Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 47, NWS Corpus Christi, TX

May 18, 2010Webb County, Texas

NWS Corpus Christi, TX issued this flash flood warning at May 18, 2010, 5:04 AM CDT for Webb County, Texas. It was in force for 116 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 18, 2010, 5:04 AM CDT (10:04 UTC)
Expired: May 18, 2010, 7:00 AM CDT
In force: 116 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Flood severity: None

County Webb County, TX

The radar

The Corpus Christi radar (KCRP), 179 km from the middle of the area, began a volume at 10:04 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, 10.1 hours before the alert went out and 196 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: 1401 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 1374 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.4

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 May 18, 2:18 AM CDT, 2 hours 46 minutes earlier.

Area forecast discussion, May 18, 2:18 AM CDT, 2 hours 46 minutes before

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Hazardous weather outlook, May 18, 2:39 AM CDT, 2 hours 25 minutes before

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In the hours before

Special weather statement, May 18, 12:30 AM CDT, 4 hours 34 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
May 17, 7:03 PM CDT	Areal Flood Advisory	CRP	Goliad	57 min
May 17, 11:58 PM CDT	Tornado Warning	CRP	Victoria	35 min
May 18, 1:21 AM CDT	Special Marine Warning	CRP		83 min
May 18, 1:51 AM CDT	Severe Thunderstorm Warning	CRP	La Salle	54 min
May 18, 2:35 AM CDT	Areal Flood Advisory	CRP	La Salle, Webb	115 min
May 18, 2:53 AM CDT	Severe Thunderstorm Warning	CRP	La Salle, Webb	67 min
May 18, 3:42 AM CDT	Severe Thunderstorm Warning	CRP	Duval, La Salle, McMullen, Webb	63 min
May 18, 4:36 AM CDT	Severe Thunderstorm Warning	CRP	Duval, Webb	54 min
May 18, 4:48 AM CDT	Flash Flood Warning	CRP	Duval, Webb	117 min
May 18, 5:14 AM CDT	Areal Flood Advisory	CRP	McMullen	2 hr
May 18, 5:23 AM CDT	Severe Thunderstorm Warning	CRP	Duval, Webb	52 min
May 18, 6:42 AM CDT	Severe Thunderstorm Warning	CRP	Duval, Jim Wells, Kleberg	63 min
May 18, 6:51 AM CDT	Flash Flood Warning	CRP	Duval	97 min
May 18, 7:42 AM CDT	Severe Thunderstorm Warning	CRP	Jim Wells, Kleberg, Nueces	63 min
May 18, 7:51 AM CDT	Flash Flood Warning	CRP	Jim Wells, Kleberg	88 min
May 18, 8:16 AM CDT	Special Marine Warning	CRP		89 min
May 18, 9:47 AM CDT	Special Marine Warning	CRP		73 min

Nearby

Flash Flood Warnings in Texas, 2010 Every 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.