Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 9, NWS Brownsville, TX

March 19, 2016Starr County, Zapata County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Mar 19, 2016, 12:31 AM CDT for Starr County, Zapata County, Texas. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 19, 2016, 12:31 AM CDT (05:31 UTC)
Expired: Mar 19, 2016, 1:15 AM CDT
In force: 44 min
Issued by: NWS Brownsville, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Starr County, TX, Zapata County, TX

The radar

The Brownsville radar (KBRO), 169 km from the middle of the area, began a volume at 05:32 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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 18, 11:11 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 5.5 hours before the alert went out and 171 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: 2504 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1115 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

As transmitted.

875 
WUUS54 KBRO 190531
SVRBRO
TXC427-505-190615-
/O.NEW.KBRO.SV.W.0009.160319T0531Z-160319T0615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1231 AM CDT SAT MAR 19 2016

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN STARR COUNTY IN DEEP SOUTH TEXAS...
  SOUTHEASTERN ZAPATA COUNTY IN DEEP SOUTH TEXAS...

* UNTIL 115 AM CDT

* AT 1231 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FALCON
  HEIGHTS...OR 9 MILES WEST OF EL SAUZ...MOVING SOUTHEAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES...INCLUDING CRACKED WINDSHIELDS 
           AND MINOR EXTERIOR DENTS CAN EXPECTED. SOME DAMAGE TO 
           CROPS AND TREES IS EXPECTED. EXPECT MINOR WIND DAMAGE TO 
           MOBILE HOMES...SOME ROOFS...SIDING AND SOME FENCES. TREE 
           LIMBS WILL BLOW DOWN AND SMALL TREES WILL BE UPROOTED. 
           DAMAGE TO POWER LINES AND SOME POWER POLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  ROMA...ESCOBARES...EL SAUZ...LA ROSITA...ROMA HIGH SCHOOL...FALCON DAM...
  GARCENO...LOS GARZAS...NORTH ESCOBARES AND LOS ALVAREZ.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 2674 9908 2663 9871 2636 9890 2637 9890
      2638 9892 2639 9893 2637 9893 2637 9894
      2638 9895 2639 9895 2640 9896 2640 9898
      2639 9899 2646 9910 2648 9909 2652 9913
      2654 9917 2659 9917
TIME...MOT...LOC 0531Z 298DEG 26KT 2657 9903 

HAIL...1.00IN
WIND...60MPH
 
$$

TORRES

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 9:57 PM CDT	Severe Thunderstorm Warning	BRO	Zapata	33 min
Mar 18, 10:30 PM CDT	Severe Thunderstorm Warning	BRO	Zapata	21 min
Mar 18, 11:18 PM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg	27 min
Mar 18, 11:25 PM CDT	Special Weather Statement	BRO	Starr	50 min
Mar 18, 11:44 PM CDT	Severe Thunderstorm Warning	BRO	Starr, Zapata	46 min
Mar 18, 11:45 PM CDT	Severe Thunderstorm Warning	BRO	Brooks, Jim Hogg	30 min
Mar 18, 11:58 PM CDT	Special Weather Statement	BRO	Brooks	47 min
Mar 19, 12:02 AM CDT	Areal Flood Advisory	BRO	Zapata	88 min
Mar 19, 12:19 AM CDT	Severe Thunderstorm Warning	BRO	Brooks, Kenedy	41 min
Mar 19, 12:35 AM CDT	Special Weather Statement	BRO	Hidalgo	40 min
Mar 19, 12:45 AM CDT	Areal Flood Advisory	BRO	Starr, Zapata	90 min
Mar 19, 12:45 AM CDT	Special Marine Warning	BRO		45 min
Mar 19, 12:54 AM CDT	Areal Flood Advisory	BRO	Brooks, Kenedy	96 min
Mar 19, 12:58 AM CDT	Severe Thunderstorm Warning	BRO	Kenedy	35 min
Mar 19, 1:11 AM CDT	Flash Flood Warning	BRO	Starr, Zapata	94 min
Mar 19, 1:18 AM CDT	Special Weather Statement	BRO	Starr	42 min
Mar 19, 1:52 AM CDT	Special Weather Statement	BRO	Cameron	38 min
Mar 19, 5:19 AM CDT	Wind Advisory	BRO	Kenedy	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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.