Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Corpus Christi, TX

March 18, 2016La Salle County, Webb County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Mar 18, 2016, 9:45 PM CDT for La Salle County, Webb County, Texas. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 18, 2016, 9:45 PM CDT (02:45 UTC)
Expired: Mar 18, 2016, 10:15 PM CDT
In force: 30 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties La Salle County, TX, Webb County, TX

The radar

The Laughlin AFB radar (KDFX), 158 km from the middle of the area, began a volume at 02:45 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.

What was reported inside it

Time	Report	Where	Remark
Mar 18, 10:14 PM CDT	TSTM WND DMG	5 S Artesia Wells, TX	PICTURES SUBMITTED FROM PUBLIC OF LARGE TO VERY LARGE TREES DOWN. ROOF DAMAGE ALSO REPORTED TO CHURCH. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.8 hours before the alert went out and 192 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: 2025 J/kg
Mixed-layer CIN: -154 J/kg
Mixed-layer LCL: 739 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: -7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

741 
WUUS54 KCRP 190245
SVRCRP
TXC283-479-190315-
/O.NEW.KCRP.SV.W.0021.160319T0245Z-160319T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
945 PM CDT FRI MAR 18 2016

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN WEBB COUNTY IN SOUTHERN TEXAS...
  SOUTHWESTERN LA SALLE COUNTY IN SOUTHERN TEXAS...

* UNTIL 1015 PM CDT

* AT 944 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR LIGHT TO NEAR ENCINAL. THE STORMS ARE NEARLY
  STATIONARY...GENERALLY DRIFTING EAST.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  COTULLA...ENCINAL...FORT EWELL SITE...LOS ANGELES AND ARTESIA WELLS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 2847 9895 2794 9894 2788 9925 2801 9943
      2820 9943 2820 9940 2845 9939
TIME...MOT...LOC 0244Z 273DEG 34KT 2833 9937 2808 9937 

HAIL...1.00IN
WIND...<50MPH
 
$$

CB

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 7:04 PM CDT	Severe Thunderstorm Warning	CRP	Webb	41 min
Mar 18, 7:36 PM CDT	Flash Flood Warning	CRP	Webb	3 hr
Mar 18, 7:45 PM CDT	Severe Thunderstorm Warning	CRP	Webb	45 min
Mar 18, 8:21 PM CDT	Severe Thunderstorm Warning	CRP	Webb	54 min
Mar 18, 8:53 PM CDT	Severe Thunderstorm Warning	CRP	La Salle	52 min
Mar 18, 9:12 PM CDT	Severe Thunderstorm Warning	CRP	Webb	48 min
Mar 18, 9:20 PM CDT	Areal Flood Advisory	CRP	La Salle, Webb	3 hr
Mar 18, 10:00 PM CDT	Special Weather Statement	CRP	Webb	30 min
Mar 18, 10:04 PM CDT	Severe Thunderstorm Warning	CRP	Webb	41 min
Mar 18, 10:14 PM CDT	Severe Thunderstorm Warning	CRP	La Salle, Webb	31 min
Mar 18, 10:18 PM CDT	Special Weather Statement	CRP	Goliad, Victoria	27 min
Mar 18, 10:33 PM CDT	Severe Thunderstorm Warning	CRP	Webb	42 min
Mar 18, 10:37 PM CDT	Severe Thunderstorm Warning	CRP	Goliad, Victoria	38 min
Mar 18, 10:46 PM CDT	Special Weather Statement	CRP	La Salle	44 min
Mar 18, 10:58 PM CDT	Severe Thunderstorm Warning	CRP	Duval	62 min
Mar 18, 11:11 PM CDT	Severe Thunderstorm Warning	CRP	Goliad, Victoria	49 min
Mar 18, 11:37 PM CDT	Severe Thunderstorm Warning	CRP	Duval, Jim Wells, Kleberg, Nueces	38 min
Mar 19, 12:04 AM CDT	Severe Thunderstorm Warning	CRP	Kleberg, Nueces, San Patricio	56 min
Mar 19, 12:07 AM CDT	Special Marine Warning	CRP		113 min
Mar 19, 12:08 AM CDT	Marine Dense Fog Advisory	CRP		4 hr
Mar 19, 12:14 AM CDT	Severe Thunderstorm Warning	CRP	Jim Wells, Kleberg, Nueces	31 min
Mar 19, 12:27 AM CDT	Severe Thunderstorm Warning	CRP	San Patricio	63 min
Mar 19, 12:45 AM CDT	Severe Thunderstorm Warning	CRP	Kleberg, Nueces, San Patricio	45 min
Mar 19, 1:10 AM CDT	Severe Thunderstorm Warning	CRP	Aransas, San Patricio	50 min
Mar 19, 1:25 AM CDT	Severe Thunderstorm Warning	CRP	Kleberg, Nueces, San Patricio	50 min
Mar 19, 1:59 AM CDT	Special Marine Warning	CRP		2 hr
Mar 19, 2:07 AM CDT	Special Weather Statement	CRP	Aransas, Calhoun	53 min
Mar 19, 3:29 AM CDT	River Flood Warning	CRP	Nueces	37 hr
Mar 19, 5:32 AM CDT	Wind Advisory	CRP	Aransas, Bee, Calhoun, Goliad, Kleberg, Nueces and 3 more	10 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2016 Every severe thunderstorm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.