Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 21, NWS Brownsville, TX

May 8, 2020Hidalgo County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at May 8, 2020, 10:12 PM CDT for Hidalgo County, Texas. It was in force for 33 min. 12 reports 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
May 8, 2020, 10:12 PM CDT (03:12 UTC)
Expired
May 8, 2020, 10:45 PM CDT
In force
33 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 98 km from the middle of the area, began a volume at 03:16 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

TimeReportWhereRemark
May 8, 10:28 PM CDTTSTM WND DMG1 Sse Penitas, TXDOWNED POWERLINES.
May 8, 10:30 PM CDTTSTM WND DMGMission, TXMISSION PD REPORTS MULTIPLE TREES AND POWER LINES DOWN ACROSS THE CITY OF MISSION.
May 8, 10:31 PM CDTTSTM WND DMG2 N Mission, TXCORRECTS PREVIOUS TSTM WND DMG REPORT FROM MISSION. REPORTED DOWNED TREES ON HOUSE IN MISSION AT INTERSECTION OF MILE 2 RD AND MAYBERRY RD VIA HIDALGO COUNTY SHERIFF OFFICE. TIME ESTIMATED VIA RADAR.
May 8, 10:31 PM CDTTSTM WND DMGMission, TXREPORTED DOWNED TREES ON HOUSE(S) IN MISSION VIA HIDALGO COUNTY SHERIFF OFFICE. TIME ESTIMATED VIA RADAR.
May 8, 10:39 PM CDTHAIL 12 Ne Mission, TXPICTURES RECEIVED VIA SOCIAL MEDIA. TIME AND LOCATION ESTIMATED BASED ON RADAR.
May 8, 10:41 PM CDTHAIL 0.886 Nnw Mcallen, TXRECEIVED PICTURES FROM MEDIA OF DIME TO NICKEL SIZED HAIL NEAR SHARYLAND PIONEER HIGH SCHOOL. TIME IS ESTIMATED BASED ON RADAR.
May 8, 10:43 PM CDTHAIL 13 Nnw Mcallen, TXPICTURE OF ESTIMATED QUARTER SIZE HAIL NORTHWEST OF MCALLEN. TIME ESTIMATED VIA RADAR.
May 8, 10:45 PM CDTHAIL 12 Ene Mission, TXQUARTER SIZE HAIL EAST-NORTHEAST OF MISSION.
May 8, 10:46 PM CDTHAIL 1.752 Nw Mcallen, TXGOLF BALL SIZE HAIL REPORTED TO THE NORTHWEST OF MCALLEN VIA MPING REPORT AND A SOCIAL MEDIA REPORT.
May 8, 10:48 PM CDTTSTM WND DMG3 Ssw Pharr, TXDOWN TREE COVERING ROADWAY.
May 8, 10:49 PM CDTTSTM WND DMG2 Nw San Juan, TXPOWER LINES/POLES DOWN. TIME ESTIMATED VIA RADAR.
May 8, 10:55 PM CDTTSTM WND DMG3 N Mcallen, TXDOWNED TREES AT LARK AVE AND N 23RD ST. TIME ESTIMATED VIA RADAR.

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

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 3.2 hours before the alert went out and 101 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 2020-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1825 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 2020-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
1825 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
1112 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

599 
WUUS54 KBRO 090312
SVRBRO
TXC215-090345-
/O.NEW.KBRO.SV.W.0021.200509T0312Z-200509T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Brownsville TX
1012 PM CDT Fri May 8 2020

The National Weather Service in Brownsville has issued a

* Severe Thunderstorm Warning for...
  Southwestern Hidalgo County in Deep South Texas...

* Until 1045 PM CDT.

* At 1011 PM CDT, a severe thunderstorm was located over Lorenzo De
  Zavala Middle School, or near La Joya, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Edinburg, Mission, Pharr, San Juan, Alamo, Hidalgo, Palmview,
  Penitas, Sullivan City, McAllen, Pharr, and La Joya.

This includes the following highways...
 US Highway 83 between mile markers 840 and 850.
 Interstate Highway 69 C between mile markers 1 and 12.
 US Highway 281 between mile markers 784 and 794.

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 this storm. 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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2607 9825 2610 9829 2612 9827 2611 9830
      2610 9830 2617 9834 2616 9839 2623 9845
      2620 9848 2625 9855 2625 9856 2624 9855
      2624 9858 2636 9853 2638 9811 2606 9812
      2605 9815
TIME...MOT...LOC 0311Z 267DEG 36KT 2628 9844 

HAIL...<.75IN
WIND...60MPH
 
$$

TOMASELLI
1 follow-up statement
663 
WWUS54 KBRO 090323
SVSBRO

Severe Weather Statement
National Weather Service Brownsville TX
1023 PM CDT Fri May 8 2020

TXC215-090345-
/O.CON.KBRO.SV.W.0021.000000T0000Z-200509T0345Z/
Hidalgo TX-
1023 PM CDT Fri May 8 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHWESTERN HIDALGO COUNTY...

At 1022 PM CDT, a severe thunderstorm was located over Alton, or over
Palmhurst, moving east at 40 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Edinburg, Mission, Pharr, San Juan, Alamo, Hidalgo, Palmview,
Penitas, Sullivan City, McAllen, Pharr, and La Joya.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2607 9825 2610 9829 2612 9827 2611 9830
      2610 9830 2617 9834 2616 9839 2623 9845
      2620 9848 2625 9855 2625 9856 2624 9855
      2624 9858 2636 9853 2638 9811 2606 9812
      2605 9815
TIME...MOT...LOC 0322Z 267DEG 36KT 2629 9831 

HAIL...<.75IN
WIND...70MPH
 
$$

TOMASELLI

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 7:39 PM CDTSpecial Weather StatementBROZapata51 min
May 8, 7:44 PM CDTSpecial Weather StatementBROJim Hogg46 min
May 8, 7:53 PM CDTSpecial Weather StatementBROStarr37 min
May 8, 8:10 PM CDTSevere Thunderstorm WarningBROStarr50 min
May 8, 8:18 PM CDTSpecial Weather StatementBROJim Hogg27 min
May 8, 8:36 PM CDTSevere Thunderstorm WarningBROJim Hogg, Zapata39 min
May 8, 8:41 PM CDTSevere Thunderstorm WarningBROStarr, Zapata49 min
May 8, 8:51 PM CDTAreal Flood AdvisoryBROStarr3 hr
May 8, 9:12 PM CDTAreal Flood AdvisoryBROJim Hogg, Starr, Zapata3 hr
May 8, 9:18 PM CDTSpecial Weather StatementBROJim Hogg57 min
May 8, 9:21 PM CDTSpecial Weather StatementBROStarr54 min
May 8, 9:28 PM CDTSpecial Marine WarningBRO2 hr
May 8, 9:34 PM CDTSevere Thunderstorm WarningBROJim Hogg, Starr56 min
May 8, 9:53 PM CDTAreal Flood AdvisoryBROJim Hogg, Starr, Zapata3 hr
May 8, 10:00 PM CDTSevere Thunderstorm WarningBROStarr45 min
May 8, 10:13 PM CDTFlash Flood WarningBROJim Hogg, Starr3 hr
May 8, 10:24 PM CDTAreal Flood AdvisoryBROStarr2 hr
May 8, 10:32 PM CDTFlash Flood WarningBROStarr2 hr
May 8, 10:35 PM CDTSevere Thunderstorm WarningBROHidalgo55 min
May 8, 10:40 PM CDTAreal Flood AdvisoryBROZapata6 min
May 8, 10:41 PM CDTSevere Thunderstorm WarningBROStarr49 min
May 8, 10:46 PM CDTFlash Flood WarningBROZapata2 hr
May 8, 10:49 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy41 min
May 8, 10:50 PM CDTSpecial Marine WarningBRO115 min
May 8, 10:54 PM CDTAreal Flood AdvisoryBROHidalgo, Starr2 hr
May 8, 11:02 PM CDTFlash Flood WarningBROHidalgo, Starr3 hr
May 8, 11:12 PM CDTAreal Flood AdvisoryBROHidalgo, Starr2 hr
May 8, 11:26 PM CDTSpecial Weather StatementBROHidalgo49 min
May 8, 11:32 PM CDTSpecial Weather StatementBROHidalgo58 min
May 8, 11:43 PM CDTAreal Flood AdvisoryBROHidalgo, Starr95 min
May 9, 12:13 AM CDTSpecial Weather StatementBROWillacy62 min
May 9, 12:53 AM CDTSpecial Weather StatementBROWillacy52 min
May 9, 12:54 AM CDTSpecial Marine WarningBRO84 min
May 9, 1:10 AM CDTAreal Flood AdvisoryBROHidalgo, Kenedy, Willacy110 min
May 9, 2:13 AM CDTAreal Flood AdvisoryBROHidalgo, Jim Hogg, Starr, Zapata86 min
May 9, 10:57 AM CDTCoastal Flood StatementBROKenedy8 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2020Every severe thunderstorm warning in 2020

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.