Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Austin/San Antonio, TX

January 15, 2017Bexar County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Jan 15, 2017, 10:25 PM CST for Bexar County, Texas. It was in force for 50 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, 10:25 PM CST (04:25 UTC)
Expired: Jan 15, 2017, 11:15 PM CST
In force: 50 min
Issued by: NWS Austin/San Antonio, TX

County Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 68 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

Del Rio, TX (KDLF), launched 00:00Z, 4.4 hours before the alert went out and 207 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: 540 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1460 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 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 Jan 15, 10:17 PM CST, 8 minutes earlier.

Area forecast discussion, Jan 15, 10:17 PM CST, 8 minutes before

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Hazardous weather outlook, Jan 15, 4:58 AM CST, 17 hours 27 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, 9:43 PM CST, 42 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, 42 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, 29 minutes before

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Local storm report, Jan 15, 10:19 PM CST, 6 minutes before

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Special weather statement, Jan 15, 10:22 PM CST, 3 minutes before

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Special weather statement, Jan 15, 10:25 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.

Issued	Product	Office	Counties	Lasted
Jan 15, 6:12 PM CST	Special Weather Statement	EWX	Edwards	48 min
Jan 15, 6:21 PM CST	Special Weather Statement	EWX	Kinney	39 min
Jan 15, 6:24 PM CST	Severe Thunderstorm Warning	EWX	Edwards, Real	66 min
Jan 15, 6:30 PM CST	Special Weather Statement	EWX	Edwards	60 min
Jan 15, 6:42 PM CST	Severe Thunderstorm Warning	EWX	Edwards, Kerr, Real	48 min
Jan 15, 6:43 PM CST	Special Weather Statement	EWX	Kimble	32 min
Jan 15, 6:48 PM CST	Special Weather Statement	EWX	Kinney	42 min
Jan 15, 7:00 PM CST	Severe Thunderstorm Warning	EWX	Kinney	28 min
Jan 15, 7:08 PM CST	Severe Thunderstorm Warning	EWX	Bandera	67 min
Jan 15, 7:13 PM CST	Severe Thunderstorm Warning	EWX	Kinney	47 min
Jan 15, 7:17 PM CST	Special Weather Statement	EWX	Edwards	43 min
Jan 15, 7:33 PM CST	Special Weather Statement	EWX	Kerr	42 min
Jan 15, 7:46 PM CST	Severe Thunderstorm Warning	EWX	Kinney	29 min
Jan 15, 7:48 PM CST	Tornado Warning	EWX	Kerr	27 min
Jan 15, 7:59 PM CST	Severe Thunderstorm Warning	EWX	Kinney, Uvalde	46 min
Jan 15, 8:14 PM CST	Severe Thunderstorm Warning	EWX	Bandera, Kendall, Kerr	46 min
Jan 15, 8:16 PM CST	Special Weather Statement	EWX	Kerr, Real, Uvalde	44 min
Jan 15, 8:19 PM CST	Special Weather Statement	EWX	Kendall	41 min
Jan 15, 8:36 PM CST	Areal Flood Advisory	EWX	Bandera, Kerr, Real	3 hr
Jan 15, 8:56 PM CST	Special Weather Statement	EWX	Bandera, Gillespie, Kendall, Kerr, Medina, Uvalde	49 min
Jan 15, 8:59 PM CST	Severe Thunderstorm Warning	EWX	Kendall	46 min
Jan 15, 9:11 PM CST	Areal Flood Advisory	EWX	Kinney, Uvalde	3 hr
Jan 15, 9:27 PM CST	Tornado Warning	EWX	Kendall	33 min
Jan 15, 9:43 PM CST	Special Weather Statement	EWX	Bandera, Medina, Uvalde	62 min
Jan 15, 9:44 PM CST	Severe Thunderstorm Warning	EWX	Blanco, Comal, Kendall	46 min
Jan 15, 9:52 PM CST	Areal Flood Advisory	EWX	Bandera, Kendall, Kerr	3 hr
Jan 15, 10:22 PM CST	Special Weather Statement	EWX	Hays	38 min
Jan 15, 11:07 PM CST	Special Weather Statement	EWX	Hays, Travis	53 min
Jan 15, 11:16 PM CST	Special Weather Statement	EWX	Bexar, Comal	29 min
Jan 15, 11:21 PM CST	Areal Flood Advisory	EWX	Bexar	3 hr
Jan 15, 11:30 PM CST	Special Weather Statement	EWX	Bexar	45 min
Jan 15, 11:45 PM CST	Special Weather Statement	EWX	Bexar, Comal	30 min
Jan 16, 12:07 AM CST	Special Weather Statement	EWX	Williamson	38 min
Jan 16, 12:32 AM CST	Areal Flood Advisory	EWX	Comal, Hays	3 hr
Jan 16, 1:04 AM CST	Areal Flood Advisory	EWX	Bexar, Guadalupe	3 hr

Nearby

Special Weather Statements in Texas, 2017 Every 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.