Alert archive / New York / Coastal Flood Statements in 2020

Coastal Flood Statement 9, NWS New York, NY

March 23, 2020Nassau County, Westchester County, New York; Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this coastal flood statement at Mar 23, 2020, 3:37 PM EDT for Nassau County, Westchester County, New York; Greater Bridgeport Planning Region, Connecticut. It took effect at Mar 23, 2020, 11:00 PM EDT. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Mar 23, 2020, 3:37 PM EDT (19:37 UTC)
In effect from
Mar 23, 2020, 11:00 PM EDT
Expired
Mar 24, 2020, 1:00 AM EDT
In force
2 hr
Issued by
NWS New York, NY

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

The radar

The Brookhaven radar (KOKX), 59 km from the middle of the area, began a volume at 19:37 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

Chatham, MA (KCHH), launched 12:00Z, 7.6 hours before the alert went out and 305 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, Chatham, MA at 12:00Z on 2020-03-23Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2020-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -42 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
1032 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-42 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

Nearby

Coastal Flood Statements in New York, 2020Coastal Flood Statements in Connecticut, 2020Every coastal flood statement in 2020

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.