Alert archive / Texas / Flood Watches in 2021
Flood Watch 1, NWS San Angelo, TX
NWS San Angelo, TX issued this flood watch at May 30, 2021, 2:43 PM CDT for 13 counties in Texas. It took effect at May 31, 2021, 4:00 AM CDT. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- May 30, 2021, 2:43 PM CDT (19:43 UTC)
- In effect from
- May 31, 2021, 4:00 AM CDT
- Expired
- Jun 1, 2021, 4:21 AM CDT
- In force
- 24 hr
- Issued by
- NWS San Angelo, TX
- Flood severity
- None
Counties Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Fisher County, TX, Haskell County, TX, Jones County, TX, Nolan County, TX, Runnels County, TX, Shackelford County, TX, Sterling County, TX, Taylor County, TX, Throckmorton County, TX
The radar
The Dyess AFB radar (KDYX), 61 km from the middle of the area, began a volume at 19:42 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
Midland Regional, TX (KMAF), launched 12:00Z, 7.7 hours before the alert went out and 224 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
- 122 J/kg
- Mixed-layer CIN
- -428 J/kg
- Mixed-layer LCL
- 814 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -69 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before this flood watch went out at May 30, 2:27 PM CDT, 16 minutes earlier.
Area forecast discussion, May 30, 2:27 PM CDT, 16 minutes before
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</html>Hazardous weather outlook, May 30, 2:41 PM CDT, 2 minutes before
Hazardous Weather Outlook National Weather Service San Angelo TX 241 PM CDT Sun May 30 2021 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-311945- Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Concho- Crockett-Schleicher-Sutton-Haskell-Throckmorton-Jones-Shackelford- Taylor-Callahan-Coleman-Brown-McCulloch-San Saba-Menard-Kimble- Mason- 241 PM CDT Sun May 30 2021 This Hazardous Weather Outlook is for portions of west central Texas. .DAY ONE...This Afternoon and Tonight May see an isolated strong to severe thunderstorm this evening but the main threat for strong thunderstorms will be overnight tonight bringing the potential for localized flooding to much of the area, especially the Big Country. .DAYS TWO THROUGH SEVEN...Monday through Saturday Strong to severe thunderstorms will once again be possible Monday afternoon and evening across the area. Damaging winds, large hail, and dangerous lightning will be the main hazards. Heavy rainfall is also likely with these storms which looks to be a concern and may lead to localized flooding, especially in areas where soils are already saturated. The unsettled pattern continues into Tuesday with chances for rain and thunderstorms. This will continue to threat of localized flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight
Nearby
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.