Alert archive / New York / High Surf Advisories in 2009

High Surf Advisory 1, NWS New York, NY

August 21, 2009Kings County, Suffolk County, New York

NWS New York, NY issued this high surf advisory at Aug 21, 2009, 12:35 PM EDT for Kings County, Suffolk County, New York. It took effect at Aug 21, 2009, 3:46 PM EDT. It was in force for 55 hr.

The area

The counties it named.

The facts

Issued: Aug 21, 2009, 12:35 PM EDT (16:35 UTC)
In effect from: Aug 21, 2009, 3:46 PM EDT
Expired: Aug 23, 2009, 11:02 PM EDT
In force: 55 hr
Issued by: NWS New York, NY

Counties Kings County, NY, Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 39 km from the middle of the area, began a volume at 16:35 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, 4.6 hours before the alert went out and 39 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: 2197 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 740 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 7.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high surf 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 high surf advisory went out at Aug 21, 7:52 AM EDT, 4 hours 43 minutes earlier.

Area forecast discussion, Aug 21, 7:52 AM EDT, 4 hours 43 minutes before

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Hazardous weather outlook, Aug 21, 11:30 AM EDT, 1 hour 5 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 21, 4:38 AM EDT	Coastal Flood Statement	OKX	Kings, Suffolk	8 hr
Aug 21, 12:35 PM EDT	Coastal Flood Advisory	OKX	Kings, New York, Richmond, Suffolk	48 hr
Aug 21, 2:37 PM EDT	Severe Thunderstorm Warning	OKX	Orange	38 min
Aug 21, 3:08 PM EDT	Tornado Warning	OKX	Orange	22 min
Aug 21, 3:20 PM EDT	Areal Flood Advisory	OKX	Orange	115 min
Aug 21, 3:36 PM EDT	Severe Thunderstorm Warning	OKX	Putnam	28 min
Aug 21, 3:37 PM EDT	Flash Flood Watch	OKX	Bronx, Kings, New York, Orange, Putnam, Richmond and 2 more	36 hr
Aug 21, 3:48 PM EDT	Severe Thunderstorm Warning	OKX	Rockland	27 min
Aug 21, 4:09 PM EDT	Severe Thunderstorm Warning	OKX	Putnam, Westchester	66 min
Aug 21, 4:15 PM EDT	Special Marine Warning	OKX		90 min
Aug 21, 4:51 PM EDT	Areal Flood Advisory	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	114 min
Aug 21, 4:57 PM EDT	Flash Flood Warning	OKX	Greater Bridgeport Planning Region, Naugatuck Valley Planning Region	90 min

Nearby

High Surf Advisories in New York, 2009 Every high surf advisory in 2009

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.