Alert archive / Texas / Tornado Warnings in 2019

Tornado Warning 4, NWS Brownsville, TX

October 20, 2019Cameron County, Hidalgo County, Texas

NWS Brownsville, TX issued this tornado warning at Oct 20, 2019, 11:57 PM CDT for Cameron County, Hidalgo County, Texas. It was in force for 33 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
Oct 20, 2019, 11:57 PM CDT (04:57 UTC)
Expired
Oct 21, 2019, 12:30 AM CDT
In force
33 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Cameron County, TX, Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 43 km from the middle of the area, began a volume at 05:01 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, 5.0 hours before the alert went out and 45 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, Brownsville Intl, TX at 00:00Z on 2019-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3003 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brownsville Intl, TX at 00:00Z on 2019-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
3003 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.3

Open this sounding in Storm Lab

The text

As transmitted.

579 
WFUS54 KBRO 210457
TORBRO
TXC061-215-210530-
/O.NEW.KBRO.TO.W.0004.191021T0457Z-191021T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Brownsville TX
1157 PM CDT Sun Oct 20 2019

The National Weather Service in Brownsville has issued a

* Tornado Warning for...
  Southeastern Hidalgo County in Deep South Texas...
  West central Cameron County in Deep South Texas...

* Until 1230 AM CDT.
    
* At 1157 PM CDT, a severe thunderstorm capable of producing a
  tornado was located near Santa Maria High School, or near Santa
  Maria, moving north at 20 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Los Indios and Las Rusias around 1200 AM CDT.
  Santa Maria and Santa Maria High School around 1205 AM CDT.
  Rangerville and Rangerville Elementary School around 1210 AM CDT.
  Harlingen, Mercedes Junior High School and Ruben Hinojosa 
  Elementary School around 1215 AM CDT.
  La Feria, La Feria Police Department, La Feria Public Library and 
  La Feria High School around 1220 AM CDT.
  La Feria North, Moises Vela Middle School, Harlingen High School 
  South, Harlingen City Reservoir, Lamar Elementary School and 
  Harligen Municipal Golf Course around 1225 AM CDT.
  Santa Rosa, Palm Valley, Primera, Combes, Doctor Hesiquio 
  Rodriguez Elementary School, Palm Valley Police Department, Wilson 
  Elementary School, Grand Acres, Ratamosa and Santa Rosa High 
  School around 1230 AM CDT.

Other locations impacted by this tornadic thunderstorm include T.
George Gutierrez Jr. Middle School, Adams Gardens, Thomas Jefferson
Elementary, Stuart Place, Mckelvey Park, Hunter Park, Victor Park, La
Feria Reservoir, Bluetown and Adams Gardens Reservoir.

This includes the following highways...
 Interstate Highway 69 E between mile markers 24 and 33.
 US Highway 281 between mile markers 810 and 820.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 2605 9777 2604 9778 2603 9778 2603 9779
      2604 9780 2605 9779 2606 9780 2605 9781
      2606 9782 2605 9783 2605 9786 2607 9786
      2606 9787 2607 9788 2606 9789 2630 9793
      2626 9763 2603 9775 2603 9776
TIME...MOT...LOC 0457Z 188DEG 19KT 2604 9782 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BRADY
1 follow-up statement
596 
WWUS54 KBRO 210517
SVSBRO

Severe Weather Statement
National Weather Service Brownsville TX
1217 AM CDT Mon Oct 21 2019

TXC215-210526-
/O.CAN.KBRO.TO.W.0004.000000T0000Z-191021T0530Z/
Hidalgo TX-
1217 AM CDT Mon Oct 21 2019

...THE TORNADO WARNING FOR SOUTHEASTERN HIDALGO COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 2608 9778 2610 9786 2629 9786 2626 9763
TIME...MOT...LOC 0516Z 188DEG 19KT 2614 9780 

$$

TXC061-210530-
/O.CON.KBRO.TO.W.0004.000000T0000Z-191021T0530Z/
Cameron TX-
1217 AM CDT Mon Oct 21 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR WEST
CENTRAL CAMERON COUNTY...
    
At 1216 AM CDT, a severe thunderstorm capable of producing a tornado
was located over La Feria Public Library, or over La Feria, moving
north at 20 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Harlingen around 1220 AM CDT.
  La Feria North, Moises Vela Middle School, Ratamosa, Harlingen 
  High School South, Harlingen City Reservoir, Lamar Elementary 
  School and Harligen Municipal Golf Course around 1225 AM CDT.
  Palm Valley, Doctor Hesiquio Rodriguez Elementary School, Palm 
  Valley Police Department, Harlingen Public Library and Harlingen 
  High School around 1230 AM CDT.
  Santa Rosa, Primera, Wilson Elementary School, Santa Rosa High 
  School, Grand Acres, Santa Rosa Police Department, Combes 
  Community Center, Marine Military Academy, Texas State Technical 
  College Harlingen and Harlingen Arts And Heritage Museum around 
  1235 AM CDT.
  Combes, Tierra Bonita and Dishman Elementary School around 1240 AM 
  CDT.

Other locations impacted by this tornadic thunderstorm include T.
George Gutierrez Jr. Middle School, Lake Harlingen, Las
Palmas-Juarez, Austin Elementary School, Lasana, Vestal Park, Adams
Gardens, Dixieland Park, Thomas Jefferson Elementary and Stuart
Place.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2608 9778 2610 9786 2629 9786 2626 9763
TIME...MOT...LOC 0516Z 188DEG 19KT 2614 9780 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BRADY

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 20, 11:07 PM CDTSpecial Weather StatementBROWillacy23 min
Oct 20, 11:51 PM CDTSpecial Weather StatementBROCameron24 min
Oct 21, 12:30 AM CDTSpecial Weather StatementBROWillacy45 min
Oct 21, 12:33 AM CDTSpecial Weather StatementBROCameron42 min
Oct 21, 12:39 AM CDTSpecial Weather StatementBROHidalgo36 min
Oct 21, 12:56 AM CDTSpecial Weather StatementBROCameron34 min
Oct 21, 12:58 AM CDTTornado WarningBROCameron15 min
Oct 21, 1:00 AM CDTSpecial Marine WarningBRO30 min
Oct 21, 1:16 AM CDTSpecial Weather StatementBROCameron, Willacy59 min
Oct 21, 1:18 AM CDTSpecial Marine WarningBRO42 min
Oct 21, 1:36 AM CDTSpecial Weather StatementBROCameron39 min
Oct 21, 1:41 AM CDTSpecial Weather StatementBROCameron49 min
Oct 21, 1:52 AM CDTSpecial Marine WarningBRO38 min
Oct 21, 1:56 AM CDTAreal Flood AdvisoryBROCameron, Willacy64 min
Oct 21, 2:10 AM CDTSevere Thunderstorm WarningBROCameron35 min
Oct 21, 2:22 AM CDTTornado WarningBROCameron23 min
Oct 21, 2:26 AM CDTSpecial Marine WarningBRO94 min
Oct 21, 2:45 AM CDTSpecial Weather StatementBROCameron30 min
Oct 21, 3:46 AM CDTSpecial Marine WarningBRO59 min
Oct 21, 4:48 AM CDTSpecial Marine WarningBRO57 min
Oct 21, 6:09 AM CDTSpecial Marine WarningBRO36 min
Oct 21, 10:23 AM CDTCoastal Flood AdvisoryBROKenedy22 hr
Oct 21, 3:12 PM CDTSmall Craft AdvisoryBRO58 hr

Nearby

Tornado Warnings in Texas, 2019Every tornado warning in 2019Tornadoes in 2019

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.