Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Austin/San Antonio, TX

February 22, 2016Real County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Feb 22, 2016, 10:35 PM CST for Real County, Texas. It was in force for 55 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
Feb 22, 2016, 10:35 PM CST (04:35 UTC)
Expired
Feb 22, 2016, 11:30 PM CST
In force
55 min
Issued by
NWS Austin/San Antonio, TX

County Real County, TX

The radar

The Laughlin AFB radar (KDFX), 106 km from the middle of the area, began a volume at 04:38 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.

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 4.6 hours before the alert went out and 133 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 2016-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
870 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Feb 22, 10:29 PM CST, 6 minutes earlier.

Area forecast discussion, Feb 22, 10:29 PM CST, 6 minutes before
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Hazardous weather outlook, Feb 22, 1:43 PM CST, 8 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
143 PM CST MON FEB 22 2016

TXZ171>173-183>194-202>209-217>225-228-231945-
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
143 PM CST MON FEB 22 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

...SLIGHT RISK FOR SEVERE THUNDERSTORMS TONIGHT FOR THE EDWARDS
PLATEAU...RIO GRANDE PLAINS...AND COUNTIES WEST OF THE I35
CORRIDOR INCLUDING SAN ANTONIO AND DEL RIO...

...MARGINAL RISK FOR SEVERE THUNDERSTORMS FOR THE HILL COUNTRY
AND EAST OF THE I35 CORRIDOR INCLUDING AUSTIN...

A LINE OF THUNDERSTORMS IS EXPECTED TO DEVELOP TONIGHT AND MOVE
ACROSS THE EDWARDS PLATEAU AND RIO GRANDE PLAINS REGION CAPABLE OF
PRODUCING LARGE HAIL...DAMAGING WINDS...AND POSSIBLY AN ISOLATED
TORNADO. THE LINE IS EXPECTED TO ENTER THE PLATEAU AND RIO GRANDE
PLAINS JUST BEFORE MIDNIGHT AND REACH THE INTERSTATE 35 CORRIDOR
BETWEEN 2 AND 4 AM.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

A WIND ADVISORY WILL BE IN EFFECT TUESDAY WITH WINDS OF 25-30 MPH
WITH GUSTS OVER 40 MPH POSSIBLE.

ALONG WITH STRONG WINDS...RELATIVE HUMIDITY WILL DROP BELOW 25
PERCENT OVER THE RIO GRANDE PLAINS AND THIS COMBINATION WILL LEAD
TO ELEVATED FIRE WEATHER CONDITIONS TUESDAY AFTERNOON.

OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TONIGHT AS STORMS IMPACT THE
AREA.

TB3

In the hours before

Special weather statement, Feb 22, 8:49 PM CST, 1 hour 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
849 PM CST MON FEB 22 2016

TXZ183-230345-
VAL VERDE TX-
849 PM CST MON FEB 22 2016

...SIGNIFICANT WEATHER ADVISORY FOR VAL VERDE COUNTY UNTIL 945 PM
CST...

AT 847 PM CST...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES SOUTHEAST OF
PANDALE TO 8 MILES NORTH OF PUMPVILLE TO 24 MILES SOUTH OF DRYDEN...
AND MOVING EAST AT 60 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THESE STORMS. BRIEF HEAVY RAINS UP TO ONE HALF INCH CAN ALSO BE
EXPECTED.

LOCATIONS IMPACTED INCLUDE...
LANGTRY...JUNO...LOMA ALTA...COMSTOCK...OSMAN...PANDALE...SHUMLA...
PUMPVILLE...SEMINOLE CANYON STATE PARK...AMISTAD VILLAGE...BOX
CANYON-AMISTAD...PAFFORD CROSSING...ROUGH CANYON REC AREA...DEVILS
SHORES...BAKERS CROSSING...VINEGARONE AND DEVILS RIVER STATE NATURAL
AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3015 10176 3029 10088 3029 10071 2967 10072
      2943 10105 2952 10117 2953 10126 2962 10125
      2963 10126 2957 10129 2965 10130 2965 10136
      2975 10142 2977 10140 2975 10144 2979 10147
      2976 10154 2981 10154 2976 10164 2978 10176
TIME...MOT...LOC 0247Z 266DEG 51KT 3009 10139 3005 10170 2969 10205

CP
Special weather statement, Feb 22, 9:22 PM CST, 1 hour 13 minutes before
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Special weather statement, Feb 22, 9:44 PM CST, 51 minutes before
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Special weather statement, Feb 22, 10:24 PM CST, 11 minutes before
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Special weather statement, Feb 22, 10:35 PM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 8:49 PM CSTSpecial Weather StatementEWXVal Verde56 min
Feb 22, 9:22 PM CSTSpecial Weather StatementEWXEdwards53 min
Feb 22, 9:44 PM CSTSpecial Weather StatementEWXVal Verde61 min
Feb 22, 10:08 PM CSTSevere Thunderstorm WarningEWXEdwards, Kinney, Val Verde67 min
Feb 22, 10:24 PM CSTSpecial Weather StatementEWXKerr51 min
Feb 22, 10:58 PM CSTSevere Thunderstorm WarningEWXKinney, Maverick, Uvalde, Zavala62 min
Feb 22, 11:46 PM CSTSpecial Weather StatementEWXEdwards59 min
Feb 22, 11:54 PM CSTSevere Thunderstorm WarningEWXDimmit, Frio, Medina, Uvalde, Zavala66 min
Feb 23, 12:03 AM CSTSpecial Weather StatementEWXKinney42 min
Feb 23, 12:27 AM CSTSpecial Weather StatementEWXBexar, Medina63 min
Feb 23, 12:41 AM CSTSevere Thunderstorm WarningEWXAtascosa, Frio64 min
Feb 23, 12:51 AM CSTSpecial Weather StatementEWXBlanco, Comal, Guadalupe, Hays54 min
Feb 23, 12:56 AM CSTSevere Thunderstorm WarningEWXFrio, Zavala64 min
Feb 23, 1:42 AM CSTSpecial Weather StatementEWXGonzales, Karnes, Wilson63 min
Feb 23, 1:48 AM CSTSpecial Weather StatementEWXZavala57 min
Feb 23, 2:00 AM CSTSpecial Weather StatementEWXAtascosa60 min
Feb 23, 2:11 AM CSTSpecial Weather StatementEWXBurnet, Williamson64 min
Feb 23, 2:21 AM CSTAreal Flood AdvisoryEWXBexar3 hr
Feb 23, 2:31 AM CSTSpecial Weather StatementEWXDeWitt, Gonzales, Lavaca59 min
Feb 23, 2:52 AM CSTSpecial Weather StatementEWXFrio53 min
Feb 23, 2:55 AM CSTSpecial Weather StatementEWXAtascosa, Frio65 min
Feb 23, 3:03 AM CSTSpecial Weather StatementEWXKarnes57 min
Feb 23, 3:07 AM CSTSpecial Weather StatementEWXWilliamson23 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.