Alert archive / Oklahoma / Flood Watches in 2018

Flood Watch 13, NWS Norman, OK

October 14, 20189 counties in Oklahoma; Archer County, Clay County, Texas

NWS Norman, OK issued this flood watch at Oct 14, 2018, 2:56 PM CDT for 9 counties in Oklahoma; Archer County, Clay County, Texas. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued
Oct 14, 2018, 2:56 PM CDT (19:56 UTC)
Expired
Oct 15, 2018, 1:00 PM CDT
In force
22 hr
Issued by
NWS Norman, OK
Flood severity
None

Counties Atoka County, OK, Bryan County, OK, Carter County, OK, Coal County, OK, Jefferson County, OK, Johnston County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Archer County, TX, Clay County, TX

The radar

The Norman radar (KTLX), 134 km from the middle of the area, began a volume at 19:58 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

Norman, OK (KOUN), launched 12:00Z, 7.9 hours before the alert went out and 124 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, Norman, OK at 12:00Z on 2018-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Norman, OK at 12:00Z on 2018-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
145 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 flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this flood watch went out at Oct 14, 2:47 PM CDT, 9 minutes earlier.

Area forecast discussion, Oct 14, 2:47 PM CDT, 9 minutes before
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Hazardous weather outlook, Oct 14, 11:46 AM CDT, 3 hours 10 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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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 14, 9:27 AM CDTWind AdvisoryOUNAlfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 6 more6 hr
Oct 14, 2:04 PM CDTAreal Flood AdvisoryOUNCarter, Jefferson, Johnston, Love, Murray116 min
Oct 14, 2:52 PM CDTFreeze WarningOUNAlfalfa, Beckham, Blaine, Canadian, Custer, Dewey and 11 more19 hr
Oct 14, 2:09 PM CDTAreal Flood AdvisoryOUNArcher, Baylor, Clay, Wichita3 hr

Nearby

Flood Watches in Oklahoma, 2018Flood Watches in Texas, 2018Every flood watch in 2018

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.