Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 3, NWS Brownsville, TX

May 17, 2002Starr County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at May 17, 2002, 7:07 PM CDT for Starr County, Texas. It was in force for 53 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
May 17, 2002, 7:07 PM CDT (00:07 UTC)
Expired
May 17, 2002, 8:00 PM CDT
In force
53 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Starr County, TX

The radar

The Brownsville radar (KBRO), 162 km from the middle of the area, began a volume at 00:10 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, 0.1 hours before the alert went out and 164 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 2002-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3506 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 2002-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
3506 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KBRO 180007
SVRBRO
TXC427-180100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
706 PM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  STARR COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 800 PM CDT

* AT 657 PM CDT...DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM    
  7 MILES SOUTHWEST OF ROMA...MOVING NORTHEAST AT 25 MPH. THIS       
  SEVERE THUNDERSTORM WILL LIKELY PRODUCE HAIL TO THE SIZE OF        
  NICKELS... AND WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   RIO GRANDE CITY BY 720 PM CDT.
   LA CASITA-GARCIASVILLE...LA GRULLA BY 730 PM CDT.

LAT...LON 2655 9922 2619 9863 2661 9851 2678 9884

PHILO

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:31 PM CDTSevere Thunderstorm WarningBROZapata59 min
May 17, 7:35 PM CDTSevere Thunderstorm WarningBROHidalgo55 min
May 17, 7:47 PM CDTSevere Thunderstorm WarningBROJim Hogg58 min
May 17, 7:53 PM CDTSevere Thunderstorm WarningBROHidalgo, Starr52 min
May 17, 8:15 PM CDTSevere Thunderstorm WarningBROBrooks, Kenedy60 min
May 17, 8:28 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy77 min
May 17, 8:48 PM CDTSevere Thunderstorm WarningBROStarr42 min
May 17, 9:02 PM CDTTornado WarningBROBrooks28 min
May 17, 9:06 PM CDTSevere Thunderstorm WarningBROJim Hogg39 min
May 17, 9:14 PM CDTSevere Thunderstorm WarningBROKenedy46 min
May 17, 9:33 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy72 min
May 17, 9:33 PM CDTSevere Thunderstorm WarningBROBrooks72 min
May 17, 9:36 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy69 min
May 17, 9:42 PM CDTTornado WarningBROCameron, Hidalgo, Kenedy, Willacy33 min
May 17, 10:15 PM CDTTornado WarningBROCameron, Hidalgo, Kenedy, Willacy45 min
May 17, 10:21 PM CDTSpecial Marine WarningBRO84 min
May 17, 10:21 PM CDTSpecial Marine WarningBRO84 min
May 17, 10:43 PM CDTFlash Flood WarningBROKenedy3 hr
May 17, 11:05 PM CDTSevere Thunderstorm WarningBROCameron40 min
May 17, 11:55 PM CDTSpecial Marine WarningBRO13 hr
May 17, 11:55 PM CDTSpecial Marine WarningBRO13 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002

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.