Alert archive / New York / Coastal Flood Statements in 2021

Coastal Flood Statement 42, NWS New York, NY

December 5, 2021Nassau County, Queens County, New York

NWS New York, NY issued this coastal flood statement at Dec 5, 2021, 3:46 PM EST for Nassau County, Queens County, New York. It took effect at Dec 6, 2021, 7:00 AM EST. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 5, 2021, 3:46 PM EST (20:46 UTC)
In effect from
Dec 6, 2021, 7:00 AM EST
Expired
Dec 6, 2021, 11:00 AM EST
In force
4 hr
Issued by
NWS New York, NY

Counties Nassau County, NY, Queens County, NY

The radar

The Brookhaven radar (KOKX), 74 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 74 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 2021-12-05Temperature 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 2021-12-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -165 square meters per square second.1939587897Sfc1 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
1765 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
-165 m²/s²
0-3 km storm-relative helicity
-94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

858 
WHUS41 KOKX 052046
CFWOKX

Coastal Hazard Message
National Weather Service New York NY
346 PM EST Sun Dec 5 2021

NYZ178-179-060915-
/O.NEW.KOKX.CF.S.0042.211206T1200Z-211206T1600Z/
Southern Queens-Southern Nassau-
346 PM EST Sun Dec 5 2021

...COASTAL FLOOD STATEMENT IN EFFECT MONDAY MORNING...

* WHAT...Up to one 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 around the times of high tide.

* 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
079 
WHUS41 KOKX 060928
CFWOKX

Coastal Hazard Message
National Weather Service New York NY
428 AM EST Mon Dec 6 2021

NYZ178-179-061600-
/O.CON.KOKX.CF.S.0042.211206T1200Z-211206T1600Z/
Southern Queens-Southern Nassau-
428 AM EST Mon Dec 6 2021

...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL 11 AM EST THIS
MORNING...

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

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

* WHEN...Until 11 AM EST this morning.

* 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
Dec 5, 3:43 AM ESTGale WarningOKX50 hr
Dec 5, 3:43 AM ESTSmall Craft AdvisoryOKX35 hr
Dec 5, 3:45 PM ESTSmall Craft AdvisoryOKX14 hr

Nearby

Coastal Flood Statements in New York, 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.