Alert archive / New York / Special Weather Statements in 2011

Special Weather Statement, NWS New York, NY

August 21, 2011Rockland County, Westchester County, New York; Bergen County, Passaic County, New Jersey

NWS New York, NY issued this special weather statement at Aug 21, 2011, 5:51 PM EDT for Rockland County, Westchester County, New York; Bergen County, Passaic County, New Jersey. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 21, 2011, 5:51 PM EDT (21:51 UTC)
Expired
Aug 21, 2011, 6:30 PM EDT
In force
39 min
Issued by
NWS New York, NY

Counties Bergen County, NJ, Passaic County, NJ, Rockland County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 109 km from the middle of the area, began a volume at 21:51 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 nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 109 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2011-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 874 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2011-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
874 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 21, 4:41 PM EDT, 1 hour 10 minutes earlier.

Area forecast discussion, Aug 21, 4:41 PM EDT, 1 hour 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
441 PM EDT SUN AUG 21 2011

.SYNOPSIS...
A COLD FRONT PASSES THROUGH TONIGHT. HIGH PRESSURE THEN BUILDS INTO
THE REGION MONDAY AND TUESDAY BEFORE MOVING OFFSHORE FOR WEDNESDAY.
A COLD FRONT THEN APPROACHES ON THURSDAY AND PASSES THROUGH THURSDAY
NIGHT WITH HIGH PRESSURE BUILDING BACK ON FRIDAY.

&&

.NEAR TERM /UNTIL 6 AM MONDAY MORNING/...
SEVERE THUNDERSTORM WATCH NUMBER 794 IS IN EFFECT THROUGH 9PM THIS
EVENING FOR THE ENTIRE COUNTY WARNING AREA.

COLD FRONT EXPECTED TO PASS THROUGH AROUND 06-08Z TONIGHT WITH
SHOWERS AND THUNDERSTORMS AHEAD OF IT. THE POSSIBILITY OF STRONG OR
SEVERE STORMS REMAIN UNTIL THEN. ALTHOUGH WE LOSE DAYTIME HEATING TO
SUPPORT CAPE VALUES THROUGH THE NIGHT...WIND SHEAR (SPEED AND
POSSIBLY DIRECTIONAL) INCREASES AND COULD SERVE TO COMPENSATE FOR A
STABILIZING ENVIRONMENT. ESPECIALLY IF A WEAK LOW CENTER FORMS TO
OUR SW ALONG THE FRONT AND PASSES THROUGH...AS SUGGESTED BY SOME
MODEL GUIDANCE...STORM RELATIVE HELICITY VALUES MAY INCREASE OVER
US...PROMOTING SUPERCELL ROTATION. 0-1KM SHEAR ALSO EXPECTED TO
INCREASE THIS EVENING AS A LOW LEVEL JET ENTERS THE REGION. AND
ALTHOUGH THE RIGHT FRONT REGION OF AN UPPER JET STREAK APPROACHES
US...UPPER DIVERGENCE MAY STILL BE PROMOTED OVER US WITH A WEAK
STREAK TO OUR SOUTH/SOUTHEAST.

SHOWERS AND STORMS COME TO AN END OVERNIGHT BEHIND THE COLD FRONT.
AS FOR FLASH FLOODING CONCERNS...HAVE ADDED THE LOWER HUDSON VALLEY
AND NASSAU COUNTY TO THE FLASH FLOOD WATCH BASED ON OBSERVED
RAINFALL RATES FROM EARLIER STORMS NEARBY...THETA-E RIDGE AT 850MB
PASSING THROUGH...AND PWATS CONTINUING TO INCREASE TOWARDS 1.75
INCHES.

THERE IS A MODERATE RISK FOR RIP CURRENT DEVELOPMENT INTO THIS
EVENING.

&&

.SHORT TERM /6 AM MONDAY MORNING THROUGH MONDAY NIGHT/...
HIGH PRESSURE BUILDS IN AT THE SURFACE. AT THE SAME TIME...UPPER
TROUGH MOVES IN FROM THE WEST. EXPECTING CU BUILDUP IN THE AFTERNOON
AND AN ISOLATED SHOWER ACROSS THE NORTHERN ZONES WITH THE CYCLONIC
FLOW ALOFT INCREASING. CU THEN DISSIPATES AT NIGHT WITH DRY
CONDITIONS DURING THE NIGHT. A MAV/NAM MOS BLEND WAS USED FOR
TEMPERATURES.

&&

.LONG TERM /TUESDAY THROUGH SUNDAY/...
HIGH PRESSURE WILL BUILD OVER THE AREA ON TUE AND MOVE OFFSHORE TUE
NIGHT AND WED WITH DRY WEATHER AND LOW HUMIDITY LEVELS.
RADIATIONAL COOLING CONDITIONS TUE NIGHT IS EXPECTED TO CAUSE
OVERNIGHT LOWS TO DROP INTO THE LOWER 50S (POSSIBLY EVEN SOME UPPER
40S) IN LOCATIONS WELL NORTH AND WEST OF NYC AS WELL AS THE PINE
BARRENS ON LONG ISLAND. A RETURN FLOW BECOMES ESTABLISHED ON
WEDNESDAY AS THE HIGH RETREATS TO THE EAST WITH DEWPOINTS INCREASING
BACK INTO THE 60S FOR THE REMAINDER OF THE WEEK.

SHOWERS AND THUNDERSTORMS ON THU AFTN/NIGHT WITH PASSAGE OF COLD
FRONT. MODELS IN GOOD AGREEMENT WITH FRONT SOUTH OF LI BY 12Z FRI
WITH DRY WEATHER RETURNING AS HIGH PRES PASSES TO THE NORTH. THIS
FRONTAL BOUNDARY IS FORECAST TO STALL THROUGH THE MID ATLANTIC
REGION AND COULD BECOME THE FOCUS FOR HEAVY RAIN NEXT WEEKEND AS
THERE IS THE POTENTIAL FOR TROPICAL MOISTURE FROM THE REMNANTS OF
IRENE TO AFFECT THE LOCAL AREA. NOT QUITE CONFIDENT ENOUGH TO
INCLUDE THIS POTENTIAL IN THE HWO YET...BUT THIS WILL NEED TO BE
CLOSELY MONITORED OVER THE NEXT FEW DAYS.

TEMPERATURES WILL START OFF SLIGHTLY BELOW NORMAL LEVELS ON
TUE...BUT SOUTHERLY FLOW WILL MODERATE THEM TO SLIGHTLY ABOVE NORMAL
LEVELS INTO THE WEEKEND.

&&

.AVIATION /21Z SUNDAY THROUGH FRIDAY/...
A COLD FRONT APPROACHES FROM THE WEST THIS AFTERNOON...THEN CROSSES
THE TRI-STATE TONIGHT. HIGH PRESSURE BUILDS IN MONDAY.

MAIN STORY FOR TODAY IS CONVECTIVE THREAT. APPEARS THAT TWO
ROUNDS OF CONVECTION WILL IMPACT CITY/WESTERN TERMINALS. THE
FIRST LATE THIS AFTERNOON/EARLY THIS EVENING...AND THE SECOND
LATE THIS EVENING. THERE IS SOME QUESTION OF HOW WELL THE FIRST
ROUND WILL STAY TOGETHER HEADING EAST. SECOND ROUND IMPACTS
EASTERN TERMINALS LATE THIS EVENING/EARLY OVERNIGHT. HAVE VRB20G40KT
TO TEMPO GROUPS W SHRA/CB FOR NOW...TO HIGHLIGHT POTENTIAL FOR
STRONG GUSTY WINDS WITH ANY STORM. THE 40KT IS NOT A CAP ON
FORECAST WIND GUSTS...ANY STRONGER STORM COULD END UP BEING SEVERE
WITH GUSTS OF AT LEAST 50KT...TO HARD TO PINPOINT WHERE THIS WILL
OCCUR TO A POINT...SO DO NOT REFLECT THIS IN THE TAFS.

CONFIDENCE HIGH ENOUGH IN FIRST ROUND FROM BDR/ISP ON W THAT HAVE
GONE W/ TSRA IN TEMPO GROUP. ALSO W/ISOLD STORMS AHEAD OF MAIN
LINE HAVE GONE VCTS TO START AT THOSE TERMINALS AS WELL.

LOCALLY HEAVY RAINFALL IS VERY LIKELY DURING THE SECOND ROUND.

PRIMARILY VFR THROUGH THE TAF PERIOD OUTSIDE OF
CONVECTION...WHICH SHOULD MAINLY BE MVFR FOR THE FIRST
BATCH...AND IFR...WITH HEAVY RAINFALL FOR THE SECOND ROUND. MVFR
FOG POSSIBLE BEHIND THE FRONT KSWF/KHPN EARLY MONDAY MORNING.

S-SW FLOW 10-15 KT WITH NYC METRO TERMINALS AND THOSE NORTH/WEST
WILL SEE WIND GUSTS UP TO 20 KT INTO EARLY EVENING. WINDS DIMINISH TO
AROUND 10 KT EARLY EVENING...THEN SWITCH TO THE SW RIGHT AHEAD OF
THE FRONT...THEN TO WNW-NW WITH ITS PASSAGE LATE TONIGHT.

APPEARS WINDS SHOULD BE 10-15KT W/GUSTS TO AROUND 20 KT MONDAY OUT
OF THE WNW-NW.

COLD FRONTAL PASSAGE SLATED FOR AROUND 04Z AT KSWF...06-07Z NYC
METRO TERMINALS...08Z KISP/KBDR...AND 10Z KGON.

OUTLOOK FOR 18Z MON THROUGH THURSDAY...

MON AFTERNOON-WEDNESDAY NIGHT...VFR.

THURSDAY-THURSDAY NIGHT...SUB-VFR POSSIBLE IN MAINLY
AFTERNOON/EVENING SHRA/TSRA.

FRIDAY...VFR.

&&

.MARINE...
SCA HAS BEEN MAINTAINED AS IS FOR S SHORE BAYS WITH GUSTS UP TO 25
KT TONIGHT. FOR THE OCEAN ZONES...SEAS BUILDING UP TO 5 FT TONIGHT
SHOULD LAST PARTIALLY INTO THE MORNING HOURS BEFORE SUBSIDING BACK
DOWN BELOW 5 FT. HAVE THEREFORE EXTENDED SCA ON THE OCEAN WATERS
INTO PART OF MONDAY MORNING.

SUB-ADVISORY CONDITIONS ARE THEN EXPECTED INTO THU. A SCA IS
POSSIBLE...MAINLY ON THE OCEAN WATERS...THU AFTN/NIGHT AS THE PRES
GRADIENT TIGHTENS AHEAD OF A COLD FRONT.

&&

.HYDROLOGY...
BASIN AVERAGE RAINFALL THROUGH TONIGHT IS EXPECTED TO RANGE FROM A
HALF INCH TO AN INCH AND A HALF. LOCALLY HIGHER AMOUNTS...POSSIBLY
UPWARDS OF 3 INCHES WILL BE POSSIBLE WHERE THUNDERSTORMS ARE MOST
NUMEROUS.

&&

.OKX WATCHES/WARNINGS/ADVISORIES...
CT...FLASH FLOOD WATCH UNTIL 4 AM EDT MONDAY FOR CTZ005-009.
NY...FLASH FLOOD WATCH UNTIL 4 AM EDT MONDAY FOR NYZ067>075-176>179.
NJ...FLASH FLOOD WATCH UNTIL 4 AM EDT MONDAY FOR NJZ002-004-006-
     103>108.
MARINE...SMALL CRAFT ADVISORY UNTIL 6 AM EDT MONDAY FOR ANZ345.
     SMALL CRAFT ADVISORY UNTIL 11 AM EDT MONDAY FOR ANZ350-353-355.

&&

SYNOPSIS...JC
NEAR TERM...JC
SHORT TERM...JC
LONG TERM...24
AVIATION...MALOIT
MARINE...JC/24
HYDROLOGY...JC
Hazardous weather outlook, Aug 21, 4:57 PM EDT, 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW YORK NY
457 PM EDT SUN AUG 21 2011

CTZ006>008-010>012-NYZ078>081-221000-
NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-NORTHERN NEW LONDON-
SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-
NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-SOUTHWESTERN SUFFOLK-
SOUTHEASTERN SUFFOLK-
457 PM EDT SUN AUG 21 2011

...SEVERE THUNDERSTORM WATCH 794 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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.

   SEVERE THUNDERSTORM WATCH.

.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...

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-NJZ002-004-006-103>108-NYZ067>075-176>179-221000-
NORTHERN FAIRFIELD-SOUTHERN FAIRFIELD-WESTERN PASSAIC-
EASTERN PASSAIC-HUDSON-WESTERN BERGEN-EASTERN BERGEN-WESTERN ESSEX-
EASTERN ESSEX-WESTERN UNION-EASTERN UNION-ORANGE-PUTNAM-ROCKLAND-
NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-NEW YORK (MANHATTAN)-BRONX-
RICHMOND (STATEN ISLAND)-KINGS (BROOKLYN)-NORTHERN QUEENS-
NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
457 PM EDT SUN AUG 21 2011

...FLASH FLOOD WATCH IN EFFECT UNTIL 4 AM EDT MONDAY...
...SEVERE THUNDERSTORM WATCH 794 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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.

   FLASH FLOOD WATCH.
   SEVERE THUNDERSTORM WATCH.

.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...

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.

ANZ330-335-338-340-345-350-353-355-221000-
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-
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-
457 PM EDT SUN AUG 21 2011

...SEVERE THUNDERSTORM WATCH 794 IN EFFECT UNTIL 9 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...MONDAY THROUGH SATURDAY.

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.

In the hours before

Local storm report, Aug 21, 2:41 PM EDT, 3 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE NEW YORK NY
241 PM EDT SUN AUG 21 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0148 PM     TSTM WND DMG     PLEASANTVILLE           41.14N  73.78W
08/21/2011                   WESTCHESTER        NY   TRAINED SPOTTER

            MULTIPLE TREES DOWN ON METRO NORTH TRACKS IN THE
            VICINITY OF PLEASANTVILLE. TRAIN SERVICE IS SUSPENDED.
            TIME ESTIMATED BY RADAR.

&&

CORRECTED EVENT TIME...REMARKS

DS
Special weather statement, Aug 21, 3:23 PM EDT, 2 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
323 PM EDT SUN AUG 21 2011

CTZ005-009-NYZ068-070-212030-
NORTHERN FAIRFIELD-NORTHERN WESTCHESTER-PUTNAM-SOUTHERN FAIRFIELD-
323 PM EDT SUN AUG 21 2011

...STRONG THUNDERSTORM WILL IMPACT FAIRFIELD...PUTNAM AND WESTCHESTER
COUNTIES...

AT 318 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR BEDFORD...OR 7 MILES NORTHEAST OF MOUNT
KISCO...AND MOVING NORTHEAST AT 15 MPH.

SMALL HAIL...AND WINDS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE
TO SAFE SHELTER IMMEDIATELY.

LAT...LON 4153 7349 4139 7324 4110 7355 4127 7378

BC
Local storm report, Aug 21, 4:02 PM EDT, 1 hour 49 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NEW YORK NY
402 PM EDT SUN AUG 21 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1230 PM     TSTM WND DMG     CHAPPAQUA               41.16N  73.76W
08/21/2011                   WESTCHESTER        NY   BROADCAST MEDIA

            SOUTHBOUND LANES OF THE SAW MILL RIVER PARKWAY BLOCKED
            DUE TO FALLEN TREES. TIME ESTIMATED BY RADAR.

0118 PM     TSTM WND DMG     WYCKOFF                 41.00N  74.17W
08/21/2011                   BERGEN             NJ   AMATEUR RADIO

            LARGE 5-6 INCH DIAMETER TREE LIMB DOWN AT GODWIN AVENUE
            AND JOSHUA LANE.

0119 PM     TSTM WND DMG     MIDLAND PARK            40.99N  74.14W
08/21/2011                   BERGEN             NJ   AMATEUR RADIO

            LARGE 4-5 INCH DIAMETER TREE LIMB DOWN BLOCKING BELL
            AND BURKE STREETS.

0148 PM     TSTM WND DMG     PLEASANTVILLE           41.14N  73.78W
08/21/2011                   WESTCHESTER        NY   TRAINED SPOTTER

            MULTIPLE TREES DOWN ON METRO NORTH TRACKS IN THE
            VICINITY OF PLEASANTVILLE. TRAIN SERVICE IS SUSPENDED.
            TIME ESTIMATED BY RADAR.

0200 PM     TSTM WND DMG     MAHOPAC                 41.37N  73.74W
08/21/2011                   PUTNAM             NY   TRAINED SPOTTER

            ONE TREE DOWN IN MAHOPAC. LARGE BRANCHES AND LIMBS DOWN
            AND SHERYL LANE AND RUSS ROAD.

0226 PM     TSTM WND DMG     SHERMAN                 41.58N  73.50W
08/21/2011                   FAIRFIELD          CT   LAW ENFORCEMENT

            ONE TREE DOWN ON SIDE OF ROAD ON ROUTE 39. TIME
            ESTIMATED BY RADAR.

&&

DS
Local storm report, Aug 21, 5:27 PM EDT, 24 minutes before
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Local storm report, Aug 21, 5:42 PM EDT, 9 minutes before
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Special weather statement, Aug 21, 5:51 PM EDT, 0 minutes before
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The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 21, 3:49 AM EDTSmall Craft AdvisoryOKX30 hr
Aug 21, 6:00 AM EDTFlash Flood WatchOKXBronx, Kings, Nassau, New York, Orange, Putnam and 4 more15 hr
Aug 21, 11:32 AM EDTSpecial Weather StatementOKXBronx, New York43 min
Aug 21, 12:13 PM EDTSpecial Weather StatementOKXBronx47 min
Aug 21, 12:26 PM EDTSevere Thunderstorm WarningOKXWestchester49 min
Aug 21, 12:51 PM EDTSpecial Weather StatementOKXOrange54 min
Aug 21, 12:59 PM EDTSevere Thunderstorm WarningOKXPutnam23 min
Aug 21, 1:09 PM EDTSevere Thunderstorm WarningOKXWestchester21 min
Aug 21, 1:17 PM EDTSpecial Weather StatementOKXRockland58 min
Aug 21, 1:23 PM EDTSpecial Weather StatementOKXPutnam67 min
Aug 21, 1:28 PM EDTSpecial Weather StatementOKXOrange62 min
Aug 21, 1:43 PM EDTSevere Thunderstorm WarningOKXPutnam, Rockland, Westchester47 min
Aug 21, 2:15 PM EDTSevere Thunderstorm WarningOKXPutnam21 min
Aug 21, 3:43 PM EDTSpecial Marine WarningOKX32 min
Aug 21, 4:00 PM EDTSevere Thunderstorm WarningOKXPutnam, Westchester45 min
Aug 21, 4:07 PM EDTSevere Thunderstorm WarningOKXKings, Nassau, Queens38 min
Aug 21, 4:20 PM EDTSpecial Marine WarningOKX40 min
Aug 21, 4:37 PM EDTTornado WarningOKXPutnam, Westchester38 min
Aug 21, 4:47 PM EDTSevere Thunderstorm WarningOKXNassau, Queens, Suffolk17 min
Aug 21, 4:58 PM EDTTornado WarningOKXPutnam30 min
Aug 21, 6:33 PM EDTAreal Flood AdvisoryOKXOrange, Rockland117 min
Aug 21, 6:38 PM EDTSpecial Weather StatementOKXRockland52 min
Aug 21, 6:46 PM EDTFlash Flood WarningOKXOrange, Rockland56 min
Aug 21, 7:19 PM EDTSpecial Weather StatementOKXPutnam41 min
Aug 21, 7:25 PM EDTAreal Flood AdvisoryOKXPutnam, Westchester2 hr
Aug 21, 12:38 PM EDTSevere Thunderstorm WarningOKXBergen, Essex, Passaic50 min
Aug 21, 3:23 PM EDTSpecial Weather StatementOKX67 min
Aug 21, 4:03 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region42 min
Aug 21, 4:41 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region49 min
Aug 21, 5:08 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region52 min
Aug 21, 5:18 PM EDTSevere Thunderstorm WarningOKXNaugatuck Valley Planning Region27 min
Aug 21, 5:25 PM EDTAreal Flood AdvisoryOKXGreater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region80 min
Aug 21, 5:58 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region32 min
Aug 21, 6:27 PM EDTSevere Thunderstorm WarningOKXNaugatuck Valley Planning Region48 min

Nearby

Special Weather Statements in New York, 2011Special Weather Statements in New Jersey, 2011Every special weather statement in 2011

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.