Alert archive / Connecticut / Flash Flood Warnings in 1999

Flash Flood Warning 29, NWS New York, NY

May 24, 1999Lower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this flash flood warning at May 24, 1999, 4:37 PM EDT for Lower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut. It was in force for 2 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: May 24, 1999, 4:37 PM EDT (20:37 UTC)
Expired: May 24, 1999, 6:40 PM EDT
In force: 2 hr
Issued by: NWS New York, NY
Area: Whole counties

Counties Lower Connecticut River Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT

The radar

The Brookhaven radar (KOKX), 83 km from the middle of the area, began a volume at 20:40 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, 8.6 hours before the alert went out and 83 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 677 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 24, 1:10 PM EDT, 3 hours 27 minutes before

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Special weather statement, May 24, 1:10 PM EDT, 3 hours 27 minutes before

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Special weather statement, May 24, 3:00 PM EDT, 1 hour 37 minutes before

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Special weather statement, May 24, 3:00 PM EDT, 1 hour 37 minutes before

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<html lang="en">
<head>
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  <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.
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      <p id="message2">
        Please try again in a few minutes.
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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
May 24, 10:34 AM EDT	Severe Thunderstorm Warning	OKX	Richmond	61 min
May 24, 10:58 AM EDT	Severe Thunderstorm Warning	OKX	Westchester	62 min
May 24, 10:58 AM EDT	Severe Thunderstorm Warning	OKX	Bronx, New York	62 min
May 24, 10:58 AM EDT	Severe Thunderstorm Warning	OKX	Kings, Queens	62 min
May 24, 10:34 AM EDT	Severe Thunderstorm Warning	OKX	Essex, Hudson, Union	61 min

Nearby

Flash Flood Warnings in Connecticut, 1999 Every flash flood warning in 1999

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.