Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 36, NWS Brownsville, TX

September 16, 2000Cameron County, Willacy County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Sep 16, 2000, 3:27 PM CDT for Cameron County, Willacy County, Texas. It was in force for 18 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
Sep 16, 2000, 3:27 PM CDT (20:27 UTC)
Expired
Sep 16, 2000, 3:45 PM CDT
In force
18 min
Issued by
NWS Brownsville, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Cameron County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 56 km from the middle of the area, began a volume at 20:31 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, 8.5 hours before the alert went out and 58 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 2000-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1379 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 2000-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
1379 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
53 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 162027
SVRBRO
TXC061-215-489-162045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
327 PM CDT SAT SEP 16 2000

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS
  SOUTHEASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS
  EASTERN WILLACY COUNTY IN DEEP SOUTH TEXAS

* UNTIL 345 PM CDT

* AT 322 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR PROGRESO...OR NEAR MERCEDES...MOVING SOUTH
  AT 20 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE WINDS IN
  EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF...
  NORTHWESTERN CAMERON...SOUTHEASTERN HIDALGO AND EASTERN WILLACY
  COUNTIES.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WINDS...LARGE HAIL...FREQUENT CLOUcD 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 2621 9800 2608 9785 2638 9746 2656 9766

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 16, 2:45 PM CDT, 42 minutes earlier.

Area forecast discussion, Sep 16, 2:45 PM CDT, 42 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
245 PM CDT SAT SEP 16 2000

FELIZ 16 DE SEPTIEMBRE DEEP SOUTH TEXAS!!!

SURFACE FRONT WILL PUSH THRU OUR FORECAST AREA THIS EVENING. SURFACE
PLOT SHOWING BIG ISODROSOTHERM GRADIENT WITH VICTORIA AND PALACIOS
SHOWING DEWPOINTS IN THE MID 40S TO THE LOWER TO MID 70S FROM ALICE
SOUTHWARD. ISOLATED CONVECTION IS OCCURRING OVER THE EASTERN CWFA
AND THE COASTAL WATERS THIS AFTERNOON PRECEDING THE FRONT WITH AMPLE
MOISTURE TO WORK WITH SOME WEAK LIFT. WILL INCLUDE EARLY EVENING
ISOLATED SHOWERS/TSTMS FOR THE EASTERN PORTIONS.  OVERNIGHT LOWS
WILL BE A LITTLE TRICKY TONIGHT DEPENDING ON THE AMOUNT AND DEPTH OF
DRYING TO TAKE PLACE AFTER DEBILITATED FROPA ACROSS DEEP SOUTH
TEXAS. TEXAS A & M ETA EXTRAPOLATIONS/AND NGM MOS GUIDANCE SHOWS
MOISTURE LINGERING AT THE NEAR SURFACE WITH RH/PWAT VALUES
DECREASING MARKEDLY IN THE MID/UPPER LEVELS AFTER 06Z. WILL BUMP UP
OVERNIGHT LOWS JUST A COUPLE OF DEGREES THAT WHAT IS PROGNOSTICATED
WITH MOISTURE STILL LINGERING AT THE NEAR SURFACE. WITH DRY ATMOSPHERE
IN PLACE THE NEXT COUPLE DAYS DAYTIME HIGHS WILL BE ABLE TO CLIMB TO
AROUND THE UPPER 80S EAST TO THE MIDDLE 90S FAR WEST TOMORROW.
OTHERWISE...DRY AND TRANQUIL WX ON TAP WITH NORTHERLY OR
NORTHEASTERLY SURFACE FLOW ON TAP WITH NE FLOW ALOFT AS UPPER
HIGH REMAINS CLOSE TO THE 4-CORNERS AREA.

EXTENDED RANGE...AVIATION/MRF IN ITS ANALYSIS AND ITS CURRENT
COMPARISON TO GORDON IS NOT PERFORMING VERY WELL. UK/EURO SHOW MEAN
5H TROF ENCOMPASSING THE EASTERN TWO THIRDS OF THE NORTHERN CONUS
WITH TWO RESPECTIVE MEAN HIGH CENTERS OVER THE DESERT SOUTHWEST AND
A BERMUDA HIGH EAST FLORIDA. THIS WILL KEEP OUR WEATHER PATTERN
FAIRLY BENIGN. WILL GO FOR CONTINUED DRY FCST AND NORMAL TO SLIGHTLY
ABOVE NORMAL TEMPERATURES.

MARINE...SURFACE GRADIENT IN ASSOCIATION WITH FRONT WILL INCREASE
SEAS FOR THE OFFSHORE WATERS WITH DECOUPLING OVER THE LAGUNA
OVERNIGHT. HENCE...WILL OPT FOR SCEC CONDITIONS OFFSHORE TONIGHT AND
SUNDAY WITH SCEC CONDITIONS THIS EARLY EVENING AND DURING THE DAY
SUNDAY FOR THE LAGUNA.  THE SURFACE NORTHEAST WINDS ARE EXPECTED TO
DECREASE AND SHIFT EAST MONDAY AS ETA SHOWS SFC HIGH BUILDING OVER
THE REGION.  INCREASED WAVE HEIGHTS ARE FEASIBLE LATE MONDAY AND
TUESDAY DUE TO T.S. GORDON OVER THE EASTERN GULF BUT FOR NOW WILL KEEP
SEAS AROUND 5 FEET.

SYNOPTIC...CORDERO (64)  MESO...JW (62)  HMT...ABBOTT

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

BRO UU 066/089 065/091 067  10/00/00/00
MFE UU 065/091 063/093 067  10/00/00/00
RGC UU 062/095 060/097 062  10/00/00/00
SPI UU 069/085 068/086 069  05/00/00/00

.BRO...SCEC OFFSHORE ZNS...SCEC FOR LAGUNA MADRE ZN THIS EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 3:09 PM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo51 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000

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.