Alert archive / New York / Wind Chill Advisories in 2015

Wind Chill Advisory 5, NWS New York, NY

February 19, 201511 counties in New York; 5 counties in New Jersey; 4 counties in Connecticut

NWS New York, NY issued this wind chill advisory at Feb 19, 2015, 3:49 AM EST for 11 counties in New York; 5 counties in New Jersey; 4 counties in Connecticut. It took effect at Feb 20, 2015, 12:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Feb 19, 2015, 3:49 AM EST (08:49 UTC)
In effect from: Feb 20, 2015, 12:00 AM EST
Expired: Feb 20, 2015, 10:00 AM EST
In force: 10 hr
Issued by: NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Richmond County, NY, Rockland County, NY, Suffolk County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 71 km from the middle of the area, began a volume at 08:46 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

Albany, NY (KALY), launched 00:00Z, 8.8 hours before the alert went out and 187 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: 1693 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 215 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 wind chill 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 wind chill advisory went out at Feb 18, 6:56 PM EST, 8 hours 53 minutes earlier.

Area forecast discussion, Feb 18, 6:56 PM EST, 8 hours 53 minutes before

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Hazardous weather outlook, Feb 18, 4:48 PM EST, 11 hours 1 minute 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
Feb 19, 4:27 AM EST	Heavy Freezing Spray Warning	OKX		32 hr
Feb 19, 10:20 AM EST	Low Water Advisory	OKX		42 hr

Nearby

Wind Chill Advisories in New York, 2015 Wind Chill Advisories in New Jersey, 2015 Wind Chill Advisories in Connecticut, 2015 Every wind chill advisory in 2015

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.