Alert archive / Texas / Flash Flood Warnings in 2000
Flash Flood Warning 32, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Oct 20, 2000, 9:33 PM CDT for Fisher County, Texas. It was in force for 117 min. 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 20, 2000, 9:33 PM CDT (02:33 UTC)
- Expired
- Oct 20, 2000, 11:30 PM CDT
- In force
- 117 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Fisher County, TX
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 2.6 hours before the alert went out and 183 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
- 350 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1757 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 75 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 210239 FFWSJT TXC151-210430- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 933 PM CDT FRI OCT 20 2000 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * FLASH FLOOD WARNING FOR... FISHER COUNTY IN NORTHWEST TEXAS * UNTIL 1130 PM CDT * AT 933 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM 2 MILES NORTHWEST OF HOBBS TO 17 MILES SOUTHEAST OF ROTAN... DRIFTING SLOWLY NORTH. * THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE TO MOVE ACROSS HOBBS THROUGH 10 PM CDT. * RAINFALL TOTALING 1 TO 2 INCHES HAS FALLEN IN THE WARNED AREA...WITH ADDITIONAL RAINFALL OF UP TO 2 INCHES EXPECTED THROUGH 1130 PM CDT. 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 VEHIcCLES. LAT...LON 3280 10065 3268 10049 3293 10033 3293 10062
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 20, 2:49 PM CDT, 6 hours 44 minutes earlier.
Area forecast discussion, Oct 20, 2:49 PM CDT, 6 hours 44 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 249 PM CDT FRI OCT 20 2000 GOES WATER VAPOR IMAGERY SHOWS MID AND UPPER LEVEL SUBTROPICAL MOISTURE STREAMING INTO TX...AHEAD OF A DEEP UPPER LEVEL LOW OVER THE CENTRAL GULF OF CALIFORNIA. AFTER LOW AMPLITUDE SHORTWAVE RIDGING THIS EVENING...THE UPPER TROF IS EXPECTED TO EJECT ACROSS FAR WEST TX SATURDAY...WITH ESCALATING MID LEVEL ASCENT OVER WC TX. OVERALL...PREFER THE SLIGHTLY SLOWER AVN SOLUTION BASED ITS PRESENT VERIFICATION WITH WATER VAPOR IMAGERY AND THE ETA/S RECENT HISTORY OF BEING TOO PROGRESSIVE WITH SOUTHERN BRANCH SYSTEMS. POTENTIAL EXISTS FOR LOCALLY HEAVY RAIN OVER WC TX ON SATURDAY...WITH PRECIPITABLE WATER OF 1.25 TO 1.5 INCHES AND COUPLED 850 MB/200 MB JETS. NO FLASH FLOOD WATCH PLANNED AT THIS TIME...BUT WILL ISSUE SPECIAL WEATHER STATEMENT HIGHLIGHTING THE POSSIBILITY OF LOCALLY HEAVY RAIN ON SATURDAY. BETTER DYNAMICS SHIFT EAST OF WC TX SUNDAY...AS THE UPPER LOW EJECTS INTO THE CENTRAL PLAINS. PRECIP WATER VALUES OVER WC TX DECREASE SUNDAY...BUT STILL NEAR 1 INCH. WILL MAINTAIN CHANCE POPS SUNDAY... WITH BEST CHANCE OF RAIN EARLY IN THE DAY. WATER VAPOR CURRENTLY SHOWS A POTENTIALLY DEEPER UPPER TROF DIGGING OFF THE WEST COAST. THIS TROF IS PROGGED BY THE MRF TO BECOME POSITIVELY TILTED OVER THE SOUTHERN ROCKIES AND EJECT INTO THE SOUTHERN PLAINS LATE TUESDAY. THIS POINTS TOWARD A POSSIBLE DRYLINE THUNDERSTORM EVENT FOR WC TX...AND MAY RESULT IN DRIER LOW LEVELS FOR MOST OF WC TX ON WEDNESDAY AND THE LATTER HALF OF NEXT WEEK. WILL GENERALLY FOLLOW MAV/FWC TEMP GUIDANCE. PRELIMS... ABI 062/071/063/074 4754 SJT 063/072/063/074 4743 JCT 063/071/064/072 4754 .SJT...NONE. 14
In the hours before
Special weather statement, Oct 20, 4:07 PM CDT, 5 hours 26 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-210100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 407 PM CDT FRI OCT 20 2000 ...LOCALLY HEAVY RAINFALL POSSIBLE OVER WEST CENTRAL TEXAS ON SATURDAY... A STRONG UPPER LEVEL DISTURBANCE OVER NORTHWEST MEXICO FRIDAY EVENING WILL MOVE TO FAR WEST TEXAS BY LATE SATURDAY. THIS UPPER LEVEL DISTURBANCE WILL INTERACT WITH DEEP SUBTROPICAL MOISTURE TO PRODUCE A LIKELY CHANCE OF SHOWERS AND THUNDERSTORMS ON SATURDAY. SOME OF THESE SHOWERS AND THUNDERSTORMS MAY PRODUCE LOCALLY HEAVY RAINFALL. RAINFALL CHANCES OVER WEST CENTRAL TEXAS WILL DECREASE BY LATE SATURDAY NIGHT...AS 1THE UPPER LEVEL DISTURBANCE MOVES TO OKLAHOMA AND KANSAS. 14
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 20, 11:20 PM CDT | Flash Flood Warning | SJT | Fisher | 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.