Alert archive / Texas / Flash Flood Warnings in 2020

Flash Flood Warning 12, NWS Fort Worth, TX

May 16, 2020Tarrant County, Texas

NWS Fort Worth, TX issued this flash flood warning at May 16, 2020, 11:01 AM CDT for Tarrant County, Texas. It was in force for 5 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 16, 2020, 11:01 AM CDT (16:01 UTC)
Expired
May 16, 2020, 4:00 PM CDT
In force
5 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

County Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 22 km from the middle of the area, began a volume at 16:00 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 12:00Z, 4.0 hours before the alert went out and 7 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 12:00Z on 2020-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 12:00Z on 2020-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 square meters per square second.19395878Sfc1 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
15 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
760 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
189 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 May 16, 5:02 AM CDT, 5 hours 59 minutes earlier.

Area forecast discussion, May 16, 5:02 AM CDT, 5 hours 59 minutes before
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Hazardous weather outlook, May 16, 5:05 AM CDT, 5 hours 56 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 Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 7:28 PM CDTSpecial Weather StatementFWDRockwall32 min
May 15, 7:46 PM CDTSpecial Weather StatementFWDDenton29 min
May 15, 7:55 PM CDTSpecial Weather StatementFWDEllis, Johnson, Palo Pinto, Parker, Tarrant65 min
May 15, 8:09 PM CDTSevere Thunderstorm WarningFWDStephens, Young66 min
May 15, 8:40 PM CDTSpecial Weather StatementFWDEastland50 min
May 15, 8:57 PM CDTSpecial Weather StatementFWDHill, Hood, Johnson, Navarro, Somervell63 min
May 15, 9:12 PM CDTSevere Thunderstorm WarningFWDEastland, Jack, Palo Pinto, Stephens, Young48 min
May 15, 9:42 PM CDTSpecial Weather StatementFWDComanche, Mills48 min
May 15, 9:49 PM CDTAreal Flood AdvisoryFWDEastland, Jack, Palo Pinto, Stephens, Young3 hr
May 15, 9:49 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland, Erath56 min
May 15, 9:57 PM CDTSevere Thunderstorm WarningFWDJack, Palo Pinto, Parker, Wise63 min
May 15, 10:28 PM CDTSevere Thunderstorm WarningFWDErath, Hood, Parker, Somervell62 min
May 15, 10:36 PM CDTAreal Flood AdvisoryFWDErath, Hood, Palo Pinto, Parker3 hr
May 15, 10:39 PM CDTSpecial Weather StatementFWDHamilton, Lampasas66 min
May 15, 11:10 PM CDTSevere Thunderstorm WarningFWDBosque, Coryell, Hamilton, McLennan80 min
May 15, 11:25 PM CDTSpecial Weather StatementFWDJohnson35 min
May 15, 11:27 PM CDTAreal Flood AdvisoryFWDBosque, Hill, Hood, Johnson, Somervell3 hr
May 16, 12:25 AM CDTSpecial Weather StatementFWDHill, McLennan50 min
May 16, 12:45 AM CDTAreal Flood AdvisoryFWDMcLennan3 hr
May 16, 12:56 AM CDTSpecial Weather StatementFWDFalls, Milam49 min
May 16, 1:21 AM CDTSpecial Weather StatementFWDMcLennan24 min
May 16, 1:43 AM CDTRiver Flood WarningFWDHunt57 hr
May 16, 1:43 AM CDTRiver Flood WarningFWDHunt, Kaufman, Rockwall47 hr
May 16, 1:50 AM CDTSpecial Weather StatementFWDMilam, Robertson25 min
May 16, 9:51 AM CDTAreal Flood AdvisoryFWDTarrant3 hr
May 16, 10:39 AM CDTFlash Flood WatchFWDAnderson, Collin, Cooke, Dallas, Delta, Denton and 17 more14 hr
May 16, 11:36 AM CDTAreal Flood AdvisoryFWDDenton3 hr
May 16, 12:06 PM CDTAreal Flood AdvisoryFWDFreestone, Leon, Limestone, Robertson3 hr
May 16, 12:17 PM CDTRiver Flood WarningFWDDenton22 hr
May 16, 12:17 PM CDTRiver Flood WarningFWDDallas52 hr
May 16, 12:28 PM CDTAreal Flood AdvisoryFWDDallas, Ellis, Tarrant3 hr
May 16, 1:51 PM CDTAreal Flood AdvisoryFWDDallas, Kaufman, Rockwall5 hr
May 16, 2:19 PM CDTSpecial Weather StatementFWDVan Zandt26 min
May 16, 2:26 PM CDTAreal Flood AdvisoryFWDCooke, Denton3 hr
May 16, 2:28 PM CDTRiver Flood WarningFWDLeon, Robertson4 days
May 16, 2:34 PM CDTRiver Flood WarningFWDDallas5 hr
May 16, 2:39 PM CDTSpecial Weather StatementFWDEllis36 min
May 16, 2:52 PM CDTAreal Flood AdvisoryFWDEllis, Navarro5 hr
May 16, 2:57 PM CDTSpecial Weather StatementFWDRains33 min
May 16, 3:14 PM CDTSpecial Weather StatementFWDKaufman46 min
May 16, 3:25 PM CDTAreal Flood AdvisoryFWDDallas, Tarrant3 hr
May 16, 3:46 PM CDTSpecial Weather StatementFWDRockwall29 min
May 16, 3:57 PM CDTAreal Flood WarningFWDTarrant4 hr
May 16, 4:11 PM CDTSpecial Weather StatementFWDRains34 min
May 16, 4:14 PM CDTSpecial Weather StatementFWDKaufman31 min
May 16, 5:01 PM CDTAreal Flood AdvisoryFWDHunt, Rains, Van Zandt3 hr
May 16, 5:35 PM CDTSpecial Weather StatementFWDKaufman25 min
May 16, 6:25 PM CDTAreal Flood AdvisoryFWDKaufman, Rockwall118 min
May 16, 6:54 PM CDTFlash Flood WarningFWDRains2 hr

Nearby

Flash Flood Warnings in Texas, 2020Every flash flood warning in 2020

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.