Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Austin/San Antonio, TX

January 15, 2017Hays County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Jan 15, 2017, 10:22 PM CST for Hays 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
Jan 15, 2017, 10:22 PM CST (04:22 UTC)
Expired
Jan 15, 2017, 11:00 PM CST
In force
38 min
Issued by
NWS Austin/San Antonio, TX

County Hays County, TX

The radar

The Austin/San Antonio radar (KEWX), 39 km from the middle of the area, began a volume at 04:25 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

Corpus Christi, TX (KCRP), launched 00:00Z, 4.4 hours before the alert went out and 268 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, Corpus Christi, TX at 00:00Z on 2017-01-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 809 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, Corpus Christi, TX at 00:00Z on 2017-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
809 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.7
Supercell composite
7.8

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 Jan 15, 10:17 PM CST, 5 minutes earlier.

Area forecast discussion, Jan 15, 10:17 PM CST, 5 minutes before
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Hazardous weather outlook, Jan 15, 4:58 AM CST, 17 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
458 AM CST SUN JAN 15 2017

TXZ171>173-183>194-202>209-217>225-228-161100-
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-
458 AM CST SUN JAN 15 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH-CENTRAL TEXAS..

.DAY ONE...TODAY AND TONIGHT.

THERE IS A CHANCE FOR STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON
AND TONIGHT. THE GREATEST THREAT FOR SEVERE STORMS WILL BE ALONG
AND WEST OF I-35. DAMAGING WIND GUSTS...ISOLATED TORNADOES...AND
LARGE HAIL WILL BE POSSIBLE. LOCALLY HEAVY RAIN IS ALSO POSSIBLE
ACROSS THE HILL COUNTRY AND MAY CAUSE SOME FLOODING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD REPORT ANY SEVERE WEATHER AND EXCESSIVE RAINFALL
AMOUNTS.

In the hours before

Local storm report, Jan 15, 9:11 PM CST, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
911 PM CST SUN JAN 15 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0503 PM     HAIL             10 SW CARTA VALLEY      29.72N 100.82W
01/15/2017  E1.00 INCH       VAL VERDE          TX   OTHER FEDERAL

            NICKEL TO QUARTER SIZE HAIL REPORTED BY BORDER PATROL
            AGENTS ONE MILE SOUTH OF THE 277 AND 377 HIGHWAY
            INTERSECTION

0527 PM     HAIL             CARTA VALLEY            29.80N 100.68W
01/15/2017  E1.25 INCH       EDWARDS            TX   CO-OP OBSERVER

            QUARTER TO SLIGHTLY LARGER SIZE HAILSTONES OBSERVED

0530 PM     HAIL             4 E CARTA VALLEY        29.79N 100.62W
01/15/2017  M1.50 INCH       EDWARDS            TX   STORM CHASER

            QUARTER TO PING PONG SIZE HAIL COVERING THE ROAD ON
            HIGHWAY 377 NEAR FM2523

0545 PM     HAIL             16 N KICKAPOO CAVERN ST 29.84N 100.41W
01/15/2017  E2.50 INCH       EDWARDS            TX   COCORAHS

            TENNIS BALL SIZE HAIL 17 MILES SW OF ROCKSPRINGS

0556 PM     HAIL             9 NNE KICKAPOO CAVERN S 29.73N 100.41W
01/15/2017  E2.50 INCH       EDWARDS            TX   STORM CHASER

0633 PM     HAIL             12 ENE ROCKSPRINGS      30.08N 100.03W
01/15/2017  E0.25 INCH       EDWARDS            TX   COCORAHS

0640 PM     HAIL             4 WSW TUFF              29.76N  99.83W
01/15/2017  E0.70 INCH       REAL               TX   STORM CHASER

            DIME SIZE HAIL JUST WEST OF LEAKEY

0646 PM     HAIL             7 NE CAMP WOOD          29.74N  99.92W
01/15/2017  E1.50 INCH       REAL               TX   COCORAHS

0655 PM     HAIL             5 N LEAKEY              29.80N  99.76W
01/15/2017  E2.00 INCH       REAL               TX   TRAINED SPOTTER

0658 PM     HAIL             6 N LEAKEY              29.81N  99.76W
01/15/2017  E3.00 INCH       REAL               TX   PUBLIC

0720 PM     HAIL             VANDERPOOL              29.74N  99.55W
01/15/2017  E1.75 INCH       BANDERA            TX   FIRE DEPT/RESCUE

0725 PM     HAIL             4 SW BRACKETTVILLE      29.28N 100.45W
01/15/2017  E1.00 INCH       KINNEY             TX   EMERGENCY MNGR

0745 PM     HAIL             6 E BRACKETTVILLE       29.32N 100.31W
01/15/2017  E1.00 INCH       KINNEY             TX   EMERGENCY MNGR

            QUARTER SIZE HAIL EAST OF BRACKETTVILLE MAINLY ON THE
            SOUTH SIDE OF HIGHWAY 90

0752 PM     HAIL             3 N MEDINA              29.84N  99.25W
01/15/2017  E1.00 INCH       BANDERA            TX   TRAINED SPOTTER

            NICKEL TO QUARTER SIZE HAIL OBSERVED

0758 PM     HAIL             MEDINA                  29.80N  99.25W
01/15/2017  M2.75 INCH       BANDERA            TX   PUBLIC

            PHOTO SHOWS BASEBALL SIZE HAIL NEXT TO A REAL BASEBALL

0800 PM     HAIL             MEDINA                  29.80N  99.25W
01/15/2017  E1.75 INCH       BANDERA            TX   TRAINED SPOTTER

0803 PM     HAIL             1 S MEDINA              29.78N  99.25W
01/15/2017  E2.00 INCH       BANDERA            TX   COCORAHS

            LARGE HAIL PRODUCING CAR DENTS

0804 PM     HAIL             MEDINA                  29.80N  99.25W
01/15/2017  E2.50 INCH       BANDERA            TX   PUBLIC

            LARGE HAIL BUSTED OUT A SKY LIGHT

0808 PM     HAIL             MEDINA                  29.80N  99.25W
01/15/2017  E1.75 INCH       BANDERA            TX   CO-OP OBSERVER

0815 PM     HAIL             4 NNW BANDERA           29.78N  99.10W
01/15/2017  E1.25 INCH       BANDERA            TX   COCORAHS

&&

EVENT NUMBER EWX1700015 EWX1700016 EWX1700017 EWX1700021 EWX1700018
EWX1700019 EWX1700020 EWX1700022 EWX1700023 EWX1700033 EWX1700024
EWX1700025 EWX1700026 EWX1700027 EWX1700034 EWX1700028 EWX1700030
EWX1700032 EWX1700029 EWX1700031

SBS
Local storm report, Jan 15, 9:43 PM CST, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
943 PM CST SUN JAN 15 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 PM     HAIL             MEDINA                  29.80N  99.25W
01/15/2017  M4.00 INCH       BANDERA            TX   AMATEUR RADIO

            PHOTO SHOWS A FOUR INCH DIAMETER HAILSTONE AS MEASURED
            WITH A TAILORS TAPE MEASURE

&&

EVENT NUMBER EWX1700035

SBS
Special weather statement, Jan 15, 9:43 PM CST, 39 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
943 PM CST SUN JAN 15 2017

TXZ186>189-203-204-160445-
Uvalde TX-Gillespie TX-Kerr TX-Medina TX-Bandera TX-Kendall TX-
943 PM CST SUN JAN 15 2017

...SIGNIFICANT WEATHER ADVISORY FOR MEDINA...BANDERA...SOUTHEASTERN
KERR...UVALDE...SOUTH CENTRAL GILLESPIE AND WESTERN KENDALL COUNTIES
UNTIL 1045 PM CST...

At 943 PM CST, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles northeast of Fredericksburg to near
Blewett. Movement was east at 30 mph.

Dime size hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Medina, Kerrville, Uvalde, Fredericksburg, Hondo, Devine,
Castroville, Comfort, Bandera, Tarpley, Sabinal, Natalia, Camp Verde,
D'Hanis, Bandera Falls, Noonan, Quihi, Concan, Dunlay and Rocky Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

A tornado watch remains in effect until midnight CST for south
central Texas.

A severe thunderstorm watch remains in effect until 1000 PM CST for
south central Texas.

LAT...LON 2913 9886 2910 10011 2917 10011 2963 9965
      2963 9960 2967 9960 3036 9890 3036 9876
TIME...MOT...LOC 0343Z 267DEG 24KT 3034 9881 2913 10001
Local storm report, Jan 15, 9:56 PM CST, 26 minutes before
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Local storm report, Jan 15, 10:19 PM CST, 3 minutes before
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Special weather statement, Jan 15, 10:22 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
Jan 15, 6:12 PM CSTSpecial Weather StatementEWXEdwards48 min
Jan 15, 6:21 PM CSTSpecial Weather StatementEWXKinney39 min
Jan 15, 6:24 PM CSTSevere Thunderstorm WarningEWXEdwards, Real66 min
Jan 15, 6:30 PM CSTSpecial Weather StatementEWXEdwards60 min
Jan 15, 6:42 PM CSTSevere Thunderstorm WarningEWXEdwards, Kerr, Real48 min
Jan 15, 6:43 PM CSTSpecial Weather StatementEWXKimble32 min
Jan 15, 6:48 PM CSTSpecial Weather StatementEWXKinney42 min
Jan 15, 7:00 PM CSTSevere Thunderstorm WarningEWXKinney28 min
Jan 15, 7:08 PM CSTSevere Thunderstorm WarningEWXBandera67 min
Jan 15, 7:13 PM CSTSevere Thunderstorm WarningEWXKinney47 min
Jan 15, 7:17 PM CSTSpecial Weather StatementEWXEdwards43 min
Jan 15, 7:33 PM CSTSpecial Weather StatementEWXKerr42 min
Jan 15, 7:46 PM CSTSevere Thunderstorm WarningEWXKinney29 min
Jan 15, 7:48 PM CSTTornado WarningEWXKerr27 min
Jan 15, 7:59 PM CSTSevere Thunderstorm WarningEWXKinney, Uvalde46 min
Jan 15, 8:14 PM CSTSevere Thunderstorm WarningEWXBandera, Kendall, Kerr46 min
Jan 15, 8:16 PM CSTSpecial Weather StatementEWXKerr, Real, Uvalde44 min
Jan 15, 8:19 PM CSTSpecial Weather StatementEWXKendall41 min
Jan 15, 8:36 PM CSTAreal Flood AdvisoryEWXBandera, Kerr, Real3 hr
Jan 15, 8:56 PM CSTSpecial Weather StatementEWXBandera, Gillespie, Kendall, Kerr, Medina, Uvalde49 min
Jan 15, 8:59 PM CSTSevere Thunderstorm WarningEWXKendall46 min
Jan 15, 9:11 PM CSTAreal Flood AdvisoryEWXKinney, Uvalde3 hr
Jan 15, 9:27 PM CSTTornado WarningEWXKendall33 min
Jan 15, 9:43 PM CSTSpecial Weather StatementEWXBandera, Medina, Uvalde62 min
Jan 15, 9:44 PM CSTSevere Thunderstorm WarningEWXBlanco, Comal, Kendall46 min
Jan 15, 9:52 PM CSTAreal Flood AdvisoryEWXBandera, Kendall, Kerr3 hr
Jan 15, 10:25 PM CSTSpecial Weather StatementEWXBexar50 min
Jan 15, 11:07 PM CSTSpecial Weather StatementEWXHays, Travis53 min
Jan 15, 11:16 PM CSTSpecial Weather StatementEWXBexar, Comal29 min
Jan 15, 11:21 PM CSTAreal Flood AdvisoryEWXBexar3 hr
Jan 15, 11:30 PM CSTSpecial Weather StatementEWXBexar45 min
Jan 15, 11:45 PM CSTSpecial Weather StatementEWXBexar, Comal30 min
Jan 16, 12:07 AM CSTSpecial Weather StatementEWXWilliamson38 min
Jan 16, 12:32 AM CSTAreal Flood AdvisoryEWXComal, Hays3 hr
Jan 16, 1:04 AM CSTAreal Flood AdvisoryEWXBexar, Guadalupe3 hr

Nearby

Special Weather Statements in Texas, 2017Every special weather statement in 2017

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.