Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 55, NWS Corpus Christi, TX

April 24, 2015Live Oak County, McMullen County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Apr 24, 2015, 9:29 PM CDT for Live Oak County, McMullen County, Texas. It was in force for 28 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, 9:29 PM CDT (02:29 UTC)
Expired
Apr 24, 2015, 9:57 PM CDT
In force
28 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon

Counties Live Oak County, TX, McMullen County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 24, 6:53 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.5 hours before the alert went out and 121 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 2015-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2964 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 2015-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.1939587897Sfc1 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
2964 J/kg
Mixed-layer CIN
-221 J/kg
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

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, 6:58 PM CDT, 2 hours 31 minutes earlier.

Area forecast discussion, Apr 24, 6:58 PM CDT, 2 hours 31 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
658 PM CDT FRI APR 24 2015

.DISCUSSION...JUST UPDATED THE FORECAST TO INCLUDE SEVERE
THUNDERSTORM WATCH #104 UNTIL 2AM. EXPECT INITIAL SUPERCELL STORM
TO TRACK EAST ACROSS NORTHERN WEBB INTO LASALLE COUNTY DURING THE
NEXT HOUR. ADDITIONAL STORMS SW OF ZAPATA MAY TRIGGER ADDITIONAL
DEVELOPMENTS LATER THIS EVENING ACROSS THE SOUTHERN PORTION OF THE
WATCH. MAY NEED TO EXPAND THE WATCH EASTWARD WITH TIME LATER THIS
EVENING IF CONVECTION HOLDS TOGETHER AND APPROACHES THE COAST LIKE
SOME OF THE HIGH RES MODELS WERE HINTING.

&&

.PRELIMINARY POINT TEMPS/POPS...
CORPUS CHRISTI    71  86  72  87  73  /  40  30  10  30  20
VICTORIA          71  86  70  85  71  /  40  40  10  30  30
LAREDO            71  90  72  95  71  /  50  20  10  10  30
ALICE             71  89  71  91  72  /  40  30  10  30  20
ROCKPORT          72  80  72  83  73  /  40  40  10  30  20
COTULLA           70  89  68  92  67  /  50  10  10  20  30
KINGSVILLE        72  87  72  90  73  /  40  30  10  20  20
NAVY CORPUS       72  79  72  84  74  /  40  30  10  30  20

&&

.CRP WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.

&&

JM/75...SHORT TERM
RH/79...WARNING DESK
Hazardous weather outlook, Apr 24, 7:02 PM CDT, 2 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
702 PM CDT FRI APR 24 2015

GMZ230-235-250-255-270-275-TXZ229>234-239>247-260015-
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS-
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT O'CONNOR-
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM-
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT
20 NM-WATERS FROM BAFFIN BAY TO PORT ARANSAS FROM 20 TO 60 NM-
WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-LA SALLE-MCMULLEN-LIVE OAK-BEE-GOLIAD-VICTORIA-WEBB-DUVAL-
JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-ARANSAS-REFUGIO-CALHOUN-
702 PM CDT FRI APR 24 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE
TEXAS COASTAL WATERS.

.DAY ONE...TONIGHT

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE BRUSH COUNTRY
UNTIL 2AM. SCATTERED THUNDERSTORMS ARE EXPECTED THIS EVENING. A
FEW STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE WITH LARGE
HAIL...DAMAGING WIND GUSTS...AND FLOODING RAINS. THE THREAT OF AN
ISOLATED TORNADO CANNOT BE RULED OUT AS WELL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED FOR
SATURDAY...SUNDAY AND AGAIN ON MONDAY. ISOLATED STRONG TO SEVERE
THUNDERSTORMS WITH DAMAGING WINDS OR HAIL WILL BE POSSIBLE EACH
DAY WITH THE HIGHEST THREAT FOR SEVERE STORMS MONDAY AFTERNOON
AND MONDAY NIGHT OVER THE NORTHERN BRUSH COUNTRY TO THE COASTAL
PLAINS.

SMALL CRAFT ADVISORY CONDITIONS WILL BE POSSIBLE BEHIND A COLD
FRONT ON TUESDAY AND TUESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED THIS EVENING.

JM/RH

In the hours before

Local storm report, Apr 24, 3:56 PM CDT, 5 hours 33 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, 2 hours 45 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
Local storm report, Apr 24, 8:38 PM CDT, 51 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 7:55 PM CDTSevere Thunderstorm WarningCRPLa Salle, Webb35 min
Apr 24, 8:30 PM CDTSevere Thunderstorm WarningCRPLa Salle45 min
Apr 24, 8:47 PM CDTSevere Thunderstorm WarningCRPLa Salle, McMullen43 min
Apr 24, 9:50 PM CDTSpecial Weather StatementCRPWebb25 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.