Alert archive / Texas / Severe Thunderstorm Watches in 2014

Severe Thunderstorm Watch 191

May 27, 201451 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2014, 3:18 PM CDT for 51 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 27, 2014, 3:18 PM CDT (20:18 UTC)
Expired
May 27, 2014, 9:29 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 51 counties

Bell County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fannin County, TX, Freestone County, TX, Grayson County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lampasas County, TX, Limestone County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Mills County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, San Saba County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Throckmorton County, TX, Travis County, TX, Van Zandt County, TX, Williamson County, TX, Wise County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 48 km from the middle of the area, began a volume at 20:19 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
20%
One or more EF2 to EF5 tornadoes
5%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
40%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 27, 4:06 PM CDTSevere Thunderstorm WarningSJTBrown39 min
May 27, 4:08 PM CDTSevere Thunderstorm WarningSJTSan Saba52 min
May 27, 4:16 PM CDTSevere Thunderstorm WarningFWDMills59 min
May 27, 4:38 PM CDTTornado WarningSJTSan Saba37 min
May 27, 4:52 PM CDTSevere Thunderstorm WarningFWDBosque, Erath, Hood, Somervell53 min
May 27, 4:56 PM CDTSevere Thunderstorm WarningSJTSan Saba49 min
May 27, 4:59 PM CDTSevere Thunderstorm WarningFWDJohnson61 min
May 27, 5:10 PM CDTTornado WarningSJTSan Saba35 min
May 27, 5:32 PM CDTSevere Thunderstorm WarningFWDBosque58 min
May 27, 5:46 PM CDTTornado WarningSJTSan Saba29 min
May 27, 5:52 PM CDTSevere Thunderstorm WarningFWDBosque, Erath, Hamilton, Somervell38 min
May 27, 6:04 PM CDTSevere Thunderstorm WarningEWXBurnet, Llano56 min
May 27, 6:10 PM CDTTornado WarningEWXBurnet, Llano50 min
May 27, 6:34 PM CDTFlash Flood WarningFWDBosque, Hill116 min
May 27, 7:01 PM CDTSevere Thunderstorm WarningEWXBlanco, Burnet, Travis44 min
May 27, 7:45 PM CDTSevere Thunderstorm WarningEWXHays, Travis45 min
May 27, 8:26 PM CDTSevere Thunderstorm WarningEWXCaldwell, Guadalupe, Hays, Travis64 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.3 hours before the alert went out and 58 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 2014-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Fort Worth, TX at 12:00Z on 2014-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 7:38 PM CDTMesoscale DiscussionSPCComanche, Eastland, Erath, Hamilton, Jack, Lampasas and 4 more67 min
May 26, 8:04 PM CDTMesoscale DiscussionSPCBorden, Coke, Crane, Crockett, Dickens, Edwards and 19 more86 min
May 26, 10:21 PM CDTMesoscale DiscussionSPCBrown, Coleman, Concho, Irion, McCulloch, Reagan and 2 more54 min
May 26, 11:45 PM CDTMesoscale DiscussionSPCStarr60 min
May 27, 2:17 AM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Blanco, Caldwell, Comal and 9 more2 hr
May 27, 9:19 AM CDTMesoscale DiscussionSPCJasper, Jefferson, Newton, Orange, Sabine56 min
May 27, 3:03 PM CDTMesoscale DiscussionSPCBosque, Brown, Callahan, Coleman, Collin, Comanche and 30 more117 min
May 27, 3:13 PM CDTMesoscale DiscussionSPCAransas, Atascosa, Bee, Duval, Frio, Goliad and 10 more62 min
May 27, 3:40 PM CDTTornado WatchSPCAransas, Atascosa, Bandera, Bee, Bexar, Blanco and 24 more6 hr
May 27, 5:30 PM CDTMesoscale DiscussionSPCAransas, Atascosa, Bee, Duval, Frio, Goliad and 10 more90 min
May 27, 6:00 PM CDTMesoscale DiscussionSPCBell, Bosque, Coryell, Ellis, Falls, Hamilton and 8 more90 min
May 27, 6:27 PM CDTMesoscale DiscussionSPCKenedy, Willacy93 min
May 27, 6:40 PM CDTTornado WatchSPCBrooks, Kenedy, Willacy2 hr

Nearby

Severe Thunderstorm Watches in Texas, 2014Every severe thunderstorm watch in 2014

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.