Alert archive / Texas / Flash Flood Warnings in 2019

Flash Flood Warning 1, NWS Fort Worth, TX

April 17, 2019Cooke County, Denton County, Wise County, Texas

NWS Fort Worth, TX issued this flash flood warning at Apr 17, 2019, 10:56 PM CDT for Cooke County, Denton County, Wise County, Texas. It was in force for 3 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
Apr 17, 2019, 10:56 PM CDT (03:56 UTC)
Expired
Apr 18, 2019, 2:00 AM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

Counties Cooke County, TX, Denton County, TX, Wise County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 87 km from the middle of the area, began a volume at 03:59 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, 3.9 hours before the alert went out and 58 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 2019-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2665 joules per kilogram.LCLLFCEL10008507005003002001001 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 2019-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.1939587897Sfc1 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
2665 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1143 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
1.8
Supercell composite
11.1

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 Apr 17, 6:51 PM CDT, 4 hours 5 minutes earlier.

Area forecast discussion, Apr 17, 6:51 PM CDT, 4 hours 5 minutes before
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Hazardous weather outlook, Apr 17, 3:53 PM CDT, 7 hours 3 minutes before
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  <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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In the hours before

Local storm report, Apr 17, 6:42 PM CDT, 4 hours 14 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 Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 17, 7:25 PM CDTSevere Thunderstorm WarningFWDJack, Montague, Wise65 min
Apr 17, 7:32 PM CDTSevere Thunderstorm WarningFWDComanche, Mills58 min
Apr 17, 7:57 PM CDTSevere Thunderstorm WarningFWDCooke, Montague, Wise63 min
Apr 17, 8:19 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland, Mills56 min
Apr 17, 8:31 PM CDTSevere Thunderstorm WarningFWDWise29 min
Apr 17, 8:41 PM CDTSevere Thunderstorm WarningFWDHamilton, Lampasas, Mills64 min
Apr 17, 8:46 PM CDTSevere Thunderstorm WarningFWDCooke, Grayson59 min
Apr 17, 8:49 PM CDTSevere Thunderstorm WarningFWDEastland, Erath, Palo Pinto56 min
Apr 17, 8:57 PM CDTSevere Thunderstorm WarningFWDCooke, Denton, Wise63 min
Apr 17, 9:32 PM CDTSevere Thunderstorm WarningFWDErath, Hood, Parker, Somervell58 min
Apr 17, 9:40 PM CDTSevere Thunderstorm WarningFWDCooke, Grayson45 min
Apr 17, 9:50 PM CDTAreal Flood AdvisoryFWDCooke, Denton, Wise3 hr
Apr 17, 9:58 PM CDTSevere Thunderstorm WarningFWDCooke, Denton, Montague, Wise62 min
Apr 17, 10:09 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton, Lampasas, Mills66 min
Apr 17, 10:16 PM CDTSpecial Weather StatementFWDPalo Pinto29 min
Apr 17, 10:33 PM CDTSevere Thunderstorm WarningFWDJack, Wise57 min
Apr 17, 10:37 PM CDTSpecial Weather StatementFWDJohnson23 min
Apr 17, 11:12 PM CDTSpecial Weather StatementFWDTarrant48 min
Apr 17, 11:14 PM CDTSpecial Weather StatementFWDGrayson46 min
Apr 17, 11:15 PM CDTSevere Thunderstorm WarningFWDBell, Coryell60 min
Apr 17, 11:22 PM CDTSpecial Weather StatementFWDDenton38 min
Apr 17, 11:27 PM CDTSevere Thunderstorm WarningFWDDenton51 min
Apr 17, 11:59 PM CDTSpecial Weather StatementFWDCollin46 min
Apr 18, 12:13 AM CDTAreal Flood AdvisoryFWDCollin, Denton, Grayson3 hr
Apr 18, 12:24 AM CDTSevere Thunderstorm WarningFWDBosque, Falls, Hill, Limestone, McLennan, Navarro66 min
Apr 18, 12:26 AM CDTSevere Thunderstorm WarningFWDMilam64 min
Apr 18, 12:37 AM CDTSpecial Weather StatementFWDEllis53 min
Apr 18, 12:50 AM CDTSpecial Weather StatementFWDRobertson25 min
Apr 18, 1:10 AM CDTSpecial Weather StatementFWDKaufman, Navarro, Rockwall50 min
Apr 18, 1:19 AM CDTSpecial Weather StatementFWDFreestone, Leon26 min
Apr 18, 1:40 AM CDTSevere Thunderstorm WarningFWDLeon65 min
Apr 18, 1:48 AM CDTSpecial Weather StatementFWDVan Zandt27 min
Apr 18, 1:49 AM CDTSpecial Weather StatementFWDFreestone, Leon41 min
Apr 18, 2:02 AM CDTSevere Thunderstorm WarningFWDAnderson, Freestone58 min
Apr 18, 5:03 AM CDTRiver Flood WarningFWDWise21 hr
Apr 18, 5:03 AM CDTRiver Flood WarningFWDDenton46 hr
Apr 18, 6:28 AM CDTRiver Flood WarningFWDDelta, Hopkins40 hr
Apr 18, 6:50 AM CDTRiver Flood WarningFWDLeon, Robertson4 days

Nearby

Flash Flood Warnings in Texas, 2019Every flash flood warning 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.