Alert archive / Texas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 26, NWS Corpus Christi, TX

April 17, 2017Kleberg County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Apr 17, 2017, 5:20 PM CDT for Kleberg County, Texas. It was in force for 25 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 17, 2017, 5:20 PM CDT (22:20 UTC)
Expired
Apr 17, 2017, 5:45 PM CDT
In force
25 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Kleberg County, TX

The radar

The Corpus Christi radar (KCRP), 43 km from the middle of the area, began a volume at 22:23 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, 10.3 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-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2017-04-17Temperature 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 2017-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 square meters per square second.193958Sfc1 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
1218 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
-19 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 17, 3:52 PM CDT, 1 hour 28 minutes earlier.

Area forecast discussion, Apr 17, 3:52 PM CDT, 1 hour 28 minutes before
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Hazardous weather outlook, Apr 17, 5:22 AM CDT, 11 hours 58 minutes before
Hazardous Weather Outlook
National Weather Service Corpus Christi TX
522 AM CDT Mon Apr 17 2017

GMZ230-235-250-255-270-275-TXZ229>234-239>247-181030-
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-
522 AM CDT Mon Apr 17 2017

This hazardous weather outlook is for South Texas and the Middle
Texas Coastal Waters.

.DAY ONE...Today and Tonight

Scattered showers and thunderstorms across the Coastal Plains
today.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Scattered showers and thunderstorms will be mainly over the
Coastal Plains to Victoria area on Tuesday with isolated storms
expected for Wednesday. Isolated to scattered thunderstorms will
be possible Saturday into Saturday night with a cold front.
Thunderstorms are not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

CB/TMT

In the hours before

Special weather statement, Apr 17, 11:31 AM CDT, 5 hours 49 minutes before
Special Weather Statement
National Weather Service Corpus Christi TX
1131 AM CDT MON APR 17 2017

TXZ234-171700-
Victoria-
1131 AM CDT MON APR 17 2017

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

At 1131 AM CDT, a strong thunderstorm was located over Thomaston, or
9 miles southeast of Cuero, moving northwest at 15 mph.

Winds in excess of 40 mph and nickel size hail are possible with this
storm.

Locations impacted include...
Victoria, Fordtran, Victoria Colony Creek Country Club, Victoria
Mall, Mission Valley, Victoria Detar Hospital North and Nursery.

LAT...LON 2908 9695 2882 9695 2882 9719 2883 9719
      2885 9720 2887 9724 2885 9724 2886 9725
      2885 9726 2885 9728 2888 9728 2910 9698
TIME...MOT...LOC 1631Z 151DEG 13KT 2902 9715

GW
Special weather statement, Apr 17, 2:05 PM CDT, 3 hours 15 minutes before
Special Weather Statement
National Weather Service Corpus Christi TX
205 PM CDT MON APR 17 2017

TXZ247-171945-
Calhoun-
205 PM CDT MON APR 17 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CALHOUN COUNTY...

At 205 PM CDT, a strong thunderstorm was located over Indianola, or 7
miles northwest of Port Oconnor, moving northeast at 15 mph.

Wind gusts up to 50 mph and dime size hail are possible with this
storm.

Locations impacted include...
Schicke Point and Port Alto.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 2860 9642 2859 9645 2860 9644 2860 9643
      2867 9646 2861 9648 2865 9651 2864 9653
      2871 9649 2870 9643 2872 9641 2864 9641
      2863 9636 2866 9636 2867 9637 2867 9632
      2864 9632
TIME...MOT...LOC 1905Z 213DEG 14KT 2853 9649

Heavener
Special weather statement, Apr 17, 2:50 PM CDT, 2 hours 30 minutes before
Special Weather Statement
National Weather Service Corpus Christi TX
250 PM CDT MON APR 17 2017

TXZ247-172015-
Calhoun-
250 PM CDT MON APR 17 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CALHOUN COUNTY...

At 250 PM CDT, a strong thunderstorm was located over Port Alto, or
11 miles west of Palacios, moving northeast at 10 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm. Brief funnel clouds may be possible.

Locations impacted include...
Schicke Point.

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 2858 9646 2860 9644 2867 9646 2863 9646
      2861 9648 2867 9654 2871 9650 2870 9643
      2872 9641 2864 9642 2863 9636 2866 9636
      2867 9639 2868 9633 2864 9632
TIME...MOT...LOC 1950Z 231DEG 9KT 2865 9641

Wagner
Local storm report, Apr 17, 2:54 PM CDT, 2 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
254 PM CDT MON APR 17 2017

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

0247 PM     FLASH FLOOD      POINT COMFORT           28.68N  96.55W
04/17/2017                   CALHOUN            TX   LAW ENFORCEMENT

            WATER COVERING PEASE AND RUNNELS ROADS

&&

EVENT NUMBER CRP1700044

LKEYS
Special weather statement, Apr 17, 3:30 PM CDT, 1 hour 50 minutes before
Special Weather Statement
National Weather Service Corpus Christi TX
330 PM CDT MON APR 17 2017

TXZ247-172045-
Calhoun-
330 PM CDT MON APR 17 2017

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL CALHOUN COUNTY...

At 329 PM CDT, a strong thunderstorm was located over Port Oconnor,
moving northeast at 15 mph.

Winds in excess of 30 mph are possible with this storm. Brief funnel
clouds may be possible.

Locations impacted include...
Port Oconnor.

LAT...LON 2842 9646 2847 9649 2850 9646 2848 9643
      2847 9643 2847 9642 2846 9642 2846 9641
      2845 9640 2844 9640 2843 9639
TIME...MOT...LOC 2029Z 221DEG 15KT 2847 9640

Wagner
Special weather statement, Apr 17, 4:46 PM CDT, 34 minutes before
Special Weather Statement
National Weather Service Corpus Christi TX
446 PM CDT MON APR 17 2017

TXZ239-172215-
Webb-
446 PM CDT MON APR 17 2017

...A STRONG THUNDERSTORM IS AFFECTING SOUTHEASTERN WEBB COUNTY...

At 446 PM CDT, a strong thunderstorm was located 8 miles south of
Aguilares, or 22 miles north of Bustamante, moving northeast at 15
mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Mirando City.

LAT...LON 2727 9916 2736 9917 2750 9901 2727 9886
TIME...MOT...LOC 2146Z 243DEG 11KT 2732 9910

Wagner

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 10:51 PM CDTSpecial Weather StatementCRPWebb24 min
Apr 16, 11:19 PM CDTSpecial Weather StatementCRPWebb41 min
Apr 16, 11:53 PM CDTSpecial Weather StatementCRPWebb37 min
Apr 17, 1:20 AM CDTSpecial Weather StatementCRPWebb40 min
Apr 17, 1:31 AM CDTSevere Thunderstorm WarningCRPWebb31 min
Apr 17, 2:00 AM CDTSpecial Weather StatementCRPWebb45 min
Apr 17, 2:13 AM CDTSpecial Weather StatementCRPWebb47 min
Apr 17, 2:23 AM CDTSevere Thunderstorm WarningCRPWebb52 min
Apr 17, 2:40 AM CDTAreal Flood AdvisoryCRPWebb2 hr
Apr 17, 3:10 AM CDTSevere Thunderstorm WarningCRPDuval, Webb50 min
Apr 17, 4:01 AM CDTSevere Thunderstorm WarningCRPDuval, Jim Wells, Kleberg, Nueces44 min
Apr 17, 4:45 AM CDTSpecial Weather StatementCRPJim Wells, Kleberg30 min
Apr 17, 5:15 AM CDTSpecial Weather StatementCRPKleberg, Nueces, San Patricio60 min
Apr 17, 8:25 AM CDTRiver Flood WarningCRPWebb3 days
Apr 17, 9:32 AM CDTSpecial Weather StatementCRPKleberg, Nueces43 min
Apr 17, 11:31 AM CDTSpecial Weather StatementCRPVictoria29 min
Apr 17, 2:05 PM CDTSpecial Weather StatementCRPCalhoun40 min
Apr 17, 2:32 PM CDTAreal Flood AdvisoryCRPCalhoun58 min
Apr 17, 2:45 PM CDTFlash Flood WarningCRPCalhoun2 hr
Apr 17, 2:50 PM CDTSpecial Weather StatementCRPCalhoun25 min
Apr 17, 3:30 PM CDTSpecial Weather StatementCRPCalhoun15 min
Apr 17, 4:46 PM CDTSpecial Weather StatementCRPJim Hogg29 min

Nearby

Severe Thunderstorm Warnings in Texas, 2017Every severe thunderstorm warning in 2017

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.