Alert archive / Texas / Areal Flood Advisories in 2021
Areal Flood Advisory 290, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this areal flood advisory at Nov 3, 2021, 10:24 AM CDT for Bandera County, Kendall County, Kerr County, Texas. It was in force for 111 min.
The area
The counties it named.
The facts
- Issued
- Nov 3, 2021, 10:24 AM CDT (15:24 UTC)
- Expired
- Nov 3, 2021, 12:15 PM CDT
- In force
- 111 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Bandera County, TX, Kendall County, TX, Kerr County, TX
The radar
The Austin/San Antonio radar (KEWX), 106 km from the middle of the area, began a volume at 15:24 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, 3.4 hours before the alert went out and 298 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
- 1028 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 834 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
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 Nov 3, 6:26 AM CDT, 3 hours 58 minutes earlier.
Area forecast discussion, Nov 3, 6:26 AM CDT, 3 hours 58 minutes before
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</html>Hazardous weather outlook, Nov 3, 3:21 AM CDT, 7 hours 3 minutes before
Hazardous Weather Outlook National Weather Service Austin/San Antonio TX 321 AM CDT Wed Nov 3 2021 TXZ171>173-183>194-202>209-217>225-228-040830- 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- 321 AM CDT Wed Nov 3 2021 This Hazardous Weather Outlook is for South-Central Texas.. .DAY ONE...Today And Tonight. Locally heavy rainfall of 1 to 2 inches is possible today into this evening. WPC has indicated a Marginal Risk of Excessive rainfall along and east of a Mountain Home to Sabinal to Carrizo Springs line. Due to lingering moist soils, cannot rule out some spots of urban and small stream flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 3, 10:07 AM CDT | Areal Flood Advisory | EWX | Kerr | 87 min |
| Nov 3, 2:13 PM CDT | Areal Flood Advisory | EWX | Bexar | 2 hr |
| Nov 3, 3:36 PM CDT | Special Weather Statement | EWX | Karnes | 39 min |
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.