Alert archive / Texas / Tornado Watches in 2016
Tornado Watch 257
The Storm Prediction Center issued this tornado watch at Jun 14, 2016, 5:51 PM CDT for 7 counties in Oklahoma; 16 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 14, 2016, 5:51 PM CDT (22:51 UTC)
- Expired
- Jun 14, 2016, 10:13 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 23 counties
Comanche County, OK, Cotton County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Briscoe County, TX, Childress County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Foard County, TX, Hall County, TX, Hardeman County, TX, King County, TX, Knox County, TX, Motley County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 104 km from the middle of the area, began a volume at 22:51 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
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 6:25 PM CDT | Severe Thunderstorm Warning | LUB | Cottle, Motley | 50 min |
| Jun 14, 7:06 PM CDT | Severe Thunderstorm Warning | LUB | Cottle, King | 39 min |
| Jun 14, 7:20 PM CDT | Severe Thunderstorm Warning | LUB | Cottle, Motley | 25 min |
| Jun 14, 7:39 PM CDT | Severe Thunderstorm Warning | LUB | Cottle, King | 51 min |
| Jun 14, 8:19 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 41 min |
| Jun 14, 8:21 PM CDT | Severe Thunderstorm Warning | LUB | Cottle, King | 54 min |
| Jun 14, 8:57 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 48 min |
| Jun 14, 9:13 PM CDT | Severe Thunderstorm Warning | LUB | Cottle, King | 32 min |
| Jun 14, 9:16 PM CDT | Severe Thunderstorm Warning | OUN | Knox | 44 min |
| Jun 14, 9:36 PM CDT | Severe Thunderstorm Warning | OUN | Knox | 28 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, 10.9 hours before the alert went out and 175 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.
- Mixed-layer CAPE
- 833 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.2
The text
As transmitted.
722
WWUS20 KWNS 142248
SEL7
SPC WW 142248
OKZ000-TXZ000-150600-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 257
NWS STORM PREDICTION CENTER NORMAN OK
550 PM CDT TUE JUN 14 2016
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
SOUTHWEST OKLAHOMA
EASTERN PARTS OF THE TEXAS SOUTH PLAINS AND WESTERN NORTH TEXAS
* EFFECTIVE THIS TUESDAY AFTERNOON AND WEDNESDAY MORNING FROM 550
PM UNTIL 100 AM CDT.
* PRIMARY THREATS INCLUDE...
A COUPLE TORNADOES POSSIBLE
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
INCHES IN DIAMETER POSSIBLE
ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS...INCLUDING A
COUPLE SUPERCELLS CAPABLE OF LARGE HAIL...LOCALLY DAMAGING
WIND...AND TORNADOS...EXPECTED TO FORM/PERSIST OVER WATCH AREA
THROUGH LATE EVENING.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 60 MILES WEST SOUTHWEST OF
CHILDRESS TEXAS TO 20 MILES SOUTH OF FORT SILL OKLAHOMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).
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 254...WW 255...WW 256...
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 28020.
...CORFIDISPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 8:25 PM CDT | Mesoscale Discussion | SPC | Beaver | 95 min |
| Jun 13, 9:02 PM CDT | Mesoscale Discussion | SPC | Ellis, Harper, Roger Mills, Woodward | 88 min |
| Jun 13, 10:34 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Custer, Greer, Harmon and 3 more | 2 hr |
| Jun 13, 10:45 PM CDT | Mesoscale Discussion | SPC | Ellis, Harper, Roger Mills, Woodward | 90 min |
| Jun 14, 4:02 PM CDT | Mesoscale Discussion | SPC | Beckham, Caddo, Carter, Comanche, Cotton, Greer and 7 more | 88 min |
| Jun 13, 10:56 PM CDT | Mesoscale Discussion | SPC | Donley, Wheeler | 94 min |
| Jun 14, 5:31 PM CDT | Mesoscale Discussion | SPC | Cottle, Foard, Hardeman, Motley, Wilbarger | 59 min |
| Jun 14, 6:56 PM CDT | Mesoscale Discussion | SPC | Cottle, Foard, Hardeman | 94 min |
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.