Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 39, NWS San Angelo, TX

May 28, 2015Mason County, Texas

NWS San Angelo, TX issued this tornado warning at May 28, 2015, 9:59 PM CDT for Mason County, Texas. It was in force for 31 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 28, 2015, 9:59 PM CDT (02:59 UTC)
Expired
May 28, 2015, 10:30 PM CDT
In force
31 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Mason County, TX

The radar

The San Angelo radar (KSJT), 125 km from the middle of the area, began a volume at 03:00 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
May 28, 7:58 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 3.0 hours before the alert went out and 215 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 2015-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2419 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 2015-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
2419 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1473 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

539 
WFUS54 KSJT 290259
TORSJT
TXC319-290330-
/O.NEW.KSJT.TO.W.0039.150529T0259Z-150529T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
959 PM CDT THU MAY 28 2015

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN MASON COUNTY IN WEST CENTRAL TEXAS...

* UNTIL 1030 PM CDT

* AT 957 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR LONG MOUNTAIN...AND MOVING EAST AT 30 MPH.

  HAZARD...TORNADO.

  SOURCE...RADAR INDICATED ROTATION.

  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 DANGEROUS STORM WILL BE NEAR...
  STREETER AROUND 1005 PM CDT.
  GRIT AROUND 1015 PM CDT.
  MASON AROUND 1025 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE THE INTERSECTION OF HIGHWAY 29
AND RANCH ROAD 1222 AND KOOCKVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3083 9948 3094 9927 3094 9922 3066 9918
      3066 9948
TIME...MOT...LOC 0259Z 270DEG 25KT 3075 9944

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$


JOHNSON
1 follow-up statement
363 
WWUS54 KSJT 290310
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
1010 PM CDT THU MAY 28 2015

TXC319-290330-
/O.CON.KSJT.TO.W.0039.000000T0000Z-150529T0330Z/
MASON TX-
1010 PM CDT THU MAY 28 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN MASON COUNTY
UNTIL 1030 PM CDT...

AT 1008 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR STREETER...AND MOVING EAST AT 30 MPH.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION.

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 DANGEROUS STORM WILL BE NEAR...
MASON AROUND 1025 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE KOOCKVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3081 9944 3094 9927 3094 9922 3066 9918
      3066 9948
TIME...MOT...LOC 0310Z 275DEG 26KT 3073 9934

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 7:02 PM CDTAreal Flood AdvisorySJTCoke, Irion, Sterling, Tom Green3 hr
May 28, 7:09 PM CDTFlash Flood WarningSJTCallahan, Nolan, Taylor3 hr
May 28, 7:09 PM CDTSpecial Weather StatementSJTIrion, Tom Green51 min
May 28, 7:17 PM CDTAreal Flood AdvisorySJTCrockett118 min
May 28, 7:19 PM CDTSevere Thunderstorm WarningSJTIrion, Schleicher, Sterling, Tom Green41 min
May 28, 7:30 PM CDTSpecial Weather StatementSJTCoke, Nolan, Runnels, Taylor45 min
May 28, 7:41 PM CDTFlash Flood WarningSJTCoke, Irion, Runnels, Tom Green3 hr
May 28, 7:44 PM CDTSpecial Weather StatementSJTBrown, Callahan, Coleman61 min
May 28, 7:52 PM CDTSevere Thunderstorm WarningSJTBrown, Callahan, Coke, Coleman, Concho, Runnels and 2 more38 min
May 28, 7:57 PM CDTAreal Flood AdvisorySJTBrown, Coleman2 hr
May 28, 7:58 PM CDTSevere Thunderstorm WarningSJTConcho, Menard, Schleicher, Tom Green47 min
May 28, 8:11 PM CDTSpecial Weather StatementSJTCrockett, Schleicher49 min
May 28, 8:17 PM CDTSevere Thunderstorm WarningSJTCrockett, Schleicher, Sutton58 min
May 28, 8:19 PM CDTAreal Flood AdvisorySJTConcho, Menard, Schleicher116 min
May 28, 8:45 PM CDTSpecial Weather StatementSJTBrown, McCulloch45 min
May 28, 8:48 PM CDTSpecial Weather StatementSJTConcho, Menard42 min
May 28, 8:55 PM CDTAreal Flood AdvisorySJTCrockett, Sutton2 hr
May 28, 8:58 PM CDTSevere Thunderstorm WarningSJTKimble, Menard, Schleicher, Sutton47 min
May 28, 9:11 PM CDTSevere Thunderstorm WarningSJTBrown, Coleman, Concho, McCulloch, San Saba49 min
May 28, 9:18 PM CDTAreal Flood AdvisorySJTMcCulloch, San Saba3 hr
May 28, 9:25 PM CDTFlash Flood WarningSJTBrown3 hr
May 28, 9:31 PM CDTSevere Thunderstorm WarningSJTKimble, McCulloch, Mason, Menard59 min
May 28, 9:36 PM CDTTornado WarningSJTKimble, Mason, Menard24 min
May 28, 9:38 PM CDTAreal Flood AdvisorySJTKimble, Mason3 hr
May 28, 9:56 PM CDTSpecial Weather StatementSJTBrown, McCulloch, San Saba49 min
May 28, 10:10 PM CDTFlash Flood WarningSJTKimble, Mason, Menard3 hr
May 28, 10:23 PM CDTSevere Thunderstorm WarningSJTKimble, Mason52 min
May 28, 10:38 PM CDTSpecial Weather StatementSJTSan Saba37 min
May 29, 4:17 AM CDTFlash Flood WatchSJTBrown, Callahan, Coke, Coleman, Concho, Crockett and 18 more26 hr

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.