Alert archive / Texas / Flash Flood Warnings in 2009

Flash Flood Warning 23, NWS Corpus Christi, TX

October 4, 20094 counties in Texas

NWS Corpus Christi, TX issued this flash flood warning at Oct 4, 2009, 10:08 AM CDT for 4 counties in Texas. It was in force for 69 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: Oct 4, 2009, 10:08 AM CDT (15:08 UTC)
Expired: Oct 4, 2009, 11:17 AM CDT
In force: 69 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Flood severity: None

Counties Aransas County, TX, Calhoun County, TX, Refugio County, TX, Victoria County, TX

The radar

The Corpus Christi radar (KCRP), 87 km from the middle of the area, began a volume at 15:10 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, 3.1 hours before the alert went out and 83 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: 2707 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 575 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 10.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 warning went out at Oct 4, 6:35 AM CDT, 3 hours 33 minutes earlier.

Area forecast discussion, Oct 4, 6:35 AM CDT, 3 hours 33 minutes before

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Hazardous weather outlook, Oct 4, 5:52 AM CDT, 4 hours 16 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 3, 7:43 PM CDT	Flash Flood Warning	CRP	Bee, Goliad	107 min
Oct 3, 8:08 PM CDT	Severe Thunderstorm Warning	CRP	Bee, Jim Wells, Live Oak, San Patricio	67 min
Oct 3, 9:13 PM CDT	Severe Thunderstorm Warning	CRP	Bee, Refugio, San Patricio	62 min
Oct 3, 9:16 PM CDT	Areal Flood Advisory	CRP	San Patricio	59 min
Oct 3, 9:22 PM CDT	Areal Flood Advisory	CRP	Refugio	53 min
Oct 3, 10:05 PM CDT	Severe Thunderstorm Warning	CRP	Goliad	40 min
Oct 3, 10:23 PM CDT	Flash Flood Warning	CRP	Refugio	52 min
Oct 3, 11:03 PM CDT	Flash Flood Warning	CRP	Aransas	42 min
Oct 3, 11:44 PM CDT	Flash Flood Warning	CRP	Refugio	31 min
Oct 3, 11:58 PM CDT	Flash Flood Warning	CRP	Aransas	53 min
Oct 4, 12:25 AM CDT	Areal Flood Advisory	CRP	Calhoun	50 min
Oct 4, 1:00 AM CDT	Special Marine Warning	CRP		60 min
Oct 4, 6:17 AM CDT	Areal Flood Advisory	CRP	La Salle	58 min
Oct 4, 7:36 AM CDT	Areal Flood Advisory	CRP	La Salle, McMullen	54 min
Oct 4, 9:37 AM CDT	Areal Flood Advisory	CRP	Goliad, Victoria	53 min
Oct 4, 10:24 AM CDT	River Flood Warning	CRP	Refugio	25 hr
Oct 4, 11:56 AM CDT	River Flood Warning	CRP	Bee, Nueces, San Patricio	10 hr
Oct 4, 12:38 PM CDT	River Flood Warning	CRP	Calhoun, Victoria	4 days
Oct 4, 12:38 PM CDT	River Flood Warning	CRP	Calhoun, Victoria	7 days
Oct 4, 12:45 PM CDT	Special Marine Warning	CRP		46 min
Oct 4, 1:23 PM CDT	River Flood Warning	CRP	Calhoun, Goliad, Victoria	4 days
Oct 4, 3:41 PM CDT	Small Craft Advisory	CRP		4 hr

Nearby

Flash Flood Warnings in Texas, 2009 Every flash flood warning in 2009

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.