Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 49, NWS Brownsville, TX

June 15, 2001Cameron County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Jun 15, 2001, 6:18 PM CDT for Cameron County, Texas. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 15, 2001, 6:18 PM CDT (23:18 UTC)
Expired
Jun 15, 2001, 7:00 PM CDT
In force
42 min
Issued by
NWS Brownsville, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 14 km from the middle of the area, began a volume at 23:18 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 12:00Z, 11.3 hours before the alert went out and 16 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 2001-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2857 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2001-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
2857 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
-62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KBRO 152318
SVRBRO
TXC061-160000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
618 PM CDT FRI JUN 15 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CAMERON COUNTY IN DEEP SOUTH TEXAS

* UNTIL 700 PM CDT

* AT 618 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHEAST OF BROWNSVILLE...MOVING NORTH
  AT 15 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE WINDS IN
  EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   CAMERON PARK BY 650 PM CDT.
   LOS FRESNOS BY 700 PM CDT.

OTHER LOCATIONS IN THE PATH OF THIS STORM INCLUDE...INDIAN LAKE.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE 
FOR DAMAGING WINDS...AND FREQUENT CLOUD TO GROUND LIGHTNING. PEOPLE 
OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG 
BUILDING BUT AWAY FROM WINDOWS.

STAY TUNED TO LOCAL MEDIA OUTLETS...SUCH AS 
RADIO...TELEVISION...CABLE TELEVISION...AND NOAA WEATHER RADIO FOR 
THE LATEST SEVERE WEATHER INFORMATION.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATFHER SERVICE OFFICE.

LAT...LON 2595 9756 2598 9725 2618 9737 2610 9763

$$

CASTILLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 7:30 PM CDTFlash Flood WarningBROZapata60 min
Jun 14, 7:30 PM CDTSevere Thunderstorm WarningBROZapata30 min
Jun 14, 10:43 PM CDTFlash Flood WarningBROZapata3 hr
Jun 15, 12:21 PM CDTTornado WarningBROHidalgo, Willacy24 min
Jun 15, 12:58 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy47 min
Jun 15, 1:06 PM CDTSevere Thunderstorm WarningBROHidalgo39 min
Jun 15, 1:28 PM CDTSevere Thunderstorm WarningBROHidalgo62 min
Jun 15, 1:29 PM CDTTornado WarningBROHidalgo46 min
Jun 15, 2:15 PM CDTTornado WarningBROCameron, Hidalgo45 min
Jun 15, 2:20 PM CDTFlash Flood WarningBROHidalgo4 hr
Jun 15, 2:40 PM CDTSevere Thunderstorm WarningBROCameron, Kenedy, Willacy50 min
Jun 15, 3:00 PM CDTTornado WarningBROCameron, Hidalgo45 min
Jun 15, 3:09 PM CDTFlash Flood WarningBROCameron3 hr
Jun 15, 3:35 PM CDTSevere Thunderstorm WarningBROCameron, Kenedy, Willacy55 min
Jun 15, 6:23 PM CDTFlash Flood WarningBROCameron3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001

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.