Alert archive / Texas / Flash Flood Watches in 2008

Flash Flood Watch 9, NWS Midland/Odessa, TX

September 11, 200817 counties in Texas; Eddy County, Lea County, New Mexico

NWS Midland/Odessa, TX issued this flash flood watch at Sep 11, 2008, 1:20 PM CDT for 17 counties in Texas; Eddy County, Lea County, New Mexico. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Sep 11, 2008, 1:20 PM CDT (18:20 UTC)
Expired
Sep 12, 2008, 7:00 PM CDT
In force
30 hr
Issued by
NWS Midland/Odessa, TX
Flood severity
None

Counties Eddy County, NM, Lea County, NM, Andrews County, TX, Borden County, TX, Crane County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Glasscock County, TX, Howard County, TX, Loving County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Reagan County, TX, Scurry County, TX, Upton County, TX, Ward County, TX, Winkler County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 6.3 hours before the alert went out and 22 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, Midland Regional, TX at 12:00Z on 2008-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 388 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, Midland Regional, TX at 12:00Z on 2008-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
388 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this flash flood watch went out at Sep 11, 12:57 PM CDT, 23 minutes earlier.

Area forecast discussion, Sep 11, 12:57 PM CDT, 23 minutes before
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Hazardous weather outlook, Sep 11, 5:50 AM CDT, 7 hours 30 minutes before
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<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.
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        Please try again in a few minutes.
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The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 10, 8:06 PM CDTFlash Flood WatchMAFPecos, Terrell9 hr
Sep 10, 8:42 PM CDTFlash Flood WarningMAFBrewster, Pecos, Terrell78 min
Sep 10, 9:33 PM CDTAreal Flood WarningMAFBrewster, Presidio12 hr
Sep 10, 10:05 PM CDTFlash Flood WarningMAFPecos, Terrell5 hr
Sep 11, 12:48 AM CDTRiver Flood WarningMAFCrockett, Pecos, Terrell34 hr
Sep 11, 12:48 AM CDTRiver Flood WarningMAFCrockett, Terrell8 hr
Sep 11, 2:59 AM CDTFlash Flood WarningMAFPecos, Terrell5 hr
Sep 11, 9:54 AM CDTAreal Flood WarningMAFBrewster, Presidio24 hr
Sep 11, 3:52 PM CDTAreal Flood AdvisoryMAFGaines113 min
Sep 11, 4:35 PM CDTFlash Flood WarningMAFGaines3 hr
Sep 11, 6:12 PM CDTAreal Flood AdvisoryMAFCrane, Pecos, Reeves, Ward3 hr

Nearby

Flash Flood Watches in Texas, 2008Flash Flood Watches in New Mexico, 2008Every flash flood watch in 2008

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.