Alert archive / Texas / Special Weather Statements in 2018

Special Weather Statement, NWS Austin/San Antonio, TX

June 4, 2018Edwards County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Jun 4, 2018, 5:08 AM CDT for Edwards County, Texas. It was in force for 52 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: Jun 4, 2018, 5:08 AM CDT (10:08 UTC)
Expired: Jun 4, 2018, 6:00 AM CDT
In force: 52 min
Issued by: NWS Austin/San Antonio, TX

County Edwards County, TX

The radar

The Laughlin AFB radar (KDFX), 109 km from the middle of the area, began a volume at 10:10 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 nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 10.1 hours before the alert went out and 119 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: 1750 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 2527 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 Jun 4, 4:39 AM CDT, 29 minutes earlier.

Area forecast discussion, Jun 4, 4:39 AM CDT, 29 minutes before

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Hazardous weather outlook, Jun 4, 4:40 AM CDT, 28 minutes before

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In the hours before

Local storm report, Jun 4, 12:34 AM CDT, 4 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1234 AM CDT MON JUN 4 2018

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

1231 AM     TSTM WND DMG     2 S LEANDER             30.54N 97.86W
06/04/2018                   WILLIAMSON         TX   AMATEUR RADIO

            50 FOOT SECTION OF FENCE HAS BEEN BLOWN
            DOWN.

&&

HAMPSHIRE

Local storm report, Jun 4, 12:46 AM CDT, 4 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1246 AM CDT MON JUN 4 2018

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

1242 AM     TSTM WND DMG     2 S JOLLYVILLE          30.42N 97.75W
06/04/2018                   TRAVIS             TX   AMATEUR RADIO

            HIGH WINDS AND LARGE TREE LIMBS REPORTED
            DOWN.

&&

HAMPSHIRE

Special weather statement, Jun 4, 12:51 AM CDT, 4 hours 17 minutes before

Special Weather Statement
National Weather Service Austin/San Antonio TX
1251 AM CDT MON JUN 4 2018

TXZ191>193-208-040645-
Caldwell TX-Bastrop TX-Hays TX-Travis TX-
1251 AM CDT MON JUN 4 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL CALDWELL...EAST
CENTRAL HAYS...SOUTHEASTERN TRAVIS AND NORTHWESTERN BASTROP COUNTIES
UNTIL 145 AM CDT...

At 1251 AM CDT, Doppler radar was tracking a strong thunderstorm over
Austin Bergstrom Int Airport, moving southwest at 15 mph.

Dime size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Austin, Buda, Tanglewood Forest, Austin Bergstrom Int Airport, Manor,
West Lake Hills, Rollingwood, Mustang Ridge, Niederwald, Shady
Hollow, Onion Creek, Wyldwood, Barton Creek, Hornsby Bend, Manchaca,
Sunset Valley, San Leanna, Webberville, Hays and Creedmoor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3039 9748 3018 9737 2995 9770 3024 9798
TIME...MOT...LOC 0551Z 049DEG 12KT 3022 9763

MO

Special weather statement, Jun 4, 1:17 AM CDT, 3 hours 51 minutes before

Special Weather Statement
National Weather Service Austin/San Antonio TX
117 AM CDT MON JUN 4 2018

TXZ171-172-190-192-040700-
Blanco TX-Llano TX-Burnet TX-Travis TX-
117 AM CDT MON JUN 4 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN TRAVIS...
NORTHEASTERN BLANCO...SOUTHEASTERN LLANO AND SOUTHWESTERN BURNET
COUNTIES UNTIL 200 AM CDT...

At 117 AM CDT, Doppler radar was tracking a strong thunderstorm over
Smithwick, or 8 miles southeast of Marble Falls, moving southwest at
10 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Marble Falls, Round Mountain, Granite Shoals, Horseshoe Bay,
Meadowlakes, Highland Haven, Spicewood, Cypress Mill, Pedernales
Falls State Park, Smithwick, Cottonwood Shores and Sunrise Beach
Village.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may be
producing flash flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3049 9801 3034 9815 3036 9817 3029 9820
      3024 9824 3060 9854 3072 9819
TIME...MOT...LOC 0617Z 049DEG 9KT 3052 9814

MO

Special weather statement, Jun 4, 2:05 AM CDT, 3 hours 3 minutes before

Special Weather Statement
National Weather Service Austin/San Antonio TX
205 AM CDT MON JUN 4 2018

TXZ172-190-191-040800-
Blanco TX-Hays TX-Burnet TX-
205 AM CDT MON JUN 4 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN HAYS...NORTHEASTERN
BLANCO AND SOUTH CENTRAL BURNET COUNTIES UNTIL 300 AM CDT...

At 205 AM CDT, Doppler radar was tracking a strong thunderstorm over
Cypress Mill, or near Round Mountain, moving south at 15 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Marble Falls, Dripping Springs, Round Mountain, Johnson City,
Spicewood, Cypress Mill and Pedernales Falls State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3051 9811 3050 9812 3048 9811 3044 9811
      3036 9817 3032 9812 3019 9812 3023 9843
      3054 9832
TIME...MOT...LOC 0705Z 009DEG 12KT 3039 9824

MO

Special weather statement, Jun 4, 5:08 AM CDT, 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
Jun 3, 10:59 PM CDT	Special Weather Statement	EWX	Bastrop, Fayette, Lee	61 min
Jun 3, 11:22 PM CDT	Severe Thunderstorm Warning	EWX	Williamson	68 min
Jun 3, 11:39 PM CDT	Special Weather Statement	EWX	Travis	36 min
Jun 4, 12:04 AM CDT	Special Weather Statement	EWX	Williamson	56 min
Jun 4, 12:07 AM CDT	Severe Thunderstorm Warning	EWX	Travis, Williamson	53 min
Jun 4, 12:19 AM CDT	Special Weather Statement	EWX	Burnet, Llano	41 min
Jun 4, 12:27 AM CDT	Areal Flood Advisory	EWX	Burnet, Travis, Williamson	4 hr
Jun 4, 12:51 AM CDT	Special Weather Statement	EWX	Travis	54 min
Jun 4, 1:03 AM CDT	Flash Flood Warning	EWX	Travis, Williamson	3 hr
Jun 4, 1:06 AM CDT	Flash Flood Warning	EWX	Burnet, Llano	3 hr
Jun 4, 1:17 AM CDT	Special Weather Statement	EWX	Blanco	43 min
Jun 4, 1:47 AM CDT	Areal Flood Advisory	EWX	Blanco, Burnet, Llano, Travis	3 hr
Jun 4, 2:05 AM CDT	Special Weather Statement	EWX	Blanco	55 min
Jun 4, 2:10 AM CDT	Severe Thunderstorm Warning	EWX	Blanco	35 min
Jun 4, 2:36 AM CDT	Flash Flood Warning	EWX	Blanco, Burnet	3 hr
Jun 4, 3:56 AM CDT	Flash Flood Warning	EWX	Blanco, Burnet, Llano	3 hr
Jun 4, 5:33 AM CDT	Areal Flood Advisory	EWX	Blanco, Burnet, Llano	3 hr
Jun 4, 5:39 AM CDT	Special Weather Statement	EWX	Kerr	51 min

Nearby

Special Weather Statements in Texas, 2018 Every special weather statement in 2018

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.