Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Brownsville, TX

September 27, 1996Brooks County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Sep 27, 1996, 7:07 PM CDT for Brooks County, Texas. It was in force for 68 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 27, 1996, 7:07 PM CDT (00:07 UTC)
Expired
Sep 27, 1996, 8:15 PM CDT
In force
68 min
Issued by
NWS Brownsville, TX
Area
Whole counties

County Brooks County, TX

The radar

The Corpus Christi radar (KCRP), 109 km from the middle of the area, began a volume at 00:07 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

Corpus Christi, TX (KCRP), launched 00:00Z, 0.1 hours before the alert went out and 116 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, Corpus Christi, TX at 00:00Z on 1996-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4292 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, Corpus Christi, TX at 00:00Z on 1996-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
4292 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
820 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
1.7
Supercell composite
9.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Sep 27, 6:49 PM CDT, 18 minutes earlier.

Area forecast discussion, Sep 27, 6:49 PM CDT, 18 minutes before
DEEP SOUTH TEXAS WEATHER FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
650 PM CDT FRI SEP 27 1996

TRW FIRING ALONG CD FNT CURRENTLY.  REPORTS OF GOLFBALL SIZE HAIL
REPORTED IN WEBB COUNTY LAST HALF HOUR.  NOTED ON SAT PIX TROPICAL
MOISTURE FLOWING OVR DEEP S TX FROM WEST MEX...SO THINGS MAY GET A
BIT DICY NEXT FEW HRS.  BELIEVE 50 PERCENT POPS ON TRACK FOR
TONIGHT FROM LOOKS OF 88-D AND HAVE NO PROBLEM WITH TEMPS. CAA CLDS
BEHIND FNT IMPRRSSIVE AND TOMORROW LOOKS TO BE CLOUDY WITH ISOLATED
R-.

61

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 7:18 PM CDTSevere Thunderstorm WarningBROBrooks57 min
Sep 27, 7:26 PM CDTSevere Thunderstorm WarningBROZapata64 min
Sep 27, 7:45 PM CDTSevere Thunderstorm WarningBROJim Hogg60 min
Sep 27, 8:14 PM CDTSevere Thunderstorm WarningBROBrooks, Starr61 min
Sep 27, 9:02 PM CDTSevere Thunderstorm WarningBROHidalgo, Starr58 min

Nearby

Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996

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.