Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 252, NWS Austin/San Antonio, TX

June 5, 2007Frio County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 5, 2007, 6:34 AM CDT for Frio County, Texas. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 5, 2007, 6:34 AM CDT (11:34 UTC)
Expired
Jun 5, 2007, 7:30 AM CDT
In force
56 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Frio County, TX

The radar

The Laughlin AFB radar (KDFX), 118 km from the middle of the area, began a volume at 11:34 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 5, 5:13 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 11.6 hours before the alert went out and 173 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 2007-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2861 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, Del Rio, TX at 00:00Z on 2007-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
2861 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1650 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 051140
SVREWX
TXC163-051230-
/O.NEW.KEWX.SV.W.0252.070605T1134Z-070605T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
634 AM CDT TUE JUN 5 2007

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FRIO COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITIES OF...PEARSALL...DILLEY...

* UNTIL 730 AM CDT

* AT 634 AM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF
  THUNDERSTORMS DEVELOPING EAST TOWARD FRIO COUNTY.  THESE  
  THUNDERSTORMS WILL MOVE OVER FRIO COUNTY IN THE NEXT HOUR. 
  WIND GUSTS TO NEAR AND ABOVE 60 MPH AND PENNY SIZE HAIL 
  IS EXPECTED. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PEARSALL BY 640 AM CDT...

LAT...LON 2864 9881 2864 9940 2909 9941 2908 9939
      2909 9938 2909 9882

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 2:24 AM CDTSevere Thunderstorm WarningEWXVal Verde81 min
Jun 5, 3:40 AM CDTSevere Thunderstorm WarningEWXVal Verde50 min
Jun 5, 4:35 AM CDTSevere Thunderstorm WarningEWXEdwards55 min
Jun 5, 4:53 AM CDTSevere Thunderstorm WarningEWXKinney, Maverick67 min
Jun 5, 5:28 AM CDTSevere Thunderstorm WarningEWXDimmit, Zavala77 min
Jun 5, 5:54 AM CDTSevere Thunderstorm WarningEWXMaverick51 min
Jun 5, 6:41 AM CDTFlash Flood WarningEWXDimmit3 hr
Jun 5, 6:45 AM CDTSevere Thunderstorm WarningEWXDimmit, Zavala45 min
Jun 5, 7:24 AM CDTSevere Thunderstorm WarningEWXFrio51 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007Every severe thunderstorm warning in 2007

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.