Alert archive / Texas / Flash Flood Warnings in 2001
Flash Flood Warning 1, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at May 3, 2001, 7:46 PM CDT for Donley 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
- May 3, 2001, 7:46 PM CDT (00:46 UTC)
- Expired
- May 3, 2001, 11:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Donley County, TX
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 0.8 hours before the alert went out and 85 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
- 20 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 513 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 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 KAMA 040046 FFWAMA TXC129-040400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AMARILLO TX 746 PM CDT THU MAY 3 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... DONLEY COUNTY IN THE TEXAS PANHANDLE * UNTIL 1100 PM CDT * AT 745 PM CDT...WEATHER SERVICE RADAR INDICATED VERY HEAVY RAINFALL WAS OCCURRING ACROSS MUCH OF DONLEY COUNTY. THUNDERSTORMS WITH HEAVY RAINFALL WILL CONTINUE TO MOVE ACROSS THE COUNTY OVER THE NEXT FEW HOURS. THIS WILL RESULT IN FLOODING OF ROADWAYS AND WILL CAUSE STREAMS TO RISE OUT OF THEIR BANKS. DO NOT DRIVE ACROSS FLOODED ROADWAYS. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMIBILES. LAT...LON 3476 10098 3476 10076 3517 10058 3518 10090
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 Amarillo, TX wrote its last area forecast discussion before this flash flood warning went out at May 3, 4:05 PM CDT, 3 hours 41 minutes earlier.
Area forecast discussion, May 3, 4:05 PM CDT, 3 hours 41 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 405 PM CDT THU MAY 3 2001 UPR LVL LOW ROTATING OVER SRN UT THIS AFTN WITH LITTLE MVMT EXPECTD DURING THE NEXT 18 TO 24 HRS. DOWNSTREAM SHORTWAVE RIDGING UNDERWAY OVER THE SRN PLAINS. STATIONARY FRONT EXTENDS FROM JUST EAST OF BEAVER SWWD TO NEAR CLAUDE TO SOUTH OF MULESHOE. WITH RIGHT-MVG SUPERCELL TRACKING EAST JUST S OF CWA. DRYLINE FAR SW OF TX PNHDL IN XTRM SERN NM AND FAR W TX. NOW THAT AVN HAS CAUGHT UP WITH ETA WRT TO LOW LVL FEATURES...HAVE BASED MUCH OF THIS FCST PACKAGE ON AVN. ETA CONTINUES TO BE TOO PROGRESSIVE WITH MVT OF GREAT BASIN UPR LOW WHILE NGM IS TOO FAR NORTH WITH LOW LEVEL FEATURES. WIDESPREAD SHRA/TSRA ON TAP FOR TONIGHT AS WARM MOIST AIR ADV PATTERN AND UPR LVL DIFFLUENCE STRENGTHENS. STATIONARY FRONT WILL GRADUALLY LIFT BACK NORTH AS A WARM FRONT DURING THE OVERNIGHT HOURS. IN FACT...LOCALLY HVY RAIN A REAL POSSIBILITY DUE TO TRAINING OF CELLS...PARTICULARLY ALONG AND NEAR WARM FRONT. MORE ACTIVE WX WILL BE POSSIBLE FRI AFTN AND FRI NIGHT AS UPR LVL LOW BEGINS TO LIFT NE TOWARDS THE CNTRL PLAINS AND MAIN ENERGY ROTATES NE ACROSS THE PNHDLS. CONVECTION LIKELY TO INITIATE ALONG THE DRYLINE LATE FRI AFTN ACROSS ERN NM. STORMS EXPECTED MOVE EAST AND EVOLVE INTO A SQUALL LINE. DESPITE LOW LVL DRY AIR ADVECTING ACROSS THE AREA ON SAT...DECIDED TO RETAIN LOW CHANCE POPS AS STEEP LAPSE RATES AND WRAP AROUND MID LEVEL MOISTURE WILL BE FAVORABLE FOR VIRGA TYPE CONVECTION. WENT AHEAD AND INTRODUCED A SLIGHT CHANCE OF POPS IN FOR SUN AND MON DUE TO WEAK IMPULSE MOVG SE IN NWRLY FLOW AND INTERACTING WITH NEXT COLD FRONT TO PUSH ACROSS THE AREA. DRY FOR WED AND THU. .AMA... TX...NONE. OK...NONE. JH
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 10:40 PM CDT | Flash Flood Warning | AMA | Armstrong, Donley | 4 hr |
| May 3, 11:17 PM CDT | Flash Flood Warning | AMA | Gray, Wheeler | 4 hr |
Nearby
Flash Flood Warnings in Texas, 2001Every flash flood warning in 2001
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.