Alert archive / Connecticut / Special Weather Statements in 2018

Special Weather Statement, NWS New York, NY

August 18, 2018

NWS New York, NY issued this special weather statement at Aug 18, 2018, 4:02 PM EDT. It was in force for 58 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 18, 2018, 4:02 PM EDT (20:02 UTC)
Expired
Aug 18, 2018, 5:00 PM EDT
In force
58 min
Issued by
NWS New York, NY

The radar

The Boston radar (KBOX), 86 km from the middle of the area, began a volume at 20:02 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 106 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 2018-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1148 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 2018-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
1148 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
752 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.8

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 18, 2:02 PM EDT, 2 hours earlier.

Area forecast discussion, Aug 18, 2:02 PM EDT, 2 hours before
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Hazardous weather outlook, Aug 18, 1:45 PM EDT, 2 hours 17 minutes before
Hazardous Weather Outlook
National Weather Service New York NY
145 PM EDT Sat Aug 18 2018

NJZ002-004-006-103>108-191745-
Western Passaic-Eastern Passaic-Hudson-Western Bergen-Eastern Bergen-
Western Essex-Eastern Essex-Western Union-Eastern Union-
145 PM EDT Sat Aug 18 2018

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

This Hazardous Weather Outlook is for northeast New Jersey.

.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.

Numerous showers and scattered thunderstorms will move through the
region late this afternoon into evening. A few of these storms could
be strong to severe with isolated damaging wind gusts.

In addition, due to the saturated grounds, flash flooding of urban
and poor drainage areas, as well as areas around creeks, streams and
small rivers is possible.

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

No hazardous weather is expected at this time.

.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.

CTZ005>012-NYZ067>075-078>081-176>179-191745-
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-Orange-Putnam-Rockland-
Northern Westchester-Southern Westchester-New York (Manhattan)-Bronx-
Richmond (Staten Island)-Kings (Brooklyn)-Northwestern Suffolk-
Northeastern Suffolk-Southwestern Suffolk-Southeastern Suffolk-
Northern Queens-Northern Nassau-Southern Queens-Southern Nassau-
145 PM EDT Sat Aug 18 2018

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

.DAY ONE...This Afternoon and Tonight.

Numerous showers and scattered thunderstorms will move through the
region late this afternoon into evening. A few of these storms could
be strong to severe with isolated damaging wind gusts. In addition,
areas of minor urban and poor drainage flooding are likely, with
localized flash flooding possible.

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

No hazardous weather is expected at this time that would meet
National Weather Service 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.

ANZ330-335-338-340-345-350-353-355-191745-
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-
145 PM EDT Sat Aug 18 2018

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This Afternoon and Tonight.

Heavy showers and thunderstorms are possible late this afternoon into
this evening which could result in localized gale force gusts.

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

No hazardous weather is expected at this time that would meet
National Weather Service 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.

In the hours before

Special weather statement, Aug 18, 2:45 PM EDT, 1 hour 17 minutes before
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Special weather statement, Aug 18, 3:48 PM EDT, 14 minutes before
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Special weather statement, Aug 18, 3:51 PM EDT, 11 minutes before
Special Weather Statement
National Weather Service New York NY
351 PM EDT SAT AUG 18 2018

CTZ006-182045-
Northern New Haven-
351 PM EDT SAT AUG 18 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN NEW HAVEN COUNTY...

At 350 PM EDT, a strong thunderstorm was located over Middlebury, or
near Waterbury, moving east at 20 mph.

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

This storm will be near...
  Middlebury around 400 PM EDT.
  Naugatuck around 405 PM EDT.
  Waterbury around 410 PM EDT.
  Prospect and Beacon Falls around 415 PM EDT.
  Bethany around 420 PM EDT.
  Wolcott and Hamden around 425 PM EDT.
  Meriden and Wallingford around 445 PM EDT.

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

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 4162 7293 4156 7295 4156 7288 4154 7285
      4157 7284 4155 7282 4157 7280 4158 7275
      4148 7274 4148 7273 4142 7274 4141 7279
      4148 7325 4151 7325 4151 7316 4156 7316
      4157 7309 4162 7302 4163 7302 4164 7295
TIME...MOT...LOC 1950Z 275DEG 16KT 4157 7315

Goodman
Special weather statement, Aug 18, 4:02 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
Aug 17, 8:40 PM EDTSpecial Weather StatementOKXPutnam50 min
Aug 17, 8:58 PM EDTSpecial Weather StatementOKXBronx, Kings, New York, Queens, Richmond, Rockland62 min
Aug 17, 9:01 PM EDTSpecial Marine WarningOKX59 min
Aug 17, 9:02 PM EDTSpecial Marine WarningOKX58 min
Aug 17, 9:16 PM EDTAreal Flood AdvisoryOKXOrange, Rockland, Westchester2 hr
Aug 17, 9:21 PM EDTAreal Flood AdvisoryOKXBronx, Kings, Nassau, New York, Queens, Richmond and 2 more66 min
Aug 17, 9:37 PM EDTSpecial Weather StatementOKXOrange, Putnam23 min
Aug 17, 9:53 PM EDTSpecial Weather StatementOKXPutnam, Westchester67 min
Aug 17, 9:58 PM EDTSpecial Marine WarningOKX62 min
Aug 17, 10:40 PM EDTSpecial Marine WarningOKX65 min
Aug 17, 11:02 PM EDTSpecial Weather StatementOKXBronx, New York43 min
Aug 17, 11:17 PM EDTAreal Flood AdvisoryOKXBronx, Kings, Nassau, New York, Queens118 min
Aug 17, 11:24 PM EDTAreal Flood AdvisoryOKXOrange, Rockland, Westchester96 min
Aug 18, 12:51 AM EDTSpecial Marine WarningOKX54 min
Aug 18, 12:51 AM EDTSpecial Weather StatementOKXNassau39 min
Aug 18, 1:59 AM EDTSpecial Marine WarningOKX61 min
Aug 18, 2:22 AM EDTSpecial Weather StatementOKXSuffolk38 min
Aug 18, 2:26 AM EDTSpecial Marine WarningOKX64 min
Aug 18, 2:44 AM EDTSpecial Marine WarningOKX61 min
Aug 18, 3:18 AM EDTSpecial Marine WarningOKX57 min
Aug 18, 3:32 AM EDTSpecial Marine WarningOKX58 min
Aug 18, 2:45 PM EDTSpecial Weather StatementOKXOrange, Putnam60 min
Aug 18, 2:50 PM EDTAreal Flood AdvisoryOKXSuffolk36 min
Aug 18, 3:28 PM EDTSmall Craft AdvisoryOKX50 hr
Aug 18, 3:41 PM EDTAreal Flood AdvisoryOKXOrange2 hr
Aug 18, 3:48 PM EDTSpecial Weather StatementOKXRockland57 min
Aug 18, 5:11 PM EDTAreal Flood AdvisoryOKXSuffolk35 min
Aug 18, 6:16 PM EDTSpecial Weather StatementOKXSuffolk44 min
Aug 18, 7:32 PM EDTSpecial Marine WarningOKX23 min
Aug 17, 11:38 PM EDTFlash Flood WarningOKXEssex, Hudson, Union2 hr
Aug 17, 11:44 PM EDTSevere Thunderstorm WarningOKXEssex, Union31 min
Aug 18, 12:05 AM EDTFlash Flood WarningOKXBergen, Essex, Passaic103 min
Aug 18, 1:45 AM EDTAreal Flood WarningOKXUnion99 min
Aug 18, 3:41 AM EDTFlash Flood WatchOKXBergen, Essex, Hudson, Passaic, Union16 hr
Aug 18, 4:32 PM EDTSpecial Weather StatementOKXBergen, Passaic43 min
Aug 18, 4:46 PM EDTAreal Flood AdvisoryOKXBergen, Essex, Hudson, Passaic, Union89 min
Aug 18, 6:13 PM EDTAreal Flood AdvisoryOKXBergen, Essex, Hudson, Passaic, Union92 min
Aug 17, 8:10 PM EDTSpecial Weather StatementOKX50 min
Aug 18, 3:51 PM EDTSpecial Weather StatementOKX54 min
Aug 18, 4:08 PM EDTSpecial Weather StatementOKX67 min
Aug 18, 4:41 PM EDTAreal Flood AdvisoryOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region64 min
Aug 18, 4:48 PM EDTSpecial Weather StatementOKX42 min
Aug 18, 5:22 PM EDTAreal Flood AdvisoryOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region83 min

Nearby

Special Weather Statements in Connecticut, 2018Every special weather statement in 2018

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.