Alert archive / Texas / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 36

March 8, 201654 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Mar 8, 2016, 1:18 AM CST for 54 counties in Texas. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
Mar 8, 2016, 1:18 AM CST (07:18 UTC)
Expired
Mar 8, 2016, 11:00 AM CST
In force
10 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 54 counties

Bosque County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Concho County, TX, Cooke County, TX, Crockett County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Edwards County, TX, Erath County, TX, Fannin County, TX, Fisher County, TX, Grayson County, TX, Hamilton County, TX, Haskell County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Irion County, TX, Jack County, TX, Jones County, TX, Kimble County, TX, Lamar County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sterling County, TX, Sutton County, TX, Tarrant County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Val Verde County, TX, Wise County, TX, Young County, TX

The radar

The San Angelo radar (KSJT), 71 km from the middle of the area, began a volume at 07:19 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
2%
Ten or more severe wind reports
20%
One or more gusts of 65 knots or more
5%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 8, 1:40 AM CSTSevere Thunderstorm WarningSJTCrockett, Irion, Schleicher, Tom Green65 min
Mar 8, 1:44 AM CSTSevere Thunderstorm WarningEWXVal Verde46 min
Mar 8, 2:20 AM CSTSevere Thunderstorm WarningSJTCoke, Irion, Tom Green40 min
Mar 8, 3:09 AM CSTSevere Thunderstorm WarningEWXEdwards, Val Verde28 min
Mar 8, 3:49 AM CSTSevere Thunderstorm WarningSJTKimble, Menard, Schleicher, Sutton56 min
Mar 8, 4:21 AM CSTTornado WarningSJTKimble, Menard24 min
Mar 8, 4:44 AM CSTSevere Thunderstorm WarningSJTConcho, Kimble, McCulloch, Mason, Menard, San Saba61 min
Mar 8, 5:23 AM CSTSevere Thunderstorm WarningFWDStephens52 min
Mar 8, 5:29 AM CSTSevere Thunderstorm WarningSJTBrown, Coleman, McCulloch, San Saba46 min
Mar 8, 6:39 AM CSTSevere Thunderstorm WarningFWDErath42 min
Mar 8, 6:59 AM CSTFlash Flood WarningFWDJack, Palo Pinto, Parker3 hr
Mar 8, 7:10 AM CSTSevere Thunderstorm WarningSJTSan Saba65 min
Mar 8, 7:17 AM CSTSevere Thunderstorm WarningFWDErath, Hood, Palo Pinto, Parker, Somervell58 min
Mar 8, 7:25 AM CSTSevere Thunderstorm WarningFWDWise50 min
Mar 8, 7:46 AM CSTTornado WarningFWDHood, Johnson, Parker, Tarrant29 min
Mar 8, 8:02 AM CSTSevere Thunderstorm WarningFWDTarrant58 min
Mar 8, 8:27 AM CSTSevere Thunderstorm WarningFWDDenton63 min
Mar 8, 8:36 AM CSTSevere Thunderstorm WarningFWDDallas54 min
Mar 8, 8:51 AM CSTSevere Thunderstorm WarningFWDCollin54 min
Mar 8, 9:12 AM CSTSevere Thunderstorm WarningFWDGrayson52 min
Mar 8, 9:32 AM CSTSevere Thunderstorm WarningFWDFannin, Hunt58 min
Mar 8, 9:43 AM CSTSevere Thunderstorm WarningFWDCollin19 min
Mar 8, 10:18 AM CSTSevere Thunderstorm WarningFWDLamar57 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

Midland Regional, TX (KMAF), launched 00:00Z, 7.3 hours before the alert went out and 202 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, Midland Regional, TX at 00:00Z on 2016-03-08Temperature 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, Midland Regional, TX at 00:00Z on 2016-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.1939587897Sfc1 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
4057 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
113 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
Mar 7, 6:42 PM CSTMesoscale DiscussionSPCBosque, Comanche, Cooke, Dallas, Denton, Ellis and 10 more63 min
Mar 7, 11:41 PM CSTMesoscale DiscussionSPCBorden, Coke, Concho, Crane, Crockett, Dawson and 27 more2 hr
Mar 8, 3:36 AM CSTMesoscale DiscussionSPCArcher, Baylor, Childress, Clay, Cottle, Dickens and 6 more84 min
Mar 8, 3:57 AM CSTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Clay, Coleman and 36 more2 hr
Mar 8, 7:06 AM CSTMesoscale DiscussionSPCAnderson, Austin, Bastrop, Bell, Blanco, Bosque and 64 more2 hr
Mar 8, 7:24 AM CSTTornado WatchSPCAnderson, Bastrop, Bell, Blanco, Brazos, Burleson and 29 more8 hr
Mar 8, 9:00 AM CSTMesoscale DiscussionSPCAnderson, Bastrop, Bell, Bosque, Burleson, Burnet and 35 more90 min
Mar 8, 10:46 AM CSTMesoscale DiscussionSPCAngelina, Cherokee, Hardin, Houston, Jasper, Liberty and 12 more89 min
Mar 8, 12:41 PM CSTTornado WatchSPCAngelina, Austin, Bowie, Camp, Cass, Chambers and 34 more5 hr
Mar 8, 1:10 PM CSTMesoscale DiscussionSPCBell, Blanco, Bosque, Brown, Burnet, Coke and 32 more95 min
Mar 8, 3:11 PM CSTMesoscale DiscussionSPCAnderson, Angelina, Bowie, Cass, Chambers, Cherokee and 24 more94 min
Mar 8, 5:52 PM CSTMesoscale DiscussionSPCAngelina, Hardin, Jasper, Newton, Sabine, San Augustine and 2 more83 min

Nearby

Severe Thunderstorm Watches in Texas, 2016Every severe thunderstorm watch in 2016

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.