Alert archive / New York / Coastal Flood Statements in 2021

Coastal Flood Statement 23, NWS New York, NY

July 24, 2021Nassau County, Queens County, New York; Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this coastal flood statement at Jul 24, 2021, 4:33 AM EDT for Nassau County, Queens County, New York; Greater Bridgeport Planning Region, Connecticut. It took effect at Jul 24, 2021, 8:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 24, 2021, 4:33 AM EDT (08:33 UTC)
In effect from
Jul 24, 2021, 8:00 PM EDT
Expired
Jul 25, 2021, 2:00 AM EDT
In force
6 hr
Issued by
NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Nassau County, NY, Queens County, NY

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 8.6 hours before the alert went out and 58 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 2021-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 130 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2021-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
130 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1812 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

904 
WHUS41 KOKX 240833
CFWOKX

Coastal Hazard Message
National Weather Service New York NY
433 AM EDT Sat Jul 24 2021

NYZ178-179-250300-
/O.NEW.KOKX.CF.S.0023.210725T0000Z-210725T0300Z/
Southern Queens-Southern Nassau-
433 AM EDT Sat Jul 24 2021

* WHAT...Up to one half foot of inundation above ground level 
  expected in vulnerable areas near the waterfront and shoreline.

* WHERE...Southern Nassau and Southern Queens Counties.

* WHEN...This evening.

* IMPACTS...Brief minor flooding of the more vulnerable 
  locations near the waterfront and shoreline.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

CTZ009-250300-
/O.NEW.KOKX.CF.S.0023.210725T0300Z-210725T0600Z/
Southern Fairfield-
433 AM EDT Sat Jul 24 2021

* WHAT...Up to one half foot of inundation above ground level 
  expected in vulnerable areas near the waterfront and shoreline.

* WHERE...Southern Fairfield County.

* WHEN...From this evening through late tonight.

* IMPACTS...Brief minor flooding of the more vulnerable 
  locations near the waterfront and shoreline.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/nyc
1 follow-up statement
655 
WHUS41 KOKX 242026
CFWOKX

Coastal Hazard Message
National Weather Service New York NY
426 PM EDT Sat Jul 24 2021

NYZ178-179-250600-
/O.NEW.KOKX.RP.S.0012.210725T1000Z-210726T0100Z/
/O.CON.KOKX.CF.S.0023.210725T0000Z-210725T0300Z/
Southern Queens-Southern Nassau-
426 PM EDT Sat Jul 24 2021

...HIGH RIP CURRENT RISK IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

* WHAT...For the High Rip Current Risk, dangerous rip currents 
  expected. For isolated minor coastal flooding, up to one half
  foot of inundation above ground level expected in vulnerable 
  areas near the waterfront and shoreline.

* WHERE...Southern Queens and Southern Nassau Counties.

* WHEN...For the High Rip Current Risk, from Sunday morning 
  through Sunday evening. For the isolated minor coastal flooding,
  from 8 PM to 11 PM EDT this evening.

* IMPACTS...Brief minor flooding of the more vulnerable 
  locations near the waterfront and shoreline. Life-threatening
  rip currents are likely for all people entering the surf zone.
  Anyone visiting the beaches should stay out of the surf. Rip 
  currents can sweep even the best swimmers away from shore into
  deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

If you enter the surf zone, always have a flotation device with
you and swim near a lifeguard. If caught in a rip current, relax
and float, and do not swim against the current. If able, swim in
a direction following the shoreline. If unable to escape, face
the shore and yell or wave for help.

&&

$$

NYZ075-080-081-250600-
/O.NEW.KOKX.RP.S.0012.210725T1000Z-210726T0100Z/
Kings (Brooklyn)-Southwest Suffolk-Southeast Suffolk-
426 PM EDT Sat Jul 24 2021

...HIGH RIP CURRENT RISK IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...Kings (Brooklyn), Southwest Suffolk and Southeast 
  Suffolk Counties.

* WHEN...From Sunday morning through Sunday evening.

* IMPACTS...Life-threatening rip currents are likely for all 
  people entering the surf zone. Anyone visiting the beaches 
  should stay out of the surf. Rip currents can sweep even the 
  best swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you enter the surf zone, always have a flotation device with
you and swim near a lifeguard. If caught in a rip current, relax
and float, and do not swim against the current. If able, swim in
a direction following the shoreline. If unable to escape, face
the shore and yell or wave for help.

&&

$$

CTZ009-250600-
/O.CON.KOKX.CF.S.0023.210725T0300Z-210725T0600Z/
Southern Fairfield-
426 PM EDT Sat Jul 24 2021

* WHAT...Up to one half foot of inundation above ground level 
  expected in vulnerable areas near the waterfront and shoreline.

* WHERE...Southern Fairfield County.

* WHEN...From 11 PM this evening to 2 AM EDT Sunday.

* IMPACTS...Brief minor flooding of the more vulnerable locations
  near the waterfront and shoreline. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/nyc

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 3:39 AM EDTSmall Craft AdvisoryOKX60 hr
Jul 24, 4:26 PM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk29 hr

Nearby

Coastal Flood Statements in New York, 2021Coastal Flood Statements in Connecticut, 2021Every coastal flood 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.