Alert archive / Texas / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 39, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 13, 2018, 10:55 PM CDT for Bastrop County, Fayette County, Lee County, Texas. It was in force for 50 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 13, 2018, 10:55 PM CDT (03:55 UTC)
- Expired
- Apr 13, 2018, 11:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bastrop County, TX, Fayette County, TX, Lee County, TX
The radar
The Ft Hood radar (KGRK), 74 km from the middle of the area, began a volume at 03:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 13, 11:03 PM CDT | TSTM WND DMG | Bastrop State Park, TX | CITY OF BASTROP OEM REPORTED A ROOF OFF A MOBILE HOME JUST EAST OF DOWNTOWN BASTROP. TIME ESTIMATE VIA RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 3.9 hours before the alert went out and 283 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.
- Mixed-layer CAPE
- 2973 J/kg
- Mixed-layer CIN
- -191 J/kg
- Mixed-layer LCL
- 1298 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted.
780
WUUS54 KEWX 140355
SVREWX
TXC021-149-287-140445-
/O.NEW.KEWX.SV.W.0039.180414T0355Z-180414T0445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
1055 PM CDT FRI APR 13 2018
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Eastern Bastrop County in south central Texas...
Lee County in south central Texas...
Central Fayette County in south central Texas...
* Until 1145 PM CDT
* At 1054 PM CDT, a severe thunderstorm was located near Fedor, or 10
miles northwest of Giddings, moving southeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Elgin, Bastrop, Giddings, La Grange, Smithville, Lexington, Dime
Box, Round Top, Fedor, Paige, Muldoon, Tanglewood, Camp Swift,
Circle D-KC Estates, Lake Somerville State Park & Trailway,
Carmine, Knobb Springs, Phelan, Bastrop State Park and Rutersville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2978 9707 3027 9746 3042 9726 3046 9713
3056 9696 3054 9692 3046 9690 3039 9679
3032 9674 3032 9669 3029 9665 3025 9669
3024 9674 3020 9674 3016 9679 3014 9677
3017 9669 3015 9665 3008 9663 2996 9657
TIME...MOT...LOC 0354Z 329DEG 44KT 3027 9709
HAIL...<.75IN
WIND...60MPH
$$
BMW1 follow-up statement
810
WWUS54 KEWX 140426
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
1126 PM CDT FRI APR 13 2018
TXC021-149-287-140445-
/O.CON.KEWX.SV.W.0039.000000T0000Z-180414T0445Z/
Bastrop TX-Lee TX-Fayette TX-
1126 PM CDT FRI APR 13 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR EASTERN BASTROP...LEE AND CENTRAL FAYETTE COUNTIES...
At 1126 PM CDT, severe thunderstorms were located along a line
extending from near Round Top to near Smithville, moving southeast at
30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bastrop, Giddings, La Grange, Smithville, Lexington, Dime Box, Round
Top, Fedor, Paige, Muldoon, Tanglewood, Camp Swift, Circle D-KC
Estates, Lake Somerville State Park & Trailway, Carmine, Knobb
Springs, Phelan, Bastrop State Park, Rutersville and Northrup.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3018 9739 3042 9726 3046 9713 3056 9696
3054 9692 3046 9690 3039 9679 3032 9674
3032 9669 3029 9665 3025 9669 3024 9674
3020 9674 3016 9679 3014 9677 3017 9669
3015 9665 3008 9663 2996 9657 2978 9707
TIME...MOT...LOC 0426Z 326DEG 28KT 3009 9667 2995 9714
HAIL...0.75IN
WIND...60MPH
$$
MOThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 7:14 PM CDT | Special Weather Statement | EWX | Burnet | 46 min |
| Apr 13, 8:01 PM CDT | Special Weather Statement | EWX | Burnet | 59 min |
| Apr 13, 8:17 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 43 min |
| Apr 13, 8:37 PM CDT | Special Weather Statement | EWX | Gillespie, Llano | 38 min |
| Apr 13, 8:58 PM CDT | Special Weather Statement | EWX | Williamson | 47 min |
| Apr 13, 9:21 PM CDT | Special Weather Statement | EWX | Burnet | 54 min |
| Apr 13, 9:34 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Llano, Travis, Williamson | 21 min |
| Apr 13, 9:39 PM CDT | Special Weather Statement | EWX | Williamson | 51 min |
| Apr 13, 10:05 PM CDT | Special Weather Statement | EWX | Williamson | 25 min |
| Apr 13, 10:21 PM CDT | Special Weather Statement | EWX | Medina | 39 min |
| Apr 13, 10:24 PM CDT | Special Weather Statement | EWX | Williamson | 51 min |
| Apr 13, 10:39 PM CDT | Special Weather Statement | EWX | Bastrop, Lee, Travis | 51 min |
| Apr 13, 10:45 PM CDT | Special Weather Statement | EWX | Medina | 45 min |
| Apr 13, 11:03 PM CDT | Severe Thunderstorm Warning | EWX | Medina | 57 min |
| Apr 13, 11:07 PM CDT | Special Weather Statement | EWX | Bexar | 53 min |
| Apr 13, 11:38 PM CDT | Special Weather Statement | EWX | Guadalupe | 52 min |
| Apr 13, 11:51 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Guadalupe, Wilson | 39 min |
| Apr 14, 12:04 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Bexar, Dimmit, Frio, Karnes, Wilson | 41 min |
| Apr 14, 12:07 AM CDT | Special Weather Statement | EWX | Fayette, Gonzales | 53 min |
| Apr 14, 12:49 AM CDT | Special Weather Statement | EWX | Atascosa, DeWitt, Karnes, Lavaca, Wilson | 56 min |
| Apr 14, 3:40 AM CDT | Red Flag Warning | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 20 more | 15 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2018Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.