Alert archive / Connecticut / Areal Flood Advisories in 2021

Areal Flood Advisory 2, NWS New York, NY

March 28, 2021Suffolk County, New York; Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this areal flood advisory at Mar 28, 2021, 12:13 PM EDT for Suffolk County, New York; Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Mar 28, 2021, 12:13 PM EDT (16:13 UTC)
Expired: Mar 28, 2021, 2:15 PM EDT
In force: 2 hr
Issued by: NWS New York, NY
Area: Storm-based polygon

Counties Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 59 km from the middle of the area, began a volume at 16:14 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, 4.2 hours before the alert went out and 59 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 285 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 areal flood advisory 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 areal flood advisory went out at Mar 28, 7:33 AM EDT, 4 hours 40 minutes earlier.

Area forecast discussion, Mar 28, 7:33 AM EDT, 4 hours 40 minutes before

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Hazardous weather outlook, Mar 28, 4:21 AM EDT, 7 hours 52 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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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
Mar 28, 3:54 AM EDT	Wind Advisory	OKX	Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more	34 hr
Mar 28, 3:58 AM EDT	Gale Warning	OKX		34 hr
Mar 28, 1:48 PM EDT	Marine Dense Fog Advisory	OKX		8 hr
Mar 28, 4:41 PM EDT	Dense Fog Advisory	OKX	Nassau, Suffolk	4 hr
Mar 28, 5:56 PM EDT	Special Weather Statement	OKX	Orange	64 min
Mar 28, 6:30 PM EDT	Special Weather Statement	OKX	Orange	60 min
Mar 28, 6:47 PM EDT	Special Weather Statement	OKX	Richmond	58 min
Mar 28, 7:08 PM EDT	Special Marine Warning	OKX		97 min
Mar 28, 7:14 PM EDT	Severe Thunderstorm Warning	OKX	Kings, New York, Richmond	49 min
Mar 28, 7:26 PM EDT	Special Weather Statement	OKX	Rockland, Westchester	49 min
Mar 28, 7:55 PM EDT	Special Weather Statement	OKX	Bronx, Nassau, Queens	50 min

Nearby

Areal Flood Advisories in Connecticut, 2021 Areal Flood Advisories in New York, 2021 Every areal flood advisory 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.