Alert archive / Texas / Areal Flood Warnings in 2015

Areal Flood Warning 2, NWS Brownsville, TX

May 13, 2015Brooks County, Texas

NWS Brownsville, TX issued this areal flood warning at May 13, 2015, 4:16 PM CDT for Brooks County, Texas. It was in force for 6 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 13, 2015, 4:16 PM CDT (21:16 UTC)
Expired: May 13, 2015, 10:00 PM CDT
In force: 6 hr
Issued by: NWS Brownsville, TX
Area: Storm-based polygon
Flood severity: None

County Brooks County, TX

The radar

The Corpus Christi radar (KCRP), 109 km from the middle of the area, began a volume at 21:17 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

Corpus Christi, TX (KCRP), launched 12:00Z, 9.3 hours before the alert went out and 116 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 187 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 798 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 203 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Brownsville, TX wrote its last area forecast discussion before this areal flood warning went out at May 12, 6:51 PM CDT, 21 hours 25 minutes earlier.

Area forecast discussion, May 12, 6:51 PM CDT, 21 hours 25 minutes before

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Hazardous weather outlook, May 12, 4:30 PM CDT, 23 hours 46 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 13, 10:05 AM CDT	Special Weather Statement	BRO	Jim Hogg	40 min
May 13, 10:37 AM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg, Zapata	23 min
May 13, 1:02 PM CDT	Areal Flood Advisory	BRO	Brooks	118 min
May 13, 1:29 PM CDT	Flash Flood Warning	BRO	Brooks	3 hr

Nearby

Areal Flood Warnings in Texas, 2015 Every areal 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.