Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 9, NWS Austin/San Antonio, TX

March 8, 2016Burnet County, Llano County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 8, 2016, 7:37 AM CST for Burnet County, Llano County, Texas. It was in force for 38 min. 3 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: Mar 8, 2016, 7:37 AM CST (13:37 UTC)
Expired: Mar 8, 2016, 8:15 AM CST
In force: 38 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Burnet County, TX, Llano County, TX

The radar

The Ft Hood radar (KGRK), 103 km from the middle of the area, began a volume at 13:38 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
Mar 8, 7:40 AM CST	TSTM WND DMG	3 Ese Tow, TX	DAMAGE TO A PRIVATE MARINA ON LAKE BUCHANAN
Mar 8, 7:40 AM CST	TSTM WND DMG	3 Se Tow, TX	LARGE TREE BRANCHES AND DAMAGE TO CARPORT REPORTED ON LAKESHORE LOOP NEAR LAKE BUCHANAN
Mar 8, 7:45 AM CST	TSTM WND DMG	3 Se Tow, TX	LARGE TREE BRANCHES AND DAMAGE TO CARPORT REPORTED ON LAKESHORE LOOP NEAR LAKE BUCHANAN

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
Mar 8, 7:24 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 1.6 hours before the alert went out and 237 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1032 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 548 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 291 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 6.5

Open this sounding in Storm Lab

The text

As transmitted.

660 
WUUS54 KEWX 081337
SVREWX
TXC053-299-081415-
/O.NEW.KEWX.SV.W.0009.160308T1337Z-160308T1415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
737 AM CST TUE MAR 8 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BURNET COUNTY IN SOUTH CENTRAL TEXAS...
  NORTHEASTERN LLANO COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 815 AM CST

* AT 736 AM CST...A SEVERE THUNDERSTORM WAS LOCATED OVER TOW...OR NEAR
  BUCHANAN DAM...MOVING NORTHEAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  BUCHANAN DAM...TOW AND BLUFFTON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CST FOR SOUTH CENTRAL
TEXAS.

LAT...LON 3077 9844 3089 9860 3092 9857 3093 9842
      3094 9841 3095 9845 3096 9845 3098 9844
      3101 9846 3103 9844 3103 9811
TIME...MOT...LOC 1336Z 222DEG 26KT 3089 9847 

HAIL...1.00IN
WIND...60MPH
 
$$

HAMPSHIRE

2 follow-up statements

984 
WWUS54 KEWX 081351
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
751 AM CST TUE MAR 8 2016

TXC299-081401-
/O.CAN.KEWX.SV.W.0009.000000T0000Z-160308T1415Z/
LLANO TX-
751 AM CST TUE MAR 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LLANO COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CST FOR SOUTH CENTRAL
TEXAS.

LAT...LON 3103 9811 3093 9824 3086 9842 3088 9846
      3089 9845 3092 9845 3092 9842 3093 9841
      3095 9842 3095 9845 3098 9844 3101 9846
      3103 9844
TIME...MOT...LOC 1351Z 222DEG 23KT 3098 9837 

$$

TXC053-081415-
/O.CON.KEWX.SV.W.0009.000000T0000Z-160308T1415Z/
BURNET TX-
751 AM CST TUE MAR 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 AM CST
FOR NORTHWESTERN BURNET COUNTY...

AT 751 AM CST...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTHEAST
OF TOW...OR 12 MILES NORTH OF BUCHANAN DAM...MOVING NORTHEAST AT 25
MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN BURNET COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CST FOR SOUTH CENTRAL
TEXAS.

LAT...LON 3103 9811 3093 9824 3086 9842 3088 9846
      3089 9845 3092 9845 3092 9842 3093 9841
      3095 9842 3095 9845 3098 9844 3101 9846
      3103 9844
TIME...MOT...LOC 1351Z 222DEG 23KT 3098 9837 

HAIL...1.00IN
WIND...60MPH
 
$$

HAMPSHIRE

173 
WWUS54 KEWX 081411
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
811 AM CST TUE MAR 8 2016

TXC053-081421-
/O.EXP.KEWX.SV.W.0009.000000T0000Z-160308T1415Z/
BURNET TX-
811 AM CST TUE MAR 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BURNET COUNTY
WILL EXPIRE AT 815 AM CST...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CST FOR SOUTH CENTRAL
TEXAS.

LAT...LON 3103 9811 3093 9824 3086 9842 3088 9846
      3089 9845 3092 9845 3092 9842 3093 9841
      3095 9842 3095 9845 3098 9844 3101 9846
      3103 9844
TIME...MOT...LOC 1409Z 222DEG 26KT 3098 9837 

$$

HAMPSHIRE

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 8, 1:12 AM CST	Special Weather Statement	EWX	Val Verde	48 min
Mar 8, 1:23 AM CST	Special Weather Statement	EWX	Val Verde	52 min
Mar 8, 1:44 AM CST	Severe Thunderstorm Warning	EWX	Val Verde	46 min
Mar 8, 1:47 AM CST	Special Weather Statement	EWX	Val Verde	43 min
Mar 8, 2:22 AM CST	Special Weather Statement	EWX	Edwards	38 min
Mar 8, 2:32 AM CST	Special Weather Statement	EWX	Val Verde	28 min
Mar 8, 2:37 AM CST	Special Weather Statement	EWX	Edwards	38 min
Mar 8, 3:03 AM CST	Areal Flood Advisory	EWX	Val Verde	3 hr
Mar 8, 3:09 AM CST	Severe Thunderstorm Warning	EWX	Edwards, Val Verde	28 min
Mar 8, 6:28 AM CST	Special Weather Statement	EWX	Llano	32 min
Mar 8, 6:56 AM CST	Special Weather Statement	EWX	Llano	34 min
Mar 8, 8:51 AM CST	Special Weather Statement	EWX	Lee	24 min
Mar 8, 9:02 AM CST	Special Weather Statement	EWX	Williamson	43 min
Mar 8, 9:16 AM CST	Tornado Warning	EWX	Williamson	29 min
Mar 8, 2:43 PM CST	Special Weather Statement	EWX	Val Verde	47 min
Mar 8, 3:00 PM CST	Severe Thunderstorm Warning	EWX	Val Verde	75 min
Mar 8, 4:14 PM CST	Special Weather Statement	EWX	Val Verde	61 min

Nearby

Severe Thunderstorm Warnings in Texas, 2016 Every severe thunderstorm warning in 2016

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.