Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 20, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Apr 2, 2017, 9:24 AM CDT for Travis County, Williamson County, Texas. It was in force for 20 min. 13 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 2, 2017, 9:24 AM CDT (14:24 UTC)
- Expired
- Apr 2, 2017, 9:44 AM CDT
- In force
- 20 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Travis County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 55 km from the middle of the area, began a volume at 14:28 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 2, 9:24 AM CDT | TSTM WND DMG | 3 Ne Lakeway, TX | POWER LINE SNAPPED IN HALF NEAR HUDSON BEND MIDDLE SCHOOL. TIME ESTIMATED FROM RADAR. |
| Apr 2, 9:30 AM CDT | TSTM WND DMG | 1 Ne Lakeway, TX | TREE LIMBS DOWN AT SUNDANCER GRILL. TIME ESTIMATED FROM RADAR. |
| Apr 2, 9:30 AM CDT | TSTM WND GST 70 | Anderson Mill, TX | |
| Apr 2, 9:33 AM CDT | TSTM WND DMG | 2 W Anderson Mill, TX | MPING REPORT OF MINOR WIND DAMAGE SUCH AS SMALL TREE LIMBS BROKEN |
| Apr 2, 9:33 AM CDT | TSTM WND DMG | 2 W Anderson Mill, TX | MPING REPORT OF MINOR WIND DAMAGE SUCH AS SMALL TREE LIMBS BROKEN. |
| Apr 2, 9:38 AM CDT | TSTM WND GST 60 | 1 Nne Anderson Mill, TX | SPOTTER ESTIMATED WIND GUSTS OF 50 TO 60 MPH |
| Apr 2, 9:38 AM CDT | TSTM WND GST 60 | 1 Nne Anderson Mill, TX | SPOTTER ESTIMATED WIND GUSTS OF 50 TO 60 MPH. |
| Apr 2, 9:43 AM CDT | TSTM WND GST 60 | 2 Nnw Jollyville, TX | SPOTTER ESTIMATED WIND GUSTS UP TO 60 MPH NEAR PARMER LN AT RR 620. |
| Apr 2, 9:43 AM CDT | TSTM WND GST 60 | 3 Ene Anderson Mill, TX | SPOTTER ESTIMATED WIND GUSTS UP TO 60 MPH NEAR PARMER LN AT RR 620 |
| Apr 2, 9:49 AM CDT | TSTM WND DMG | 1 E Leander, TX | PUBLIC REPORT VIA MPING OF TREE BRANCHES BLOWN DOWN. |
| Apr 2, 9:49 AM CDT | TSTM WND DMG | 3 N Cedar Park, TX | PUBLIC REPORT VIA MPING OF TREE BRANCHES BLOWN DOWN |
| Apr 2, 9:50 AM CDT | TSTM WND DMG | 2 Ne Brushy Creek, TX | LARGE TREE LIMBS SNAPPED ALONG HAIRY MAN ROAD IN ROUND ROCK. |
| Apr 2, 9:50 AM CDT | TSTM WND DMG | 3 Wnw Round Rock, TX | LARGE TREE LIMBS SNAPPED ALONG HAIRY MAN ROAD IN ROUND ROCK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 2, 6:00 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 2.4 hours before the alert went out and 308 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
- 3410 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 521 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 328 m²/s²
- Significant tornado parameter
- 3.7
- Supercell composite
- 20.1
The text
As transmitted.
462
WFUS54 KEWX 021424
TOREWX
TXC453-491-021515-
/O.NEW.KEWX.TO.W.0020.170402T1424Z-170402T1515Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Austin/San Antonio TX
924 AM CDT SUN APR 2 2017
The National Weather Service in Austin San Antonio has issued a
* Tornado Warning for...
Southwestern Williamson County in south central Texas...
Northwestern Travis County in south central Texas...
* Until 1015 AM CDT
* At 924 AM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located over
Hudson Bend, or 8 miles west of Anderson Mill, moving northeast at
40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Austin, Round Rock, Cedar Park, Anderson Mill, Leander, Lakeway,
Lago Vista, Hudson Bend, Mansfield Dam, Jonestown, Brushy Creek and
Jollyville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3035 9796 3044 9802 3069 9779 3049 9763
TIME...MOT...LOC 1424Z 239DEG 33KT 3042 9794
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
MO2 follow-up statements
009
WWUS54 KEWX 021438
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
938 AM CDT SUN APR 2 2017
TXC453-021447-
/O.CAN.KEWX.TO.W.0020.000000T0000Z-170402T1515Z/
Travis TX-
938 AM CDT SUN APR 2 2017
...THE TORNADO WARNING FOR NORTHWESTERN TRAVIS COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled for
the Travis County portion of the tornado warning.
A Tornado Watch remains in effect until 100 PM CDT for south central
Texas.
LAT...LON 3069 9779 3049 9763 3048 9766 3048 9768
3047 9769 3045 9774 3043 9777 3045 9780
3045 9783 3053 9787 3054 9787 3057 9790
TIME...MOT...LOC 1437Z 232DEG 37KT 3053 9781
$$
TXC491-021515-
/O.CON.KEWX.TO.W.0020.000000T0000Z-170402T1515Z/
Williamson TX-
938 AM CDT SUN APR 2 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
SOUTHWESTERN WILLIAMSON COUNTY...
At 937 AM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Cedar Park, moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Austin, Round Rock, Cedar Park, Anderson Mill, Leander, Brushy Creek
and Jollyville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3069 9779 3049 9763 3048 9766 3048 9768
3047 9769 3045 9774 3043 9777 3045 9780
3045 9783 3053 9787 3054 9787 3057 9790
TIME...MOT...LOC 1437Z 232DEG 37KT 3053 9781
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
MO135
WWUS54 KEWX 021444
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
944 AM CDT SUN APR 2 2017
TXC491-021452-
/O.CAN.KEWX.TO.W.0020.000000T0000Z-170402T1515Z/
Williamson TX-
944 AM CDT SUN APR 2 2017
...THE TORNADO WARNING FOR SOUTHWESTERN WILLIAMSON COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled. A severe thunderstorm
warning remains in effect for much of Williamson County through 1030
AM CDT, and this line of storms could produce new tornadoes with
little advance warning.
A Tornado Watch remains in effect until 100 PM CDT for south central
Texas.
LAT...LON 3069 9779 3049 9763 3048 9766 3048 9768
3047 9769 3045 9774 3043 9777 3045 9780
3045 9783 3053 9787 3054 9787 3057 9790
TIME...MOT...LOC 1440Z 239DEG 33KT 3056 9776
$$
MOThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 7:35 PM CDT | Special Weather Statement | EWX | Val Verde | 40 min |
| Apr 1, 7:38 PM CDT | Special Weather Statement | EWX | Val Verde | 37 min |
| Apr 1, 10:12 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 48 min |
| Apr 1, 10:58 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 47 min |
| Apr 1, 11:43 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 47 min |
| Apr 1, 11:46 PM CDT | Special Weather Statement | EWX | Val Verde | 44 min |
| Apr 2, 12:21 AM CDT | Areal Flood Advisory | EWX | Val Verde | 3 hr |
| Apr 2, 12:26 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 49 min |
| Apr 2, 12:43 AM CDT | Special Weather Statement | EWX | Val Verde | 47 min |
| Apr 2, 12:51 AM CDT | Special Weather Statement | EWX | Val Verde | 39 min |
| Apr 2, 1:15 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 45 min |
| Apr 2, 1:32 AM CDT | Flash Flood Warning | EWX | Kinney, Val Verde | 6 hr |
| Apr 2, 2:05 AM CDT | Special Weather Statement | EWX | Kinney | 40 min |
| Apr 2, 2:29 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Val Verde | 32 min |
| Apr 2, 2:57 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney | 48 min |
| Apr 2, 3:02 AM CDT | River Flood Warning | EWX | Val Verde | 19 hr |
| Apr 2, 3:12 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 48 min |
| Apr 2, 3:20 AM CDT | Tornado Warning | EWX | Kinney | 25 min |
| Apr 2, 3:33 AM CDT | Special Weather Statement | EWX | Edwards | 42 min |
| Apr 2, 3:47 AM CDT | Tornado Warning | EWX | Edwards | 18 min |
| Apr 2, 3:50 AM CDT | Flash Flood Watch | EWX | Bandera, Bastrop, Blanco, Burnet, Edwards, Gillespie and 11 more | 9 hr |
| Apr 2, 3:54 AM CDT | Severe Thunderstorm Warning | EWX | Kinney | 51 min |
| Apr 2, 3:56 AM CDT | Tornado Warning | EWX | Edwards, Real | 34 min |
| Apr 2, 4:04 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 41 min |
| Apr 2, 4:08 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick | 37 min |
| Apr 2, 4:14 AM CDT | Tornado Warning | EWX | Edwards | 17 min |
| Apr 2, 4:40 AM CDT | Flash Flood Warning | EWX | Edwards, Kinney | 3 hr |
| Apr 2, 4:41 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Maverick | 49 min |
| Apr 2, 4:43 AM CDT | Special Weather Statement | EWX | Edwards, Real | 47 min |
| Apr 2, 5:25 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Uvalde | 50 min |
| Apr 2, 5:36 AM CDT | Special Weather Statement | EWX | Burnet | 54 min |
| Apr 2, 5:42 AM CDT | Special Weather Statement | EWX | Real | 63 min |
| Apr 2, 5:54 AM CDT | Tornado Warning | EWX | Bandera, Kerr, Real | 30 min |
| Apr 2, 5:57 AM CDT | Flash Flood Warning | EWX | Real | 3 hr |
| Apr 2, 6:06 AM CDT | Areal Flood Advisory | EWX | Kinney, Maverick, Uvalde | 3 hr |
| Apr 2, 6:20 AM CDT | Special Weather Statement | EWX | Uvalde, Zavala | 55 min |
| Apr 2, 6:28 AM CDT | Special Weather Statement | EWX | Kerr | 47 min |
| Apr 2, 6:32 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina, Uvalde | 58 min |
| Apr 2, 6:42 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr, Real | 63 min |
| Apr 2, 6:55 AM CDT | Special Weather Statement | EWX | Llano | 50 min |
| Apr 2, 6:58 AM CDT | Areal Flood Advisory | EWX | Edwards, Kerr | 3 hr |
| Apr 2, 6:59 AM CDT | Tornado Warning | EWX | Kerr | 46 min |
| Apr 2, 7:11 AM CDT | Severe Thunderstorm Warning | EWX | Uvalde, Zavala | 64 min |
| Apr 2, 7:17 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Gillespie, Kendall, Kerr | 58 min |
| Apr 2, 7:26 AM CDT | Tornado Warning | EWX | Kendall, Kerr | 30 min |
| Apr 2, 7:30 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina | 45 min |
| Apr 2, 7:42 AM CDT | Special Weather Statement | EWX | Medina | 48 min |
| Apr 2, 7:53 AM CDT | Tornado Warning | EWX | Kendall | 40 min |
| Apr 2, 7:54 AM CDT | Flash Flood Warning | EWX | Edwards, Kinney | 111 min |
| Apr 2, 7:56 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Zavala | 19 min |
| Apr 2, 8:01 AM CDT | Special Weather Statement | EWX | Dimmit | 44 min |
| Apr 2, 8:08 AM CDT | Special Weather Statement | EWX | Blanco, Comal, Gillespie, Kendall | 37 min |
| Apr 2, 8:13 AM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Zavala | 47 min |
| Apr 2, 8:19 AM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Kendall | 41 min |
| Apr 2, 8:22 AM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie, Kendall, Llano | 53 min |
| Apr 2, 8:27 AM CDT | Tornado Warning | EWX | Blanco, Comal, Kendall | 48 min |
| Apr 2, 8:50 AM CDT | Severe Thunderstorm Warning | EWX | Frio | 40 min |
| Apr 2, 8:58 AM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Comal, Hays, Travis | 47 min |
| Apr 2, 9:04 AM CDT | Areal Flood Advisory | EWX | Real | 116 min |
| Apr 2, 9:20 AM CDT | Areal Flood Advisory | EWX | Kinney, Uvalde | 115 min |
| Apr 2, 9:23 AM CDT | Special Weather Statement | EWX | Frio | 52 min |
| Apr 2, 9:28 AM CDT | Special Weather Statement | EWX | Bexar | 47 min |
| Apr 2, 9:32 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Burnet, Caldwell, Hays, Travis, Williamson | 58 min |
| Apr 2, 9:48 AM CDT | Severe Thunderstorm Warning | EWX | Burnet, Travis, Williamson | 57 min |
| Apr 2, 9:51 AM CDT | Areal Flood Advisory | EWX | Burnet, Llano | 114 min |
| Apr 2, 10:06 AM CDT | Special Weather Statement | EWX | Bastrop, Lee | 54 min |
| Apr 2, 10:12 AM CDT | Areal Flood Advisory | EWX | Bexar | 2 hr |
| Apr 2, 10:12 AM CDT | Special Weather Statement | EWX | Guadalupe | 33 min |
| Apr 2, 10:23 AM CDT | Special Weather Statement | EWX | Wilson | 37 min |
| Apr 2, 10:39 AM CDT | Special Weather Statement | EWX | Fayette | 36 min |
| Apr 2, 10:46 AM CDT | Special Weather Statement | EWX | Lee | 44 min |
| Apr 2, 11:25 AM CDT | Special Weather Statement | EWX | Fayette | 50 min |
| Apr 2, 11:32 AM CDT | Severe Thunderstorm Warning | EWX | Fayette | 31 min |
| Apr 2, 12:09 PM CDT | River Flood Warning | EWX | Kerr | 20 hr |
Nearby
Tornado Warnings in Texas, 2017Every tornado warning in 2017Tornadoes in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.