Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS New York, NY

July 17, 2021Richmond County, New York; Hudson County, Union County, New Jersey

NWS New York, NY issued this special weather statement at Jul 17, 2021, 8:07 PM EDT for Richmond County, New York; Hudson County, Union County, New Jersey. It was in force for 23 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: Jul 17, 2021, 8:07 PM EDT (00:07 UTC)
Expired: Jul 17, 2021, 8:30 PM EDT
In force: 23 min
Issued by: NWS New York, NY

Counties Hudson County, NJ, Union County, NJ, Richmond County, NY

The radar

The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 00:10 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 00:00Z, 0.1 hours before the alert went out and 119 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1431 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 988 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jul 17, 7:51 PM EDT, 16 minutes earlier.

Area forecast discussion, Jul 17, 7:51 PM EDT, 16 minutes before

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Hazardous weather outlook, Jul 17, 6:36 PM EDT, 1 hour 31 minutes before

Hazardous Weather Outlook
National Weather Service New York NY
636 PM EDT Sat Jul 17 2021

CTZ005-009-NJZ002-004-006-103>108-NYZ067>075-176>179-182245-
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-
636 PM EDT Sat Jul 17 2021

...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EDT SUNDAY...
...SEVERE THUNDERSTORM WATCH 382 IN EFFECT UNTIL 11 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...Sunday through Friday.

Hazardous weather is not expected at this time that would meet NWS
warning criteria.

.SPOTTER INFORMATION STATEMENT...

Spotter activation according to Standard Operating Procedures is
requested and appreciated.

&&

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.

CTZ006-007-010-011-182245-
Northern New Haven-Northern Middlesex-Southern New Haven-
Southern Middlesex-
636 PM EDT Sat Jul 17 2021

...SEVERE THUNDERSTORM WATCH 382 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

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.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time that would meet NWS
warning criteria.

.SPOTTER INFORMATION STATEMENT...

Spotter activation according to Standard Operating Procedures is
requested and appreciated.

&&

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.

CTZ008-012-NYZ078>081-182245-
Northern New London-Southern New London-Northwest Suffolk-
Northeast Suffolk-Southwest Suffolk-Southeast Suffolk-
636 PM EDT Sat Jul 17 2021

This Hazardous Weather Outlook is for southern Connecticut and
southeast New York.

.DAY ONE...Tonight.

There is a chance of strong thunderstorms this evening which may
produce gusty winds. An isolated severe thunderstorm is possible with
damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time that would meet NWS
warning criteria.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

&&

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.

ANZ331-332-340-345-350-353-182245-
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-
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-
636 PM EDT Sat Jul 17 2021

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...Tonight.

There is a chance of strong thunderstorms this evening which may
produce gusty winds. An isolated severe thunderstorm is possible
with damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time that would meet NWS
warning criteria.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

&&

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.

ANZ335-338-355-182245-
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-
636 PM EDT Sat Jul 17 2021

...SEVERE THUNDERSTORM WATCH 382 IN EFFECT UNTIL 11 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...Sunday through Friday.

Hazardous weather is not expected at this time that would meet NWS
warning criteria.

.SPOTTER INFORMATION STATEMENT...

Spotter activation according to Standard Operating Procedures is
requested and appreciated.

&&

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, Jul 17, 5:51 PM EDT, 2 hours 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
551 PM EDT SAT JUL 17 2021

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

0516 PM     FLASH FLOOD      1 NNE ELIZABETH         40.68N 74.19W
07/17/2021                   UNION              NJ   DEPT OF HIGHWAYS

            FLOODING ON NEWARK LIBERTY INTERNATIONAL
            AIRPORT - EARHART DRIVE BETWEEN METROPLEX
            ROAD AND BASILONE ROAD IN ELIZABETH. ALL
            LANES CLOSED.

&&

Special weather statement, Jul 17, 6:40 PM EDT, 1 hour 27 minutes before

Special Weather Statement
National Weather Service New York NY
640 PM EDT Sat Jul 17 2021

NJZ105-107-108-172330-
Eastern Union-Western Union-Western Essex-
640 PM EDT Sat Jul 17 2021

...A STRONG THUNDERSTORM WILL AFFECT UNION AND WESTERN ESSEX
COUNTIES...

At 637 PM EDT, the leading edge of a strong thunderstorm was located
over Somerville, moving east at 20 mph.

Winds up to 40 mph and torrential rainfall are possible with this
storm.

Locations impacted include...
Plainfield, Summit, Millburn, Clark, Union, Westfield, Livingston,
Rahway, Maplewood, Scotch Plains, Cranford, Roselle, Roselle Park,
Berkeley Heights and New Providence.

Torrential rainfall and frequent cloud to ground lightning are also
occurring with this storm, and may cause localized flooding. Do not
drive your vehicle through flooded roadways. Also, lightning can
strike 10 miles away from a thunderstorm. Seek a safe shelter inside
a building or vehicle.

LAT...LON 4061 7431 4059 7446 4060 7446 4062 7442
      4067 7440 4066 7442 4066 7444 4065 7445
      4067 7446 4074 7437 4076 7436 4076 7438
      4079 7437 4082 7433 4086 7432 4087 7430
      4067 7425 4060 7425 4059 7428
TIME...MOT...LOC 2237Z 248DEG 18KT 4058 7457

Goodman

Special weather statement, Jul 17, 6:54 PM EDT, 1 hour 13 minutes before

Special Weather Statement
National Weather Service New York NY
654 PM EDT Sat Jul 17 2021

NYZ067-172345-
Orange-
654 PM EDT Sat Jul 17 2021

...A STRONG THUNDERSTORM WILL EASTERN ORANGE COUNTY...

At 654 PM EDT, a strong thunderstorm was located over Florida, or
near Warwick, moving northeast at 20 mph.

Winds up to 40 mph and pea size hail are possible with this storm.

This storm will be near...
  Chester around 705 PM EDT.
  Monroe around 710 PM EDT.
  Newburgh and New Windsor around 745 PM EDT.

LAT...LON 4148 7400 4146 7400 4144 7398 4140 7396
      4123 7435 4130 7444 4157 7407
TIME...MOT...LOC 2254Z 231DEG 19KT 4132 7432

Goodman

Special weather statement, Jul 17, 7:05 PM EDT, 1 hour 2 minutes before

Special Weather Statement
National Weather Service New York NY
705 PM EDT Sat Jul 17 2021

CTZ005-NYZ068-070-172345-
Northern Fairfield-Putnam-Northern Westchester-
705 PM EDT Sat Jul 17 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN WESTCHESTER...EASTERN
PUTNAM AND NORTHERN FAIRFIELD COUNTIES...

At 704 PM EDT, a strong thunderstorm was located near Yorktown
Heights, or near Mahopac, moving northeast at 20 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

This storm will be near...
  Mahopac around 715 PM EDT.
  Brewster and Carmel around 730 PM EDT.
  Lake Carmel around 735 PM EDT.
  New Fairfield around 745 PM EDT.

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 4151 7344 4150 7344 4150 7342 4126 7380
      4130 7388 4151 7372 4153 7360 4153 7353
      4154 7353
TIME...MOT...LOC 2304Z 214DEG 19KT 4132 7380

Goodman

Special weather statement, Jul 17, 7:40 PM EDT, 27 minutes before

Special Weather Statement
National Weather Service New York NY
740 PM EDT Sat Jul 17 2021

NJZ103-NYZ067>070-180030-
Western Bergen-Putnam-Rockland-Northern Westchester-Orange-
740 PM EDT Sat Jul 17 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN
BERGEN...ROCKLAND...EASTERN ORANGE...NORTHERN WESTCHESTER AND
WESTERN PUTNAM COUNTIES...

At 739 PM EDT, radar indicated strong thunderstorms along a line
extending from near Greenwood Lake to near Suffern to near Ramsey.
Movement was northeast at 25 mph.

Winds in excess of 40 mph and half inch hail are possible with these
storms.

These storms will be near...
  Nanuet and Monroe around 755 PM EDT.
  New City around 805 PM EDT.
  Haverstraw and West Point around 810 PM EDT.
  Peekskill around 815 PM EDT.
  Cold Spring and New Windsor around 820 PM EDT.
  Newburgh and Gardnertown around 825 PM EDT.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

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 4153 7400 4145 7400 4144 7398 4149 7393
      4149 7389 4141 7382 4123 7386 4106 7403
      4107 7406 4102 7407 4095 7414 4098 7416
      4099 7420 4110 7423 4113 7421 4115 7424
      4124 7427 4158 7405 4159 7396
TIME...MOT...LOC 2339Z 214DEG 24KT 4123 7421 4110 7411 4103 7413

Goodman

Special weather statement, Jul 17, 8:07 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service New York NY
807 PM EDT Sat Jul 17 2021

NJZ006-106>108-NYZ074-180030-
Hudson-Eastern Union-Eastern Essex-Western Union-Richmond (Staten
Is.)-
807 PM EDT Sat Jul 17 2021

...THE GUST FRONT FROM A STRONG THUNDERSTORM WILL AFFECT
UNION...SOUTHEASTERN ESSEX....RICHMOND AND HUDSON COUNTIES...

At 804 PM EDT, the gust front from a strong thunderstorm was located
along a line from near Mountainside to Clark to Metuchen, and
was moving east at 40 mph.

Wind gusts up to 40 mph may be possible.

Locations that could be impacted include...
Newark, Jersey City, Elizabeth, Bayonne, Hoboken, Plainfield,
Linden, Harrison, Todt Hill, Huguenot, The Verrazano Narrows Bridge,
Union City, Port Richmond, Kearny and Tottenville.

LAT...LON 4052 7425 4055 7425 4056 7422 4057 7421
      4060 7422 4059 7428 4061 7431 4060 7443
      4067 7440 4066 7444 4068 7445 4072 7427
      4071 7425 4073 7422 4078 7400 4070 7402
      4068 7406 4059 7404 4053 7410 4051 7426
TIME...MOT...LOC 0004Z 258DEG 36KT 4061 7433

Goodman

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 8:25 PM EDT	Areal Flood Advisory	OKX	Orange, Putnam, Rockland, Westchester	110 min
Jul 17, 8:33 PM EDT	Areal Flood Advisory	OKX	Orange	117 min
Jul 17, 11:03 PM EDT	Special Marine Warning	OKX		57 min
Jul 17, 11:25 PM EDT	Special Weather Statement	OKX	Kings, Richmond	50 min
Jul 17, 11:51 PM EDT	Special Marine Warning	OKX		54 min
Jul 17, 11:56 PM EDT	Areal Flood Advisory	OKX	Kings, Richmond	94 min
Jul 18, 12:07 AM EDT	Special Marine Warning	OKX		53 min
Jul 18, 12:18 AM EDT	Special Weather Statement	OKX	Nassau, Queens	42 min
Jul 18, 12:56 AM EDT	Special Weather Statement	OKX	Suffolk	49 min

Nearby

Special Weather Statements in New Jersey, 2021 Special Weather Statements in New York, 2021 Every special weather statement in 2021

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.