Alert archive / New York / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 61, NWS New York, NY

July 23, 2010Orange County, New York; Passaic County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Jul 23, 2010, 6:49 PM EDT for Orange County, New York; Passaic County, New Jersey. It was in force for 56 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
Jul 23, 2010, 6:49 PM EDT (22:49 UTC)
Expired
Jul 23, 2010, 7:45 PM EDT
In force
56 min
Issued by
NWS New York, NY
Area
Storm-based polygon

Counties Passaic County, NJ, Orange County, NY

The radar

The Brookhaven radar (KOKX), 127 km from the middle of the area, began a volume at 22:49 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.

IssuedProductOfficeLasted
Jul 23, 5:55 PM EDTTornado WatchSPC4 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.8 hours before the alert went out and 127 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 2010-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 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 2010-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.19395878Sfc1 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
78 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

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 Jul 23, 4:11 PM EDT, 2 hours 38 minutes earlier.

Area forecast discussion, Jul 23, 4:11 PM EDT, 2 hours 38 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
411 PM EDT FRI JUL 23 2010

.SYNOPSIS...
A WARM FRONT LIFTS THROUGH THE REGION TONIGHT...THEN HAZY...HOT
AND HUMID CONDITIONS ON TAP FOR SATURDAY. A COLD FRONT MOVES ACROSS
THE REGION SATURDAY EVENING...FOLLOWED BY ANOTHER WAVE ON SUNDAY.
HIGH PRESSURE BUILDS EAST FOR THE NEW WEEK.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
A WARM FRONT JUST SOUTH OF NYC TO LONG ISLAND WILL SLOWLY LIFT
NORTH THROUGH THE AREA THIS EVENING. MEANWHILE...A SURFACE TROUGH
JUST WEST OF THE REGION WILL TRACK EAST AS WELL. SINCE THERE IS
WIDESPREAD CLOUD COVER OVER THE TRI-STATE...DO NOT THINK THE
ATMOSPHERE WILL DESTABILIZE AS MUCH AS IT COULD...GIVEN HOW WARM
AND HUMID IT IS. THEREFORE...ALTHOUGH WILL CARRY LIKELY POPS IN
MOST AREAS THIS EVENING...WILL CAP THUNDER POTENTIAL AT CHANCE.

LATEST LAPS DATA HAS MARGINAL INSTABILITY LEVELS...WITH ML MUCAPE
TOPPING OFF AROUND 300 J/KG ACROSS NYC...AND THE LIFTED INDEX IS
CLOSE TO -2C. WITH BREAK IN PRECIP...THERE MAY BE ENOUGH BREAKS IN
THE CLOUDS...ESPECIALLY ACROSS SE PORTIONS OF THE CWA...TO ALLOW
INSTABILITY LEVELS TO RISE. IN ADDITION...AS SFC TROUGH TRACKS
EAST...THAT WILL SERVE AS A FOCUSING MECHANISM FOR FURTHER STORMS.

WITH WARM AND HUMID AIRMASS...WILL EXPECT FOG TO DEVELOP...MAINLY
OUTSIDE OF NYC...LATE TONIGHT. LOWS WILL DROP INTO THE 70S...
EXCEPT IN THE UPPER 70S TO AROUND 80 IN/AROUND NYC.

THERE CONTINUES TO BE A HIGH RISK OF RIP CURRENTS ON ATLANTIC
FACING BEACHES THROUGH THIS EVENING AS SOUTHERLY WINDS INCREASE
AND COMBINE WITH SOUTHEASTERLY SWELL.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/...
WITH WARM FRONT NORTH OF THE AREA ON SAT...AND H8 TEMPS SOARING TO
20-22C...A HAZY...HOT AND HUMID DAY ON TAP FOR SAT. HIGH TEMPS
ACROSS NYC WILL CLIMB TO THE UPPER 90S...AND WITH SFC DEWPOINTS IN
THE UPPER 60S TO AROUND 70...WILL EXPECT A HEAT INDEX OF 100-104.
FOR NE NJ AND THE LOWER HUDSON VALLEY...TEMPS MAY BE A COUPLE OF
DEGREES COOLER...BUT WITH SFC DEWPOINTS IN THE UPPER 60S TO LOWER
70S...THE HEAT INDEX WILL ALSO RANGE FROM 100-104. WILL CONTINUE
THE HEAT ADVISORY FOR THOSE AREAS FROM 1PM TO 9PM SAT.

THE ONLY THING THAT MAY INHIBIT TEMPS FROM WARMING AS MUCH AS
FORECAST WOULD BE THE CLOUD COVER. COLD FRONT TO THE WEST WILL
MOVE INTO THE REGION IN THE AFTERNOON...TOUCHING OFF AFTERNOON AND
EVENING SHOWERS AND THUNDERSTORMS. SPC HAS THE REGION UNDER A
SLIGHT RISK FOR SEVERE THUNDERSTORMS...WITH THE PRIMARY THREAT
BEING DAMAGING WINDS AND HAIL.

TEMPS AND HUMIDITY LEVELS ABATE FOR SUN...AS SFC DEWPOINTS TOP OFF
IN THE MID TO UPPER 60S AND HIGHS WILL BE IN THE LOWER 90S
IN/AROUND NYC AND IN THE UPPER 80S TO AROUND 90 ELSEWHERE. THINK
THE HEAT INDEX WILL FALL SHORT OF 95 ACROSS NYC...SO THE HEAT
ADVISORY WILL LIKELY ONLY STAND FOR SAT.

ANOTHER COLD FRONT SLIDES THROUGH THE REGION SUN AFTERNOON. WILL
CARRY CHANCE POPS IN THE AFTERNOON.

&&

.LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...
COLD FRONT SLIDES THROUGH SUN EVENING...THEN CONTINENTAL HIGH
PRES WILL BUILD INTO THE GREAT LAKES...MOVING EAST THROUGH THE
START OF THE NEW WEEK WITH A WARM AIRMASS WITH LOWER HUMIDITY
LEVELS. THE HIGH MOVES OFFSHORE LATE TUE...AND THE RETURN FLOW
WILL ALLOW MORE HUMID AIR TO RETURN TO THE REGION. LOW PRES
TRACKING ACROSS CANADA WILL DRAG A COLD FRONT THROUGH THE REGION
LATE WED THROUGH THU. WILL CARRY CHANCE POPS FOR THE MIDWEEK
PERIOD AT THIS TIME.

HIGH PRES RETURNS FOR THE END OF THE WEEK.

MAX TEMPS WILL TOP OFF IN THE UPPER 80S TO AROUND 90.

&&

.AVIATION /20Z FRIDAY THROUGH WEDNESDAY/...
A WARM FRONT WILL LIFT NEWD TOWARD THE REGION THIS
AFTERNOON...THEN STALL NEAR THE METRO AS IT INTERACTS WITH A
DEVELOPING SURFACE TROUGH. THE TROUGH AND WARM FRONT WILL LIFT
THROUGH THE ENTIRE REGION TONIGHT.

VARIABLE WINDS AT OR JUST UNDER 10 KTS WILL BECOME SOUTH
TOWARD EVENING ALL TERMINALS. POSSIBLE GUSTS AT KJFK LATE
AFTERNOON INTO THE EVENING. W WINDS ALL TERMINALS AFTER THE
WARM FRONTAL PASSAGE TONIGHT.

LINGERING SHOWERS END FROM WEST TO EAST THIS AFTERNOON WITH BRIEF SUB
VFR. ISOLATED TSRA POSSIBLE LATE AFTERNOON AND EVENING.

MVFR VSBYS POSSIBLE IN FOG OVERNIGHT.

WEST FLOW SATURDAY AND MAINLY VFR.

     ...NY METRO ENHANCED AVIATION WEATHER SUPPORT...

DETAILED INFORMATION...INCLUDING HOURLY TAF WIND COMPONENT FCSTS
CAN BE FOUND AT:  HTTP:/WWW.ERH.NOAA.GOV/ZNY/N90 (LOWER CASE)

KEWR FCSTER COMMENTS: UNSCHEDULED AMENDMENTS POSSIBLE FOR BOTH
TIMING OF WIND SHIFT BEHIND WARM FRONT AND FOR INTENSITY OF
SHOWERS AND TSTMS LATE THIS AFTERNOON/EVENING.

KJFK FCSTER COMMENTS: UNSCHEDULED AMENDMENTS POSSIBLE FOR BOTH
TIMING OF WIND SHIFT BEHIND WARM FRONT AND FOR INTENSITY OF
SHOWERS AND TSTMS LATE THIS AFTERNOON/EVENING.

KLGA FCSTER COMMENTS: UNSCHEDULED AMENDMENTS POSSIBLE FOR BOTH
TIMING OF WIND SHIFT BEHIND WARM FRONT AND FOR INTENSITY OF
SHOWERS AND TSTMS LATE THIS AFTERNOON/EVENING.

KTEB FCSTER COMMENTS: UNSCHEDULED AMENDMENTS POSSIBLE FOR BOTH
TIMING OF WIND SHIFT BEHIND WARM FRONT AND FOR INTENSITY OF
SHOWERS AND TSTMS LATE THIS AFTERNOON/EVENING.

KHPN FCSTER COMMENTS: UNSCHEDULED AMENDMENTS POSSIBLE FOR BOTH
TIMING OF WIND SHIFT BEHIND WARM FRONT AND FOR INTENSITY OF
SHOWERS AND TSTMS LATE THIS AFTERNOON/EVENING.

KISP FCSTER COMMENTS: UNSCHEDULED AMENDMENTS POSSIBLE FOR BOTH
TIMING OF WIND SHIFT BEHIND WARM FRONT AND FOR INTENSITY OF
SHOWERS AND TSTMS LATE THIS AFTERNOON/EVENING.

OUTLOOK FOR 18Z SATURDAY THROUGH WEDNESDAY...
SAT AFTERNOON-NIGHT...SW WINDS 10-20KT. HAZE IN THE METRO. SCT-ISOLD
TSTMS POSSIBLE.
SUN...COLD FRONT. BAND OF TSTMS POSSIBLE. NW WINDS 15-25KT WITH
HIGHER GUSTS POSSIBLE BEHIND THE FRONT.
MON...VFR WITH DIMINISHING WINDS.
TUE...VFR.
WED...SUB VFR POSSIBLE IN SHOWERS/TSTMS.

&&

.MARINE...
A WARM FRONT LIFTS NORTH THROUGH THE REGION TONIGHT...FOLLOWED BY
A COLD FRONT ON SAT...THEN ANOTHER ON ON SUN. SOUTHERLY WINDS AND
SWELLS MAY PUSH SEAS ON THE EASTERN OCEAN WATERS CLOSE TO SCA
CRITERIA LATER TONIGHT...BUT THINK A BETTER CHANCE COMES ON SUN.
WILL HOLD OFF ON SCA FOR HAZ SEAS AT THIS TIME.

WIND GUSTS ON SAT EVENING WILL APPROACH 20 KT BEFORE DIMINISHING
EARLY SUN MORNING. SEAS SUBSIDE BELOW SCA CRITERIA BY MON MORNING.
GENERALLY TRANQUIL CONDITIONS THEN EXPECTED ON THE WATERS THROUGH
THE MIDDLE OF THE NEW WEEK.

&&

.HYDROLOGY...
SCATTERED SHRA/TSRA FROM TONIGHT THROUGH SUNDAY COULD PRODUCE
LOCALLY HEAVY RAINFALL...POSSIBLY CAUSING MINOR FLOODING OF
URBAN/POOR DRAINAGE AREAS. HOWEVER BASIN WIDE...LESS THAN A 1/2 OF
INCH OF RAIN IS EXPECTED ON AVERAGE FROM TONIGHT THROUGH SUNDAY.

&&

.CLIMATE...
HERE ARE THE RECORD HIGH TEMPERATURES ALONG WITH THE FORECAST HIGH
TEMPERATURES FOR THE LOCAL CLIMATE SITES FOR SATURDAY...JULY 24.

STATION.....RECORD HIGH.....FORECAST HIGH
EWR.........97/1999*........99
BDR.........92/1987*........92
NYC.........97/1999.........97
LGA.........98/1999.........99
JFK.........95/1972.........96
ISP.........89/1999.........93

*AND IN PREVIOUS YEARS

&&

.OKX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
NY...HEAT ADVISORY FROM 1 PM TO 9 PM EDT SATURDAY FOR NYZ067>076.
NJ...HEAT ADVISORY FROM 1 PM TO 9 PM EDT SATURDAY FOR NJZ002>006-
     011.
MARINE...NONE.

&&

SYNOPSIS...MPS
NEAR TERM...MPS
SHORT TERM...MPS/KCS
LONG TERM...MPS/MET
AVIATION...PW
MARINE...MPS
HYDROLOGY...MPS
CLIMATE...
Hazardous weather outlook, Jul 23, 6:21 PM EDT, 28 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE NEW YORK NY
621 PM EDT FRI JUL 23 2010

NYZ075-076-242230-
KINGS (BROOKLYN)-QUEENS-
621 PM EDT FRI JUL 23 2010

...TORNADO WATCH 525 IN EFFECT UNTIL 1 AM EDT SATURDAY...
...HEAT ADVISORY IN EFFECT FROM 1 PM TO 9 PM EDT SATURDAY...

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.

   TORNADO 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.

   HEAT ADVISORY.

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS ON 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.

NYZ072>074-242230-
NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
621 PM EDT FRI JUL 23 2010

...TORNADO WATCH 525 IN EFFECT UNTIL 1 AM EDT SATURDAY...
...HEAT ADVISORY IN EFFECT FROM 1 PM TO 9 PM EDT SATURDAY...

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.

   TORNADO 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.

   HEAT ADVISORY.

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS ON 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.

NYZ080-081-242230-
SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-
621 PM EDT FRI JUL 23 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK.

.DAY ONE...TONIGHT.

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS FOR THIS EVENING. THE MAIN THREAT
WILL BE DAMAGING WINDS.

THERE IS A HIGH RISK OF RIP CURRENTS FOR ATLANTIC FACING BEACHES
THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS ON 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.

NYZ077-242230-
NASSAU-
621 PM EDT FRI JUL 23 2010

...TORNADO WATCH 525 IN EFFECT UNTIL 1 AM EDT SATURDAY...

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.

   TORNADO WATCH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS ON 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.

NYZ078-079-242230-
NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-
621 PM EDT FRI JUL 23 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK.

.DAY ONE...TONIGHT.

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS FOR THIS EVENING. THE MAIN THREAT
WILL BE FROM DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS ON 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>006-011-NYZ067>071-242230-
WESTERN PASSAIC-BERGEN-EASTERN PASSAIC-ESSEX-HUDSON-UNION-ORANGE-
PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-
621 PM EDT FRI JUL 23 2010

...TORNADO WATCH 525 IN EFFECT UNTIL 1 AM EDT SATURDAY...
...HEAT ADVISORY IN EFFECT FROM 1 PM TO 9 PM EDT SATURDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   TORNADO 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.

   HEAT ADVISORY.

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS ON 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.

CTZ005-009-242230-
NORTHERN FAIRFIELD-SOUTHERN FAIRFIELD-
621 PM EDT FRI JUL 23 2010

...TORNADO WATCH 525 IN EFFECT UNTIL 1 AM EDT SATURDAY...

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.

   TORNADO WATCH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS ON 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>012-242230-
NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-NORTHERN NEW LONDON-
SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-
621 PM EDT FRI JUL 23 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN CONNECTICUT.

.DAY ONE...TONIGHT.

HAZARDOUS WEATHER NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS ON SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

&&

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.

ANZ330-340-345-350-353-242230-
LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY-
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-
621 PM EDT FRI JUL 23 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TONIGHT.

HAZARDOUS WEATHER NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

&&

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.

ANZ335-338-355-242230-
LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY-
NEW YORK HARBOR-SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM-
621 PM EDT FRI JUL 23 2010

...TORNADO WATCH 525 IN EFFECT UNTIL 1 AM EDT SATURDAY...

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.

   TORNADO WATCH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A SLIGHT
RISK FOR SEVERE THUNDERSTORMS.

.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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 1:02 PM EDTHeat AdvisoryOKXBronx, Kings, New York, Orange, Putnam, Richmond and 3 more50 hr
Jul 23, 7:24 PM EDTSevere Thunderstorm WarningOKXOrange, Rockland, Westchester51 min
Jul 23, 7:40 PM EDTTornado WarningOKXBergen, Essex, Passaic35 min

Nearby

Severe Thunderstorm Warnings in New York, 2010Severe Thunderstorm Warnings in New Jersey, 2010Every severe thunderstorm warning in 2010

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.