Alert archive / New York / Heat Advisories in 2016

Heat Advisory 5, NWS New York, NY

July 24, 201611 counties in New York; 5 counties in New Jersey; 4 counties in Connecticut

NWS New York, NY issued this heat advisory at Jul 24, 2016, 3:27 AM EDT for 11 counties in New York; 5 counties in New Jersey; 4 counties in Connecticut. It took effect at Jul 25, 2016, 11:00 AM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jul 24, 2016, 3:27 AM EDT (07:27 UTC)
In effect from: Jul 25, 2016, 11:00 AM EDT
Expired: Jul 25, 2016, 6:25 PM EDT
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, 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 07:30 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 00:00Z, 7.5 hours before the alert went out and 71 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: 166 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 2752 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat 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 heat advisory went out at Jul 24, 1:17 AM EDT, 2 hours 10 minutes earlier.

Area forecast discussion, Jul 24, 1:17 AM EDT, 2 hours 10 minutes before

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Hazardous weather outlook, Jul 24, 3:18 AM EDT, 9 minutes before

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Nearby

Heat Advisories in New York, 2016 Heat Advisories in New Jersey, 2016 Heat Advisories in Connecticut, 2016 Every heat advisory in 2016

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.