Alert archive / Texas / Tornado Watches in 2015
Tornado Watch 210
The Storm Prediction Center issued this tornado watch at May 25, 2015, 9:02 AM CDT for 33 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 25, 2015, 9:02 AM CDT (14:02 UTC)
- Expired
- May 25, 2015, 4:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 33 counties
Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Edwards County, TX, Fayette County, TX, Frio County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Val Verde County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 115 km from the middle of the area, began a volume at 14:04 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
- 70%
Warnings issued inside it
22 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 9:51 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr | 17 min |
| May 25, 9:57 AM CDT | Tornado Warning | EWX | Gillespie | 20 min |
| May 25, 10:06 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr | 19 min |
| May 25, 10:12 AM CDT | Flash Flood Warning | EWX | Gillespie, Llano | 5 hr |
| May 25, 10:25 AM CDT | Severe Thunderstorm Warning | EWX | Llano | 46 min |
| May 25, 11:20 AM CDT | Flash Flood Warning | EWX | Burnet, Llano | 3 hr |
| May 25, 11:32 AM CDT | Flash Flood Warning | EWX | Gillespie, Kerr | 3 hr |
| May 25, 12:33 PM CDT | Tornado Warning | EWX | Gillespie | 27 min |
| May 25, 12:51 PM CDT | Tornado Warning | EWX | Blanco, Gillespie | 24 min |
| May 25, 12:53 PM CDT | Flash Flood Warning | EWX | Blanco, Gillespie, Kendall | 3 hr |
| May 25, 1:08 PM CDT | Tornado Warning | EWX | Burnet | 37 min |
| May 25, 1:13 PM CDT | Tornado Warning | EWX | Blanco, Burnet, Llano | 47 min |
| May 25, 1:51 PM CDT | Flash Flood Warning | EWX | Bexar, Burnet, Comal, Hays, Travis, Williamson | 3 hr |
| May 25, 1:51 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Travis, Williamson | 39 min |
| May 25, 1:59 PM CDT | Tornado Warning | EWX | Burnet, Travis, Williamson | 46 min |
| May 25, 2:18 PM CDT | Flash Flood Warning | EWX | Burnet, Llano | 117 min |
| May 25, 2:29 PM CDT | Tornado Warning | EWX | Hays, Travis | 46 min |
| May 25, 2:42 PM CDT | Tornado Warning | EWX | Williamson | 20 min |
| May 25, 3:16 PM CDT | Tornado Warning | EWX | Travis | 29 min |
| May 25, 3:18 PM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, Comal, Guadalupe, Hays, Lee and 2 more | 3 hr |
| May 25, 3:27 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 33 min |
| May 25, 3:38 PM CDT | Severe Thunderstorm Warning | EWX | Travis, Williamson | 52 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
Del Rio, TX (KDRT), launched 12:00Z, 2.0 hours before the alert went out and 161 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
- 2864 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 649 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 4.5
- Supercell composite
- 17.2
The text
As transmitted, in the capitals the NWS used until 2016.
897
WWUS20 KWNS 251400
SEL0
SPC WW 251400
TXZ000-252100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 210
NWS STORM PREDICTION CENTER NORMAN OK
900 AM CDT MON MAY 25 2015
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
SOUTHWEST INTO CENTRAL TEXAS
* EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 900 AM UNTIL
400 PM 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...ONGOING SEVERE THUNDERSTORMS ARE EXPECTED TO INCREASE IN
AREAL COVERAGE TODAY WITH ACTIVITY MOVING EAST ACROSS THE WATCH
AREA. A COUPLE OF TORNADOES...LARGE HAIL AND DAMAGING WINDS WILL
ACCOMPANY THE STRONGEST STORMS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 95 MILES WEST OF HONDO TEXAS
TO 45 MILES EAST SOUTHEAST OF AUSTIN TEXAS. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU0).
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 209...
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
600. MEAN STORM MOTION VECTOR 24030.
...MEADSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:57 PM CDT | Mesoscale Discussion | SPC | Hemphill, Lipscomb, Ochiltree, Roberts | 93 min |
| May 24, 8:24 PM CDT | Tornado Watch | SPC | Hansford, Lipscomb, Ochiltree | 5 hr |
| May 25, 3:17 AM CDT | Mesoscale Discussion | SPC | Bandera, Coke, Crane, Crockett, Ector, Edwards and 21 more | 4 hr |
| May 25, 6:45 AM CDT | Severe Thunderstorm Watch | SPC | Andrews, Borden, Brown, Callahan, Coke, Coleman and 34 more | 6 hr |
| May 25, 6:50 AM CDT | Mesoscale Discussion | SPC | Andrews, Borden, Callahan, Coke, Coleman, Crosby and 26 more | 55 min |
| May 25, 7:53 AM CDT | Mesoscale Discussion | SPC | Bandera, Bexar, Blanco, Burnet, Comal, Frio and 8 more | 2 hr |
| May 25, 10:13 AM CDT | Mesoscale Discussion | SPC | Anderson, Archer, Baylor, Bell, Bosque, Brown and 69 more | 2 hr |
| May 25, 10:54 AM CDT | Tornado Watch | SPC | Archer, Baylor, Bell, Bosque, Brown, Callahan and 55 more | 7 hr |
| May 25, 11:37 AM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 26 more | 113 min |
| May 25, 1:54 PM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Clay, Collin, Cooke, Coryell and 26 more | 2 hr |
| May 25, 2:10 PM CDT | Mesoscale Discussion | SPC | Austin, Bastrop, Bexar, Blanco, Brazos, Burleson and 26 more | 95 min |
| May 25, 2:35 PM CDT | Mesoscale Discussion | SPC | Anderson, Austin, Bowie, Brazos, Burleson, Camp and 34 more | 55 min |
| May 25, 2:52 PM CDT | Tornado Watch | SPC | Anderson, Angelina, Bastrop, Blanco, Bowie, Brazos and 53 more | 8 hr |
| May 25, 3:19 PM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Bexar, Dimmit, Edwards, Frio and 9 more | 56 min |
| May 25, 5:15 PM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Gregg, Harrison, Marion and 7 more | 90 min |
| May 25, 5:51 PM CDT | Tornado Watch | SPC | Sabine | 6 hr |
| May 25, 6:06 PM CDT | Mesoscale Discussion | SPC | Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 14 more | 54 min |
| May 25, 6:24 PM CDT | Tornado Watch | SPC | Austin, Bee, Brazoria, Calhoun, Chambers, Colorado and 18 more | 9 hr |
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.