Alert archive / Texas / Tornado Warnings in 2015
Tornado Warning 39, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at May 27, 2015, 11:47 AM CDT for Blanco County, Texas. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 27, 2015, 11:47 AM CDT (16:47 UTC)
- Expired
- May 27, 2015, 12:14 PM CDT
- In force
- 27 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 1.0 in
County Blanco County, TX
The radar
The Austin/San Antonio radar (KEWX), 52 km from the middle of the area, began a volume at 16:50 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.
The nearest sounding before it
Del Rio, TX (KDLF), launched 12:00Z, 4.8 hours before the alert went out and 253 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
- 3197 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 13.0
The text
As transmitted, in the capitals the NWS used until 2016.
702
WFUS54 KEWX 271647
TOREWX
TXC031-271730-
/O.NEW.KEWX.TO.W.0039.150527T1647Z-150527T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1147 AM CDT WED MAY 27 2015
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* TORNADO WARNING FOR...
SOUTH CENTRAL BLANCO COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 1230 PM CDT
* AT 1146 AM CDT...A CONFIRMED TORNADO WAS LOCATED OVER TWIN
SISTERS...OR NEAR BLANCO...MOVING NORTH AT 5 MPH.
HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.
SOURCE...EMERGENCY MANAGEMENT CONFIRMED TORNADO JUST EAST OF U.S.
281 NEAR LITTLE BLANCO ROAD.
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.
* THE TORNADO WILL BE NEAR...
BLANCO AND PAYTON AROUND 1230 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED
FOR THE SAME AREA.
TO REPEAT...A TORNADO IS ON THE GROUND. 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.
&&
LAT...LON 3014 9830 3013 9826 3000 9834 2998 9836
3000 9844 3015 9844
TIME...MOT...LOC 1646Z 197DEG 5KT 3002 9840
TORNADO...OBSERVED
HAIL...1.00IN
$$
ZEITLER2 follow-up statements
788
WWUS54 KEWX 271706
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1206 PM CDT WED MAY 27 2015
TXC031-271730-
/O.CON.KEWX.TO.W.0039.000000T0000Z-150527T1730Z/
BLANCO TX-
1206 PM CDT WED MAY 27 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHEASTERN BLANCO COUNTY...
AT 1206 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR PAYTON...OR NEAR BLANCO...MOVING NORTHEAST AT 10
MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
PAYTON AROUND 1220 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3014 9830 3013 9826 3003 9832 3004 9837
3015 9837
TIME...MOT...LOC 1706Z 236DEG 9KT 3006 9832
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
ZEITLER807
WWUS54 KEWX 271714
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1214 PM CDT WED MAY 27 2015
TXC031-271723-
/O.CAN.KEWX.TO.W.0039.000000T0000Z-150527T1730Z/
BLANCO TX-
1214 PM CDT WED MAY 27 2015
...THE TORNADO WARNING FOR SOUTH CENTRAL BLANCO COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER SMALL HAIL IS
STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 3014 9830 3013 9826 3003 9832 3004 9837
3015 9837
TIME...MOT...LOC 1709Z 197DEG 5KT 3007 9832
$$
ZEITLERThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 5:32 AM CDT | Flash Flood Warning | EWX | Fayette, Lee | 118 min |
| May 27, 10:12 AM CDT | Areal Flood Advisory | EWX | Hays, Travis | 2 hr |
| May 27, 10:30 AM CDT | Severe Thunderstorm Warning | EWX | Travis | 45 min |
| May 27, 11:01 AM CDT | Flash Flood Warning | EWX | Hays, Travis | 2 hr |
| May 27, 11:15 AM CDT | Severe Thunderstorm Warning | EWX | Travis | 19 min |
| May 27, 11:19 AM CDT | Severe Thunderstorm Warning | EWX | Blanco, Comal, Hays | 41 min |
| May 27, 12:00 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Hays | 20 min |
| May 27, 12:09 PM CDT | Flash Flood Warning | EWX | Blanco, Comal, Hays | 3 hr |
| May 27, 12:48 PM CDT | Special Weather Statement | EWX | Gillespie | 27 min |
| May 27, 12:52 PM CDT | Flash Flood Watch | EWX | Bastrop, Blanco, Burnet, Caldwell, Gillespie, Hays and 4 more | 8 hr |
| May 27, 1:38 PM CDT | Special Weather Statement | EWX | Llano | 52 min |
Nearby
Tornado Warnings in Texas, 2015Every tornado warning in 2015Tornadoes in 2015
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.