Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 310, NWS Fort Worth, TX

May 12, 2000Lampasas County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 12, 2000, 7:09 PM CDT for Lampasas County, Texas. It was in force for 51 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 12, 2000, 7:09 PM CDT (00:09 UTC)
Expired
May 12, 2000, 8:00 PM CDT
In force
51 min
Issued by
NWS Fort Worth, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Lampasas County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 12, 5:00 PM CDTSevere Thunderstorm WatchSPC5 hr
May 12, 6:15 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.2 hours before the alert went out and 214 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, Fort Worth, TX at 00:00Z on 2000-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2000-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
113 J/kg
Mixed-layer CIN
-544 J/kg
Mixed-layer LCL
2380 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

310 
WUUS54 KFWD 130010
SVRFTW
TXC281-130100-

BULLETIN - IMMEDIATE BROADCSAT REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
709 PM CDT FRI MAY 12 2000

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAMPASAS COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 800 PM CDT

* AT 709 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM JUST NORTHWEST OF LAMPASAS...MOVING SOUTHEAST
  AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAMPASAS AROUND 715 PM CDT

DOPPLER RADAR DETECTED HAIL UP TO GOLBALL SIZE WITH THIS
SEVERE THUNDERSTORM.

A TORNADO WATCH IS IN EFFECT FOR THE WARNING AREA. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH NO WARNING. MOVE IMMEDIATELY
TO A STURDY STRUCTURE IF A TORNADO IS SPOTTED OR THREATENING CLOUDS
APPROACH.

LAT...LON 3113 9816 3106 9835 3103 9838 3104 9806

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 7:15 PM CDTTornado WarningFWDCoryell30 min
May 12, 7:27 PM CDTSevere Thunderstorm WarningFWDMcLennan48 min
May 12, 7:35 PM CDTTornado WarningFWDBell25 min
May 12, 7:40 PM CDTSevere Thunderstorm WarningFWDVan Zandt50 min
May 12, 7:59 PM CDTTornado WarningFWDBell31 min
May 12, 8:11 PM CDTSevere Thunderstorm WarningFWDFalls49 min
May 12, 8:25 PM CDTSevere Thunderstorm WarningFWDVan Zandt50 min
May 12, 8:29 PM CDTSevere Thunderstorm WarningFWDBell46 min
May 12, 8:35 PM CDTSevere Thunderstorm WarningFWDHenderson, Kaufman55 min
May 12, 9:15 PM CDTSevere Thunderstorm WarningFWDVan Zandt45 min
May 12, 9:26 PM CDTSevere Thunderstorm WarningFWDHenderson, Navarro49 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.