The leading edge of tropical moisture ahead of Tropical Storm Isaias interacted with a cold front triggering severe thunderstorms across Southern 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.
The leading edge of tropical moisture ahead of Tropical Storm Isaias interacted with a cold front triggering severe thunderstorms across Southern 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 3, 7:40 PM EST, 1 hour 3 minutes earlier.
Area Forecast Discussion
National Weather Service New York NY
840 PM EDT Mon Aug 3 2020
.SYNOPSIS...
A surface front will stall near the forecast area tonight.
Tropical Storm Isaias will track along this boundary, directly
impacting the area Tuesday afternoon and evening. A weak low
pressure trough will linger in the wake of Isaias on Wednesday,
then stall to the south from Thursday into Saturday as weak
waves of low pressure move along it. Weak high pressure should
return on Sunday and may last into Monday.
&&
.NEAR TERM /UNTIL 6 AM TUESDAY MORNING/...
A frontal boundary will stall near the area overnight as Isaias
makes its way toward the area. Most models bring in a plume of
moisture well ahead of the system suggesting some sort of
predecessor rain event. Per current radar trend, this precip
should hold off til late evening and the overnight, with best
chances across northeast New Jersey and the Lower Hudson
Valley.
Otherwise, warm and humid conditions expected overnight, with
lows in the upper 60s to mid 70s.
&&
.SHORT TERM /6 AM TUESDAY MORNING THROUGH TUESDAY NIGHT/...
**TROPICAL STORM WARNINGS IN EFFECT FOR THE ENTIRE FORECAST
AREA**
The frontal boundary will remain stalled near the area.
Meanwhile, an upper level low north of the Great Lakes region
will pivot a trough through New England. This will steer Isaias
over the area Tuesday afternoon.
A Flash Flood Watch continues for much of the forecast area.
Please see the Hydrology section for more information regarding
rainfall.
The highest wind threat with regard to Isaias should correspond to
the eastern semicircle of the storm which places central and western
Long Island, New York City, portions of northeast New Jersey,
and portions of southern Westchester and southwest Connecticut
along the axis of strongest winds. The timing for this looks to
be from late in the day Tuesday into Tuesday evening. Two
positive notes are that the storm is expected to accelerate to
the north and northeast and it is expected to weaken as it does
so. This may limit the duration of impactful winds to some
extent for coastal sections. Sustained winds of around 50 mph
are possible along coastal areas with gusts up to 70 mph.
Generally speaking however, sustained winds of 40 to 50 are
more likely across the forecast area, with gusts 55 to 70 mph.
Additionally, a strengthening low level jet will increase shear
across the area. This may lead to the development of some
tornadoes as Isaias moves approaches and moves through. The
Storm Prediction Center has placed nearly the entire area in a
slight risk for severe storms, with the primary threats being
tornadoes and damaging winds (locally higher wind gusts outside
of the tropical storm force winds expected to occur).
A high rip current risk remains for the ocean beaches Tuesday
through Tuesday night.
&&
.LONG TERM /WEDNESDAY THROUGH MONDAY/...
After Isaias passes, will still have to contend with an
anomalously deep closed over southern Canada, maintaining deep layer
SW flow and associated moisture/energy transfer aloft, as well as a
shortwave trough diving in from the Pac NW on the back side of this
low, which does not look to pass east of the area til Sunday
morning. Showers/tstms may fire on Wed invof a lingering sfc trough,
which then sinks to the south Wed night and stalls as weak
disturbances ripple along it. Timing and placement of best rain
chances appears to be Thu night and Fri night, and more so for Long
Island and the NYC metro area and as compared to S CT.
Shortwave ridging aloft should finally move in for Sunday. Uncertain
how long it will persist as model guidance shows the ridge passing
east by Monday, followed by NW flow aloft and passing shortwave
disturbances, a progression which may be a little too quick.
Temps during the period should be just a little above average,
mostly in the 80s, with lower 90s possible in urban NE NJ on Wed and
perhaps again by next Monday. Heat index values High temps combined
with dewpoints in the 60s thru the period should yield heat index
values close to actual temps.
A high rip current risk remains for the ocean beaches Tuesday
through Tuesday night.
&&
.AVIATION /01Z TUESDAY THROUGH SATURDAY/...
Tropical Storm Isaias will approach from the southeast coast
tonight, and will move over the Mid Atlantic and Northeast on
Tuesday.
Mainly VFR through this evening outside of any showers and
thunderstorms especially from NYC terminals and west. Any
storms will be capable of producing strong wind gusts and heavy
downpours which could result in lower visibility. Showers become
more likely late tonight into early Tuesday morning with MVFR
to IFR conditions developing.
Winds will gradually turn SE/E overnight into tomorrow morning.
SE winds increase in speed after 12z tomorrow morning, with
gusts in the afternoon 40-60 kt. The strongest winds will across
the coastal terminals. As Isaias moves away to the northeast in
the late afternoon, a quick shift to SW winds is likely.
.OUTLOOK FOR 18Z TUESDAY THROUGH SATURDAY...
.Tuesday afternoon-Tuesday night...Showers and a chance of
thunderstorms with MVFR to IFR conditions. Impacts from Tropical
Storm Isaias likely into the evening. Conditions improving late
Tuesday night.
.Wednesday...VFR with any lingering showers ending.
.Thursday and Friday...VFR.
.Saturday...MVFR possible in SHRA.
&&
.MARINE...
Conditions remain below SCA criteria through tonight.
Conditions deteriorate Tuesday morning, with increasing
tropical storm conditions from late Tuesday afternoon into
Tuesday evening across all of the coastal waters based on the
latest forecast track of Isaias. A Tropical Storm Warning is in
effect for all forecast waters. Winds of 45-50 kt will be
possible with gusts up to 60 kt. Isolated gusts of just over 60
kts are possible. Conditions will then improve quickly Tuesday
night from west to east. Wave heights will briefly build to
around or just over 15 ft out on the ocean waters late Tuesday
afternoon into the early evening, then subside fairly quickly
into Tuesday night. Waves of 6 to 10 ft are possible on the
sound waters and 3 to 5 ft across the back bays and Peconic and
Gardiner's Bays.
Small craft conditions will then ensue on the ocean during the
day on Wednesday due to elevated seas. As early as Wednesday
night even the ocean waters should settle down to below SCA
conditions for Wednesday night into Thursday with some 3-4 ft
seas lingering out on the ocean.
&&
.HYDROLOGY...
There is the potential for more widespread heavy rainfall,
especially Tuesday into at least into the first half of Tuesday
night as Isaias approaches the region. Additionally, the track
of Isaias will need to be monitored to narrow down potential
impacts for minor to moderate river flooding. Confidence in any
moderate river flooding remains low due to rainfall forecast
uncertainty.
A flash flood watch remains for Tuesday through Tuesday night
for NYC, Northeast NJ, and the Lower Hudson Valley where
guidance is lower with rain amounts for flash flood criteria.
This is also closer to the heavier rain axis forecast.
&&
.TIDES/COASTAL FLOODING...
Coastal flood warnings are now in effect for south facing
shorelines of Long Island Sound, and western Long Island, and
in/around NY Harbor, with advisories for the remaining waters.
A strong SE flow ahead of Tropical Storm Isaias could produce
surge of 2 1/2 to 3 1/2 ft across the watch area and 1 to 2 ft
elsewhere. This would result in widespread inundation of 1 to 2
ft with localized values up to 3 ft in the watch area. There is
still uncertainty in the guidance at this time with preference
toward the higher end of the PETSS and NYHOPS guidance.
This is appears to be a one-cycle event, as winds shift W on
the back side of the storm late Tuesday evening.
&&
.EQUIPMENT...
NYC NOAA Weather Radio Station KWO-35 (162.55 MHz) is
undergoing its final stages of testing, and is operating at full
power.
&&
.OKX WATCHES/WARNINGS/ADVISORIES...
CT...Tropical Storm Warning for CTZ005>012.
Flash Flood Watch from 6 AM EDT Tuesday through late Tuesday
night for CTZ005-006.
Coastal Flood Warning from 10 PM Tuesday to 2 AM EDT Wednesday
for CTZ009>012.
NY...Tropical Storm Warning for NYZ067>075-078>081-176>179.
Coastal Flood Advisory from 9 PM Tuesday to 2 AM EDT Wednesday
for NYZ072-073-078-079-081-176-177.
Flash Flood Watch from 6 AM EDT Tuesday through late Tuesday
night for NYZ067>075-176-178.
Coastal Flood Warning from 8 PM Tuesday to 1 AM EDT Wednesday
for NYZ074-075-080-178-179.
Coastal Flood Warning from 10 PM Tuesday to 2 AM EDT Wednesday
for NYZ071.
High Rip Current Risk through Wednesday evening for NYZ075-080-
081-178-179.
High Surf Advisory from 8 AM Tuesday to 8 AM EDT Wednesday for
NYZ080-081-178-179.
NJ...Tropical Storm Warning for NJZ002-004-006-103>108.
Flash Flood Watch from 6 AM EDT Tuesday through late Tuesday
night for NJZ002-004-006-103>108.
Coastal Flood Warning from 8 PM Tuesday to 1 AM EDT Wednesday
for NJZ006-106-108.
MARINE...Tropical Storm Warning for ANZ330-335-338-340-345-350-353-355.
&&
SYNOPSIS...Goodman/JP
NEAR TERM...Goodman/JP
SHORT TERM...JP
LONG TERM...Goodman
AVIATION...DBR
MARINE...Goodman/JP
HYDROLOGY...Fig/Goodman
TIDES/COASTAL FLOODING...
EQUIPMENT...Hazardous Weather Outlook National Weather Service New York NY 400 PM EDT Mon Aug 3 2020 CTZ005-006-NJZ002-004-103>105-107-NYZ067>070-042000- Northern Fairfield-Northern New Haven-Western Passaic- Eastern Passaic-Western Bergen-Eastern Bergen-Western Essex- Western Union-Orange-Putnam-Rockland-Northern Westchester- 400 PM EDT Mon Aug 3 2020 ...TROPICAL STORM WARNING IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY NIGHT... This Hazardous Weather Outlook is for southern Connecticut, northeast New Jersey and southeast New York. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. Flash Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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. NJZ006-106-108-NYZ074-042000- Hudson-Eastern Essex-Eastern Union-Richmond (Staten Island)- 400 PM EDT Mon Aug 3 2020 ...TROPICAL STORM WARNING IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY NIGHT... ...COASTAL FLOOD WARNING IN EFFECT FROM 8 PM TUESDAY TO 1 AM EDT WEDNESDAY... This Hazardous Weather Outlook is for northeast New Jersey and southeast New York. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. Flash Flood Watch. Coastal Flood Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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. CTZ009>012-042000- Southern Fairfield-Southern New Haven-Southern Middlesex- Southern New London- 400 PM EDT Mon Aug 3 2020 ...TROPICAL STORM WARNING IN EFFECT... ...COASTAL FLOOD WARNING IN EFFECT FROM 10 PM TUESDAY TO 2 AM EDT WEDNESDAY... This Hazardous Weather Outlook is for southern Connecticut. .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. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. Coastal Flood Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && This Hazardous Weather Outlook provides a summary of potential widespread hazardous weather events that may reach NWS warning criteria. Most long fused NWS watches, warnings, and advisories in effect are highlighted. Please refer to the latest NWS forecasts for weather not meeting NWS warning criteria. CTZ007-008-042000- Northern Middlesex-Northern New London- 400 PM EDT Mon Aug 3 2020 ...TROPICAL STORM WARNING IN EFFECT... This Hazardous Weather Outlook is for southern Connecticut. .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. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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. NYZ071-042000- Southern Westchester- 400 PM EDT Mon Aug 3 2020 ...TROPICAL STORM WARNING IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY NIGHT... ...COASTAL FLOOD WARNING IN EFFECT FROM 10 PM TUESDAY TO 2 AM EDT WEDNESDAY... 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. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. Flash Flood Watch. Coastal Flood Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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. NYZ072-073-176-042000- New York (Manhattan)-Bronx-Northern Queens- 400 PM EDT Mon Aug 3 2020 ...TROPICAL STORM WARNING IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY NIGHT... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 PM TUESDAY TO 2 AM EDT WEDNESDAY... 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. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. Flash Flood Watch. Coastal Flood Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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. NYZ078-079-177-042000- Northwestern Suffolk-Northeastern Suffolk-Northern Nassau- 400 PM EDT Mon Aug 3 2020 ...TROPICAL STORM WARNING IN EFFECT... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 PM TUESDAY TO 2 AM EDT WEDNESDAY... 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. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. Coastal Flood Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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. ANZ330-335-338-340-345-350-353-355-042000- 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- 400 PM EDT Mon Aug 3 2020 ...TROPICAL STORM WARNING IN EFFECT... 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. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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. NYZ075-042000- Kings (Brooklyn)- 400 PM EDT Mon Aug 3 2020 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY EVENING... ...TROPICAL STORM WARNING IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY NIGHT... ...COASTAL FLOOD WARNING IN EFFECT FROM 8 PM TUESDAY TO 1 AM EDT WEDNESDAY... This Hazardous Weather Outlook is for southeast New York. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. Tropical Storm Warning. Flash Flood Watch. Coastal Flood Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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. NYZ178-042000- Southern Queens- 400 PM EDT Mon Aug 3 2020 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY EVENING... ...TROPICAL STORM WARNING IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY NIGHT... ...HIGH SURF ADVISORY IN EFFECT FROM 8 AM TUESDAY TO 8 AM EDT WEDNESDAY... ...COASTAL FLOOD WARNING IN EFFECT FROM 8 PM TUESDAY TO 1 AM EDT WEDNESDAY... This Hazardous Weather Outlook is for southeast New York. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. Tropical Storm Warning. Flash Flood Watch. High Surf Advisory. Coastal Flood Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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. NYZ080-179-042000- Southwestern Suffolk-Southern Nassau- 400 PM EDT Mon Aug 3 2020 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY EVENING... ...TROPICAL STORM WARNING IN EFFECT... ...HIGH SURF ADVISORY IN EFFECT FROM 8 AM TUESDAY TO 8 AM EDT WEDNESDAY... ...COASTAL FLOOD WARNING IN EFFECT FROM 8 PM TUESDAY TO 1 AM EDT WEDNESDAY... This Hazardous Weather Outlook is for southeast New York. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. Tropical Storm Warning. High Surf Advisory. Coastal Flood Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && This Hazardous Weather Outlook provides a summary of potential widespread hazardous weather events that may reach NWS warning criteria. Most long fused NWS watches, warnings, and advisories in effect are highlighted. Please refer to the latest NWS forecasts for weather not meeting NWS warning criteria. NYZ081-042000- Southeastern Suffolk- 400 PM EDT Mon Aug 3 2020 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY EVENING... ...TROPICAL STORM WARNING IN EFFECT... ...HIGH SURF ADVISORY IN EFFECT FROM 8 AM TUESDAY TO 8 AM EDT WEDNESDAY... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 PM TUESDAY TO 2 AM EDT WEDNESDAY... This Hazardous Weather Outlook is for southeast New York. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. Tropical Storm Warning. High Surf Advisory. Coastal Flood Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. Please safely report significant weather conditions while following local, state, and CDC guidelines. && 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.
Special Weather Statement
National Weather Service New York NY
851 PM EDT Mon Aug 3 2020
NYZ072-073-075-176>179-040130-
Northern Queens-Southern Queens-Bronx-New York (Manhattan)-Northern
Nassau-Kings (Brooklyn)-Southern Nassau-
851 PM EDT Mon Aug 3 2020
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT QUEENS...BRONX...
KINGS...NEW YORK (MANHATTAN) AND SOUTHWESTERN NASSAU COUNTIES...
At 850 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Coney Island to near Atlantic Beach.
Movement was north at 45 mph.
Wind gusts up to 50 mph are possible with these storms.
These storms will be near...
Long Beach and Flatbush around 900 PM EDT.
Valley Stream and Lynbrook around 905 PM EDT.
New York and Garden City around 910 PM EDT.
Mineola and Westbury around 915 PM EDT.
East Tremont and Throgs Neck Bridge around 920 PM EDT.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4056 7395 4057 7402 4062 7406 4067 7403
4069 7405 4071 7404 4071 7403 4072 7402
4076 7401 4087 7394 4081 7355 4057 7364
4057 7376 4053 7394
TIME...MOT...LOC 0050Z 196DEG 38KT 4056 7400 4052 7376
NVSpecial Weather Statement
National Weather Service New York NY
905 PM EDT Mon Aug 3 2020
NJZ002-004-006-103>108-NYZ069-071>073-075-176-040145-
Hudson-Eastern Union-Eastern Essex-Western Bergen-Western
Union-Western Passaic-Western Essex-Eastern Bergen-Eastern
Passaic-Rockland-Kings (Brooklyn)-Northern Queens-Bronx-Southern
Westchester-New York (Manhattan)-
905 PM EDT Mon Aug 3 2020
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT HUDSON...EASTERN
PASSAIC...NORTHEASTERN UNION...BERGEN...ESSEX...SOUTHERN
WESTCHESTER...QUEENS...BRONX...KINGS...ROCKLAND AND NEW YORK
(MANHATTAN) COUNTIES...
At 904 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Morristown to NY Harbor. Movement
was northeast at 40 mph.
Wind gusts up to 50 mph are possible with these storms.
Locations impacted include...
New York, Newark, Jersey City, Yonkers, Paterson, Elizabeth, New
Rochelle, Passaic, Bayonne, White Plains, Wayne, Hoboken, Bloomfield,
Hackensack and Port Chester.
LAT...LON 4062 7406 4067 7404 4065 7407 4064 7414
4073 7438 4079 7437 4086 7432 4090 7434
4090 7427 4097 7428 4100 7430 4101 7435
4115 7425 4114 7423 4117 7420 4109 7389
4100 7389 4106 7379 4101 7364 4058 7397
TIME...MOT...LOC 0104Z 232DEG 33KT 4081 7455 4042 7311
NVSpecial Weather Statement
National Weather Service New York NY
906 PM EDT Mon Aug 3 2020
NYZ078-080-040145-
Southwest Suffolk-Northwest Suffolk-
906 PM EDT Mon Aug 3 2020
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WESTERN SUFFOLK
COUNTY...
At 905 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Morris Plains to 15 miles southeast
of Robert Moses State Park. Movement was northeast at 40 mph.
Wind gusts up to 50 mph are possible with these storms.
Locations impacted include...
Islip, Lindenhurst, Babylon, Patchogue, Hauppauge, Robert Moses State
Park, Deer Park, Brentwood, Ronkonkoma, Smithtown, Bay Shore, Captree
State Park, Sayville, Davis Park and Gilgo State Park.
LAT...LON 4060 7343 4062 7342 4062 7344 4063 7344
4063 7343 4064 7344 4087 7322 4077 7287
4074 7287 4075 7285 4073 7287 4073 7285
4072 7286 4067 7300 4064 7309 4061 7324
TIME...MOT...LOC 0105Z 232DEG 33KT 4082 7453 4044 7310
NVSpecial Weather Statement
National Weather Service New York NY
917 PM EDT Mon Aug 3 2020
NYZ078>081-040200-
Southwest Suffolk-Northwest Suffolk-Southeast Suffolk-Northeast
Suffolk-
917 PM EDT Mon Aug 3 2020
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SUFFOLK COUNTY...
At 917 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Syosset to Melville to 18 miles southeast
of Mastic Beach. Movement was northeast at 50 mph.
Wind gusts up to 50 mph are possible with these storms.
Locations impacted include...
Islip, Riverhead, Lindenhurst, Southold, Babylon, Patchogue, Port
Jefferson, Manorville, Shirley, Medford, Center Moriches, Ronkonkoma,
Westhampton, Stony Brook and Robert Moses State Park.
LAT...LON 4060 7333 4063 7344 4069 7343 4092 7321
4093 7317 4098 7316 4100 7264 4112 7243
4110 7228 4106 7227 4083 7246 4061 7324
TIME...MOT...LOC 0117Z 222DEG 48KT 4081 7349 4079 7342 4052 7269
NVSpecial Weather Statement National Weather Service New York NY 931 PM EDT Mon Aug 3 2020 NJZ002-004-103-104-NYZ067>070-040215- Western Bergen-Western Passaic-Eastern Bergen-Eastern Passaic-Putnam-Rockland-Northern Westchester-Orange- 931 PM EDT Mon Aug 3 2020 ...A STRONG THUNDERSTORM WILL AFFECT CENTRAL PASSAIC...BERGEN... NORTHERN WESTCHESTER...SOUTHEASTERN ORANGE...WESTERN PUTNAM AND ROCKLAND COUNTIES... At 931 PM EDT, a strong thunderstorm was located over Ridgewood, moving northeast at 45 mph. Winds in excess of 40 mph are possible with this storm. Locations impacted include... Paramus, Ossining, Ridgewood, Peekskill, Ramsey, Ringwood, Haverstraw, Tarrytown, Pompton Lakes, Mount Kisco, Suffern, Nyack, Sloatsburg, Cold Spring and Monsey. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. LAT...LON 4124 7354 4088 7407 4104 7436 4147 7404 TIME...MOT...LOC 0131Z 219DEG 38KT 4099 7415 JE
Special Weather Statement
National Weather Service New York NY
933 PM EDT Mon Aug 3 2020
CTZ005-006-009>011-NYZ067>071-079-080-040230-
Southern Middlesex-Northern Fairfield-Southern Fairfield-Northern New
Haven-Southern New Haven-Putnam-Rockland-Southwest Suffolk-Southern
Westchester-Northeast Suffolk-Northern Westchester-Orange-
933 PM EDT Mon Aug 3 2020
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT FAIRFIELD...CENTRAL NEW
HAVEN...WESTCHESTER...SOUTHEASTERN ORANGE...PUTNAM...WEST CENTRAL
SUFFOLK AND ROCKLAND COUNTIES...
At 933 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Greenwood Lake to Port Chester to
Hauppauge. Movement was northeast at 50 mph.
Wind gusts up to 50 mph are possible with these storms.
Locations impacted include...
Huntington, Bridgeport, New Haven, Stamford, Norwalk, Danbury, White
Plains, Milford, Shelton, Naugatuck, Port Chester, Ossining,
Peekskill, Guilford and Southbury.
LAT...LON 4149 7344 4147 7331 4151 7316 4125 7235
4090 7288 4098 7289 4100 7274 4125 7278
4125 7292 4112 7330 4107 7338 4082 7331
4082 7307 4075 7322 4099 7359 4095 7367
4122 7440 4151 7375 4153 7353 4162 7349
TIME...MOT...LOC 0133Z 243DEG 41KT 4123 7424 4102 7365 4083 7322
NVThe Brookhaven radar (KOKX), 61 km away, was scanning. The volume nearest the first event began at 01:43 UTC.
4 thunderstorm wind. Local standard time, as filed.
Downed street light and power cables from a fallen branch on Barret Avenue with road closure at Turner Road and Barrett Avenue.
Large branch reported down at Hubbard Avenue near West North Street.
A large branch reported down in Greenwich in back yard at Elm Street and Mason Street.
Large tree limb down and blocking the road on Highland Place in Greenwich with time estimated by radar.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Connecticut in 2020Every state in 2020This day in weather historyWarnings in Connecticut, August 2020
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: 909577, 909537, 909538, 909539.