Alert archive / Texas / Flash Flood Warnings in 2000
Flash Flood Warning 40, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Oct 23, 2000, 10:37 PM CDT for Irion County, Texas. It was in force for 3 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
- Oct 23, 2000, 10:37 PM CDT (03:37 UTC)
- Expired
- Oct 24, 2000, 1:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Irion County, TX
The radar
The San Angelo radar (KSJT), 52 km from the middle of the area, began a volume at 03:37 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 00:00Z, 3.6 hours before the alert went out and 128 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1524 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KSJT 240340 FFWSJT TXC235-240630- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 1037 PM CDT MON OCT 23 2000 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * FLASH FLOOD WARNING FOR... IRION COUNTY IN WEST CENTRAL TEXAS * UNTIL 130 AM CDT * AT 1032 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN 17 MILES NORTHWEST OF MERTZON...MOVING NORTHEAST AT 35 MPH. * RAINFALL TOTALING UP TO ONE INCH HAS FALLEN IN THE WARNED AREA...WITH ADDITIONAL RAINFALL UP TO 2 INCHES EXPECTED THROUGH 130 AM CDT. THE HEAVY RAIN WILL CAUSE FLOODING OF STREAMS AND LOW WATER CROSSINGS...ESPECIALLY RANCH ROAD 853. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. DO NOT ATTEMPT TO DRIVE AROUND BARRICADES. MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES. BE ESPECIALLY CAUTIOUS AT NIGHT, WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. LAT...LON 3151 10127 3110 10126 3111 10071 3152 10070
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 23, 9:13 PM CDT, 1 hour 24 minutes earlier.
Area forecast discussion, Oct 23, 9:13 PM CDT, 1 hour 24 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
913 PM CDT MON OCT 23 2000
THE REGIONAL RADAR LOOP SHOWS AN MCS EXTENDING FROM MIDLAND TO EAST OF
SANDERSON AND WAS MOVING EAST. DUE TO THE SUBTROPICAL AIRMASS IN PLACE...
THIS THUNDERSTORM COMPLEX WILL BE A VERY EFFICIENT RAINFALL PRODUCER.
WITH THE ALREADY SATURATED GROUND... ANY ADDITIONAL RAINFALL FROM THIS
SYSTEM COULD CAUSE FLASH FLOODING... AS WELL AS AGGRAVATE THE EXISTING
FLOODING IN OUR SRN ZONES. AS A RESULT... UPDATED THE FFA TO INCLUDE THE
CONCHO VALLEY.
.SJT...FLASH FLOOD WATCH TONIGHT FOR NORTHERN EDWARDS PLATEAU...
NORTHWEST HILL COUNTRY AND CONCHO VALLEY.
TEWThe office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 23, 7:14 PM CDT | Flash Flood Warning | SJT | San Saba | 3 hr |
| Oct 23, 9:18 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 42 min |
| Oct 23, 10:53 PM CDT | Flash Flood Warning | SJT | Sterling | 3 hr |
| Oct 23, 11:57 PM CDT | Flash Flood Warning | SJT | Coke | 3 hr |
| Oct 24, 12:43 AM CDT | Flash Flood Warning | SJT | Tom Green | 3 hr |
| Oct 24, 12:54 AM CDT | Tornado Warning | SJT | Crockett | 66 min |
| Oct 24, 2:34 AM CDT | Flash Flood Warning | SJT | Taylor | 3 hr |
| Oct 24, 3:41 AM CDT | Flash Flood Warning | SJT | Crockett | 3 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.