Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 1, NWS Corpus Christi, TX

April 10, 2015Kleberg County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Apr 10, 2015, 3:34 PM CDT for Kleberg County, Texas. It was in force for 26 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: Apr 10, 2015, 3:34 PM CDT (20:34 UTC)
Expired: Apr 10, 2015, 4:00 PM CDT
In force: 26 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon

County Kleberg County, TX

The radar

The Corpus Christi radar (KCRP), 43 km from the middle of the area, began a volume at 20:37 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, 8.6 hours before the alert went out and 47 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: 1618 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 636 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Apr 10, 1:13 PM CDT, 2 hours 21 minutes earlier.

Area forecast discussion, Apr 10, 1:13 PM CDT, 2 hours 21 minutes before

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Hazardous weather outlook, Apr 10, 5:27 AM CDT, 10 hours 7 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
Apr 10, 4:37 AM CDT	Special Weather Statement	CRP	Jim Hogg	38 min
Apr 10, 5:00 AM CDT	Special Weather Statement	CRP	Jim Hogg	45 min
Apr 10, 8:03 AM CDT	Special Weather Statement	CRP	McMullen	42 min
Apr 10, 8:48 AM CDT	Special Weather Statement	CRP	Live Oak	27 min
Apr 10, 4:13 PM CDT	Special Weather Statement	CRP	Kleberg	32 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015 Every severe thunderstorm 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.