILL BE LIKELY OVER THE WEEKEND...AS HEAVY SURF WILL COMBINE WITH ASTRONOMICALLY HIGH TIDES. .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. NYZ073-221000- BRONX- 1240 PM EDT FRI AUG 21 2009 ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HEAT ADVISORY IN EFFECT UNTIL 8 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. SEVERE THUNDERSTORM WATCH. HEAT ADVISORY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. BASED ON THE LATEST FORECAST FROM TPC...HURRICANE BILL WILL TRACK WELL TO THE EAST OF MONTAUK POINT SUNDAY MORNING. LONG PERIOD SWELLS FROM THE SYSTEM MAY RESULT IN LOCAL IMPACTS AS VERY HIGH SURF...BEACH EROSION...AND STRONG RIP CURRENTS. MINOR COASTAL FLOODING WILL BE LIKELY OVER THE WEEKEND...AS HEAVY SURF WILL COMBINE WITH ASTRONOMICALLY HIGH TIDES. .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. NYZ080-081-221000- SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK- 1240 PM EDT FRI AUG 21 2009 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT SATURDAY NIGHT... ...HIGH SURF ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 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. COASTAL FLOOD ADVISORY. ANY THUNDERSTORMS TODAY WILL PRODUCE HEAVY RAIN AND POSSIBLE STRONG GUSTY WINDS. STRONG RIP CURRENTS ARE EXPECTED. .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. COASTAL FLOOD ADVISORY. HIGH SURF ADVISORY. THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. BASED ON THE LATEST FORECAST FROM TPC...HURRICANE BILL WILL TRACK WELL TO THE EAST OF MONTAUK POINT SUNDAY MORNING. LONG PERIOD SWELLS FROM THE SYSTEM MAY RESULT IN LOCAL IMPACTS AS VERY HIGH SURF...BEACH EROSION...AND STRONG RIP CURRENTS. MINOR COASTAL FLOODING WILL BE LIKELY OVER THE WEEKEND...AS HEAVY SURF WILL COMBINE WITH ASTRONOMICALLY HIGH TIDES. .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. NJZ006-221000- HUDSON- 1240 PM EDT FRI AUG 21 2009 ...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...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. 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. COASTAL FLOOD ADVISORY. THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. .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. NYZ078-079-221000- NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK- 1240 PM EDT FRI AUG 21 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK. .DAY ONE...THIS AFTERNOON AND TONIGHT. THUNDERSTORMS TODAY WILL PRODUCE HEAVY RAIN AND POSSIBLE STRONG GUSTY WINDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. .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>005-011-221000- WESTERN PASSAIC-BERGEN-EASTERN PASSAIC-ESSEX-UNION- 1240 PM EDT FRI AUG 21 2009 ...SEVERE THUNDERSTORM WATCH 727 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST NEW JERSEY. .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. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. .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-NYZ067>071-221000- NORTHERN FAIRFIELD-SOUTHERN FAIRFIELD-ORANGE-PUTNAM-ROCKLAND- NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER- 1240 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 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. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. .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>012-221000- NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-NORTHERN NEW LONDON- SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON- 1240 PM EDT FRI AUG 21 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT. .DAY ONE...THIS AFTERNOON AND TONIGHT. THUNDERSTORMS TODAY WILL PRODUCE HEAVY RAIN AND POSSIBLE STRONG GUSTY WINDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THUNDERSTORMS MAY RESULT IN FLASH AND URBAN FLOODING SATURDAY. .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. ANZ338-221000- NEW YORK HARBOR- 1240 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...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. SEVERE THUNDERSTORM WATCH. LARGE SWELLS WILL DEVELOP TODAY. EXTREMELY ROUGH CONDITIONS ARE POSSIBLE AROUND JETTYS AND INLETS FACING THE OCEAN. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY HURRICANE BILL IS EXPECTED TO PASS WELL EAST OF THE AREA WATERS ON SUNDAY. LARGE SWELLS OF 12 TO 17 FT ARE EXPECTED ON OPEN OCEAN WATERS. EXTREMELY ROUGH CONDITIONS ARE POSSIBLE 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. ANZ330-335-340-221000- 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- 1240 PM EDT FRI AUG 21 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY HAZARDOUS WEATHER NOT EXPECTED AT THIS TIME. .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. ANZ345-350-353-355-221000- SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY- 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- 1240 PM EDT FRI AUG 21 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. LARGE SWELLS WILL DEVELOP TODAY. EXTREMELY ROUGH CONDITIONS ARE POSSIBLE AROUND JETTYS AND INLETS FACING THE OCEAN. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY HURRICANE BILL IS EXPECTED TO PASS WELL EAST OF THE AREA WATERS ON SUNDAY. LARGE SWELLS OF 12 TO 17 FT ARE EXPECTED ON OPEN OCEAN WATERS. EXTREMELY ROUGH CONDITIONS ARE POSSIBLE 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 office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 4:38 AM EDT | Coastal Flood Statement | OKX | Kings, Suffolk | 8 hr |
| Aug 21, 12:35 PM EDT | Coastal Flood Advisory | OKX | Kings, New York, Richmond, Suffolk | 48 hr |
| Aug 21, 12:35 PM EDT | High Surf Advisory | OKX | Kings, Suffolk | 58 hr |
| Aug 21, 3:08 PM EDT | Tornado Warning | OKX | Orange | 22 min |
| Aug 21, 3:20 PM EDT | Areal Flood Advisory | OKX | Orange | 115 min |
| Aug 21, 3:36 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 28 min |
| Aug 21, 3:37 PM EDT | Flash Flood Watch | OKX | Bronx, Kings, New York, Orange, Putnam, Richmond and 2 more | 36 hr |
| Aug 21, 3:48 PM EDT | Severe Thunderstorm Warning | OKX | Rockland | 27 min |
| Aug 21, 4:09 PM EDT | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 66 min |
| Aug 21, 4:15 PM EDT | Special Marine Warning | OKX | 90 min | |
| Aug 21, 4:51 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region | 114 min |
| Aug 21, 4:57 PM EDT | Flash Flood Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 90 min |
Nearby
Severe Thunderstorm Warnings in New York, 2009Every severe thunderstorm warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.