Alert archive / New York / Winter Storm Watches in 2012

Winter Storm Watch 1, NWS New York, NY

January 20, 20124 counties in New York; Bergen County, Essex County, Passaic County, New Jersey; Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this winter storm watch at Jan 20, 2012, 3:41 AM EST for 4 counties in New York; Bergen County, Essex County, Passaic County, New Jersey; Greater Bridgeport Planning Region, Connecticut. It took effect at Jan 21, 2012, 1:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 20, 2012, 3:41 AM EST (08:41 UTC)
In effect from: Jan 21, 2012, 1:00 AM EST
Expired: Jan 20, 2012, 3:43 PM EST
In force
Issued by: NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Bergen County, NJ, Essex County, NJ, Passaic County, NJ, Orange County, NY, Putnam County, NY, Rockland County, NY, Westchester County, NY

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 8.7 hours before the alert went out and 172 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: 1246 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 345 m²/s²
0-3 km storm-relative helicity: 474 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 winter storm watch 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 winter storm watch went out at Jan 19, 9:53 PM EST, 5 hours 48 minutes earlier.

Area forecast discussion, Jan 19, 9:53 PM EST, 5 hours 48 minutes before

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Hazardous weather outlook, Jan 20, 3:41 AM EST, 0 minutes before

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In the hours before

Special weather statement, Jan 20, 12:08 AM EST, 3 hours 33 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
Jan 20, 3:41 AM EST	Winter Weather Advisory	OKX	Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more	36 hr
Jan 20, 4:16 PM EST	Small Craft Advisory	OKX		4 days

Nearby

Winter Storm Watches in New York, 2012 Winter Storm Watches in New Jersey, 2012 Winter Storm Watches in Connecticut, 2012 Every winter storm watch in 2012

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.