Alert archive / Texas / Flash Flood Warnings in 2020
Flash Flood Warning 25, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at Sep 3, 2020, 7:21 AM CDT for Lampasas County, Texas. It was in force for 5 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
- Sep 3, 2020, 7:21 AM CDT (12:21 UTC)
- Expired
- Sep 3, 2020, 12:30 PM CDT
- In force
- 5 hr
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Lampasas County, TX
The radar
The Ft Hood radar (KGRK), 97 km from the middle of the area, began a volume at 12:24 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
Del Rio, TX (KDRT), launched 12:00Z, 0.4 hours before the alert went out and 322 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
- 1520 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
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 Fort Worth, TX wrote its last area forecast discussion before this flash flood warning went out at Sep 2, 2:24 PM CDT, 16 hours 57 minutes earlier.
Area forecast discussion, Sep 2, 2:24 PM CDT, 16 hours 57 minutes before
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</html>Hazardous weather outlook, Sep 2, 3:18 PM CDT, 16 hours 3 minutes before
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</html>The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 3:24 AM CDT | Areal Flood Advisory | FWD | Falls, Limestone | 3 hr |
| Sep 3, 3:43 AM CDT | Special Weather Statement | FWD | Limestone | 32 min |
| Sep 3, 4:22 AM CDT | Flash Flood Warning | FWD | Limestone | 3 hr |
| Sep 3, 5:03 AM CDT | Areal Flood Advisory | FWD | Henderson | 3 hr |
| Sep 3, 5:27 AM CDT | Areal Flood Advisory | FWD | Comanche, Hamilton | 3 hr |
| Sep 3, 6:16 AM CDT | Areal Flood Advisory | FWD | Coryell, Lampasas | 2 hr |
| Sep 3, 6:19 AM CDT | Special Weather Statement | FWD | Lampasas | 41 min |
| Sep 3, 6:29 AM CDT | Areal Flood Advisory | FWD | Freestone, Leon | 3 hr |
| Sep 3, 7:28 AM CDT | Areal Flood Advisory | FWD | Limestone | 2 hr |
| Sep 3, 8:11 AM CDT | Areal Flood Advisory | FWD | Falls, Freestone, Hill, Limestone, McLennan, Navarro | 3 hr |
| Sep 3, 8:50 AM CDT | Flash Flood Warning | FWD | Mills | 115 min |
| Sep 3, 12:32 PM CDT | Areal Flood Warning | FWD | Lampasas | 3 hr |
| Sep 3, 2:43 PM CDT | River Flood Warning | FWD | Limestone | 42 hr |
Nearby
Flash Flood Warnings in Texas, 2020Every flash flood warning in 2020
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.