Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS New York, NY

October 25, 2021Bronx County, Westchester County, New York

NWS New York, NY issued this special weather statement at Oct 25, 2021, 11:08 PM EDT for Bronx County, Westchester County, New York. It was in force for 37 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
Oct 25, 2021, 11:08 PM EDT (03:08 UTC)
Expired
Oct 25, 2021, 11:45 PM EDT
In force
37 min
Issued by
NWS New York, NY
Hail
0.25 in
Wind
30

Counties Bronx County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 85 km from the middle of the area, began a volume at 03:11 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, 3.1 hours before the alert went out and 85 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 00:00Z on 2021-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 544 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 00:00Z on 2021-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.1939587897Sfc1 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
544 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

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 Oct 25, 11:05 PM EDT, 3 minutes earlier.

Area forecast discussion, Oct 25, 11:05 PM EDT, 3 minutes before
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Hazardous weather outlook, Oct 25, 3:52 PM EDT, 7 hours 16 minutes before
Hazardous Weather Outlook
National Weather Service New York NY
352 PM EDT Mon Oct 25 2021

CTZ005>007-NJZ002-004-103>108-NYZ067>070-261000-
Northern Fairfield-Northern New Haven-Northern Middlesex-
Western Passaic-Eastern Passaic-Western Bergen-Eastern Bergen-
Western Essex-Eastern Essex-Western Union-Eastern Union-Orange-
Putnam-Rockland-Northern Westchester-
352 PM EDT Mon Oct 25 2021

...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
TUESDAY AFTERNOON...

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.

   Flash Flood Watch.

.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.

   Flash Flood Watch.

.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.

CTZ008-261000-
Northern New London-
352 PM EDT Mon Oct 25 2021

...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
TUESDAY AFTERNOON...
...WIND ADVISORY IN EFFECT FROM 2 PM TUESDAY TO 6 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.

   Flash Flood Watch.

.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.

   Flash Flood Watch.
   Wind Advisory.

.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.

ANZ331-332-340-345-353-355-261000-
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-
Fire Island Inlet NY to Moriches Inlet NY out 20 nm-
Sandy Hook NJ to Fire Island Inlet NY out 20 nm-
352 PM EDT Mon Oct 25 2021

...GALE WARNING IN EFFECT FROM 8 AM TUESDAY TO 2 PM EDT WEDNESDAY...

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.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.

   Gale Warning.

.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.

ANZ335-338-261000-
Long Island Sound West of New Haven CT/Port Jefferson NY-
New York Harbor-
352 PM EDT Mon Oct 25 2021

...GALE WARNING IN EFFECT FROM 8 AM TUESDAY TO 8 AM EDT WEDNESDAY...

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.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.

   Gale Warning.

.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.

ANZ350-261000-
Moriches Inlet NY to Montauk Point NY out 20 nm-
352 PM EDT Mon Oct 25 2021

...STORM WARNING IN EFFECT FROM 8 AM TUESDAY TO 2 PM EDT WEDNESDAY...

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.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.

   Storm Warning.

.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.

CTZ009-010-NJZ006-NYZ071>075-078-080-176>179-261000-
Southern Fairfield-Southern New Haven-Hudson-Southern Westchester-
New York (Manhattan)-Bronx-Richmond (Staten Island)-Kings (Brooklyn)-
Northwest Suffolk-Southwest Suffolk-Northern Queens-Northern Nassau-
Southern Queens-Southern Nassau-
352 PM EDT Mon Oct 25 2021

...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
TUESDAY AFTERNOON...

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.

   Flash Flood Watch.

.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.

   Flash Flood Watch.

.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.

CTZ011-012-NYZ079-081-261000-
Southern Middlesex-Southern New London-Northeast Suffolk-
Southeast Suffolk-
352 PM EDT Mon Oct 25 2021

...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
TUESDAY AFTERNOON...
...WIND ADVISORY IN EFFECT FROM 2 PM TUESDAY TO 6 AM EDT WEDNESDAY...

This Hazardous Weather Outlook is for southern Connecticut 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.

   Flash Flood Watch.

.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.

   Flash Flood Watch.
   Wind Advisory.

.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

Special weather statement, Oct 25, 9:09 PM EDT, 1 hour 59 minutes before
Special Weather Statement
National Weather Service New York NY
909 PM EDT Mon Oct 25 2021

CTZ009-NJZ002-004-006-103>108-NYZ069>075-176-178-260300-
Southern Fairfield-Western Passaic-Eastern Passaic-Hudson-
Western Bergen-Eastern Bergen-Western Essex-Eastern Essex-
Western Union-Eastern Union-Rockland-Northern Westchester-
Southern Westchester-New York (Manhattan)-Bronx-
Richmond (Staten Island)-Kings (Brooklyn)-Northern Queens-
Southern Queens-
909 PM EDT Mon Oct 25 2021

...DEVELOPING THUNDERSTORMS...

Showers and thunderstorms will continue to develop over the area
through 11 pm. Locally heavy rainfall and lightning strikes can
be expected. Some of the strongest cells could produce some gusty
winds at times.

The area remains under a Flash Flood Watch through Tuesday.

JMC
Special weather statement, Oct 25, 9:16 PM EDT, 1 hour 52 minutes before
Special Weather Statement
National Weather Service New York NY
916 PM EDT Mon Oct 25 2021

NYZ067-068-260300-
Orange-Putnam-
916 PM EDT Mon Oct 25 2021

...DEVELOPING THUNDERSTORMS...

Showers and thunderstorms will continue to develop from the south
through 11 pm. Locally heavy rainfall and lightning strikes can
be expected. Some of the strongest cells could produce some gusty
winds at times.

The area remains under a Flash Flood Watch through Tuesday.

JMC
Special weather statement, Oct 25, 10:44 PM EDT, 24 minutes before
Special Weather Statement
National Weather Service New York NY
1044 PM EDT Mon Oct 25 2021

NYZ067>070-260330-
Putnam NY-Rockland NY-Northern Westchester NY-Orange NY-
1044 PM EDT Mon Oct 25 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF ROCKLAND NORTHERN
WESTCHESTER, WESTERN PUTNAM AND EASTERN ORANGE COUNTIES THROUGH 1130
PM EDT...

At 1043 PM EDT, Doppler radar was tracking a strong thunderstorm
over Haverstraw, moving north at 40 mph.

HAZARD...Pea size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include...
New City, Peekskill, Haverstraw, West Point, Cold Spring, Pomona,
Fahnestock State Park, Stony Point, Putnam Valley, West Haverstraw,
Congers, New Square, Mount Ivy, Wesley Hills and New Hempstead.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4157 7396 4155 7399 4153 7400 4150 7400
      4150 7399 4146 7400 4144 7398 4149 7393
      4150 7380 4113 7394 4114 7409 4159 7399
      4159 7395
TIME...MOT...LOC 0243Z 193DEG 35KT 4122 7399

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...<30 MPH

Goodman
Special weather statement, Oct 25, 11:08 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
Oct 25, 10:33 PM EDTFlash Flood WarningOKXRockland3 hr
Oct 25, 10:44 PM EDTSpecial Weather StatementOKXRockland46 min
Oct 26, 1:38 AM EDTAreal Flood AdvisoryOKXSuffolk3 hr
Oct 26, 1:52 AM EDTAreal Flood AdvisoryOKXKings, Queens6 hr
Oct 26, 3:12 AM EDTAreal Flood AdvisoryOKXBronx, New York, Richmond5 hr
Oct 26, 4:12 AM EDTHigh Wind WarningOKXSuffolk32 hr
Oct 26, 5:01 AM EDTAreal Flood AdvisoryOKXNassau, Queens, Suffolk3 hr
Oct 26, 6:03 AM EDTAreal Flood AdvisoryOKXBronx, Rockland, Westchester3 hr
Oct 26, 7:31 AM EDTAreal Flood AdvisoryOKXSuffolk119 min
Oct 26, 7:54 AM EDTAreal Flood AdvisoryOKXBronx, Kings, New York, Queens, Richmond4 hr
Oct 26, 7:58 AM EDTAreal Flood AdvisoryOKXNassau, Suffolk3 hr
Oct 26, 9:08 AM EDTAreal Flood AdvisoryOKXOrange, Rockland, Westchester112 min
Oct 26, 9:26 AM EDTSpecial Weather StatementOKXNassau, Suffolk94 min
Oct 26, 1:45 PM EDTRiver Flood WarningOKXOrange, Rockland36 hr
Oct 26, 2:58 PM EDTAreal Flood AdvisoryOKXOrange, Rockland3 hr
Oct 26, 3:21 PM EDTAreal Flood AdvisoryOKXSuffolk114 min
Oct 26, 3:36 PM EDTAreal Flood AdvisoryOKXOrange, Putnam, Rockland, Westchester2 hr
Oct 26, 4:52 PM EDTCoastal Flood StatementOKXNassau, Queens, Suffolk22 hr
Oct 26, 4:52 PM EDTCoastal Flood AdvisoryOKXNassau, Suffolk26 hr
Oct 26, 7:11 PM EDTAreal Flood AdvisoryOKXBronx, Kings, Nassau, New York, Orange, Queens and 3 more3 hr
Oct 25, 9:42 PM EDTFlash Flood WarningOKXEssex, Passaic3 hr
Oct 26, 7:39 AM EDTFlash Flood WarningOKXBergen, Essex, Hudson, Passaic, Union3 hr
Oct 26, 10:05 AM EDTRiver Flood WarningOKXBergen14 hr
Oct 26, 10:38 AM EDTAreal Flood AdvisoryOKXBergen, Essex, Hudson, Passaic112 min
Oct 26, 1:09 PM EDTAreal Flood AdvisoryOKXGreater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region111 min

Nearby

Special Weather Statements in New York, 2021Every 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.