Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 14, NWS Brownsville, TX

May 30, 2010Zapata County, Texas

NWS Brownsville, TX issued this flash flood warning at May 30, 2010, 10:01 PM CDT for Zapata County, Texas. It was in force for 59 min. 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 30, 2010, 10:01 PM CDT (03:01 UTC)
Expired
May 30, 2010, 11:00 PM CDT
In force
59 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Flood severity
None

County Zapata County, TX

The radar

The Corpus Christi radar (KCRP), 185 km from the middle of the area, began a volume at 03:04 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 00:00Z, 3.0 hours before the alert went out and 198 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, Corpus Christi, TX at 00:00Z on 2010-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1048 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, Corpus Christi, TX at 00:00Z on 2010-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 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
1048 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1080 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
-81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 8:37 PM CDTAreal Flood AdvisoryBROZapata53 min
May 30, 9:01 PM CDTFlash Flood WarningBROZapata59 min
May 30, 9:09 PM CDTAreal Flood AdvisoryBROJim Hogg66 min
May 30, 9:34 PM CDTAreal Flood AdvisoryBROStarr56 min
May 30, 9:43 PM CDTAreal Flood AdvisoryBROZapata62 min
May 30, 9:51 PM CDTFlash Flood WarningBROJim Hogg54 min
May 30, 11:09 PM CDTAreal Flood AdvisoryBROJim Hogg, Starr, Zapata111 min

Nearby

Flash Flood Warnings in Texas, 2010Every flash flood warning in 2010

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.