Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 6, NWS Brownsville, TX

September 15, 2002Cameron County, Willacy County, Texas

NWS Brownsville, TX issued this tornado warning at Sep 15, 2002, 4:07 PM CDT for Cameron County, Willacy County, Texas. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 15, 2002, 4:07 PM CDT (21:07 UTC)
Expired
Sep 15, 2002, 4:45 PM CDT
In force
38 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

Counties Cameron County, TX, Willacy County, TX

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 9.1 hours before the alert went out and 48 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 12:00Z on 2002-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2284 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brownsville Intl, TX at 12:00Z on 2002-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939Sfc1 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
2284 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
621 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 1:20 PM CDTFlash Flood WarningBROStarr115 min
Sep 15, 2:04 PM CDTFlash Flood WarningBROKenedy, Willacy116 min
Sep 15, 2:14 PM CDTFlash Flood WarningBROKenedy, Willacy106 min
Sep 15, 3:27 PM CDTFlash Flood WarningBROStarr58 min
Sep 15, 3:56 PM CDTFlash Flood WarningBROHidalgo64 min
Sep 15, 4:16 PM CDTSpecial Marine WarningBRO44 min
Sep 15, 4:16 PM CDTSpecial Marine WarningBRO44 min
Sep 15, 4:30 PM CDTFlash Flood WarningBROStarr55 min
Sep 15, 5:09 PM CDTSpecial Marine WarningBRO51 min
Sep 15, 5:10 PM CDTFlash Flood WarningBROHidalgo110 min

Nearby

Tornado Warnings in Texas, 2002Every tornado warning in 2002Tornadoes 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.