Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 51, NWS Corpus Christi, TX

April 24, 2015Webb County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Apr 24, 2015, 6:51 PM CDT for Webb County, Texas. It was in force for 39 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 24, 2015, 6:51 PM CDT (23:51 UTC)
Expired
Apr 24, 2015, 7:30 PM CDT
In force
39 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon

County Webb County, TX

The radar

The Corpus Christi radar (KCRP), 179 km from the middle of the area, began a volume at 23:54 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, 11.9 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-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2015-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2015-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2522 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
484 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 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 24, 6:14 PM CDT, 37 minutes earlier.

Area forecast discussion, Apr 24, 6:14 PM CDT, 37 minutes before
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Hazardous weather outlook, Apr 24, 5:43 PM CDT, 1 hour 8 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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In the hours before

Local storm report, Apr 24, 3:56 PM CDT, 2 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
356 PM CDT FRI APR 24 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0450 AM     NON-TSTM WND DMG KINGSVILLE              27.51N 97.86W
04/24/2015                   KLEBERG            TX   PUBLIC

            LARGE TREE BLOWN ONTO CAR DURING WAKE LOW

0500 AM     NON-TSTM WND DMG ROBSTOWN                27.80N 97.66W
04/24/2015                   NUECES             TX   PUBLIC

            LARGE TREE BLOWN DOWN ALONG HOME DURING WAKE LOW

0503 AM     NON-TSTM WND DMG 5 SW PORTLAND           27.83N 97.39W
04/24/2015                   NUECES             TX   PUBLIC

            BOAT ON TRAILER BLOWN INTO RV AT CONDO DURING WAKE LOW

&&

HART
Special weather statement, Apr 24, 6:44 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
644 PM CDT FRI APR 24 2015

TXZ239-250030-
WEBB-
644 PM CDT FRI APR 24 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN WEBB COUNTY...

AT 643 PM CDT...A STRONG THUNDERSTORM WAS 16 MILES SOUTHWEST OF
CHUPADERA RANCH AIRPORT...OR 29 MILES SOUTH OF EL INDIO...MOVING EAST
AT 40 MPH.

WINDS IN EXCESS OF 40 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CHUPADERA RANCH AIRPORT AND LA ESPERANZA RANCH AIRPORT.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY CAN RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN CORPUS CHRISTI .

LAT...LON 2820 9947 2807 9943 2800 9999 2807 10002
      2809 10005 2815 10008 2820 10021
TIME...MOT...LOC 2343Z 256DEG 35KT 2809 10032

HART

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 3:20 AM CDTSpecial Weather StatementCRPLa Salle25 min
Apr 24, 4:13 AM CDTSpecial Weather StatementCRPLa Salle32 min
Apr 24, 4:31 AM CDTSpecial Marine WarningCRP89 min
Apr 24, 4:31 AM CDTSpecial Weather StatementCRPNueces29 min
Apr 24, 4:59 AM CDTSpecial Marine WarningCRP91 min
Apr 24, 5:05 AM CDTHigh Wind WarningCRPAransas, Kleberg, Nueces, San Patricio64 min
Apr 24, 5:56 PM CDTRiver Flood WarningCRPLive Oak37 hr
Apr 24, 6:44 PM CDTSpecial Weather StatementCRPDimmit46 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015Every 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.