Alert archive / Texas / Special Weather Statements in 2015
Special Weather Statement, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this special weather statement at Apr 12, 2015, 10:10 PM CDT for 14 counties in Texas. It was in force for 65 min. 2 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 12, 2015, 10:10 PM CDT (03:10 UTC)
- Expired
- Apr 12, 2015, 11:15 PM CDT
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
Counties Atascosa County, TX, Bexar County, TX, Blanco County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Lavaca County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 55 km from the middle of the area, began a volume at 03:13 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 12, 11:14 PM CDT | TSTM WND GST 42 | Windcrest, TX | CWOP WEATHER STATION IN WINDCREST REPORTED AT 42 MPH WIND GUST. |
| Apr 12, 11:18 PM CDT | TSTM WND GST 44 | San Antonio, TX | RANDOLPH AFB ASOS - KRND - REPORTED A 38 KNOT OR 44 MPH WIND GUST. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 3.2 hours before the alert went out and 195 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
- 2119 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
143
WWUS84 KEWX 130310
SPSEWX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1010 PM CDT SUN APR 12 2015
TXZ171-186>191-204>208-220>225-130415-
KENDALL TX-BEXAR TX-MEDINA TX-ATASCOSA TX-BLANCO TX-LAVACA TX-
LLANO TX-KARNES TX-KERR TX-CALDWELL TX-GONZALES TX-DE WITT TX-
WILSON TX-BANDERA TX-COMAL TX-GUADALUPE TX-GILLESPIE TX-HAYS TX-
1010 PM CDT SUN APR 12 2015
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN LLANO...GUADALUPE...
HAYS...CALDWELL...EASTERN MEDINA...ATASCOSA...GONZALES...COMAL...
DEWITT...NORTHEASTERN FRIO...KENDALL...BLANCO...EASTERN BANDERA...
SOUTHWESTERN LAVACA...BEXAR...GILLESPIE...CENTRAL KARNES...
SOUTHEASTERN KERR AND WILSON COUNTIES UNTIL 1115 PM CDT...
AT 1009 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR KERRVILLE TO NEAR
CROSS...AND MOVING EAST AT 35 MPH.
WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
SAN ANTONIO...NEW BRAUNFELS...SAN MARCOS...SEGUIN...KERRVILLE...
UNIVERSAL CITY...LOCKHART...FREDERICKSBURG...BOERNE...PLEASANTON...
GONZALES...CUERO...FLORESVILLE...YOAKUM...LULING...JOURDANTON...
POTEET...KARNES CITY...CASTROVILLE AND COMFORT.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR
SOUTH CENTRAL TEXAS.
LAT...LON 2891 9752 2886 9807 2866 9868 2901 9881
2909 9880 2909 9884 3012 9922 3074 9882
2930 9671
TIME...MOT...LOC 0309Z 283DEG 28KT 3007 9910 2865 9852
$$
LENZThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 7:30 PM CDT | Special Weather Statement | EWX | Bandera, Edwards, Kerr, Kinney, Medina, Real and 1 more | 45 min |
| Apr 12, 8:13 PM CDT | Special Weather Statement | EWX | Bandera, Dimmit, Edwards, Frio, Kerr, Medina and 3 more | 47 min |
| Apr 12, 8:51 PM CDT | Areal Flood Advisory | EWX | Uvalde, Zavala | 54 min |
| Apr 12, 9:05 PM CDT | Special Weather Statement | EWX | Atascosa, Bandera, Bexar, Blanco, Comal, Frio and 6 more | 55 min |
| Apr 12, 10:51 PM CDT | Areal Flood Advisory | EWX | Bexar, Guadalupe, Wilson | 3 hr |
| Apr 12, 11:26 PM CDT | Special Weather Statement | EWX | Bastrop, Blanco, Burnet, Caldwell, Comal, DeWitt and 11 more | 49 min |
| Apr 12, 11:52 PM CDT | Areal Flood Advisory | EWX | Gonzales, Karnes, Wilson | 3 hr |
| Apr 13, 1:04 AM CDT | Areal Flood Advisory | EWX | DeWitt, Gonzales, Karnes | 3 hr |
| Apr 13, 2:35 AM CDT | Areal Flood Advisory | EWX | DeWitt, Fayette, Lavaca | 3 hr |
| Apr 13, 5:46 PM CDT | Special Weather Statement | EWX | Zavala | 44 min |
Nearby
Special Weather Statements in Texas, 2015Every special weather statement 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.