Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 3, NWS Corpus Christi, TX

March 9, 2000Webb County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Mar 9, 2000, 7:30 PM CST for Webb County, Texas. It was in force for 30 min. 1 report came from 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, with what was reported inside it.

The facts

Issued
Mar 9, 2000, 7:30 PM CST (01:30 UTC)
Expired
Mar 9, 2000, 8:00 PM CST
In force
30 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Webb County, TX

What was reported inside it

TimeReportWhereRemark
Mar 9, 7:30 PM CSTHail 1Mirando City, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.5 hours before the alert went out and 174 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, Corpus Christi, TX at 00:00Z on 2000-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1602 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, Corpus Christi, TX at 00:00Z on 2000-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 square meters per square second.19395878Sfc1 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
1602 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
993 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
-2 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

750 
WUUS54 KCRP 100131 COR
SVRCRP
TXC479-100200-

BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED UGC EXPIRATION TIME
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
730 PM CST THU MAR 9 2000

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 800 PM CST

* AT 730 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES NORTHWEST OF MIRANDO CITY...MOVING
  SOUTHEAST AT 20 MPH.

  THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING...  
  HAIL UP TO THE SIZE OF QUARTERS...
  DAMAGING WINDS GREATER THAN 60 MILES AN HOUR...
  VERY HEAVY RAINFALL WHICH MAY CAUSE LOCALIZED FLOODING...

LAT...LON 2751 9922 2730 9920 2729 9882 2768 9893

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 Mar 9, 6:50 PM CST, 40 minutes earlier.

Area forecast discussion, Mar 9, 6:50 PM CST, 40 minutes before
COASTAL BEND FORECAST DISCUSSION...UPDATED.
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
650 PM CST THU MAR 9 2000

** EARLIER..HAVE UPDATED ZONES ACROSS THE SWRN CWA TO REFLECT
ISOLATED SUPERCELL WHICH HAS SHOWN CYCLIC UPDRAFT/DOWNDRAFT
CHARACTERISTICS SINCE PUSHING EASTWARD ABOUT 10 MILES N OF LRD AND
IS NOW RIGHT-TURNING TOWARD SE WEBB WHERE SVR REMAINS IN EFFECT.
LSRCRP HAS BEEN ISSUED FOR SEVERE HAIL AND WIND REPORTS ALONG THE
PATH OF THE STORM SINCE 544 PM.  PULSING CONTINUES TO OCCUR WITH
STORM..AND ANTICIPATE THE CELL TO PRODUCE LARGE HAIL AND SEVERE WIND
CLOSE TO 70 MPH ACROSS SERN WEBB BEFORE EXITING THE COUNTY DURING
THE NEXT HOUR.  BML.76 **

.CRP...NONE.

In the hours before

Local storm report, Mar 9, 5:59 PM CST, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
559 PM CST THU MAR 09 2000

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION..A..

0544 PM    15 N LAREDO               TX   1.75 INCH HAIL
03/09/00   WEBB                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
Local storm report, Mar 9, 6:42 PM CST, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
642 PM CST THU MAR 09 2000

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0630 PM    15 E LAREDO               TX   1 INCH HAIL
03/09/00   WEBB                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0630 PM    LAREDO                    TX   65 MPH TSTM GUST
03/09/00   WEBB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 6:30 PM CSTSevere Thunderstorm WarningCRPWebb60 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.