Alert archive / Texas / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 4, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 30, 1996, 4:06 AM CDT for Zapata County, Texas. It was in force for 69 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
- May 30, 1996, 4:06 AM CDT (09:06 UTC)
- Expired
- May 30, 1996, 5:15 AM CDT
- In force
- 69 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Zapata County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 9.1 hours before the alert went out and 198 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.
- Mixed-layer CAPE
- 3221 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 300907 SVRBRO TXC505-301015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 406 AM CDT THU MAY 30 1996 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTH TEXAS ...ZAPATA COUNTY BROWNSVILLE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS APPROACHING WESTERN ZAPATA COUNTY FROM THE WEST. THESE THUNDERSTORMS WILL AFFECT MOST OF FALCON LAKE FROM ZAPATA TO FALCON DAM AS THEY MOVE TO THE EAST NEAR 25 MILES AN HOUR. WIND GUSTS NEAR 60 MPH ALONG WITH HAIL AND LOCALLY TORRENTIAL RAINS CAN BE EXPECTED. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON@'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 May 30, 2:58 AM CDT, 1 hour 8 minutes earlier.
Area forecast discussion, May 30, 2:58 AM CDT, 1 hour 8 minutes before
DEEP SOUTH TEXAS WEATHER FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 255 AM CDT THU MAY 30 1996 TSTM COMPLEX MOVG INTO WEBB CO EXTENDS SWD WITH SOME ACTVTY ALSO INTO ZAPATA CO AT THIS TIME. A SLO EWD PROGRESSION IS SEEN. BRO 88D SEES 52 THSD TOP NW OF LRD. FCST QUESTION IS HOW MUCH FURTHER E THIS SYS WILL PROGRESS BEFORE IT DSPTS. FEELING IS THAT 20 OR 30 PCT POPS IN ORDER FOR ZAPATA CO FOR SURE AND SHUD BE MENTIONED FOR STARR AND JIM HOGG COUNTIES AS WELL. BEST TO LEAVE OUT FOR REMAINDER OF DEEP S TX FOR NOW AS TIME OF DAY NOT CONDUCIVE FOR MUCH PROPAGATION TWD E. NOT OPPOSED TO KEEPING NORMAL ZONE GROUPING WITH POPS MENTIONED FOR HIDALGO AND BROOKS ALSO JUST IN CASE TSTMS HOLD TOGETHER LONGER. POPS ONLY FOR MORNING. GONE BY AFTN. PSBL REGENERATION TNGT AS VORT MAX RMNS IN VCTY THRU 36 HRS BEFORE DISAPPEARING. OTRW...ONGOING FCST IN NO NEED OF MAJOR REVISIONS. GNLY PC WITH LTL TEMP CHANGES. WINDIER BY FRI AS MORE LO PRES GETS GOING IN LEE OF ROCKIES. BREEZY TDA AND WINDY FRI WHICH SHUD ALSO HELP TO MINIMIZE ANY MEAGER TSTM THREAT THAT HAS TEMPORARILY SET UP NOW. 57 PRELIMS: BRO 093/078 093/078 093 05/05/05 MFE 097/078 097/078 097 10/05/05 RGC 101/0678 102/078 102 20/05/05 SPI 086/078 086/078 086 05/05/05
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 5:21 AM CDT | Severe Thunderstorm Warning | BRO | Zapata | 69 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996
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.