Alert archive / Connecticut / Freeze Warnings in 2013

Freeze Warning 5, NWS New York, NY

October 25, 2013Orange County, Putnam County, New York; Passaic County, New Jersey; 4 counties in Connecticut

NWS New York, NY issued this freeze warning at Oct 25, 2013, 3:16 PM EDT for Orange County, Putnam County, New York; Passaic County, New Jersey; 4 counties in Connecticut. It took effect at Oct 26, 2013, 4:00 AM EDT. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 25, 2013, 3:16 PM EDT (19:16 UTC)
In effect from: Oct 26, 2013, 4:00 AM EDT
Expired: Oct 26, 2013, 9:00 AM EDT
In force: 5 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 19:18 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

Chatham, MA (KCHH), launched 12:00Z, 7.3 hours before the alert went out and 281 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: 959 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: 5 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 freeze warning 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 freeze warning went out at Oct 25, 2:01 PM EDT, 1 hour 15 minutes earlier.

Area forecast discussion, Oct 25, 2:01 PM EDT, 1 hour 15 minutes before

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Hazardous weather outlook, Oct 25, 4:15 AM EDT, 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
Oct 25, 3:52 AM EDT	Frost Advisory	OKX	Rockland, Westchester	29 hr
Oct 25, 3:52 AM EDT	Freeze Watch	OKX	Orange, Putnam	11 hr
Oct 25, 3:15 PM EDT	Gale Watch	OKX		13 hr
Oct 25, 6:09 PM EDT	Small Craft Advisory	OKX		48 hr

Nearby

Freeze Warnings in Connecticut, 2013 Freeze Warnings in New York, 2013 Freeze Warnings in New Jersey, 2013 Every freeze warning in 2013

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.