Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this special weather statement at Mar 25, 2021, 3:24 AM CDT for Blanco County, Texas. It was in force for 36 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
- Mar 25, 2021, 3:24 AM CDT (08:24 UTC)
- Expired
- Mar 25, 2021, 4:00 AM CDT
- In force
- 36 min
- Issued by
- NWS Austin/San Antonio, TX
County Blanco County, TX
The radar
The Austin/San Antonio radar (KEWX), 49 km from the middle of the area, began a volume at 08:28 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 (KDRT), launched 00:00Z, 8.4 hours before the alert went out and 263 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
- 479 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 2767 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 317 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted.
401
WWUS84 KEWX 250824
SPSEWX
Special Weather Statement
National Weather Service Austin/San Antonio TX
324 AM CDT Thu Mar 25 2021
TXZ190-191-250900-
Blanco TX-Hays TX-
324 AM CDT Thu Mar 25 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN HAYS AND CENTRAL
BLANCO COUNTIES UNTIL 400 AM CDT...
At 323 AM CDT, Doppler radar was tracking a strong thunderstorm near
Blanco, moving northeast at 45 mph.
Penny size hail will be possible with this storm.
Locations impacted include...
Dripping Springs, Blanco, Bear Creek, Flugrath, Twin Sisters, Henly,
Payton, Pedernales Falls State Park, Driftwood and Mount Gainor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Occasional cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
A Tornado Watch remains in effect until 400 AM CDT for south central
Texas.
LAT...LON 3014 9788 3000 9825 3004 9830 2994 9842
3006 9852 3013 9856 3038 9821
TIME...MOT...LOC 0823Z 241DEG 41KT 3006 9841
$$
RUNYENThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 8:24 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 47 min |
| Mar 24, 10:19 PM CDT | Special Weather Statement | EWX | Edwards | 41 min |
| Mar 24, 10:29 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 61 min |
| Mar 24, 11:06 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real, Val Verde | 54 min |
| Mar 24, 11:27 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Llano | 63 min |
| Mar 24, 11:51 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Val Verde | 54 min |
| Mar 24, 11:59 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr, Real | 46 min |
| Mar 25, 12:44 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Edwards, Kinney, Real, Uvalde | 61 min |
| Mar 25, 1:44 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kendall, Kerr, Medina, Real, Uvalde | 61 min |
| Mar 25, 2:44 AM CDT | Special Weather Statement | EWX | Kendall | 46 min |
| Mar 25, 3:49 AM CDT | Special Weather Statement | EWX | Travis | 41 min |
| Mar 25, 4:17 AM CDT | Severe Thunderstorm Warning | EWX | Travis, Williamson | 32 min |
Nearby
Special Weather Statements in Texas, 2021Every special weather statement in 2021
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.