Alert archive / New York / Flash Flood Warnings in 2024

Flash Flood Warning 12, NWS New York, NY

August 6, 2024Suffolk County, New York

NWS New York, NY issued this flash flood warning at Aug 6, 2024, 12:18 PM EDT for Suffolk County, New York. It was in force for 72 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 6, 2024, 12:18 PM EDT (16:18 UTC)
Expired: Aug 6, 2024, 1:30 PM EDT
In force: 72 min
Issued by: NWS New York, NY
Area: Storm-based polygon
Flood severity: None

County Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 17 km from the middle of the area, began a volume at 16:20 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, 4.3 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1440 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 797 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 flash flood warning went out at Aug 6, 11:10 AM EDT, 1 hour 8 minutes earlier.

Area forecast discussion, Aug 6, 11:10 AM EDT, 1 hour 8 minutes before

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Hazardous weather outlook, Aug 6, 4:30 AM EDT, 7 hours 48 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 12:41 PM EDT	Areal Flood Advisory	OKX	Suffolk	44 min
Aug 6, 2:10 PM EDT	Areal Flood Advisory	OKX	Suffolk	33 min
Aug 6, 2:24 PM EDT	Areal Flood Advisory	OKX	Kings, Nassau, New York, Queens	61 min
Aug 6, 2:43 PM EDT	Flash Flood Warning	OKX	Suffolk	75 min
Aug 6, 3:27 PM EDT	Areal Flood Advisory	OKX	Nassau, Suffolk	93 min
Aug 6, 3:32 PM EDT	Severe Thunderstorm Warning	OKX	Nassau, Suffolk	43 min
Aug 6, 3:34 PM EDT	Special Marine Warning	OKX		56 min
Aug 6, 4:23 PM EDT	Special Weather Statement	OKX	Nassau	52 min
Aug 6, 4:29 PM EDT	Special Marine Warning	OKX		46 min
Aug 6, 4:33 PM EDT	Special Marine Warning	OKX		57 min
Aug 6, 4:40 PM EDT	Areal Flood Advisory	OKX	Bronx, Nassau, New York, Westchester	18 min
Aug 6, 4:47 PM EDT	Special Weather Statement	OKX	Bronx, New York	43 min
Aug 6, 4:53 PM EDT	Severe Thunderstorm Warning	OKX	Bronx, New York, Westchester	67 min
Aug 6, 4:58 PM EDT	Flash Flood Warning	OKX	Bronx, Nassau, New York, Westchester	5 hr
Aug 6, 5:45 PM EDT	Areal Flood Advisory	OKX	Rockland, Westchester	4 hr
Aug 6, 5:56 PM EDT	Areal Flood Advisory	OKX	Nassau, Queens	3 hr
Aug 6, 6:16 PM EDT	Areal Flood Advisory	OKX	Orange, Rockland	3 hr
Aug 6, 6:40 PM EDT	Flash Flood Warning	OKX	Nassau, Suffolk	3 hr
Aug 6, 7:03 PM EDT	Areal Flood Advisory	OKX	Putnam, Rockland, Westchester	3 hr
Aug 6, 7:30 PM EDT	Areal Flood Advisory	OKX	Richmond	2 hr
Aug 6, 5:17 PM EDT	Severe Thunderstorm Warning	OKX	Essex, Union	43 min
Aug 6, 5:25 PM EDT	Areal Flood Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	2 hr
Aug 6, 5:43 PM EDT	Flash Flood Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	4 hr
Aug 6, 6:03 PM EDT	Special Weather Statement	OKX	Bergen	42 min
Aug 6, 6:20 PM EDT	Special Weather Statement	OKX	Bergen	40 min
Aug 6, 6:23 PM EDT	Special Weather Statement	OKX	Passaic	52 min
Aug 6, 2:14 PM EDT	Areal Flood Advisory	OKX	Greater Bridgeport Planning Region, Naugatuck Valley Planning Region	109 min
Aug 6, 4:10 PM EDT	Special Weather Statement	OKX		50 min
Aug 6, 5:20 PM EDT	Special Weather Statement	OKX		40 min
Aug 6, 7:38 PM EDT	Special Weather Statement	OKX		52 min

Nearby

Flash Flood Warnings in New York, 2024 Every flash flood warning in 2024

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.