Alert archive / New York / Special Weather Statements in 2020

Special Weather Statement, NWS New York, NY

August 25, 2020Bronx County, Nassau County, New York

NWS New York, NY issued this special weather statement at Aug 25, 2020, 4:01 PM EDT for Bronx County, Nassau County, New York. It was in force for 44 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
Aug 25, 2020, 4:01 PM EDT (20:01 UTC)
Expired
Aug 25, 2020, 4:45 PM EDT
In force
44 min
Issued by
NWS New York, NY

Counties Bronx County, NY, Nassau County, NY

The radar

The Brookhaven radar (KOKX), 71 km from the middle of the area, began a volume at 20:05 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 12:00Z, 8.0 hours before the alert went out and 71 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 2020-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 239 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 2020-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
239 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1429 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

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 Aug 25, 2:15 PM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Aug 25, 2:15 PM EDT, 1 hour 46 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 25, 3:47 PM EDT, 14 minutes before
Hazardous Weather Outlook
National Weather Service New York NY
347 PM EDT Tue Aug 25 2020

NYZ075-080-081-178-179-262000-
Kings (Brooklyn)-Southwestern Suffolk-Southeastern Suffolk-
Southern Queens-Southern Nassau-
347 PM EDT Tue Aug 25 2020

...HIGH RIP CURRENT RISK IN EFFECT UNTIL 9 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 450 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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.
   Severe Thunderstorm Watch.

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

There is a low probability for widespread hazardous weather that
would meet NWS warning criteria.

.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.

CTZ005>012-NJZ002-004-006-103>108-NYZ067>074-078-079-176-177-262000-
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-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)-Northwestern Suffolk-Northeastern Suffolk-
Northern Queens-Northern Nassau-
347 PM EDT Tue Aug 25 2020

...SEVERE THUNDERSTORM WATCH 450 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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.

   Severe Thunderstorm Watch.

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

There is a low probability for widespread hazardous weather that
would meet NWS warning criteria.

.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.

ANZ330-335-338-340-345-350-353-355-262000-
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-
347 PM EDT Tue Aug 25 2020

...SEVERE THUNDERSTORM WATCH 450 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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.

   Severe Thunderstorm Watch.

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

There is a low probability for widespread hazardous weather that
would meet NWS warning criteria.

.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.

In the hours before

Special weather statement, Aug 25, 3:40 PM EDT, 21 minutes before
Special Weather Statement
National Weather Service New York NY
340 PM EDT Tue Aug 25 2020

CTZ009-NYZ070-252015-
Southern Fairfield-Northern Westchester-
340 PM EDT Tue Aug 25 2020

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN FAIRFIELD AND CENTRAL
WESTCHESTER COUNTIES...

At 340 PM EDT, a strong thunderstorm was located near Bedford, or
near Mount Kisco, moving southeast at 30 mph.

Winds in excess of 40 mph are possible with this storm.

This storm will be near...
  Stamford around 350 PM EDT.
  Greenwich and Darien around 400 PM EDT.
  Norwalk around 405 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 4117 7346 4116 7346 4116 7345 4115 7345
      4116 7344 4110 7334 4104 7339 4099 7356
      4100 7359 4097 7362 4110 7372 4108 7376
      4113 7381 4127 7366
TIME...MOT...LOC 1940Z 312DEG 28KT 4115 7367
Special weather statement, Aug 25, 4:01 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service New York NY
401 PM EDT Tue Aug 25 2020

NYZ071-073-176-177-179-252045-
Northern Queens-Bronx-Southern Westchester-Northern Nassau-Southern
Nassau-
401 PM EDT Tue Aug 25 2020

...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL WESTCHESTER...
QUEENS...BRONX AND CENTRAL NASSAU COUNTIES...

At 400 PM EDT, a strong thunderstorm was located over Co-
op City, or over Throgs Neck Bridge, moving east at 20 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Oyster Bay, New Rochelle, Glen Cove, Garden City, Mineola, Westbury,
Great Neck, Rfk Bridge, Flushing, Throgs Neck Bridge, Syosset, Mott
Haven, East Tremont, Laguardia Airport and Levittown.

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.

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

LAT...LON 4066 7350 4072 7373 4074 7370 4075 7370
      4076 7371 4073 7376 4077 7394 4078 7393
      4079 7391 4080 7393 4094 7388 4094 7367
      4088 7374 4086 7366 4092 7364 4092 7350
      4090 7347 4087 7347
TIME...MOT...LOC 2000Z 283DEG 16KT 4084 7382

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 11:45 AM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk9 hr
Aug 25, 3:40 PM EDTSpecial Weather StatementOKXWestchester35 min
Aug 25, 3:48 PM EDTSmall Craft AdvisoryOKX19 hr
Aug 25, 4:25 PM EDTSpecial Weather StatementOKXPutnam50 min
Aug 25, 4:36 PM EDTSpecial Weather StatementOKXOrange24 min
Aug 25, 4:52 PM EDTSevere Thunderstorm WarningOKXOrange, Rockland38 min
Aug 25, 5:00 PM EDTSpecial Weather StatementOKXPutnam45 min
Aug 25, 5:14 PM EDTSevere Thunderstorm WarningOKXPutnam, Westchester46 min
Aug 25, 5:25 PM EDTSevere Thunderstorm WarningOKXOrange, Rockland, Westchester50 min
Aug 25, 5:56 PM EDTSpecial Marine WarningOKX49 min
Aug 25, 6:00 PM EDTSevere Thunderstorm WarningOKXBronx, Kings, Nassau, New York, Queens, Westchester45 min
Aug 25, 6:16 PM EDTSpecial Marine WarningOKX59 min
Aug 25, 6:22 PM EDTSevere Thunderstorm WarningOKXSuffolk38 min
Aug 25, 6:26 PM EDTSevere Thunderstorm WarningOKXKings, Nassau, Queens32 min
Aug 25, 7:10 PM EDTSpecial Marine WarningOKX33 min
Aug 25, 6:37 PM EDTSpecial Weather StatementOKXUnion38 min
Aug 25, 7:13 PM EDTSpecial Weather StatementOKX32 min

Nearby

Special Weather Statements in New York, 2020Every special weather statement in 2020

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.