Alert archive / New Jersey / Areal Flood Warnings in 2012

Areal Flood Warning 4, NWS New York, NY

December 27, 2012Union County, New Jersey

NWS New York, NY issued this areal flood warning at Dec 27, 2012, 4:10 AM EST for Union County, New Jersey. It was in force for 6 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: Dec 27, 2012, 4:10 AM EST (09:10 UTC)
Expired: Dec 27, 2012, 10:15 AM EST
In force: 6 hr
Issued by: NWS New York, NY
Area: Storm-based polygon
Flood severity: None

County Union County, NJ

The radar

The Philadelphia radar (KDIX), 80 km from the middle of the area, began a volume at 09:11 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, 9.2 hours before the alert went out and 124 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: 442 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 413 m²/s²
0-3 km storm-relative helicity: 963 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 areal flood 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 areal flood warning went out at Dec 27, 12:50 AM EST, 3 hours 20 minutes earlier.

Area forecast discussion, Dec 27, 12:50 AM EST, 3 hours 20 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, Dec 27, 2:01 AM EST, 2 hours 9 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, Dec 26, 10:11 PM EST, 5 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NEW YORK NY
1011 PM EST WED DEC 26 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0750 PM     NON-TSTM WND GST EATONS NECK             40.95N  73.39W
12/26/2012  M60 MPH          SUFFOLK            NY   MESONET

            WEATHER FLOW

0903 PM     NON-TSTM WND DMG MANHATTAN               40.78N  73.97W
12/26/2012                   NEW YORK           NY   EMERGENCY MNGR

            COMPROMISED LIGHT POLE HANGING OVER HARLEM RIVER DRIVE

0903 PM     NON-TSTM WND DMG MANHATTAN               40.78N  73.97W
12/26/2012                   NEW YORK           NY   EMERGENCY MNGR

            20 FOOT SECTION OF 1 STORY SCAFFOLD COLLAPSE 275
            CONVENT AVE.

0941 PM     NON-TSTM WND DMG NEWARK                  40.72N  74.17W
12/26/2012                   ESSEX              NJ   BROADCAST MEDIA

            WIRES DOWN ON ROADWAY MORTON STREET.

&&

TFM

Local storm report, Dec 27, 12:30 AM EST, 3 hours 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1230 AM EST THU DEC 27 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1209 AM     NON-TSTM WND DMG COLCHESTER              41.57N  72.33W
12/27/2012                   NEW LONDON         CT   AMATEUR RADIO

            TREE DOWN ON POWER LINES

&&

AL

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 27, 1:58 AM EST	Areal Flood Advisory	OKX	Bronx, Kings, New York, Queens, Richmond	2 hr
Dec 27, 5:24 AM EST	Gale Warning	OKX		23 hr
Dec 27, 5:24 AM EST	Small Craft Advisory	OKX		34 hr

Nearby

Areal Flood Warnings in New Jersey, 2012 Every areal flood warning 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; radar from the NEXRAD Level II archive.