Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 19, NWS Corpus Christi, TX

May 5, 2000Webb County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 5, 2000, 11:07 PM CDT for Webb 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 5, 2000, 11:07 PM CDT (04:07 UTC)
Expired
May 6, 2000, 12:00 AM CDT
In force
53 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Webb County, TX

The radar

The Laughlin AFB radar (KDFX), 138 km from the middle of the area, began a volume at 04:09 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

Del Rio, TX (KDRT), launched 00:00Z, 4.1 hours before the alert went out and 169 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, Del Rio, TX at 00:00Z on 2000-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3675 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, Del Rio, TX at 00:00Z on 2000-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
3675 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1970 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
113 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.

432 
WUUS54 KCRP 060408
SVRCRP
TXC479-060500-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1107 PM CDT FRI MAY 5 2000

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN WEBB COUNTY IN TEXAS

* UNTIL MIDNIGHT CDT

* AT 1105 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 42 MILES NORTHWEST OF LAS TIENDAS
  TO 43 MILES WEST OF COLUMBIA BRIDGE...OR FROM 26 MILES SOUTHWEST OF
  CARRIZO SPRINGS TO 53 MILES SOUTHWEST OF CARRIZO SPRINGS...        
  MOVING EAST AT 20 MPH.

THE SEVERE THUNDERSTORMS ARE CAPABLE OF PRODUCING...
  DAMAGING WINDS GREATER THAN 60 MILES AN HOUR...

LEAVE AUTOMOBILES AND MOBILE HOME FOR SAFER SHELTER.


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

LAT...LON 2836 10028 2768 10027 2762 9947 2829 9950

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 Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 5, 9:20 PM CDT, 1 hour 47 minutes earlier.

Area forecast discussion, May 5, 9:20 PM CDT, 1 hour 47 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
920 PM CDT FRI MAY 5 2000

NO NEED TO MAKE CHANGES AT THIS TIME.  UPDATE MAY BE ISSUED LATE TO
CLEAN UP ZONES ONCE WINDS DIE DOWN AND AND CLOUDS BECOME MORE
SUBSTANTIAL.  WILL KEEP AN EYE ON THE CONVECTION WEST OF EAGLE PASS
AS IT CONTINUES TO THE SOUTHEAST.  LOW POPS MAY BE NEEDED WEST AS
THIS CONVECTION EXPECTED TO CONTINUE FOR AT LEAST A COUPLE MORE
HOURS AS IT FOLLOWS MID LEVEL THICKNESS PATTERN AND CONVERGENCE
AREA.  HOWEVER...CONVECTION MAY STAY FAR ENOUGH WEST TO KEEP POPS OUT.

MARINE GROUPS LOOK GOOD...SO DON'T EXPECT CHANGES THERE EITHER.

.CRP...SCA GMZ230-GMZ235-GMZ250-GMZ255-GMZ270-GMZ275

86/GW

In the hours before

Special weather statement, May 5, 10:32 PM CDT, 35 minutes before
TXZ229-239-060430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1032 PM CDT FRI MAY 5 2000

...STRONG THUNDERSTORMS MOVING INTO NORTHWESTERN WEBB COUNTY...

AT 1030 PM...WEATHER SERVICE RADAR INDICATED AN AREA OF SHOWERS AND
THUNDERSTORMS APPROACHING NORTHWESTERN WEBB COUNTY FROM MEXICO.
THE STORMS WERE MOVING SOUTHEAST AT 20 MPH.

THESE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS 50 MPH OR MORE AS
THEY MOVE INTO WEBB COUNTY...ALONG WITH DANGEROUS LIGHTNING AND
HAIL.

RESIDENTS SHOULD KEEP AN EYE TO THE SKY AND BE PREPARED TO SEEK SAFE
SHELTER IF THREATENING WEATHER MOVES TOWARD YOUR AREA.

THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR 5THE THESE
STORMS.  STAY TUNED TO THE NATIONAL WEATHER SERVICE FOR THE LATEST
WEATHER INFORMATION...INCLUDING POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 12:30 AM CDTSevere Thunderstorm WarningCRPWebb30 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.