Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 41, NWS Brownsville, TX

November 6, 2000Hidalgo County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Nov 6, 2000, 12:45 AM CST for Hidalgo County, Texas. It was in force for 45 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: Nov 6, 2000, 12:45 AM CST (06:45 UTC)
Expired: Nov 6, 2000, 1:30 AM CST
In force: 45 min
Issued by: NWS Brownsville, TX
Area: Whole counties

County Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 93 km from the middle of the area, began a volume at 06:47 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 00:00Z, 6.8 hours before the alert went out and 96 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 275 J/kg
Mixed-layer CIN: -230 J/kg
Mixed-layer LCL: 932 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KBRO 060646
SVRBRO
TXC047-215-247-427-060730-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1245 AM CST MON NOV 6 2000

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HIDALGO COUNTY IN DEEP SOUTH TEXAS
  SOUTHERN BROOKS COUNTY IN DEEP SOUTH TEXAS
  SOUTHEASTERN JIM HOGG COUNTY IN DEEP SOUTH TEXAS
  EASTERN STARR COUNTY IN DEEP SOUTH TEXAS

* UNTIL 130 AM CST

* AT 1243 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES EAST OF EL SAUZ...MOVING EAST AT 50
  MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE DIME SIZE HAIL...
  AND WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   LA GLORIA BY 1255 AM CST.
   MCCOOK BY 100 AM CST.
   SAN MANUEL BY 120 AM CST.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM WINDOWS. REMEMBER...SEVERE THUNDERSTORMS PRODUCE LARGE
DAMAGING HAIL...DAMAGING WINDS...FREQUENT CLOUD TO GROUND
LIGHTNING...AND VERY HEAVY RAIN.

$$

LAT...LON 2684 9886 2645 9879 2648 9798 2691 9801

SPEECE

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 Nov 5, 8:15 PM CST, 4 hours 30 minutes earlier.

Area forecast discussion, Nov 5, 8:15 PM CST, 4 hours 30 minutes before

DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
815 PM CST SUN NOV 5 2000

STLT AND RADAR IMAGES ARE KEEPING SHRAS/TSRAS GENERALLY N OF THE VLY
NOW AS THEY ARE RAPIDLY MOVING NORTHEAST.  WILL DECREASE POPS IN THE
FORECAST FOR TONIGHT AND MONDAY AS DRIER AIR IS ALREADY MOVING INTO
THE AREA.

MARINE...BOY020 SHOWS WAVES WITH A SE FLOW...UP TO 7 FT NOW.  SCA
REMAINS IN EFFECT TONIG,HT.

55

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

.BRO...SCA FOR ALL MARINE ZONES.

In the hours before

Special weather statement, Nov 5, 8:15 PM CST, 4 hours 30 minutes before

TXZ248>257-060730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
815 PM CST SUN NOV 5 2000

...STRONG WINDS CLIP THE EXTREME NORTHWEST PORTION OF DEEP SOUTH
TEXAS...

A STRONG UPPER LEVEL LOW PRESSURE AREA HAS PULLED
NORTHEAST...KEEPING MOST OF THE SEVERE WEATHER NORTH OF THE RIO
GRANDE VALLEY. EXTREME NORTHERN PORTIONS OF ZAPATA AND JIM HOGG
COUNTIES RECEIVED STRONG WINDS...AS THE SQUALL LINE DIPPED TO THOSE
AREAS. TORNADO WATCH AREAS ARE CONFINED TO THE COASTAL BEND OF TEXAS
NOW...WITH LITTLE RAINFALL EXPECTED IN DEEP SOUTH TEXAS.

THIS SYSTEM WILL MOVE OFF THE TEXAS COAST BY EARLY MONDAY
MORNING...WITH CLEARING SKIES EXPECTED BY MONDAY AFTER:NOON.

STAY TUNED TO NOAA WEATHER RADIO...AND MONITOR THE LATEST STATEMENTS
AND FORECASTS FROM THE NATIONAL WEATHER SERVICE IN BROWNSVILLE. PHILO

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 5, 7:10 PM CST	Severe Thunderstorm Warning	BRO	Zapata	50 min
Nov 5, 7:40 PM CST	Severe Thunderstorm Warning	BRO	Jim Hogg, Zapata	80 min
Nov 6, 12:02 AM CST	Severe Thunderstorm Warning	BRO	Starr, Zapata	43 min
Nov 6, 12:45 AM CST	Severe Thunderstorm Warning	BRO	Brooks, Jim Hogg, Starr	45 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000 Every 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.