Alert archive / New York / Winter Storm Watches in 2017

Winter Storm Watch 1, NWS New York, NY

January 6, 2017Suffolk County, New York; Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this winter storm watch at Jan 6, 2017, 4:03 AM EST for Suffolk County, New York; Southeastern Connecticut Planning Region, Connecticut. It took effect at Jan 7, 2017, 7:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 6, 2017, 4:03 AM EST (09:03 UTC)
In effect from: Jan 7, 2017, 7:00 AM EST
Expired: Jan 6, 2017, 3:22 PM EST
In force
Issued by: NWS New York, NY

Counties Southeastern Connecticut Planning Region, CT, Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 56 km from the middle of the area, began a volume at 09:01 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, 9.1 hours before the alert went out and 202 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: 1575 m above ground
0-6 km bulk shear: 97 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 104 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 6, 1:19 AM EST, 2 hours 44 minutes earlier.

Area forecast discussion, Jan 6, 1:19 AM EST, 2 hours 44 minutes before

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Hazardous weather outlook, Jan 5, 4:01 PM EST, 12 hours 2 minutes before

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In the hours before

Special weather statement, Jan 6, 2:00 AM EST, 2 hours 3 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 6, 4:46 AM EST	Special Weather Statement	OKX	Suffolk	89 min
Jan 6, 10:28 AM EST	Small Craft Advisory	OKX		68 hr
Jan 6, 3:22 PM EST	Winter Storm Warning	OKX	Kings, Nassau, Queens, Suffolk	33 hr
Jan 6, 3:22 PM EST	Winter Weather Advisory	OKX	Bronx, Kings, Nassau, New York, Queens, Richmond and 2 more	343 days
Jan 6, 7:03 AM EST	Special Weather Statement	OKX		87 min

Nearby

Winter Storm Watches in New York, 2017 Winter Storm Watches in Connecticut, 2017 Every winter storm watch in 2017

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.