Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Austin/San Antonio, TX

March 8, 2016Edwards County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Mar 8, 2016, 2:22 AM CST for Edwards County, Texas. It was in force for 38 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, 2:22 AM CST (08:22 UTC)
Expired
Mar 8, 2016, 3:00 AM CST
In force
38 min
Issued by
NWS Austin/San Antonio, TX

County Edwards County, TX

The radar

The Laughlin AFB radar (KDFX), 100 km from the middle of the area, began a volume at 08:21 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 00:00Z, 8.4 hours before the alert went out and 81 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°0°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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this special weather statement went out at Mar 7, 11:39 PM CST, 2 hours 43 minutes earlier.

Area forecast discussion, Mar 7, 11:39 PM CST, 2 hours 43 minutes before
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Hazardous weather outlook, Mar 8, 1:27 AM CST, 55 minutes before
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In the hours before

Special weather statement, Mar 8, 1:12 AM CST, 1 hour 10 minutes before
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Special weather statement, Mar 8, 1:23 AM CST, 59 minutes before
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Special weather statement, Mar 8, 1:47 AM CST, 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
147 AM CST TUE MAR 8 2016

TXZ183-080830-
VAL VERDE TX-
147 AM CST TUE MAR 8 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL AND NORTHEASTERN VAL
VERDE COUNTY UNTIL 230 AM CST...

AT 146 AM CST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR SHUMLA...OR 13 MILES NORTHWEST OF COMSTOCK...MOVING NORTHEAST
AT 40 TO 45 MPH.

DIME TO NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE
POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
JUNO...SEMINOLE CANYON STATE PARK...SHUMLA AND BAKERS CROSSING.

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

LAT...LON 3029 10113 3029 10096 3018 10078 2959 10131
      2965 10130 2966 10135 2965 10136 2970 10137
      2971 10140 2973 10139 2975 10142 2977 10140
      2975 10144 2977 10146
TIME...MOT...LOC 0746Z 210DEG 36KT 2984 10130

ALLEN
Special weather statement, Mar 8, 2:22 AM CST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
222 AM CST TUE MAR 8 2016

TXZ183-184-080900-
EDWARDS TX-VAL VERDE TX-
222 AM CST TUE MAR 8 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN VAL VERDE AND
NORTHWESTERN EDWARDS COUNTIES UNTIL 300 AM CST...

AT 221 AM CST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
LOMA ALTA...MOVING NORTH AT 40 MPH.

DIME TO NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE
POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
LOMA ALTA...FLOUR MILLS...CARTA VALLEY...VINEGARONE AND US-
277 NEAR THE SUTTON-EDWARDS COUNTY LINE.

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

LAT...LON 3029 10058 2978 10068 2979 10089 3029 10087
TIME...MOT...LOC 0821Z 185DEG 34KT 2986 10078

ALLEN

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, 2:32 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, 3:09 AM CSTSevere Thunderstorm WarningEWXEdwards, Val Verde28 min
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

Special Weather Statements in Texas, 2016Every special weather statement 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.