Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 9, NWS Brownsville, TX

March 14, 2000Cameron County, Willacy County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Mar 14, 2000, 5:38 PM CST for Cameron County, Willacy County, Texas. It was in force for 67 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: Mar 14, 2000, 5:38 PM CST (23:38 UTC)
Expired: Mar 14, 2000, 6:45 PM CST
In force: 67 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), 48 km from the middle of the area, began a volume at 23:37 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, 11.6 hours before the alert went out and 51 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: 1579 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 584 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 4.8

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KBRO 142341
SVRBRO
TXC061-489-150045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
538 PM CST TUE MAR 14 2000

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMERON COUNTY IN SOUTH CENTRAL TEXAS
  THIS INCLUDES THE CITIES OF...HARLINGEN...LA FERIA...SAN BENITO
  SOUTHERN WILLACY COUNTY IN SOUTH CENTRAL TEXAS
  THIS INCLUDES THE CITY OF RAYMONDVILLE

* UNTIL 645 PM CST

* AT 537 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES WEST OF SEBASTIAN...OR ABOUT 4 MILES  
NORTH OF EDCOUCH...MOVING SOUTHEAST AT 15 MPH.  THIS THUNDERSTORM 
EXTENDS DOWN INTO NORTHERN MEXICO.  WIND GUSTS OF OVER 60 MPH ARE 
LIKELY AS THIS STORM MOVES INTO WESTERN CAMERON COUNTY.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE 
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

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

LAT...LON 2649 9783 2608 9786 2598 9730 2645 9742

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 14, 1:05 PM CST	Severe Thunderstorm Warning	BRO	Brooks	45 min
Mar 14, 1:20 PM CST	Severe Thunderstorm Warning	BRO	Hidalgo	25 min
Mar 14, 1:45 PM CST	Severe Thunderstorm Warning	BRO	Hidalgo, Kenedy, Willacy	60 min
Mar 14, 2:43 PM CST	Severe Thunderstorm Warning	BRO	Kenedy, Willacy	62 min
Mar 14, 2:48 PM CST	Severe Thunderstorm Warning	BRO	Brooks	42 min
Mar 14, 3:21 PM CST	Severe Thunderstorm Warning	BRO	Hidalgo	59 min
Mar 14, 3:40 PM CST	Tornado Warning	BRO	Hidalgo	35 min
Mar 14, 4:25 PM CST	Severe Thunderstorm Warning	BRO	Kenedy, Willacy	60 min
Mar 14, 4:54 PM CST	Severe Thunderstorm Warning	BRO	Hidalgo	66 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.