Alert archive / New Mexico / Flash Flood Warnings in 1999

Flash Flood Warning 10, NWS Albuquerque, NM

May 21, 1999Chaves County, New Mexico

NWS Albuquerque, NM issued this flash flood warning at May 21, 1999, 8:45 PM MDT for Chaves County, New Mexico. 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 21, 1999, 8:45 PM MDT (02:45 UTC)
Expired: May 21, 1999, 11:10 PM MDT
In force: 2 hr
Issued by: NWS Albuquerque, NM
Area: Whole counties

County Chaves County, NM

The radar

The Holloman AFB radar (KHDX), 157 km from the middle of the area, began a volume at 02:47 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

Midland Regional, TX (KMAF), launched 00:00Z, 2.8 hours before the alert went out and 264 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: 1120 J/kg
Mixed-layer CIN: -160 J/kg
Mixed-layer LCL: 1907 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: -31 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

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

Local storm report, May 21, 8:00 PM MDT, 45 minutes before

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Local storm report, May 21, 8:23 PM MDT, 22 minutes before

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<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.
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The office that day

Everything else NWS Albuquerque, NM issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 21, 7:47 PM MDT	Severe Thunderstorm Warning	ABQ	Chaves	58 min
May 21, 8:50 PM MDT	Severe Thunderstorm Warning	ABQ	Chaves, Roosevelt	45 min
May 22, 3:04 PM MDT	Severe Thunderstorm Warning	ABQ	Guadalupe	46 min
May 22, 3:48 PM MDT	Severe Thunderstorm Warning	ABQ	Lincoln	62 min
May 22, 4:17 PM MDT	Severe Thunderstorm Warning	ABQ	Chaves	63 min
May 22, 5:18 PM MDT	Severe Thunderstorm Warning	ABQ	Chaves	32 min
May 22, 5:36 PM MDT	Severe Thunderstorm Warning	ABQ	Union	14 min

Nearby

Flash Flood Warnings in New Mexico, 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.