Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 2, NWS Brownsville, TX

March 19, 2016Starr County, Zapata County, Texas

NWS Brownsville, TX issued this flash flood warning at Mar 19, 2016, 1:11 AM CDT for Starr County, Zapata County, Texas. It was in force for 94 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, 1:11 AM CDT (06:11 UTC)
Expired: Mar 19, 2016, 2:45 AM CDT
In force: 94 min
Issued by: NWS Brownsville, TX
Area: Storm-based polygon
Flood severity: None

Counties Starr County, TX, Zapata County, TX

The radar

The Brownsville radar (KBRO), 175 km from the middle of the area, began a volume at 06:13 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

Brownsville Intl, TX (KBRO), launched 00:00Z, 6.2 hours before the alert went out and 177 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.

296 
WGUS54 KBRO 190611
FFWBRO
TXC427-505-190745-
/O.NEW.KBRO.FF.W.0002.160319T0611Z-160319T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
111 AM CDT SAT MAR 19 2016

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN STARR COUNTY IN DEEP SOUTH TEXAS...
  SOUTHEASTERN ZAPATA COUNTY IN DEEP SOUTH TEXAS...

* UNTIL 245 AM CDT

* AT 109 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ROMA...ESCOBARES...LOPENO...LA ROSITA...FALCON DAM...GARCENO...NORTH
ESCOBARES...AND SALINENO.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 2675 9916 2679 9886 2637 9891 2639 9893
      2638 9894 2638 9895 2640 9896 2640 9898
      2639 9899 2641 9902 2643 9911 2644 9910
      2648 9909 2652 9913 2654 9917 2660 9917
      2664 9919

$$

CASTILLO

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, 12:31 AM CDT	Severe Thunderstorm Warning	BRO	Starr, Zapata	44 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, 1:18 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

Flash Flood Warnings in Texas, 2016 Every flash flood 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.