Alert archive / Connecticut / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 22, NWS New York, NY

July 3, 2023Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Jul 3, 2023, 9:33 PM EDT for Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut. It was in force for 30 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 3, 2023, 9:33 PM EDT (01:33 UTC)
Expired
Jul 3, 2023, 10:03 PM EDT
In force
30 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Greater Bridgeport Planning Region, CT, Naugatuck Valley Planning Region, CT

The radar

The Brookhaven radar (KOKX), 63 km from the middle of the area, began a volume at 01:33 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, 1.6 hours before the alert went out and 63 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 2023-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1125 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 2023-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.19395878Sfc1 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
1125 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
953 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.9

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 3, 8:51 PM EDT, 42 minutes earlier.

Area forecast discussion, Jul 3, 8:51 PM EDT, 42 minutes before
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Hazardous weather outlook, Jul 3, 5:21 PM EDT, 4 hours 12 minutes before
Hazardous Weather Outlook
National Weather Service New York NY
521 PM EDT Mon Jul 3 2023

NJZ002-004-103-104-NYZ067>071-042130-
Western Passaic-Eastern Passaic-Western Bergen-Eastern Bergen-Orange-
Putnam-Rockland-Northern Westchester-Southern Westchester-
521 PM EDT Mon Jul 3 2023

...SEVERE THUNDERSTORM WATCH 438 IN EFFECT UNTIL 8 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.

   Severe Thunderstorm Watch.

Scattered strong to severe thunderstorms are expected into this
evening. Strong to damaging winds are the main threat. In addition,
heavy rainfall could produce localized flash flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Showers and thunderstorms are expected to develop Tuesday afternoon.
Localized to scattered instances of flash flooding are possible.
There is also the potential for a few of the storms to become strong
to severe, with strong winds the main threat.

.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.

CTZ005>012-NJZ006-105>108-NYZ072>075-078-079-176>178-042130-
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-Hudson-Western Essex-
Eastern Essex-Western Union-Eastern Union-New York (Manhattan)-Bronx-
Richmond (Staten Island)-Kings (Brooklyn)-Northwest Suffolk-
Northeast Suffolk-Northern Queens-Northern Nassau-Southern Queens-
521 PM EDT Mon Jul 3 2023

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

.DAY ONE...Tonight.

Scattered showers and thunderstorms are possible to develop this
afternoon and evening. There is the potential for a few of the storms
to become strong to severe, with strong winds the main threat. In
addition, heavy rainfall could produce areas of mainly minor
flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Showers and thunderstorms are expected to develop Tuesday afternoon.
Localized to scattered instances of flash flooding are possible.
There is also the potential for a few of the storms to become strong
to severe, with strong winds the main threat.

.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.

NYZ179-042130-
Southern Nassau-
521 PM EDT Mon Jul 3 2023

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 1 AM EDT
WEDNESDAY...

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.

   Coastal Flood Advisory.

Also, a few showers and thunderstorms are expected to develop this
afternoon and evening. A few of the storms could become strong to
severe, with strong winds the main threat. In addition, heavy
rainfall could produce areas of mainly minor flooding.

.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.

   Coastal Flood Advisory.

Showers and thunderstorms are expected to develop Tuesday afternoon.
Localized to scattered instances of flash flooding are possible.
There is also the potential for a few of the storms to become strong
to severe, with strong winds the main threat.

.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.

NYZ080-081-042130-
Southwest Suffolk-Southeast Suffolk-
521 PM EDT Mon Jul 3 2023

...HIGH RIP CURRENT RISK IN EFFECT THROUGH TUESDAY 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.

   High Rip Current Risk.

.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.

   High Rip Current Risk.

Showers and thunderstorms are likely to develop Tuesday afternoon
into early evening. Localized instances of flash flooding are
possible. There is also the potential for a few of the storms to
become strong to severe, with strong winds the main threat.

.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.

ANZ331-332-335-338-340-345-350-353-355-042130-
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-
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-
521 PM EDT Mon Jul 3 2023

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...Tonight.

Thunderstorm development is possible into this evening. There is a
risk that wind gusts in some of the strongest storms could exceed 35
kt.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Thunderstorm development is possible Tuesday afternoon and evening.
There is a risk that wind gusts in some of the strongest storms
could exceed 35 kt.

.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.

In the hours before

Local storm report, Jul 3, 7:53 PM EDT, 1 hour 40 minutes before
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Local storm report, Jul 3, 8:12 PM EDT, 1 hour 21 minutes before
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Special weather statement, Jul 3, 9:02 PM EDT, 31 minutes before
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Local storm report, Jul 3, 9:22 PM EDT, 11 minutes before
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Local storm report, Jul 3, 9:24 PM EDT, 9 minutes before
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Local storm report, Jul 3, 9:25 PM EDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 8:36 PM EDTAreal Flood AdvisoryOKXPutnam, Rockland, Westchester3 hr
Jul 3, 9:15 PM EDTAreal Flood AdvisoryOKXRockland2 hr
Jul 3, 9:19 PM EDTAreal Flood AdvisoryOKXPutnam, Westchester3 hr
Jul 3, 9:34 PM EDTSpecial Marine WarningOKX56 min
Jul 4, 5:38 AM EDTSpecial Weather StatementOKXOrange52 min
Jul 4, 10:29 AM EDTFlood WatchOKXBronx, Kings, Nassau, New York, Putnam, Queens and 4 more8 hr
Jul 4, 11:22 AM EDTAreal Flood AdvisoryOKXNew York, Richmond83 min
Jul 4, 11:33 AM EDTAreal Flood AdvisoryOKXKings, New York, Queens87 min
Jul 4, 11:44 AM EDTSpecial Weather StatementOKXKings, Queens, Richmond46 min
Jul 4, 11:51 AM EDTSpecial Marine WarningOKX84 min
Jul 4, 12:23 PM EDTAreal Flood AdvisoryOKXKings, Queens112 min
Jul 4, 1:34 PM EDTAreal Flood AdvisoryOKXRockland14 min
Jul 4, 1:48 PM EDTFlash Flood WarningOKXRockland77 min
Jul 4, 2:09 PM EDTSpecial Weather StatementOKXRichmond51 min
Jul 4, 2:15 PM EDTSpecial Weather StatementOKXOrange60 min
Jul 4, 2:43 PM EDTFlash Flood WarningOKXRichmond65 min
Jul 4, 3:44 PM EDTSpecial Weather StatementOKXRockland61 min
Jul 4, 4:12 PM EDTCoastal Flood StatementOKXKings, Queens, Richmond, Westchester36 hr
Jul 4, 4:12 PM EDTCoastal Flood AdvisoryOKXNassau, Queens34 hr
Jul 4, 5:04 PM EDTSpecial Marine WarningOKX56 min
Jul 4, 5:48 PM EDTSpecial Weather StatementOKXSuffolk57 min
Jul 3, 9:02 PM EDTSpecial Weather StatementOKX43 min
Jul 3, 10:53 PM EDTSpecial Weather StatementOKX52 min
Jul 3, 11:13 PM EDTAreal Flood AdvisoryOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region92 min
Jul 3, 11:36 PM EDTSpecial Weather StatementOKX54 min
Jul 4, 2:05 PM EDTSpecial Weather StatementOKX40 min
Jul 4, 2:28 PM EDTAreal Flood AdvisoryOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region3 hr
Jul 4, 2:49 PM EDTSpecial Weather StatementOKX56 min
Jul 4, 3:16 PM EDTSpecial Weather StatementOKX44 min
Jul 4, 3:21 PM EDTAreal Flood AdvisoryOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region114 min
Jul 4, 4:11 PM EDTSpecial Weather StatementOKX64 min
Jul 4, 4:18 PM EDTAreal Flood AdvisoryOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region2 hr
Jul 4, 4:54 PM EDTFlash Flood WarningOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region98 min
Jul 4, 5:07 PM EDTFlash Flood WarningOKXGreater Bridgeport Planning Region90 min
Jul 4, 5:26 PM EDTSpecial Weather StatementOKX49 min
Jul 4, 1:28 PM EDTAreal Flood AdvisoryOKXPassaic92 min
Jul 4, 2:03 PM EDTAreal Flood AdvisoryOKXEssex, Union2 hr
Jul 4, 2:23 PM EDTFlash Flood WarningOKXUnion2 hr
Jul 4, 3:01 PM EDTSpecial Weather StatementOKXPassaic59 min
Jul 4, 3:02 PM EDTSpecial Weather StatementOKXUnion58 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 2023Every severe thunderstorm warning in 2023

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.