Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 8, NWS Austin/San Antonio, TX

March 8, 2016Edwards County, Val Verde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 8, 2016, 3:09 AM CST for Edwards County, Val Verde County, Texas. It was in force for 28 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
Mar 8, 2016, 3:09 AM CST (09:09 UTC)
Expired
Mar 8, 2016, 3:37 AM CST
In force
28 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Edwards County, TX, Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 103 km from the middle of the area, began a volume at 09:10 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 8, 1:18 AM CSTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 9.2 hours before the alert went out and 98 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-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 2016-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1458 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2016-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1458 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1391 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted.

972 
WUUS54 KEWX 080909
SVREWX
TXC137-465-081000-
/O.NEW.KEWX.SV.W.0008.160308T0909Z-160308T1000Z/

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN VAL VERDE COUNTY IN SOUTH CENTRAL TEXAS...
  NORTHWESTERN EDWARDS COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 400 AM CST

* AT 309 AM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 20 MILES SOUTH OF SONORA TO FLOUR MILLS...MOVING
  NORTHEAST AT 30 MPH.

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

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  FLOUR MILLS AND US-277 NEAR THE SUTTON-EDWARDS COUNTY LINE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3029 10020 3011 10019 2995 10081 3029 10084
TIME...MOT...LOC 0909Z 242DEG 27KT 3027 10070 3004 10069 

HAIL...0.88IN
WIND...60MPH
 
$$

RUNYEN
2 follow-up statements
132 
WWUS54 KEWX 080927
SVSEWX

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

TXC465-080937-
/O.CAN.KEWX.SV.W.0008.000000T0000Z-160308T1000Z/
VAL VERDE TX-
327 AM CST TUE MAR 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN VAL VERDE COUNTY
IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM CST FOR
SOUTH CENTRAL TEXAS.

LAT...LON 3029 10020 3011 10019 3008 10065 3029 10065
TIME...MOT...LOC 0927Z 242DEG 27KT 3033 10057 3010 10056 

$$

TXC137-081000-
/O.CON.KEWX.SV.W.0008.000000T0000Z-160308T1000Z/
EDWARDS TX-
327 AM CST TUE MAR 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CST
FOR NORTHWESTERN EDWARDS COUNTY...

AT 327 AM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 16 MILES SOUTH OF SONORA TO 7 MILES NORTHEAST OF FLOUR
MILLS...MOVING NORTHEAST AT 30 MPH.

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

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
US-277 NEAR THE SUTTON-EDWARDS COUNTY LINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3029 10020 3011 10019 3008 10065 3029 10065
TIME...MOT...LOC 0927Z 242DEG 27KT 3033 10057 3010 10056 

HAIL...0.88IN
WIND...60MPH
 
$$

RUNYEN
077 
WWUS54 KEWX 080937
SVSEWX

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

TXC137-080947-
/O.CAN.KEWX.SV.W.0008.000000T0000Z-160308T1000Z/
EDWARDS TX-
337 AM CST TUE MAR 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN EDWARDS COUNTY IS
CANCELLED...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND EXITED THE WARNED AREA. THEREFORE THE WARNING HAS BEEN
CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM CST FOR
SOUTH CENTRAL TEXAS.

LAT...LON 3029 10020 3011 10019 3008 10065 3029 10065
TIME...MOT...LOC 0935Z 242DEG 27KT 3036 10050 3013 10049 

$$

RUNYEN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 1:12 AM CSTSpecial Weather StatementEWXVal Verde48 min
Mar 8, 1:23 AM CSTSpecial Weather StatementEWXVal Verde52 min
Mar 8, 1:44 AM CSTSevere Thunderstorm WarningEWXVal Verde46 min
Mar 8, 1:47 AM CSTSpecial Weather StatementEWXVal Verde43 min
Mar 8, 2:22 AM CSTSpecial Weather StatementEWXEdwards38 min
Mar 8, 2:32 AM CSTSpecial Weather StatementEWXVal Verde28 min
Mar 8, 2:37 AM CSTSpecial Weather StatementEWXEdwards38 min
Mar 8, 3:03 AM CSTAreal Flood AdvisoryEWXVal Verde3 hr
Mar 8, 6:28 AM CSTSpecial Weather StatementEWXLlano32 min
Mar 8, 6:56 AM CSTSpecial Weather StatementEWXLlano34 min
Mar 8, 7:37 AM CSTSevere Thunderstorm WarningEWXBurnet, Llano38 min
Mar 8, 8:51 AM CSTSpecial Weather StatementEWXLee24 min
Mar 8, 9:02 AM CSTSpecial Weather StatementEWXWilliamson43 min
Mar 8, 9:16 AM CSTTornado WarningEWXWilliamson29 min
Mar 8, 2:43 PM CSTSpecial Weather StatementEWXVal Verde47 min
Mar 8, 3:00 PM CSTSevere Thunderstorm WarningEWXVal Verde75 min
Mar 8, 4:14 PM CSTSpecial Weather StatementEWXVal Verde61 min

Nearby

Severe Thunderstorm Warnings in Texas, 2016Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.