Alert archive / New York / Special Weather Statements in 2010

Special Weather Statement, NWS New York, NY

July 21, 2010Rockland County, Westchester County, New York

NWS New York, NY issued this special weather statement at Jul 21, 2010, 9:13 PM EDT for Rockland County, Westchester County, New York. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 21, 2010, 9:13 PM EDT (01:13 UTC)
Expired: Jul 21, 2010, 10:00 PM EDT
In force: 47 min
Issued by: NWS New York, NY

Counties Rockland County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 62 km from the middle of the area, began a volume at 01:13 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, 1.2 hours before the alert went out and 62 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: 1730 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 789 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 224 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 11.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather 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 special weather statement went out at Jul 21, 8:11 PM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, Jul 21, 8:11 PM EDT, 1 hour 2 minutes before

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Hazardous weather outlook, Jul 21, 8:49 PM EDT, 24 minutes before

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In the hours before

Local storm report, Jul 21, 8:12 PM EDT, 1 hour 1 minute before

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Local storm report, Jul 21, 8:14 PM EDT, 59 minutes before

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Local storm report, Jul 21, 8:20 PM EDT, 53 minutes before

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Local storm report, Jul 21, 8:26 PM EDT, 47 minutes before

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Local storm report, Jul 21, 8:28 PM EDT, 45 minutes before

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Special weather statement, Jul 21, 9:13 PM EDT, 0 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
Jul 21, 8:05 PM EDT	Severe Thunderstorm Warning	OKX	Suffolk	40 min
Jul 21, 8:08 PM EDT	Areal Flood Advisory	OKX	Rockland, Westchester	82 min
Jul 21, 8:12 PM EDT	Severe Thunderstorm Warning	OKX	Rockland, Westchester	33 min
Jul 21, 8:13 PM EDT	Special Marine Warning	OKX		32 min
Jul 21, 8:33 PM EDT	Special Marine Warning	OKX		42 min
Jul 21, 8:42 PM EDT	Special Marine Warning	OKX		48 min
Jul 21, 8:46 PM EDT	Special Marine Warning	OKX		59 min
Jul 21, 9:00 PM EDT	Special Marine Warning	OKX		45 min
Jul 21, 9:08 PM EDT	Areal Flood Advisory	OKX	Nassau, Suffolk	52 min
Jul 21, 9:10 PM EDT	Special Marine Warning	OKX		35 min
Jul 21, 9:41 PM EDT	Areal Flood Advisory	OKX	Orange, Putnam, Rockland, Westchester	39 min
Jul 21, 9:49 PM EDT	Special Marine Warning	OKX		26 min
Jul 21, 10:21 PM EDT	Special Marine Warning	OKX		54 min
Jul 21, 10:23 PM EDT	Special Marine Warning	OKX		67 min
Jul 22, 5:46 PM EDT	Coastal Flood Statement	OKX	Kings, Suffolk	27 hr

Nearby

Special Weather Statements in New York, 2010 Special Weather Statements in Connecticut, 2010 Every special weather statement in 2010

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.