Alert archive / New Jersey / Frost Advisories in 2019

Frost Advisory 4, NWS New York, NY

November 1, 2019Suffolk County, Westchester County, New York; 4 counties in New Jersey; Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this frost advisory at Nov 1, 2019, 3:43 PM EDT for Suffolk County, Westchester County, New York; 4 counties in New Jersey; Greater Bridgeport Planning Region, Connecticut. It took effect at Nov 2, 2019, 12:00 AM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Nov 1, 2019, 3:43 PM EDT (19:43 UTC)
In effect from: Nov 2, 2019, 12:00 AM EDT
Expired: Nov 2, 2019, 10:00 AM EDT
In force: 10 hr
Issued by: NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Bergen County, NJ, Essex County, NJ, Passaic County, NJ, Union County, NJ, Suffolk County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 79 km from the middle of the area, began a volume at 19:41 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, 7.7 hours before the alert went out and 79 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: 1329 m above ground
0-6 km bulk shear: 103 kt
0-1 km storm-relative helicity: -464 m²/s²
0-3 km storm-relative helicity: -366 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 frost 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 frost advisory went out at Nov 1, 1:35 PM EDT, 2 hours 8 minutes earlier.

Area forecast discussion, Nov 1, 1:35 PM EDT, 2 hours 8 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Nov 1, 12:02 PM EDT, 3 hours 41 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Local storm report, Nov 1, 11:25 AM EDT, 4 hours 18 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Nov 1, 1:06 PM EDT, 2 hours 37 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS New York, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 31, 10:33 PM EDT	Special Weather Statement	OKX	Orange	57 min
Oct 31, 10:54 PM EDT	Severe Thunderstorm Warning	OKX	Orange	66 min
Oct 31, 11:18 PM EDT	Areal Flood Advisory	OKX	Orange	87 min
Oct 31, 11:29 PM EDT	Special Weather Statement	OKX	Putnam, Rockland, Westchester	91 min
Oct 31, 11:34 PM EDT	Severe Thunderstorm Warning	OKX	Orange, Putnam, Rockland, Westchester	56 min
Oct 31, 11:40 PM EDT	Special Weather Statement	OKX	Bronx, Kings, Nassau, New York, Queens, Richmond and 1 more	65 min
Oct 31, 11:55 PM EDT	Severe Thunderstorm Warning	OKX	Orange	54 min
Nov 1, 12:28 AM EDT	Severe Thunderstorm Warning	OKX	Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more	62 min
Nov 1, 12:56 AM EDT	Special Marine Warning	OKX		64 min
Nov 1, 1:06 AM EDT	Special Marine Warning	OKX		39 min
Nov 1, 1:17 AM EDT	Special Weather Statement	OKX	Nassau	43 min
Nov 1, 1:40 AM EDT	Special Weather Statement	OKX	Suffolk	50 min
Nov 1, 2:17 AM EDT	Special Weather Statement	OKX	Suffolk	43 min
Nov 1, 11:54 AM EDT	Small Craft Advisory	OKX		20 hr
Nov 1, 3:43 PM EDT	Freeze Warning	OKX	Putnam, Rockland, Suffolk, Westchester	18 hr

Nearby

Frost Advisories in New Jersey, 2019 Frost Advisories in New York, 2019 Frost Advisories in Connecticut, 2019 Every frost advisory in 2019

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.