Alert archive / Texas / Tornado Watches in 2016

Tornado Watch 199

May 23, 201643 counties in Texas

The Storm Prediction Center issued this tornado watch at May 23, 2016, 2:32 PM CDT for 43 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 23, 2016, 2:32 PM CDT (19:32 UTC)
Expired
May 23, 2016, 10:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
4 in
Strongest gust expected
60 kt
All 43 counties

Borden County, TX, Brewster County, TX, Briscoe County, TX, Childress County, TX, Coke County, TX, Cottle County, TX, Crane County, TX, Crockett County, TX, Crosby County, TX, Dickens County, TX, Edwards County, TX, Fisher County, TX, Floyd County, TX, Garza County, TX, Glasscock County, TX, Hale County, TX, Hall County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kent County, TX, King County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Taylor County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX

The radar

The Lubbock radar (KLBB), 127 km from the middle of the area, began a volume at 19:32 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
60%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
95%
One or more hailstones of 2 inches or more
70%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 23, 3:01 PM CDTSevere Thunderstorm WarningMAFPecos59 min
May 23, 3:33 PM CDTSevere Thunderstorm WarningMAFPecos57 min
May 23, 4:09 PM CDTSevere Thunderstorm WarningMAFCrane, Reagan, Upton66 min
May 23, 4:22 PM CDTSevere Thunderstorm WarningSJTCrockett23 min
May 23, 4:37 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell68 min
May 23, 4:48 PM CDTSevere Thunderstorm WarningSJTCrockett42 min
May 23, 5:04 PM CDTSevere Thunderstorm WarningLUBCrosby, Floyd, Hale, Lubbock41 min
May 23, 5:08 PM CDTSevere Thunderstorm WarningLUBBriscoe, Floyd, Hall37 min
May 23, 5:20 PM CDTSevere Thunderstorm WarningEWXVal Verde40 min
May 23, 5:30 PM CDTSevere Thunderstorm WarningMAFTerrell45 min
May 23, 5:43 PM CDTSevere Thunderstorm WarningLUBFloyd24 min
May 23, 5:58 PM CDTTornado WarningMAFTerrell32 min
May 23, 6:03 PM CDTSevere Thunderstorm WarningMAFBorden, Glasscock, Howard, Mitchell57 min
May 23, 6:14 PM CDTSevere Thunderstorm WarningMAFTerrell61 min
May 23, 6:15 PM CDTSevere Thunderstorm WarningLUBBriscoe45 min
May 23, 6:42 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson63 min
May 23, 7:04 PM CDTSevere Thunderstorm WarningLUBBriscoe, Hall26 min
May 23, 7:07 PM CDTSevere Thunderstorm WarningEWXVal Verde53 min
May 23, 7:16 PM CDTSevere Thunderstorm WarningMAFTerrell49 min
May 23, 7:22 PM CDTSevere Thunderstorm WarningLUBLynn38 min
May 23, 7:30 PM CDTSevere Thunderstorm WarningLUBBriscoe, Hall45 min
May 23, 7:32 PM CDTTornado WarningMAFTerrell28 min
May 23, 7:35 PM CDTTornado WarningEWXVal Verde40 min
May 23, 7:35 PM CDTSevere Thunderstorm WarningLUBGarza25 min
May 23, 8:00 PM CDTSevere Thunderstorm WarningLUBGarza, Kent, Lynn30 min
May 23, 8:14 PM CDTSevere Thunderstorm WarningEWXVal Verde46 min
May 23, 8:15 PM CDTFlash Flood WarningLUBHall2 hr
May 23, 8:15 PM CDTSevere Thunderstorm WarningLUBHall, Motley45 min
May 23, 8:27 PM CDTSevere Thunderstorm WarningLUBCrosby, Garza48 min
May 23, 8:28 PM CDTSevere Thunderstorm WarningLUBDickens, Garza, Kent9 min
May 23, 8:58 PM CDTSevere Thunderstorm WarningLUBHall, Motley32 min
May 23, 9:00 PM CDTSevere Thunderstorm WarningLUBCrosby, Dickens, Motley45 min
May 23, 9:23 PM CDTTornado WarningLUBHall, Motley22 min
May 23, 9:26 PM CDTSevere Thunderstorm WarningLUBChildress, Cottle, Hall, Motley49 min
May 23, 9:44 PM CDTTornado Warning Tornado observedConsiderable damage threatLUBHall, Motley31 min
May 23, 9:56 PM CDTFlash Flood WarningLUBHall, Motley109 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 12:00Z, 7.5 hours before the alert went out and 138 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 12:00Z on 2016-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2825 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2016-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
2825 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted.

038 
WWUS20 KWNS 231930
SEL9  
SPC WW 231930
TXZ000-240300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 199
NWS STORM PREDICTION CENTER NORMAN OK
230 PM CDT MON MAY 23 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  WEST TEXAS

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 230 PM UNTIL
  1000 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES POSSIBLE
  WIDESPREAD LARGE HAIL EXPECTED WITH ISOLATED VERY LARGE HAIL
    EVENTS TO 4 INCHES IN DIAMETER LIKELY
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...ISOLATED SUPERCELL THUNDERSTORMS ARE FORECAST TO FORM
ALONG THE DRYLINE OVER WEST TX THIS AFTERNOON AND MOVE SLOWLY
EASTWARD ACROSS THE WATCH AREA.  VERY LARGE HAIL WILL BE THE MAIN
RISK WITH STORMS...BUT THE STRONGEST CELLS COULD ALSO PRODUCE A
TORNADO OR TWO.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHWEST OF
CHILDRESS TEXAS TO 55 MILES EAST SOUTHEAST OF DRYDEN TEXAS.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

&&

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27025.


...HART

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 7:02 PM CDTMesoscale DiscussionSPCBeaver118 min
May 22, 7:46 PM CDTMesoscale DiscussionSPCComanche, Greer, Jackson, Kiowa, Tillman89 min
May 22, 8:48 PM CDTSevere Thunderstorm WatchSPCComanche, Cotton, Greer, Harmon, Jackson, Jefferson and 3 more5 hr
May 22, 9:10 PM CDTMesoscale DiscussionSPCBeaver65 min
May 23, 1:36 AM CDTMesoscale DiscussionSPCCarter, Comanche, Cotton, Jefferson, Love, Marshall and 2 more84 min
May 23, 2:15 AM CDTSevere Thunderstorm WatchSPCCarter, Cotton, Jackson, Jefferson, Love, Marshall and 2 more5 hr
May 23, 4:58 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Jefferson, Love, Marshall and 1 more62 min
May 23, 2:18 PM CDTMesoscale DiscussionSPCBeckham, Dewey, Ellis, Harmon, Harper, Major and 3 more117 min
May 23, 3:37 PM CDTTornado WatchSPCBeaver, Beckham, Custer, Dewey, Ellis, Greer and 9 more8 hr
May 23, 6:08 PM CDTMesoscale DiscussionSPCBeaver, Beckham, Custer, Dewey, Ellis, Greer and 9 more2 hr
May 22, 9:35 PM CDTMesoscale DiscussionSPCIrion, Reagan85 min
May 23, 1:32 PM CDTMesoscale DiscussionSPCBorden, Coke, Crockett, Crosby, Dawson, Garza and 15 more118 min
May 23, 5:29 PM CDTMesoscale DiscussionSPCBorden, Briscoe, Coke, Cottle, Crockett, Crosby and 30 more91 min

Nearby

Tornado Watches in Texas, 2016Every tornado 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.