Alert archive / Texas / Areal Flood Advisories in 2021
Areal Flood Advisory 152, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this areal flood advisory at Jul 3, 2021, 6:30 PM CDT for Kendall County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 3, 2021, 6:30 PM CDT (23:30 UTC)
- Expired
- Jul 3, 2021, 9:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
County Kendall County, TX
The radar
The Austin/San Antonio radar (KEWX), 71 km from the middle of the area, began a volume at 23:30 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
Corpus Christi, TX (KCRP), launched 12:00Z, 11.5 hours before the alert went out and 280 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
- 1260 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 762 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood advisory 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 areal flood advisory went out at Jul 3, 6:04 PM CDT, 26 minutes earlier.
Area forecast discussion, Jul 3, 6:04 PM CDT, 26 minutes before
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</html>Hazardous weather outlook, Jul 3, 3:09 AM CDT, 15 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Austin/San Antonio TX 309 AM CDT Sat Jul 3 2021 TXZ171>173-183>194-202>209-217>225-228-040900- 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- 309 AM CDT Sat Jul 3 2021 This Hazardous Weather Outlook is for South-Central Texas.. .DAY ONE...Today And Tonight. Scattered storms today, mainly during the afternoon and evening. Cloud to ground lightning will be possible in and near any storms. In addition, a few storms could produce localized, minor flooding as well as gusty winds up to 50 mph. No other hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Scattered storms are forecast Sunday through Friday, especially in the afternoon and evening hours. Cloud to ground lightning will be possible in and near any storms. In addition, a few storms could produce localized, minor flooding as well as gusty winds up to 50 mph. No other hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated.
In the hours before
Special weather statement, Jul 3, 2:12 PM CDT, 4 hours 18 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
212 PM CDT Sat Jul 3 2021
TXZ191-208-032000-
Caldwell TX-Hays TX-
212 PM CDT Sat Jul 3 2021
...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL CALDWELL AND
SOUTHEASTERN HAYS COUNTIES UNTIL 300 PM CDT...
At 212 PM CDT, Doppler radar was tracking a strong thunderstorm near
Wimberley, moving east at 10 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
San Marcos, Kyle, Wimberley, Woodcreek, Martindale, Uhland, San
Marcos Regional Airport and Reedville.
LAT...LON 3002 9780 2983 9780 2983 9785 2985 9786
2985 9788 2984 9790 2984 9803 2991 9812
3003 9811
TIME...MOT...LOC 1912Z 273DEG 10KT 2994 9803
KCWSpecial weather statement, Jul 3, 2:37 PM CDT, 3 hours 53 minutes before
Special Weather Statement National Weather Service Austin/San Antonio TX 237 PM CDT Sat Jul 3 2021 TXZ193-194-209-032030- Bastrop TX-Fayette TX-Lee TX- 237 PM CDT Sat Jul 3 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN BASTROP...SOUTH CENTRAL LEE AND NORTHWESTERN FAYETTE COUNTIES UNTIL 330 PM CDT... At 237 PM CDT, Doppler radar was tracking a strong thunderstorm over Paige, or 8 miles west of Giddings, moving south at 15 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Giddings, Smithville, Paige, Circle D-KC Estates, Serbin, Northrup, Loebau, Rabbs Prairie, Warda, Buescher State Park, Hills, West Point, Lincoln, Winchester, Kirtley, Nechanitz, Manheim and Bastrop State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent 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. && LAT...LON 3026 9725 3032 9691 2999 9677 2990 9716 TIME...MOT...LOC 1937Z 343DEG 12KT 3021 9707 KCW
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 2:12 PM CDT | Special Weather Statement | EWX | Hays | 48 min |
| Jul 3, 2:37 PM CDT | Special Weather Statement | EWX | Lee | 53 min |
| Jul 3, 4:14 PM CDT | Areal Flood Advisory | EWX | Bexar | 3 hr |
| Jul 3, 4:19 PM CDT | Areal Flood Advisory | EWX | Bastrop, Fayette, Lee | 3 hr |
| Jul 3, 5:51 PM CDT | Areal Flood Advisory | EWX | DeWitt, Lavaca | 3 hr |
Nearby
Areal Flood Advisories in Texas, 2021Every areal flood advisory 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.