Alert archive / Texas / Flash Flood Warnings in 2001
Flash Flood Warning 4, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Jun 20, 2001, 8:02 PM CDT for Deaf Smith County, Texas. It was in force for 118 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
- Jun 20, 2001, 8:02 PM CDT (01:02 UTC)
- Expired
- Jun 20, 2001, 10:00 PM CDT
- In force
- 118 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Deaf Smith County, TX
The radar
The Amarillo radar (KAMA), 68 km from the middle of the area, began a volume at 01:06 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
Amarillo Airport, TX (KAMA), launched 00:00Z, 1.0 hours before the alert went out and 68 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
- 1103 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 2356 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -70 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KAMA 210112 COR FFWAMA TXC117-210300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING...CORRECTION NATIONAL WEATHER SERVICE AMARILLO TX 802 PM CDT WED JUN 20 2001 CORRECTED TYPOGRAPHICAL ERROR THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... DEAF SMITH COUNTY IN THE TEXAS PANHANDLE * UNTIL 1000 PM CDT * AT 802 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAINFALL WAS OCCURRING 11 MILES NORTH OF HEREFORD...MOVING SOUTH AT 15 MPH. * SOME LOCATIONS AFFECTED INCLUDE... SIMMS...HEREFORD AND DAWN DO NOT DRIVE ACROSS FLOODED ROADWAYS. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. LAT...LON 3518 10220 3517 10268 3478 10275 3476 10219
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 Jun 20, 3:15 PM CDT, 4 hours 47 minutes earlier.
Area forecast discussion, Jun 20, 3:15 PM CDT, 4 hours 47 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 315 PM CDT WED JUN 20 2001 FRONTAL BNDRY HAS ONCE AGAIN MOVD ACRS AMA...MOST RECENTLY AS A WMFNT. WMFNT EXTDS FM SWRN TX PNHDL TO NWRN OK. EXPC THIS BNDRY TO BCM SHARPER WITH CNVGN INCRG UPON IT DURG THE NGT AS IT MOVS FARTHER NWD TO NRN SXNS OF FCST AREA...AND THEN BGNS SURGING SWD AS A CDFNT BFR SR. CNVGNC...DEEP UPSLP COMPONENT INCRG...SFC DWPTS POOLING ON N SIDE OF FNT ALL POINT TWD GOOD OPPORTUNITY FOR TSTMS ACRS PNHDLS TNGT. UPR LVL DVGNC WL BE STRONGEST ACRS NRN ZNS AS H5 VOT MAX DROPS SEWD ACRS AREA. THICKNESS DIFFLUENCE BEING FCST INDCS ADDED POTENTIAL FOR ORGANIZED TSTMS SUPPORTED BY WAA. H8 CDFNT WL MOV SWD ACRS PNHDLS BTN 04Z AND 12Z...WITH ADDITIONAL CNVGNC ALG IT. HVY RAINS TNGT PSBL ACRS NERN ZNS IF MCS DVLPS OVR ERN CO AND MOVS SEWD. NMRS TSTMS FCST TNGT IN NERN ZNS WITH SCT TSTMS FCST ELSEWHERE. ON THU...CLDS WL LINGER OVR SRN ZNS DURG MRNG AS UPSLP FLOW PVLS. GREATEST INSTBY WL BE OVR WRN AND SRN ZNS IN AREA MOST REMOVED FM INCOMING SFC RDG BHND CDNFT. WL KEEP SLGT CHC TSTMS IN WRN ZNS THU AFTN AND EVE...AND WL REMOVE FM OTHER SXNS. SLY FLOW RESUMES ON FRI WITH WARMUP BGNG. INSTBY RETURNS AND WL RETAIN SLGT CHC TSTMS FRI AND FRI NGT. DURG EXTDD...NO MAJOR DEPARTURE FM PREVIOUS FCST. WM CONDS WITH RESIDUAL LOW-LVL MSTR WITH SLGT CHC DIURNAL TSTMS. 03 .AMA... TX...NONE. O?K...NONE. COCKRELL
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:44 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith | 61 min |
| Jun 20, 8:26 PM CDT | Severe Thunderstorm Warning | AMA | Hutchinson | 34 min |
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; radar from the NEXRAD Level II archive.