Alert archive / Texas / Flash Flood Warnings in 2023

Flash Flood Warning 42, NWS San Angelo, TX

October 26, 2023Kimble County, Texas

NWS San Angelo, TX issued this flash flood warning at Oct 26, 2023, 2:26 AM CDT for Kimble County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 26, 2023, 2:26 AM CDT (07:26 UTC)
Expired: Oct 26, 2023, 6:30 AM CDT
In force: 4 hr
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

County Kimble County, TX

The radar

The San Angelo radar (KSJT), 121 km from the middle of the area, began a volume at 07:29 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, 7.4 hours before the alert went out and 163 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 854 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 797 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 flash flood warning went out at Oct 25, 6:29 PM CDT, 7 hours 57 minutes earlier.

Area forecast discussion, Oct 25, 6:29 PM CDT, 7 hours 57 minutes before

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Hazardous weather outlook, Oct 25, 2:33 PM CDT, 11 hours 53 minutes before

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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 25, 7:33 PM CDT	Areal Flood Advisory	SJT	Brown, Coleman, Kimble, McCulloch, Mason, Menard and 1 more	117 min
Oct 25, 9:23 PM CDT	Areal Flood Advisory	SJT	Brown, Kimble, McCulloch, Mason, Menard, San Saba	112 min
Oct 25, 11:24 PM CDT	Areal Flood Advisory	SJT	Kimble, Mason, San Saba	3 hr
Oct 26, 1:00 AM CDT	Areal Flood Advisory	SJT	Kimble, Mason, Menard, Sutton	3 hr
Oct 26, 2:35 AM CDT	Areal Flood Advisory	SJT	Kimble, Mason, San Saba	3 hr
Oct 26, 8:39 AM CDT	Areal Flood Warning	SJT	Kimble	5 hr
Oct 26, 10:41 AM CDT	Areal Flood Warning	SJT	Kimble	6 hr

Nearby

Flash Flood Warnings in Texas, 2023 Every flash flood warning in 2023

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.