Alert archive / Texas / Tornado Watches in 2016
Tornado Watch 94
The Storm Prediction Center issued this tornado watch at Apr 16, 2016, 4:49 PM CDT for 31 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 16, 2016, 4:49 PM CDT (21:49 UTC)
- Expired
- Apr 17, 2016, 12:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 31 counties
Borden County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crane County, TX, Crockett County, TX, Ector County, TX, Fisher County, TX, Glasscock County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Terrell County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX
The radar
The San Angelo radar (KSJT), 78 km from the middle of the area, began a volume at 21:52 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
- 30%
- 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
- 70%
Warnings issued inside it
36 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 4:59 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Nolan | 46 min |
| Apr 16, 5:00 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell, Scurry | 30 min |
| Apr 16, 5:43 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Nolan | 47 min |
| Apr 16, 5:55 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Glasscock, Howard, Mitchell | 50 min |
| Apr 16, 6:03 PM CDT | Tornado Warning | SJT | Fisher | 27 min |
| Apr 16, 6:21 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Howard, Mitchell, Scurry | 54 min |
| Apr 16, 6:28 PM CDT | Tornado Warning | SJT | Fisher | 32 min |
| Apr 16, 6:43 PM CDT | Tornado Warning | MAF | Borden, Howard, Mitchell, Scurry | 47 min |
| Apr 16, 6:58 PM CDT | Tornado Warning | SJT | Fisher, Jones | 13 min |
| Apr 16, 7:02 PM CDT | Severe Thunderstorm Warning | MAF | Crane, Pecos, Reagan, Upton | 43 min |
| Apr 16, 7:13 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 32 min |
| Apr 16, 7:33 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell, Scurry | 57 min |
| Apr 16, 7:37 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock, Reagan, Upton | 38 min |
| Apr 16, 7:39 PM CDT | Severe Thunderstorm Warning | MAF | Crane, Pecos, Reagan, Upton | 51 min |
| Apr 16, 7:50 PM CDT | Tornado Warning | MAF | Scurry | 25 min |
| Apr 16, 7:57 PM CDT | Tornado Warning | MAF | Reagan | 33 min |
| Apr 16, 7:58 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock, Howard, Mitchell | 47 min |
| Apr 16, 8:09 PM CDT | Flash Flood Warning | MAF | Crane, Reagan, Upton | 3 hr |
| Apr 16, 8:12 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock, Reagan, Upton | 48 min |
| Apr 16, 8:18 PM CDT | Tornado Warning | SJT | Fisher, Nolan | 42 min |
| Apr 16, 8:27 PM CDT | Severe Thunderstorm Warning | MAF | Crane, Reagan, Upton | 48 min |
| Apr 16, 8:35 PM CDT | Severe Thunderstorm Warning | SJT | Irion | 27 min |
| Apr 16, 8:41 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell, Scurry | 43 min |
| Apr 16, 8:55 PM CDT | Severe Thunderstorm Warning | MAF | Pecos | 50 min |
| Apr 16, 8:57 PM CDT | Flash Flood Warning | MAF | Mitchell, Scurry | 4 hr |
| Apr 16, 8:57 PM CDT | Severe Thunderstorm Warning | SJT | Irion, Sterling, Tom Green | 33 min |
| Apr 16, 8:59 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Nolan | 46 min |
| Apr 16, 9:11 PM CDT | Severe Thunderstorm Warning | MAF | Reagan | 49 min |
| Apr 16, 9:33 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Irion, Sterling, Tom Green | 27 min |
| Apr 16, 9:38 PM CDT | Flash Flood Warning | SJT | Fisher, Nolan | 3 hr |
| Apr 16, 9:49 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Irion, Sterling, Tom Green | 26 min |
| Apr 16, 10:11 PM CDT | Severe Thunderstorm Warning | MAF | Pecos | 49 min |
| Apr 16, 10:26 PM CDT | Flash Flood Warning | SJT | Crockett, Irion, Sterling, Tom Green | 3 hr |
| Apr 16, 11:21 PM CDT | Severe Thunderstorm Warning | SJT | Irion, Tom Green | 39 min |
| Apr 16, 11:41 PM CDT | Flash Flood Warning | SJT | Irion, Tom Green | 3 hr |
| Apr 17, 12:00 AM CDT | Severe Thunderstorm Warning | SJT | Callahan, Jones, Shackelford, Taylor | 45 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, 9.8 hours before the alert went out and 99 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
- 673 J/kg
- Mixed-layer CIN
- -141 J/kg
- Mixed-layer LCL
- 841 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted.
267
WWUS20 KWNS 162146
SEL4
SPC WW 162146
TXZ000-170500-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 94
NWS STORM PREDICTION CENTER NORMAN OK
445 PM CDT SAT APR 16 2016
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
WEST TEXAS
* EFFECTIVE THIS SATURDAY AFTERNOON FROM 445 PM UNTIL MIDNIGHT
CDT.
* PRIMARY THREATS INCLUDE...
A COUPLE TORNADOES POSSIBLE
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...WE EXPECT ISOLATED SUPERCELLS FOR A FEW HOURS...OFFERING
LARGE HAIL...SEVERE GUSTS AND THE RISK OF A COUPLE TORNADOES. THAT
SHOULD BE FOLLOWED LATER THIS EVENING BY GROWTH OF SCATTERED
THUNDERSTORMS ON THE DRYLINE...ULTIMATELY EVOLVING INTO A
SUBSTANTIAL SQUALL LINE WITH DAMAGING GUSTS AND OCCASIONAL SEVERE
HAIL LIKELY.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 85 MILES SOUTHWEST OF SAN
ANGELO TEXAS TO 55 MILES NORTHWEST OF ABILENE TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
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 93...
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 23025.
...EDWARDSSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 9:07 PM CDT | Mesoscale Discussion | SPC | Armstrong, Carson, Castro, Dallam, Deaf Smith, Hansford and 9 more | 83 min |
| Apr 15, 9:53 PM CDT | Severe Thunderstorm Watch | SPC | Armstrong, Bailey, Briscoe, Carson, Castro, Dallam and 18 more | 7 hr |
| Apr 15, 11:52 PM CDT | Mesoscale Discussion | SPC | Armstrong, Carson, Castro, Dallam, Deaf Smith, Hansford and 11 more | 113 min |
| Apr 16, 2:22 AM CDT | Mesoscale Discussion | SPC | Dallam, Hansford, Hartley, Moore, Ochiltree, Sherman | 53 min |
| Apr 16, 1:50 PM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 15 more | 85 min |
| Apr 16, 2:19 PM CDT | Tornado Watch | SPC | Armstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 20 more | 9 hr |
| Apr 16, 3:53 PM CDT | Mesoscale Discussion | SPC | Coke, Crockett, Fisher, Glasscock, Howard, Irion and 6 more | 67 min |
| Apr 16, 6:14 PM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 18 more | 2 hr |
| Apr 16, 6:52 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Foard, Hardeman, Knox and 2 more | 113 min |
Nearby
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.