Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 4, NWS Corpus Christi, TX

March 14, 2000Duval County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Mar 14, 2000, 12:24 PM CST for Duval County, Texas. It was in force for 66 min. 2 reports 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 14, 2000, 12:24 PM CST (18:24 UTC)
Expired
Mar 14, 2000, 1:30 PM CST
In force
66 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Duval County, TX

The radar

The Corpus Christi radar (KCRP), 98 km from the middle of the area, began a volume at 18:27 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.

What was reported inside it

TimeReportWhereRemark
Mar 14, 12:30 PM CSTHail 0.75Concepcion, TX
Mar 14, 12:30 PM CSTThunderstorm Wind 61 EConcepcion, 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 12:00Z, 6.4 hours before the alert went out and 113 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 12:00Z on 2000-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 514 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 12:00Z on 2000-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.193958Sfc1 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
514 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
677 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

437 
WUUS54 KCRP 141825
SVRCRP
TXC131-141930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1224 PM CST TUE MAR 14 2000

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 130 PM CST

* AT 1222 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES SOUTHEAST OF REALITOS...OR ABOUT 13
  MILES NORTHEAST OF HEBBRONVILLE...MOVING NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR REALITOS AROUND 1215 PM CST...
  10 MILES SOUTHEAST OF BENAVIDES AROUND 1255 PM CST...
  7 MILES NORTHWEST OF CONCEPCION AROUND 100 PM CST...
  NEAR RIOS AROUND 105 PM CST...

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

REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR 
NO ADVANCE WARNING.

LAT...LON 2745 9863 2731 9848 2731 9825 2787 9825

$$

MJG

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 14, 9:45 AM CST, 2 hours 39 minutes earlier.

Area forecast discussion, Mar 14, 9:45 AM CST, 2 hours 39 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
945 AM CST TUE MAR 14 2000

SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP IN AREA OF WARM
FRONTOGENESIS IN NORTHERN AND EASTERN CWFA.  DWPTS BEHIND WARM FRONT
HAVE JUMPED TO AROUND 70.  THREAT OF HEAVY RAIN CONTINUES ESPECIALLY
IN EAST AND NORTHEAST PARTS OF CWFA.  WILL MAKE NO CHANGES TO CURRENT
SET OF ZONES...EVERYTHING IS SET TO 100 PERCENT POPS AND LOCALLY
NHEAVY RAIN.  KCRP WSR-88D PICKS UP BRIEF SPIN-UP MESOS/TVS'S IN GULF
WHERE WARM FRONT IS LOCATED.  NO CHANGES TO CURRENT MARINE PACKAGE.

.CRP...NONE.

78

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 12:48 PM CSTSevere Thunderstorm WarningCRPJim Wells42 min
Mar 14, 1:24 PM CSTFlash Flood WarningCRPAransas, Jim Wells, Kleberg, Nueces, Refugio, San Patricio3 hr
Mar 14, 1:45 PM CSTSevere Thunderstorm WarningCRPAransas, San Patricio45 min
Mar 14, 2:02 PM CSTSevere Thunderstorm WarningCRPKleberg, Nueces43 min
Mar 14, 2:48 PM CSTSevere Thunderstorm WarningCRPKleberg27 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; radar from the NEXRAD Level II archive.