Alert archive / Texas / Flash Flood Warnings in 2001

Flash Flood Warning 5, NWS Amarillo, TX

July 15, 2001Hutchinson County, Texas

NWS Amarillo, TX issued this flash flood warning at Jul 15, 2001, 8:24 PM CDT for Hutchinson County, Texas. It was in force for 111 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
Jul 15, 2001, 8:24 PM CDT (01:24 UTC)
Expired
Jul 15, 2001, 10:15 PM CDT
In force
111 min
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 01:27 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, 1.4 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 2001-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 295 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2001-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 km3 km6 km9 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
295 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
3464 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
28 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 160130 COR
FFWAMA

TXC233-160315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTION
NATIONAL WEATHER SERVICE AMARILLO TX
824 PM CDT SUN JUL 15 2001

CORRECTED TYPOGRAPHICAL ERROR

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 1015 PM CDT

* AT 824 PM CDT...WEATHER SERVICE RADAR INDICATED A LARGE AREA OF
  VERY HEAVY RAINFALL OVER MUCH OF HUTCHINSON COUNTY.  THE
  HUTCHINSON COUTNY EMERGENCY MANAGEMENT CENTER REPORTS THAT SOME
  FLOODING IS OCCURRING IN STINNETT.  THESE HEAVY RAINS ARE EXPECTED
  TO CONTINUE OVER NORTHEAST AND CENTRAL HUTCHINSON COUNTY AS THE
  STORMS MOVE NORTHEAST (AT 20 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...
  STINNETT AND PRINGLE

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

LAT...LON 3581 10161 3568 10112 3603 10110 3605 10153

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 Jul 15, 3:15 PM CDT, 5 hours 9 minutes earlier.

Area forecast discussion, Jul 15, 3:15 PM CDT, 5 hours 9 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
315 PM CDT SUN JUL 15 2001

SFC TEMPS IN 90S AND SFC DWPTS IN 60S ARE YIELDING SBCAPES 1600 TO
3400 ACRS FCST AREA.  CNVGNC IS STRONGEST OVR NWRN ZNS NR SFC TROF...
WITH ANOTHER ZONE OF EHHANCED CNVGNC OVR ERN ZNS.  LAPSE RATES ARE
NOT VERY STEEP.  WEAK SHTWV WL BE MOVG ACRS NWRN ZNS SOON.  WL KEEP
CHC POPS GOING FOR NWRN ZNS 1ST PD...WITH SLGT CHC ELSEWHERE.  ON
MON...SFC TROF BGNS MOVG SLOWLY EWD.  TEMPS EXPCD TO BE SLGTLY WMR
AS H5 HGTS BGN TO INCR.  LOW POPS WARRANTED MON THRU WED DUE TO
MARGINAL INSTBY AND WK CNVGNC.

EXTDD LOOKS TO BE VERY WM AND DRY AS H5 RDG RMNS OVR SRN U.S.  03

.A<MA...
TX...NONE.
OK...NONE.

COCKRELL

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.