Alert archive / Texas / Flash Flood Warnings in 2015

Flash Flood Warning 164, NWS Fort Worth, TX

July 8, 2015Comanche County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jul 8, 2015, 1:30 AM CDT for Comanche County, Texas. It was in force for 10 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
Jul 8, 2015, 1:30 AM CDT (06:30 UTC)
Expired
Jul 8, 2015, 11:00 AM CDT
In force
10 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

County Comanche County, TX

The radar

The Dyess AFB radar (KDYX), 93 km from the middle of the area, began a volume at 06:30 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

Fort Worth, TX (KFWD), launched 00:00Z, 6.5 hours before the alert went out and 154 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-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2015-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 434 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2015-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
434 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1355 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
103 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Fort Worth, TX wrote its last area forecast discussion before this flash flood warning went out at Jul 7, 11:56 PM CDT, 1 hour 34 minutes earlier.

Area forecast discussion, Jul 7, 11:56 PM CDT, 1 hour 34 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, Jul 7, 3:30 PM CDT, 10 hours 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 Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 2:00 AM CDTAreal Flood AdvisoryFWDJack, Palo Pinto, Parker, Wise2 hr
Jul 8, 2:08 AM CDTAreal Flood AdvisoryFWDCooke, Montague112 min
Jul 8, 9:58 AM CDTRiver Flood WarningFWDWise3 days
Jul 8, 10:03 AM CDTAreal Flood AdvisoryFWDErath3 hr
Jul 8, 11:00 AM CDTFlash Flood WarningFWDComanche, Erath4 hr
Jul 8, 12:13 PM CDTAreal Flood AdvisoryFWDTarrant2 hr
Jul 8, 12:36 PM CDTAreal Flood AdvisoryFWDCollin, Denton114 min
Jul 8, 1:02 PM CDTAreal Flood AdvisoryFWDEastland118 min
Jul 8, 1:48 PM CDTRiver Flood WarningFWDComanche4 days
Jul 8, 1:48 PM CDTRiver Flood WarningFWDComanche25 hr
Jul 8, 3:02 PM CDTAreal Flood WarningFWDComanche3 hr
Jul 8, 3:33 PM CDTSpecial Weather StatementFWDLamar27 min

Nearby

Flash Flood Warnings in Texas, 2015Every flash flood warning in 2015

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.