Alert archive / Connecticut / Freezing Rain Advisories in 2011

Freezing Rain Advisory 3, NWS New York, NY

February 27, 2011Orange County, Putnam County, New York; Passaic County, New Jersey; 4 counties in Connecticut

NWS New York, NY issued this freezing rain advisory at Feb 27, 2011, 3:40 PM EST for Orange County, Putnam County, New York; Passaic County, New Jersey; 4 counties in Connecticut. It took effect at Feb 28, 2011, 2:00 AM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Feb 27, 2011, 3:40 PM EST (20:40 UTC)
In effect from: Feb 28, 2011, 2:00 AM EST
Expired: Feb 28, 2011, 9:00 AM EST
In force: 7 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, Passaic County, NJ, Orange County, NY, Putnam County, NY

The radar

The Brookhaven radar (KOKX), 68 km from the middle of the area, began a volume at 20:41 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, 8.7 hours before the alert went out and 68 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: 452 m above ground
0-6 km bulk shear: 92 kt
0-1 km storm-relative helicity: 338 m²/s²
0-3 km storm-relative helicity: 367 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 freezing rain 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 freezing rain advisory went out at Feb 27, 3:28 PM EST, 12 minutes earlier.

Area forecast discussion, Feb 27, 3:28 PM EST, 12 minutes before

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Hazardous weather outlook, Feb 27, 5:18 AM EST, 10 hours 22 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
Feb 27, 4:14 AM EST	Gale Watch	OKX		12 hr
Feb 27, 4:10 PM EST	Gale Warning	OKX		38 hr
Feb 27, 4:10 PM EST	Small Craft Advisory	OKX		12 hr
Feb 27, 4:21 PM EST	Flood Watch	OKX	Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more	23 hr

Nearby

Freezing Rain Advisories in Connecticut, 2011 Freezing Rain Advisories in New York, 2011 Freezing Rain Advisories in New Jersey, 2011 Every freezing rain advisory in 2011

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.