Alert archive / Texas / Tornado Watches in 2014
Tornado Watch 76
The Storm Prediction Center issued this tornado watch at Apr 13, 2014, 5:13 PM CDT for 9 counties in Arkansas; 17 parishes in Louisiana; 56 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2014, 5:13 PM CDT (22:13 UTC)
- Expired
- Apr 13, 2014, 11:14 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 65 kt
All 82 counties
Columbia County, AR, Hempstead County, AR, Howard County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Sevier County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Webster Parish, LA, Winn Parish, LA, Anderson County, TX, Bell County, TX, Bosque County, TX, Bowie County, TX, Brown County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Collin County, TX, Comanche County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Hamilton County, TX, Harrison County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Lampasas County, TX, Limestone County, TX, Marion County, TX, McLennan County, TX, Mills County, TX, Morris County, TX, Navarro County, TX, Palo Pinto County, TX, Panola County, TX, Parker County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Rusk County, TX, Shelby County, TX, Smith County, TX, Somervell County, TX, Tarrant County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wise County, TX, Wood County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 84 km from the middle of the area, began a volume at 22:17 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
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 40%
- 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 |
|---|---|---|---|---|
| Apr 13, 5:40 PM CDT | Severe Thunderstorm Warning | FWD | Mills | 80 min |
| Apr 13, 5:57 PM CDT | Severe Thunderstorm Warning | FWD | Comanche, Erath | 63 min |
| Apr 13, 6:53 PM CDT | Severe Thunderstorm Warning | FWD | Lampasas, Mills | 67 min |
| Apr 13, 7:54 PM CDT | Severe Thunderstorm Warning | FWD | Bell, Coryell, Lampasas | 66 min |
| Apr 13, 8:14 PM CDT | Severe Thunderstorm Warning | FWD | Cooke, Denton, Grayson, Montague, Wise | 61 min |
| Apr 13, 8:42 PM CDT | Severe Thunderstorm Warning | FWD | Bell | 63 min |
| Apr 13, 9:40 PM CDT | Severe Thunderstorm Warning | FWD | Bell, Milam | 65 min |
| Apr 13, 9:40 PM CDT | Severe Thunderstorm Warning | FWD | Fannin, Lamar | 50 min |
| Apr 13, 10:01 PM CDT | Severe Thunderstorm Warning | SHV | Howard, Sevier | 59 min |
| Apr 13, 10:08 PM CDT | Tornado Warning | SHV | Howard, Sevier | 37 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
Fort Worth, TX (KFWD), launched 12:00Z, 10.2 hours before the alert went out and 97 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
- 73 J/kg
- Mixed-layer CIN
- -284 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 334 m²/s²
- 0-3 km storm-relative helicity
- 439 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
332
WWUS20 KWNS 132215
SEL6
SPC WW 132215
ARZ000-LAZ000-OKZ000-TXZ000-140500-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 76
NWS STORM PREDICTION CENTER NORMAN OK
515 PM CDT SUN APR 13 2014
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
SOUTHWESTERN ARKANSAS
NORTHWESTERN LOUISIANA
EXTREME SOUTHEASTERN OKLAHOMA
CENTRAL....NORTH-CENTRAL AND NORTHEAST TEXAS
* EFFECTIVE THIS SUNDAY AFTERNOON FROM 515 PM UNTIL MIDNIGHT CDT.
* PRIMARY THREATS INCLUDE...
A FEW TORNADOES POSSIBLE
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3
INCHES IN DIAMETER POSSIBLE
ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 150 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
WACO TEXAS TO 20 MILES NORTH NORTHEAST OF TEXARKANA ARKANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).
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 73...WW 74...WW 75...
DISCUSSION...SVR POTENTIAL EXPECTED TO INCREASE ACROSS THIS REGION
DURING NEXT FEW HOURS AS HODOGRAPHS ENLARGE...WITH DISCRETE
SUPERCELLS...CLUSTERS AND LINEAR/MIXED STORM MODES ALL POSSIBLE.
INSTABILITY FIELDS WILL RANGE FROM MARGINAL TO FAVORABLE IN PATCHY
FASHION...BASED ON RATES OF RECOVERY FROM EARLIER CLOUD/PRECIP PLUME
THAT HAD BEEN OVER CENTRAL/N TX. THAT PLUME -- NOW OVER PORTIONS
ARKLATEX REGION -- ALSO MAY CONTINUE TO SPAWN ISOLATED/EMBEDDED
SUPERCELLS AS IT SHIFTS NEWD. DRYLINE/COLD-FRONTAL SVR THREAT WILL
SHIFT INTO THIS SAME AREA LATER THIS EVENING.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27030.
...EDWARDSSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 2:34 PM CDT | Mesoscale Discussion | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 2 more | 2 hr |
| Apr 13, 4:13 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more | 32 min |
| Apr 13, 4:27 PM CDT | Severe Thunderstorm Watch | SPC | Baxter, Benton, Boone, Carroll, Madison, Marion and 3 more | 7 hr |
| Apr 13, 4:54 PM CDT | Mesoscale Discussion | SPC | Clark, Columbia, Hempstead, Howard, Lafayette, Little River and 4 more | 66 min |
| Apr 13, 6:01 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Madison, Marion and 3 more | 59 min |
| Apr 13, 6:25 PM CDT | Mesoscale Discussion | SPC | Clark, Conway, Crawford, Franklin, Garland, Hempstead and 15 more | 65 min |
| Apr 13, 12:26 PM CDT | Mesoscale Discussion | SPC | Wichita | 94 min |
| Apr 13, 1:43 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coleman, Comanche, Concho, Eastland and 7 more | 2 hr |
| Apr 13, 1:56 PM CDT | Tornado Watch | SPC | Archer, Clay, Cooke, Grayson, Jack, Montague and 3 more | 8 hr |
Nearby
Tornado Watches in Texas, 2014Tornado Watches in Louisiana, 2014Tornado Watches in Arkansas, 2014Every tornado watch in 2014
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.