Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 10, NWS Austin/San Antonio, TX

May 19, 2015Lee County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 19, 2015, 12:28 PM CDT for Lee County, Texas. It was in force for 32 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
May 19, 2015, 12:28 PM CDT (17:28 UTC)
Expired
May 19, 2015, 1:00 PM CDT
In force
32 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Tornado
Observed
Hail
0.0 in

County Lee County, TX

The radar

The Ft Hood radar (KGRK), 77 km from the middle of the area, began a volume at 17:29 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

Fort Worth, TX (KFWD), launched 12:00Z, 5.5 hours before the alert went out and 287 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 12:00Z on 2015-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1766 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 12:00Z on 2015-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
1766 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
551 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
87 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.

021 
WFUS54 KEWX 191728
TOREWX
TXC287-191800-
/O.NEW.KEWX.TO.W.0010.150519T1728Z-150519T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1228 PM CDT TUE MAY 19 2015

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN LEE COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 100 PM CDT
    
* AT 1228 PM CDT...A TORNADO PRODUCING STORM WAS LOCATED NEAR
  GIDDINGS...MOVING NORTHEAST AT 10 MPH.

  HAZARD...DAMAGING TORNADO. 

  SOURCE...RADAR CONFIRMED TORNADO. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS TORNADIC STORM WILL BE NEAR...
  DIME BOX AROUND 100 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE OLD
DIME BOX AND LOEBAU.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3025 9669 3025 9672 3024 9674 3020 9674
      3013 9683 3022 9698 3043 9687 3041 9682
      3039 9679 3032 9674 3032 9669 3030 9667
      3029 9664
TIME...MOT...LOC 1728Z 212DEG 8KT 3020 9685 

TORNADO...OBSERVED
HAIL...0.00IN

$$

TB3
1 follow-up statement
013 
WWUS54 KEWX 191750
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1250 PM CDT TUE MAY 19 2015

TXC287-191800-
/O.EXP.KEWX.TO.W.0010.000000T0000Z-150519T1800Z/
LEE TX-
1250 PM CDT TUE MAY 19 2015

...THE TORNADO WARNING FOR SOUTHEASTERN LEE COUNTY WILL EXPIRE AT 100
PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3025 9669 3025 9672 3024 9674 3020 9674
      3013 9683 3022 9698 3043 9687 3041 9682
      3039 9679 3032 9674 3032 9669 3030 9667
      3029 9664
TIME...MOT...LOC 1747Z 212DEG 8KT 3020 9685 

$$

TB3

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 7:03 PM CDTSpecial Weather StatementEWXLlano42 min
May 18, 7:31 PM CDTSevere Thunderstorm WarningEWXLlano34 min
May 18, 9:18 PM CDTSpecial Weather StatementEWXBurnet27 min
May 18, 9:42 PM CDTAreal Flood AdvisoryEWXBurnet2 hr
May 19, 9:54 AM CDTAreal Flood AdvisoryEWXBastrop, Lee, Williamson2 hr
May 19, 11:58 AM CDTAreal Flood AdvisoryEWXLee2 hr
May 19, 12:09 PM CDTSpecial Weather StatementEWXLee51 min

Nearby

Tornado Warnings in Texas, 2015Every tornado warning in 2015Tornadoes in 2015

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.