Alert archive / Connecticut / Coastal Flood Statements in 2021

Coastal Flood Statement 8, NWS New York, NY

February 28, 2021Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this coastal flood statement at Feb 28, 2021, 12:58 PM EST for Greater Bridgeport Planning Region, Connecticut. It took effect at Feb 28, 2021, 11:00 PM EST. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Feb 28, 2021, 12:58 PM EST (17:58 UTC)
In effect from
Feb 28, 2021, 11:00 PM EST
Expired
Mar 1, 2021, 1:00 AM EST
In force
2 hr
Issued by
NWS New York, NY

County Greater Bridgeport Planning Region, CT

The radar

The Brookhaven radar (KOKX), 52 km from the middle of the area, began a volume at 17:57 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, 6.0 hours before the alert went out and 52 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 2021-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1066 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

739 
WHUS41 KOKX 281758
CFWOKX

Coastal Hazard Message
National Weather Service Upton NY
1258 PM EST Sun Feb 28 2021

CTZ009-010600-
/O.NEW.KOKX.CF.S.0008.210301T0400Z-210301T0600Z/
Southern Fairfield-
1258 PM EST Sun Feb 28 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 EST this evening to 1 AM EST 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.

&&

$$

NYZ178-179-011000-
/O.NEW.KOKX.CF.S.0009.210301T1300Z-210301T1600Z/
Southern Queens-Southern Nassau-
1258 PM EST Sun Feb 28 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...Monday morning from 8 AM EST TO 11 AM EST.

* 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
Feb 28, 3:38 PM ESTWind AdvisoryOKXGreater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region47 hr

Nearby

Coastal 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; radar from the NEXRAD Level II archive.