Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 39, NWS Brownsville, TX

June 8, 2001Cameron County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Jun 8, 2001, 9:12 PM CDT for Cameron County, Texas. It was in force for 48 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
Jun 8, 2001, 9:12 PM CDT (02:12 UTC)
Expired
Jun 8, 2001, 10:00 PM CDT
In force
48 min
Issued by
NWS Brownsville, TX
Area
Whole counties

County Cameron County, TX

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 2.2 hours before the alert went out and 29 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 2001-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1900 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 2001-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
1900 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KBRO 090216
SVRBRO

TXC061-090300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
912 PM CDT FRI JUN 8 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CAMERON COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 1000 PM CDT

* AT 906 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR PALM VALLEY...OR NEAR LA FERIA...MOVING   
  SOUTH AT 20 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE      
  NICKEL SIZE HAIL... AND WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   SAN BENITO BY 925 PM CDT.
   LOS FRESNOS BY 945 PM CDT AND    
 9  BROWNSVILLE BY 955 PM CDT.

$$

LAT...LON 2626 9719 2613 9786 2580 9778 2594 9706

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 Jun 8, 2:50 PM CDT, 6 hours 22 minutes earlier.

Area forecast discussion, Jun 8, 2:50 PM CDT, 6 hours 22 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
250 PM CDT FRI JUN 8 2001

SHORT TERM...REMNANTS OF ALLISON HAVE SHIFTED WESTWARD TODAY
JUST TO THE SOUTHWEST OF KCLL. ALMOST SIMILAR SITUATION AS YESTERDAY
WITH THE LOWER AND UPPER LEVEL LOW TRAPPED BETWEEN THE RIDGE OVER
THE SW U.S. AND RIDGE OVER THE EASTERN GULF OF MEXICO. DEFORMATION
ZONE HAS SHIFTED EASTWARD TODAY WITH ANOTHER CYCLONIC VORTICITY
CENTER EXPECTED TO MOVE INTO DEEP SOUTH TEXAS LATE THIS AFTERNOON
AND EVENING. WITH SEABREEZE DEVELOPING...BELIEVE SEVERE THREAT TO BE
CONFINED TO THE EASTERN PORTIONS OF CWA AS UPPER LEVEL ENERGY
COMBINES WITH SURFACE CONVERGENCE ALONG SEABREEZE. GREATEST THREAT
LIKELY DAMAGING WINDS AND HAIL WITH ISOLATED TORNADOES POSSIBLE.
WITH SLOW MOVING STORMS...HEAVY RAINFALL LIKELY AS WELL. WILL KEEP
SEVERE WORDING MAINLY EAST AND LOCALLY HEAVY RAINFALL AREA WIDE.
MODELS HAVE BEEN DIVERGENT ON MOVEMENT OF THE REMAINS OF ALLISON.
BELIEVE TREND HAS THE LOWER LEVEL FEATURE DRIFTING OVER THE COASTAL
BEND THIS WEEKEND. THIS SCENARIO KEEPS CLOUDS AND RAIN CHANCES FOR
THE VALLEY. WILL GRADUALLY INCREASE MAX TEMPS...DECREASE POPS...AND
DECREASE CLD COVER AS UPPER RIDGE OVER THE SW U.S. AMPLIFIES
PROVIDING SUBSIDENT AIR ON SUNDAY.

EXTENDED...12Z AVN RUN KEEPS 700MB LOW FEATURE OVER THE COASTAL BEND
MONDAY AND THEN TAKES THE REMAINING MOISTURE NORTHWARD INTO THE
SOUTHERN PLAINS AS SURFACE LOW DEVELOPS EAST OF THE ROCKYS WITH AN
UPPER TROUGH OVER THE WESTERN U.S. THE UPPER LEVEL LOW REMAINS OVER
THE UPPER TX COAST TUESDAY. WILL TREND DECREASING RAIN CHANCES FOR
NOW...AS UPPER LOW BECOMES ELONGATED OR ABSORBED INTO UPPER
TROUGH.

MARINE...SEAS 2 FEET OFFSHORE WITH LIGHT AND VARIABLE WINDS. WINDS
AND SEAS IN THE SHORT TERM DEPENDENT ON REMAINS OF ALLISON. NO FLAGS
EXPECTED FOR TONIGHT. WITH LOW LEVEL FEATURE OVER THE COASTAL
BEND...ISOLATED TO SCATTERED CONVECTION LIKELY TO CONTINUE THROUGH
THE WEEKEND. WINDS AND SEAS TO INCREASE IN THE EXTENDED WITH
PRESSURE GRADIENT TIGHTENING OVER THE LOWER TEXAS COAST IN RESPONSE
TO SFC LOW OVER THE SRN PLAINS.

PRELIMINARY NUMBERS...
BRO EB 076/091 075/093 075 34332
HRL EB 074/092 073/094 073 34332
MFE EB 076/093 075/095 075 34332
RGC EB 074/095 073/097 073 34332
SPI EB 077/085 076/085 076 34332

AVIATION-MARINE (LEAD)...57.KN/SYNOPTIC-PUBLIC...61.MC
MESO...WATKINS

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

.BRO...NONE.

In the hours before

Special weather statement, Jun 8, 4:11 PM CDT, 5 hours 1 minute before
TXZ255>257-082215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
411 PM CDT FRI JUN 8 2001

...A STRONG THUNDERSTORM WITH HEAVY RAIN OVER BROWNSVILLE...

NATIONAL WEATHER SERVICE RADAR IN BROWNSVILLE SHOWS A STRONG
THUNDERSTORM WITH HEAVY RAIN LOCATED OVER BROWNSVILLE NOW. THIS
THUNDERSTORM IS DRIFTING SLOWLY SOUTHWEST AND WILL BRING HEAVY
RAINFALL TO AREAS OF BROWNSVILLE.

EXPECT PONDING ON AREA ROADWAYS DURING YOUR NIGHTTIME COMMUTE...AND
DRIVE WITH EXTRA CAUTION. PHILO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 7:12 PM CDTTornado WarningBROWillacy33 min
Jun 8, 7:42 PM CDTTornado WarningBROWillacy48 min
Jun 8, 8:04 PM CDTSevere Thunderstorm WarningBROCameron, Willacy41 min
Jun 8, 8:17 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy58 min
Jun 8, 9:08 PM CDTTornado WarningBROHidalgo37 min

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.