Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 14, NWS Amarillo, TX

October 23, 2000Hutchinson County, Texas

NWS Amarillo, TX issued this flash flood warning at Oct 23, 2000, 9:40 PM CDT for Hutchinson 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, 9:40 PM CDT (02:40 UTC)
Expired
Oct 24, 2000, 12:30 AM CDT
In force
3 hr
Issued by
NWS Amarillo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Hutchinson County, TX

The radar

The Amarillo radar (KAMA), 77 km from the middle of the area, began a volume at 02:43 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, 2.7 hours before the alert went out and 77 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.

Skew-T log-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2000-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 606 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2000-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 km3 km6 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
606 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
545 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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KAMA 240240
FFWAMA
TXC233-240530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
940 PM CDT MON OCT 23 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HUTCHINSON COUNTY IN THE TEXAS PANHANDLE

* UNTIL 1230 AM CDT

* AT 936 PM CDT...WEATHER SERVICE RADAR INDICATED HEAVY RAINFALL
  OCCURRING OVER MUCH OF HUTCHINSON COUNTY. THE SHERIFFS OFFICE REPORTS THAT
  F.M. ROAD 2171 WAS FLOODED EAST OF BORGER...AT A LOCATION 3/4 MILE OFF
  HIGHWAY 152.

* SOME LOCATIONS AFFECTED INCLUDE...
  STINNETT...SANFORD...PRINGLE AND BORGER

DO NOT DRIVE ACROSS FLOODED ROADWAYS. MOST FLASH FLOOD DEATHS OCCUR
IN AUTOMIBILES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE FLOOD
DANGERS. DO NOT DRIVE INTO FLOODED AREAS.

LAT...LON 3604 10161 3564 10161 3565 10111 3603 10111

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 Oct 23, 9:15 PM CDT, 25 minutes earlier.

Area forecast discussion, Oct 23, 9:15 PM CDT, 25 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
915 PM CDT MON OCT 23 2000

EXPANDED FLASH FLOOD WATCH 30 SM EWD ACRS TX PNHDL...NOW INCLUDING
WRN 2/3 OF TX AND OK PNHDLS.  WATER VAPOR INDCS SHTWV APCHG WRN
ZNS...SO ADDITIONAL CNVTN IS EXPCD TNGT...IN SPITE OF TEMPORARY
CLRG OCRG ATTM JUST W OF AMA.  BROKEN LINE OF TSTMS RUNNING N-S OVR
TX PNHDL (E OF AMA) HAS BEEN SLOW TO MOV...AND THIS WAS RATIONALE
FOR EXTDG FFA EWD.  ISSUED UPDT TO ZONES ERYR WHICH ALSO INCLUDED
1ST PD ADJUSTMENT TO WNDS AND TEMPS ACRS NRN ZNS.  NO CHANGES TO
LATER PDS.  03

.AMA...
TX...FLASH FLOOD WATCH ZONES 1 2 3 6 7 8 11 12 13 16 17 18.
OK...FLASH FLOOD WATCH ZONES 1 2.

COCKRELL

In the hours before

Local storm report, Oct 23, 5:39 PM CDT, 4 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
539 PM CDT MON OCT 23 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0210 PM    5 SE AMARILLO             TX   TORNADO
10/23/00   RANDALL                        DAMAGE TO BARN REPORTED BY
                                          AMA EOC

0230 PM    4 E  AMARILLO             TX   TORNADO
10/23/00   POTTER                         BRIEF TOUCHDOWN SEEN BY
                                          NWS EMPLOYEES

0315 PM    BOOTLEG                   TX   1.50 INCH HAIL
10/23/00   DEAF SMITH                     REPORTED BY FIRE DEPT

JW
Local storm report, Oct 23, 9:30 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
930 PM CDT MON OCT 23 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0210 PM    5 SE AMARILLO             TX   TORNADO
10/23/00   RANDALL                        DAMAGE TO BARN REPORTED BY
                                          AMA EOC

0230 PM    4 E  AMARILLO             TX   TORNADO
10/23/00   POTTER                         BRIEF TOUCHDOWN SEEN BY
                                          NWS EMPLOYEES

0315 PM    BOOTLEG                   TX   1.50 INCH HAIL
10/23/00   DEAF SMITH                     REPORTED BY FIRE DEPT

0645 PM    VEGA                      TX   FLOOD
10/23/00   OLDHAM                         .5 MILES EAST OF INTERSECTION
                                          385 AND 101. WATER OVER ROAD.
                                          REPORTED BY OLDHAM COUNTY SO.

0729 PM    VEGA                      TX   FLOOD
10/23/00   OLDHAM                         SERVICE ROAD AT MILE MARKER 23
                                          SOUTH OF I-40 IS UNDER WATER.
                                          R:EPORTED BY OLDHAM COUNTY SO.

JW/CL

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.