Alert archive / New York / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 53, NWS New York, NY

July 16, 2024Orange County, Rockland County, Westchester County, New York; Passaic County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Jul 16, 2024, 5:55 PM EDT for Orange County, Rockland County, Westchester County, New York; Passaic County, New Jersey. It was in force for 50 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 16, 2024, 5:55 PM EDT (21:55 UTC)
Expired
Jul 16, 2024, 6:45 PM EDT
In force
50 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Brookhaven radar (KOKX), 109 km from the middle of the area, began a volume at 21:57 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 16, 3:36 PM EDTSevere Thunderstorm WatchSPC9 hr

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 2024-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 342 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 2024-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
342 J/kg
Mixed-layer CIN
-245 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
50 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 16, 5:09 PM EDT, 46 minutes earlier.

Area forecast discussion, Jul 16, 5:09 PM EDT, 46 minutes before
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Hazardous weather outlook, Jul 16, 5:17 PM EDT, 38 minutes before
Hazardous Weather Outlook
National Weather Service New York NY
517 PM EDT Tue Jul 16 2024

NJZ004-006-103>108-172130-
Eastern Passaic-Hudson-Western Bergen-Eastern Bergen-Western Essex-
Eastern Essex-Western Union-Eastern Union-
517 PM EDT Tue Jul 16 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT WEDNESDAY...
...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for northeast New Jersey.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.
   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

Severe thunderstorms may again be possible Wednesday afternoon and
evening ahead of an approaching cold front. Locally heavy rainfall
with urban and poor drainage flooding are also possible.

.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-NYZ067>074-176-177-172130-
Western Passaic-Orange-Putnam-Rockland-Northern Westchester-
Southern Westchester-New York (Manhattan)-Bronx-
Richmond (Staten Island)-Northern Queens-Northern Nassau-
517 PM EDT Tue Jul 16 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT WEDNESDAY...
...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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.

   Heat Advisory.
   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

Severe thunderstorms may again be possible Wednesday afternoon and
evening ahead of an approaching cold front. Locally heavy rainfall
with urban and poor drainage flooding are also possible.

.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>011-NYZ078-079-172130-
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Northwest Suffolk-Northeast Suffolk-
517 PM EDT Tue Jul 16 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT WEDNESDAY...

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.

   Heat Advisory.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

A few strong to severe thunderstorms may be possible Wednesday
afternoon and evening ahead of an approaching cold front.
Locally heavy rainfall with urban and poor drainage flooding are
also possible.

.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.

NYZ075-178-179-172130-
Kings (Brooklyn)-Southern Queens-Southern Nassau-
517 PM EDT Tue Jul 16 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT WEDNESDAY...
...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY EVENING...

This Hazardous Weather Outlook is for southeast New York.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.
   High Rip Current Risk.
   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.
   High Rip Current Risk.

Severe thunderstorms may again be possible Wednesday afternoon and
evening ahead of an approaching cold front. Locally heavy rainfall
with urban and poor drainage flooding are also possible.

.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.

ANZ331-332-335-340-345-350-353-355-CTZ012-172130-
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
Long Island Sound East of the Mouth of the Connecticut River-
Long Island Sound West 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-
Sandy Hook NJ to Fire Island Inlet NY out 20 nm-Southern New London-
517 PM EDT Tue Jul 16 2024

This Hazardous Weather Outlook is for Atlantic coastal waters and
southern Connecticut.

.DAY ONE...Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Strong thunderstorms with wind gusts over 35 kt may be possible
Wednesday afternoon and evening ahead of an approaching cold front.

No hazardous weather is expected at this time that would meet NWS
warning criteria.

.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.

NYZ080-172130-
Southwest Suffolk-
517 PM EDT Tue Jul 16 2024

...HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM EDT WEDNESDAY...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY EVENING...

This Hazardous Weather Outlook is for southeast New York.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.
   High Rip Current Risk.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.
   High Rip Current Risk.

Strong to severe thunderstorms may be possible Wednesday afternoon
and evening ahead of an approaching cold front. Locally heavy
rainfall with urban and poor drainage flooding are also possible.

.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.

NYZ081-172130-
Southeast Suffolk-
517 PM EDT Tue Jul 16 2024

...HIGH RIP CURRENT RISK IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

This Hazardous Weather Outlook is for southeast New York.

.DAY ONE...Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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.

.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.

ANZ338-172130-
New York Harbor-
517 PM EDT Tue Jul 16 2024

...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 10 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...Wednesday through Monday.

Severe thunderstorms may be possible Wednesday afternoon and evening
ahead of an approaching cold front.

.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

Special weather statement, Jul 16, 5:15 PM EDT, 40 minutes before
Special Weather Statement
National Weather Service New York NY
515 PM EDT Tue Jul 16 2024

NYZ067-162200-
Orange NY-
515 PM EDT Tue Jul 16 2024

...A STRONG THUNDERSTORM WILL IMPACT ORANGE COUNTY THROUGH 600 PM
EDT...

At 514 PM EDT, Doppler radar was tracking a strong thunderstorm over
High Point, or near Matamoras, moving east at 35 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Middletown, Port Jervis, Monroe, Warwick, Goshen, Howells, Chester,
Montgomery, Greenwood Lake, Florida, Harriman, Cuddebackville,
Otisville, Huguenot, and Unionville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
northeastern New Jersey...and southeastern New York.

&&

LAT...LON 4149 7476 4150 7448 4157 7442 4163 7425
      4161 7425 4160 7423 4126 7413 4117 7430
      4136 7469 4137 7469 4139 7471 4140 7474
      4143 7474 4143 7475 4144 7476 4146 7475
TIME...MOT...LOC 2114Z 256DEG 35KT 4130 7471

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

JT
Special weather statement, Jul 16, 5:46 PM EDT, 9 minutes before
Special Weather Statement
National Weather Service New York NY
546 PM EDT Tue Jul 16 2024

NJZ002-NYZ067>070-162230-
Western Passaic NJ-Putnam NY-Rockland NY-Northern Westchester NY-
Orange NY-
546 PM EDT Tue Jul 16 2024

...STRONG THUNDERSTORMS WILL IMPACT CENTRAL PASSAIC...NORTHERN
WESTCHESTER...ORANGE...PUTNAM AND ROCKLAND COUNTIES THROUGH 630 PM
EDT...

At 545 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Walden to near Chester to Upper Greenwood Lake.
Movement was east at 40 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
New City, Newburgh, Ossining, Peekskill, Monsey, Ringwood,
Haverstraw, Mount Kisco, Suffern, Mahopac, Monroe, Lake Carmel,
Walden, West Point, and Warwick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
northeastern New Jersey...and southeastern New York.

&&

LAT...LON 4160 7425 4158 7413 4161 7413 4161 7407
      4158 7405 4159 7395 4153 7400 4144 7398
      4149 7393 4152 7359 4141 7360 4113 7376
      4111 7415 4113 7421 4109 7426 4119 7438
      4120 7437 4125 7446 4160 7435 4163 7426
TIME...MOT...LOC 2145Z 271DEG 38KT 4154 7420 4142 7422 4118 7436

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

JT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 8:35 PM EDTSpecial Weather StatementOKXOrange40 min
Jul 15, 9:25 PM EDTSpecial Weather StatementOKXOrange50 min
Jul 16, 11:15 AM EDTSmall Craft AdvisoryOKX63 hr
Jul 16, 12:00 PM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk57 hr
Jul 16, 4:38 PM EDTRip Current StatementOKXSuffolk3 days
Jul 16, 5:15 PM EDTSpecial Weather StatementOKXOrange45 min
Jul 16, 5:46 PM EDTSpecial Weather StatementOKXOrange, Putnam, Rockland44 min
Jul 16, 6:32 PM EDTSevere Thunderstorm WarningOKXRichmond28 min
Jul 16, 6:35 PM EDTSpecial Marine WarningOKX55 min
Jul 16, 6:56 PM EDTSevere Thunderstorm WarningOKXKings, Nassau, Queens, Richmond49 min
Jul 16, 7:23 PM EDTSpecial Marine WarningOKX67 min
Jul 16, 7:39 PM EDTSevere Thunderstorm WarningOKXNassau, Suffolk19 min
Jul 16, 6:43 PM EDTSpecial Weather StatementOKX47 min
Jul 16, 7:14 PM EDTSpecial Weather StatementOKX46 min
Jul 16, 7:55 PM EDTSpecial Weather StatementOKX50 min

Nearby

Severe Thunderstorm Warnings in New York, 2024Severe Thunderstorm Warnings in New Jersey, 2024Every severe thunderstorm warning in 2024

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.