Alert archive / Texas / Tornado Watches in 2016

Tornado Watch 252

June 13, 2016Beaver County, Cimarron County, Texas County, Oklahoma; 23 counties in Texas

The Storm Prediction Center issued this tornado watch at Jun 13, 2016, 6:31 PM CDT for Beaver County, Cimarron County, Texas County, Oklahoma; 23 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 13, 2016, 6:31 PM CDT (23:31 UTC)
Expired
Jun 14, 2016, 12:55 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 26 counties

Beaver County, OK, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 78 km from the middle of the area, began a volume at 23:33 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
40%
One or more EF2 to EF5 tornadoes
20%
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
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 13, 6:31 PM CDTSevere Thunderstorm WarningAMADallam59 min
Jun 13, 6:38 PM CDTSevere Thunderstorm WarningAMATexas67 min
Jun 13, 6:40 PM CDTSevere Thunderstorm WarningLUBCastro, Parmer50 min
Jun 13, 6:59 PM CDTSevere Thunderstorm WarningAMACarson, Potter61 min
Jun 13, 7:50 PM CDTTornado WarningAMAPotter25 min
Jun 13, 8:07 PM CDTTornado WarningAMAMoore23 min
Jun 13, 8:12 PM CDTSevere Thunderstorm WarningAMACarson, Potter48 min
Jun 13, 8:23 PM CDTTornado WarningAMACarson, Potter24 min
Jun 13, 8:46 PM CDTSevere Thunderstorm WarningAMAPotter24 min
Jun 13, 8:53 PM CDTSevere Thunderstorm WarningAMACarson82 min
Jun 13, 9:39 PM CDTSevere Thunderstorm WarningAMAPotter, Randall45 min
Jun 13, 10:00 PM CDTSevere Thunderstorm WarningAMAGray, Roberts37 min
Jun 14, 12:06 AM CDTSevere Thunderstorm WarningAMACollingsworth, Donley54 min
Jun 14, 12:21 AM CDTSevere Thunderstorm WarningAMAHartley, Moore39 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.5 hours before the alert went out and 78 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, Amarillo Airport, TX at 12:00Z on 2016-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1120 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, Amarillo Airport, TX at 12:00Z on 2016-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 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
1120 J/kg
Mixed-layer CIN
-195 J/kg
Mixed-layer LCL
1377 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

136 
WWUS20 KWNS 132326
SEL2  
SPC WW 132326
OKZ000-TXZ000-140700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 252
NWS STORM PREDICTION CENTER NORMAN OK
630 PM CDT MON JUN 13 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  THE OKLAHOMA PANHANDLE
  THE TEXAS PANHANDLE AND NORTHERN PARTS OF THE TEXAS SOUTH PLAINS

* EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 630 PM
  UNTIL 200 AM CDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
    TO 2.5 INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...SCATTERED STRONG TO SEVERE THUNDERSTORMS...INCLUDING A FEW
SUPERCELLS WITH VERY LARGE HAIL...LOCALLY DAMAGING WIND...AND A
COUPLE TORNADOS...EXPECTED TO PERSIST OVER THE TX PANHANDLE REGION
THROUGH LATE TONIGHT...WITH A GENERAL EAST TO EAST-NORTHEAST MOTION
OF OVERALL THREAT.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHEAST OF GUYMON
OKLAHOMA TO 65 MILES SOUTH SOUTHWEST OF AMARILLO TEXAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).

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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 249...WW 250...WW 251...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24025.


...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 2:27 PM CDTTornado WatchSPCCimarron, Texas8 hr
Jun 13, 5:16 PM CDTMesoscale DiscussionSPCCimarron89 min
Jun 13, 6:12 PM CDTMesoscale DiscussionSPCBeaver63 min
Jun 13, 6:49 PM CDTSevere Thunderstorm WatchSPCEllis, Harper, Roger Mills, Woodward6 hr
Jun 13, 4:43 PM CDTMesoscale DiscussionSPCAndrews, Bailey, Borden, Cochran, Dawson, Gaines and 10 more3 hr

Nearby

Tornado Watches in Texas, 2016Tornado Watches in Oklahoma, 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.