Alert archive / New York / Coastal Flood Statements in 2018

Coastal Flood Statement 20, NWS New York, NY

July 11, 2018Nassau County, Queens County, New York

NWS New York, NY issued this coastal flood statement at Jul 11, 2018, 3:41 AM EDT for Nassau County, Queens County, New York. It took effect at Jul 11, 2018, 6:00 PM EDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 11, 2018, 3:41 AM EDT (07:41 UTC)
In effect from
Jul 11, 2018, 6:00 PM EDT
Expired
Jul 11, 2018, 9:00 PM EDT
In force
3 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 07:42 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, 7.7 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 00:00Z on 2018-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 2018-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.193958Sfc1 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
15 J/kg
Mixed-layer CIN
-307 J/kg
Mixed-layer LCL
1794 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 8:06 PM EDTSpecial Weather StatementOKXPassaic39 min
Jul 11, 4:35 AM EDTSpecial Weather StatementOKX85 min
Jul 11, 5:24 AM EDTSpecial Weather StatementOKX36 min

Nearby

Coastal Flood Statements in New York, 2018Every coastal flood statement in 2018

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.