Alert archive / Texas / Flash Flood Warnings in 2000
Flash Flood Warning 79, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Nov 5, 2000, 5:10 PM CST for Llano 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Nov 5, 2000, 5:10 PM CST (23:10 UTC)
- Expired
- Nov 5, 2000, 10:00 PM CST
- In force
- 5 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Llano County, TX
The radar
The Austin/San Antonio radar (KEWX), 128 km from the middle of the area, began a volume at 23:11 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, 11.2 hours before the alert went out and 248 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
- 264 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 052311 FFWEWX TXC299-060400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 510 PM CST SUN NOV 5 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... LLANO COUNTY * UNTIL 10 PM CST * AT 510 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS WITH VERY HEAVY RAIN MOVING EASTWARD ACROSS LLANO COUNTY. THESE HEAVY RAINS WILL CAUSE FLOODING OF LOWLYING AREAS AND ROADWAYS AND CAUSE SOME STREAMS TO SWELL OUT OF THERE BANKS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...%RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. LAT...LON 3052 9895 3053 9842 3091 9847 3091 9895
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 5, 12:56 PM CST | Flash Flood Warning | EWX | Val Verde | 4 hr |
| Nov 5, 3:08 PM CST | Flash Flood Warning | EWX | Edwards, Kinney | 4 hr |
| Nov 5, 3:32 PM CST | Flash Flood Warning | EWX | Edwards, Real | 3 hr |
| Nov 5, 4:10 PM CST | Flash Flood Warning | EWX | Kerr | 5 hr |
| Nov 5, 4:44 PM CST | Flash Flood Warning | EWX | Bandera, Uvalde | 4 hr |
| Nov 5, 4:51 PM CST | Flash Flood Warning | EWX | Gillespie | 4 hr |
| Nov 5, 5:35 PM CST | Flash Flood Warning | EWX | Medina | 4 hr |
| Nov 5, 5:45 PM CST | Flash Flood Warning | EWX | Blanco, Burnet, Kendall | 4 hr |
Nearby
Flash Flood Warnings in Texas, 2000Every flash flood warning in 2000
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.