Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 36, NWS Brownsville, TX

October 19, 2002Brooks County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Oct 19, 2002, 8:16 PM CDT for Brooks County, Texas. It was in force for 21 hr. 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 19, 2002, 8:16 PM CDT (01:16 UTC)
Expired
Oct 20, 2002, 5:30 PM CDT
In force
21 hr
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Brooks County, TX

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 1.3 hours before the alert went out and 61 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 2002-10-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2395 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 2002-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
2395 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
804 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

028 
WUUS54 KBRO 200116
SVRBRO
TXC047-200145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
816 PM CDT SAT OCT 19 2002

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BROOKS COUNTY IN DEEP SOUTH TEXAS

* UNTIL 845 PM CDT

* AT 809 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR FALFURRIAS...MOVING EAST AT 10 MPH. THIS
  SEVERE THUNDERSTORM WILL LIKELY PRODUCE DIME SIZE HAIL... AND WINDS
  IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   FALFURRIAS BY 825 PM CDT.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WINDS...LARGE HAIL...FREQUENT CLOUD TO GROUND
LIGHTNING...AND VERY HEAVY RAIN ARE ALL POSSIBLE IN SEVERE
THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS
PASSED.

LAT...LON 2728 9828 2710 9830 2705 9800 2727 9801

PHILO

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Brownsville, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 19, 7:15 PM CDT, 1 hour 1 minute earlier.

Area forecast discussion, Oct 19, 7:15 PM CDT, 1 hour 1 minute before
DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
715 PM CDT SAT OCT 19 2002

WL NEED TO ADD TSTMS TO NRN ZNS AS CONVECTION CONTINUES TO DIG SW
INTO THE RIO GRANDE VLY.

NO OTHER CHANGES.

MARINE...SCA CONDITIONS STILL REACHED OFFSHORE...AS SEAS OSCILLATE
FM 6 TO 7 FEET. SE WINDS HAVE DECREASED TO AROUND 15 KTS
OFFSHORE...10 TO 15 KNOTS OVR THE LAGUNA MADRE. COLD FRONT PASSAGE
IS NOT EXPECTED OVER THE WATERS. AT BEST...WINDS WILL SHIFT TO THE
EAST OR NORTHEAST BY TOMORROW AFTERNOON. EXPECT TO LOWER SCA FLAGS
BY EARLY SUNDAY.

SYNOPTIC-AVIATION-MARINE...PHILO (58) / MESO...ABBOTT

INTERNET ADDRESS...WWW.SRH.NOAA.GOV/BRO

.BRO...SCA FOR GMZ150-155-170-175.
Hazardous weather outlook, Oct 19, 5:00 AM CDT, 15 hours 16 minutes before
TXZ248>257-201100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BROWNSVILLE TX
500 AM CDT SAT OCT 19 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...

NO HAZARDOUS WEATHER IS EXPECTED TODAY AND TONIGHT. CAUTION IS
ADVISED ON AREA LAKES DUE TO GUSTY SOUTHEAST WINDS.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 7:37 PM CDTSevere Thunderstorm WarningBROBrooks, Kenedy68 min
Oct 20, 4:17 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo103 min
Oct 20, 4:29 PM CDTTornado WarningBROKenedy31 min
Oct 20, 4:32 PM CDTSpecial Marine WarningBRO58 min
Oct 20, 4:32 PM CDTSpecial Marine WarningBRO58 min
Oct 20, 5:02 PM CDTTornado WarningBROKenedy, Willacy28 min
Oct 20, 5:06 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy84 min
Oct 20, 5:24 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy81 min
Oct 20, 5:29 PM CDTTornado WarningBROHidalgo31 min
Oct 20, 5:41 PM CDTSpecial Marine WarningBRO2 hr
Oct 20, 5:51 PM CDTSevere Thunderstorm WarningBROCameron, Willacy69 min
Oct 20, 6:17 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Kenedy, Willacy88 min
Oct 20, 6:38 PM CDTTornado WarningBROCameron37 min
Oct 20, 6:58 PM CDTSevere Thunderstorm WarningBROCameron47 min

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.