Alert archive / Texas / Flash Flood Watches in 2017

Flash Flood Watch 2, NWS Corpus Christi, TX

August 24, 201713 counties in Texas

NWS Corpus Christi, TX issued this flash flood watch at Aug 24, 2017, 4:48 AM CDT for 13 counties in Texas. It took effect at Aug 25, 2017, 4:00 AM CDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Aug 24, 2017, 4:48 AM CDT (09:48 UTC)
In effect from
Aug 25, 2017, 4:00 AM CDT
Expired
Aug 28, 2017, 2:26 PM CDT
In force
3 days
Issued by
NWS Corpus Christi, TX
Flood severity
None

Counties Aransas County, TX, Bee County, TX, Calhoun County, TX, Duval County, TX, Goliad County, TX, Jim Wells County, TX, Kleberg County, TX, Live Oak County, TX, McMullen County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX

The radar

The Corpus Christi radar (KCRP), 42 km from the middle of the area, began a volume at 09:51 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, 9.8 hours before the alert went out and 54 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 2017-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 2017-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
13 J/kg
Mixed-layer CIN
-199 J/kg
Mixed-layer LCL
1991 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
46 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before this flash flood watch went out at Aug 24, 12:25 AM CDT, 4 hours 23 minutes earlier.

Area forecast discussion, Aug 24, 12:25 AM CDT, 4 hours 23 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 4:33 AM CDTHurricane WarningCRPAransas, Bee, Calhoun, Goliad, Jim Wells, Kleberg and 5 more56 hr
Aug 24, 4:33 AM CDTStorm Surge WarningCRPAransas, Calhoun, Kleberg, Nueces, Refugio, San Patricio and 1 more3 days
Aug 24, 4:33 AM CDTTropical Storm WarningCRPAransas, Bee, Calhoun, Duval, Goliad, Jim Wells and 7 more5 days
Aug 24, 2:29 PM CDTSpecial Weather StatementCRPAransas, Bee, Calhoun, Goliad, Live Oak, Refugio and 2 more46 min
Aug 24, 3:37 PM CDTSpecial Weather StatementCRPGoliad38 min
Aug 24, 3:46 PM CDTSpecial Weather StatementCRPMcMullen59 min
Aug 24, 4:00 PM CDTSpecial Weather StatementCRPWebb30 min
Aug 24, 5:02 PM CDTSpecial Weather StatementCRPLive Oak43 min
Aug 24, 5:17 PM CDTSpecial Weather StatementCRPLa Salle43 min

Nearby

Flash Flood Watches in Texas, 2017Every flash flood watch in 2017

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.