Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 143, NWS Austin/San Antonio, TX

May 19, 2000Edwards County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 19, 2000, 5:07 AM CDT for Edwards County, Texas. It was in force for 53 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: May 19, 2000, 5:07 AM CDT (10:07 UTC)
Expired: May 19, 2000, 6:00 AM CDT
In force: 53 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Edwards County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 10.1 hours before the alert went out and 97 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: 2739 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 1600 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -2.3

Open this sounding in Storm Lab

The text

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

499 
WUUS54 KEWX 191007
SVRSAT
TXC137-191100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
507 AM CDT FRI MAY 19 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  EDWARDS COUNTY

* UNTIL 600 AM CDT

* AT 505 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
      SEVERE THUNDERSTORMS 25 MILES NORTHWEST OF ROCKSPRINGS AND     
      10 MILES NORTH OF ROCKSPRINGS...MOVING EAST AT 20 MPH.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS LOW WATER CROSSINGS 
AND DITCHES.  AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS 
THEY MAY BE WASHED OUT.  WATER LEVELS OF SMALL STREAMS AND RIVERS 
MAY ALSO RISE. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.


LAT...LON 3028 10069 3005 10068 2999 10003 3030 10018

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 Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 19, 3:00 AM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, May 19, 3:00 AM CDT, 2 hours 7 minutes before

SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
300 AM CDT FRI MAY 19 2000

SATELLITE IMAGERY SUGGESTS A SUBTROPICAL JET STREAK OVER CENTRAL
MEXICO PROVIDING LIFT FOR THUNDERSTORM OVER CENTRAL TEXAS.
CURRENT WEATHER HAS THUNDERSTORMS EXTENDING FROM NORTHEAST TO
SOUTHWEST OVER CENTRAL TEXAS MOVING VERY SLOWLY EASTWARD. TRENDS IS
FOR ACTIVITY TO TREK ACROSS THE HILL COUNTRY TODAY AND TONIGHT WITH
WIDESPREAD POP ACTIVITY AREAWIDE SATURDAY.

CONTINUE WINDY TODAY WITH RAIN CHANCES RISING SLOWLY THROUGH
SATURDAY...WITH HIGHEST POPS TONIGHT AND SATURDAY.

BY SUNDAY AND MONDAY...ANOTHER WEATHER SYSTEM APPROACHES FROM THE
NORTHWEST...WITH ADDITIONAL CHANCE OF POPS EXPECTED UNTIL TUESDAY.

PRELIMS NUMBERS...
DRT 93/68/85/65 4553
AUS 85/65/83/65 5653
SAT 87/68/85/68 4553

.EWX...NONE.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 19, 7:29 AM CDT	Severe Thunderstorm Warning	EWX	Kerr	61 min
May 19, 2:21 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	54 min
May 19, 4:45 PM CDT	Flash Flood Warning	EWX	Kerr	2 hr
May 19, 4:47 PM CDT	Severe Thunderstorm Warning	EWX	Bexar	58 min
May 19, 6:46 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit	59 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.