Alert archive / Texas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 49, NWS Austin/San Antonio, TX

May 3, 2018Dimmit County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 3, 2018, 10:14 PM CDT for Dimmit County, Texas. It was in force for 61 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: May 3, 2018, 10:14 PM CDT (03:14 UTC)
Expired: May 3, 2018, 11:15 PM CDT
In force: 61 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Dimmit County, TX

The radar

The Laughlin AFB radar (KDFX), 90 km from the middle of the area, began a volume at 03:17 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 3, 9:33 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 3.2 hours before the alert went out and 126 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: 376 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 2594 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

608 
WUUS54 KEWX 040314
SVREWX
TXC127-040415-
/O.NEW.KEWX.SV.W.0049.180504T0314Z-180504T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
1014 PM CDT THU MAY 3 2018

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Northwestern Dimmit County in south central Texas...

* Until 1115 PM CDT

* At 1014 PM CDT, a severe thunderstorm was located 10 miles
  southwest of Carrizo Springs, moving north at 10 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Carrizo Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail, damaging winds, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature's leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.

&&

LAT...LON 2853 10012 2865 10011 2864 9986 2834 9985
      2831 10005
TIME...MOT...LOC 0314Z 172DEG 11KT 2840 9997 

HAIL...1.00IN
WIND...60MPH
 
$$

1 follow-up statement

884 
WWUS54 KEWX 040342
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1042 PM CDT THU MAY 3 2018

TXC127-040415-
/O.CON.KEWX.SV.W.0049.000000T0000Z-180504T0415Z/
Dimmit TX-
1042 PM CDT THU MAY 3 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR NORTHWESTERN DIMMIT COUNTY...

At 1042 PM CDT, a severe thunderstorm was located 7 miles west of
Carrizo Springs, moving north at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Carrizo Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 2853 10012 2865 10011 2864 9986 2834 9985
      2831 10005
TIME...MOT...LOC 0342Z 172DEG 11KT 2849 9998 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 7:32 PM CDT	Special Weather Statement	EWX	Dimmit	58 min
May 3, 8:28 PM CDT	Special Weather Statement	EWX	Kinney	62 min
May 3, 8:30 PM CDT	Special Weather Statement	EWX	Dimmit	60 min
May 3, 8:43 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Val Verde	41 min
May 3, 9:11 PM CDT	Special Weather Statement	EWX	Zavala	64 min
May 3, 9:42 PM CDT	Special Weather Statement	EWX	Dimmit	63 min
May 3, 10:40 PM CDT	Special Weather Statement	EWX	Kinney	50 min
May 3, 10:52 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick	34 min
May 3, 10:56 PM CDT	Special Weather Statement	EWX	Maverick	49 min
May 3, 11:18 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Uvalde	57 min
May 3, 11:19 PM CDT	Special Weather Statement	EWX	Real	56 min
May 3, 11:51 PM CDT	Areal Flood Advisory	EWX	Kinney, Uvalde	3 hr
May 4, 12:16 AM CDT	Special Weather Statement	EWX	Uvalde	44 min
May 4, 12:39 AM CDT	Special Weather Statement	EWX	Real	66 min
May 4, 12:48 AM CDT	Areal Flood Advisory	EWX	Bandera, Real, Uvalde	3 hr
May 4, 1:58 AM CDT	Areal Flood Advisory	EWX	Bandera, Kerr	3 hr
May 4, 2:19 AM CDT	Special Weather Statement	EWX	Val Verde	56 min
May 4, 2:37 AM CDT	Severe Thunderstorm Warning	EWX	Val Verde	53 min
May 4, 3:10 AM CDT	Areal Flood Advisory	EWX	Val Verde	3 hr
May 4, 3:23 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Val Verde	67 min
May 4, 4:29 AM CDT	Severe Thunderstorm Warning	EWX	Edwards	61 min
May 4, 5:17 AM CDT	Areal Flood Advisory	EWX	Edwards, Val Verde	3 hr
May 4, 5:25 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kerr	50 min
May 4, 5:39 AM CDT	Special Weather Statement	EWX	Edwards	51 min
May 4, 6:00 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Real	45 min
May 4, 6:09 AM CDT	Areal Flood Advisory	EWX	Edwards	2 hr
May 4, 6:40 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Edwards, Kerr, Real, Uvalde	65 min
May 4, 7:07 AM CDT	Areal Flood Advisory	EWX	Real	3 hr
May 4, 7:10 AM CDT	Special Weather Statement	EWX	Gillespie	50 min
May 4, 7:46 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Bexar, Kendall, Kerr, Medina, Uvalde	59 min
May 4, 8:00 AM CDT	Special Weather Statement	EWX	Blanco	45 min
May 4, 8:21 AM CDT	Areal Flood Advisory	EWX	Bandera, Gillespie, Kerr, Llano, Real, Uvalde	3 hr
May 4, 8:44 AM CDT	Special Weather Statement	EWX	Bexar	46 min
May 4, 8:45 AM CDT	Severe Thunderstorm Warning	EWX	Blanco, Hays, Travis	60 min
May 4, 8:57 AM CDT	Areal Flood Advisory	EWX	Blanco, Burnet, Kendall	3 hr
May 4, 8:57 AM CDT	Areal Flood Advisory	EWX	Medina	3 hr
May 4, 9:19 AM CDT	Special Weather Statement	EWX	Comal	41 min
May 4, 9:29 AM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal, Guadalupe	35 min
May 4, 9:31 AM CDT	Areal Flood Advisory	EWX	Bexar, Comal, Hays, Travis	3 hr
May 4, 9:47 AM CDT	Special Weather Statement	EWX	Travis	43 min
May 4, 10:29 AM CDT	Flash Flood Warning	EWX	Hays, Travis	3 hr
May 4, 11:44 AM CDT	Areal Flood Advisory	EWX	Bastrop, Lee, Williamson	3 hr
May 4, 11:50 AM CDT	Special Weather Statement	EWX	Williamson	25 min
May 4, 11:55 AM CDT	Areal Flood Advisory	EWX	Williamson	3 hr
May 4, 12:07 PM CDT	Areal Flood Advisory	EWX	Medina	3 hr
May 4, 1:32 PM CDT	Areal Flood Advisory	EWX	Hays, Travis	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2018 Every severe thunderstorm warning 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.