Alert archive / New York / Coastal Flood Statements in 2017

Coastal Flood Statement 20, NWS New York, NY

July 23, 2017Suffolk County, New York

NWS New York, NY issued this coastal flood statement at Jul 23, 2017, 4:19 AM EDT for Suffolk County, New York. It took effect at Jul 23, 2017, 10:00 PM EDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 23, 2017, 4:19 AM EDT (08:19 UTC)
In effect from
Jul 23, 2017, 10:00 PM EDT
Expired
Jul 24, 2017, 1:00 AM EDT
In force
3 hr
Issued by
NWS New York, NY

County Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 17 km from the middle of the area, began a volume at 08:21 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, 8.3 hours before the alert went out and 17 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 2017-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 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 2017-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
35 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
1350 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal flood statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New York, NY wrote its last area forecast discussion before this coastal flood statement went out at Jul 23, 3:48 AM EDT, 31 minutes earlier.

Area forecast discussion, Jul 23, 3:48 AM EDT, 31 minutes before
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Hazardous weather outlook, Jul 22, 6:30 PM EDT, 9 hours 49 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 11:40 PM EDTAreal Flood AdvisoryOKXKings, Queens, Richmond2 hr
Jul 23, 12:26 AM EDTAreal Flood AdvisoryOKXBronx, Nassau, New York, Queens2 hr
Jul 23, 1:09 AM EDTAreal Flood AdvisoryOKXNassau, Suffolk2 hr
Jul 23, 4:19 AM EDTCoastal Flood AdvisoryOKXBronx, Kings, Nassau, Queens, Richmond, Westchester22 hr
Jul 23, 3:41 PM EDTFlash Flood WatchOKXBronx, Kings, Nassau, New York, Orange, Queens and 4 more15 hr
Jul 23, 3:43 PM EDTSmall Craft AdvisoryOKX46 hr
Jul 23, 5:29 PM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk52 hr

Nearby

Coastal Flood Statements in New York, 2017Every coastal flood statement in 2017

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.